1
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Fuse S, Kanda S, Masui H. One-Flow Synthesis of Substituted Indoles via Sequential 1,2-Addition/Nucleophilic Substitution of Indolyl-3-Carbaldehydes. Chem Asian J 2024; 19:e202300909. [PMID: 37962410 DOI: 10.1002/asia.202300909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 11/15/2023]
Abstract
Substituted indoles are important as drugs. A number of valuable indoles have been synthesized via nucleophilic substitution at the 3'-position of indoles. However, the preparation of an indolylmethyl electrophile containing a tertiary carbon at the 3'-position and its subsequent nucleophilic substitution are challenging owing to the instability of the electrophile. Herein, we demonstrated the rapid one-flow synthesis of indoles via sequential 1,2-addition/nucleophilic substitution of indolyl-3-carbaldehydes. The use of a microflow technology helped in suppressing the undesired reactions caused by the unstable intermediates, resulting in significantly higher yields and reproducibility compared to those under batch conditions. A crown ether was effective when 1-alkylindole-3-carboxaldehyde was used as a substrate. However, the crown ether exerted a detrimental effect when 1H-indole-3-carboxaldehyde was used. A total of 15 structurally diverse indole derivatives were obtained in generally acceptable to good yields.
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Affiliation(s)
- Shinichiro Fuse
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Sena Kanda
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Hisashi Masui
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
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2
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Singh Chauhan AN, Mali G, Dua G, Samant P, Kumar A, Erande RD. [RhCp*Cl 2] 2-Catalyzed Indole Functionalization: Synthesis of Bioinspired Indole-Fused Polycycles. ACS OMEGA 2023; 8:27894-27919. [PMID: 37576617 PMCID: PMC10413382 DOI: 10.1021/acsomega.3c02510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/11/2023] [Indexed: 08/15/2023]
Abstract
Polycyclic fused indoles are ubiquitous in natural products and pharmaceuticals due to their immense structural diversity and biological inference, making them suitable for charting broader chemical space. Indole-based polycycles continue to be fascinating as well as challenging targets for synthetic fabrication because of their characteristic structural frameworks possessing biologically intriguing compounds of both natural and synthetic origin. As a result, an assortment of new chemical processes and catalytic routes has been established to provide unified access to these skeletons in a very efficient and selective manner. Transition-metal-catalyzed processes, in particular from rhodium(III), are widely used in synthetic endeavors to increase molecular complexity efficiently. In recent years, this has resulted in significant progress in reaching molecular scaffolds with enormous biological activity based on core indole skeletons. Additionally, Rh(III)-catalyzed direct C-H functionalization and benzannulation protocols of indole moieties were one of the most alluring synthetic techniques to generate indole-fused polycyclic molecules efficiently. This review sheds light on recent developments toward synthesizing fused indoles by cascade annulation methods using Rh(III)-[RhCp*Cl2]2-catalyzed pathways, which align with the comprehensive and sophisticated developments in the field of Rh(III)-catalyzed indole functionalization. Here, we looked at a few intriguing cascade-based synthetic designs catalyzed by Rh(III) that produced elaborate frameworks inspired by indole bioactivity. The review also strongly emphasizes mechanistic insights for reaching 1-2, 2-3, and 3-4-fused indole systems, focusing on Rh(III)-catalyzed routes. With an emphasis on synthetic efficiency and product diversity, synthetic methods of chosen polycyclic carbocycles and heterocycles with at least three fused, bridged, or spiro cages are reviewed. The newly created synthesis concepts or toolkits for accessing diazepine, indol-ones, carbazoles, and benzo-indoles, as well as illustrative privileged synthetic techniques, are included in the featured collection.
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Affiliation(s)
| | - Ghanshyam Mali
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
| | - Garima Dua
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
| | - Priya Samant
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
| | - Akhilesh Kumar
- Department
of Chemistry and Nano Science, Ewha Womans
University, Seoul 03760, Korea
| | - Rohan D. Erande
- Department
of Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, India
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3
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Tian Y, He D, Gao L, Zou Y, Liu X, Wang Q, Liang E, Zheng Y. Regioselective Reaction of 2-Indolylmethanols with Enamides. Molecules 2023; 28:molecules28083341. [PMID: 37110576 PMCID: PMC10140953 DOI: 10.3390/molecules28083341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/08/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
A highly regioselective reaction of 2-indolylmethanols with enamides has been developed at room temperature by using AlCl3 as a catalyst. A wide range of hybrids (40 examples) of indoles and enamides were obtained in moderate to good yields (up to 98% yield). This transformation represents the efficient way to introduce biologically important indoles and enamides skeleton into structurally complex hybrids.
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Affiliation(s)
- Yuting Tian
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Dongqing He
- Department of Chemistry and Chemical Engineering, Institute of Science and Technology, Yueyang 414000, China
| | - Limei Gao
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Yu Zou
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Xiaoshuang Liu
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Qiang Wang
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Enxiang Liang
- Department of Chemistry and Chemical Engineering, Institute of Science and Technology, Yueyang 414000, China
| | - Yongsheng Zheng
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
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4
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Masui H, Kanda S, Fuse S. Verification of preparations of (1H-indol-3-yl)methyl electrophiles and development of their microflow rapid generation and substitution. Commun Chem 2023; 6:47. [PMID: 36871078 PMCID: PMC9985609 DOI: 10.1038/s42004-023-00837-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 02/09/2023] [Indexed: 03/06/2023] Open
Abstract
Although highly reactive (1H-indol-3-yl)methyl electrophiles such as (1H-indol-3-yl)methyl halides are potential precursors for the synthesis of various indole derivatives, some researchers have reported difficulties in their preparation due to concomitant undesired dimerization/oligomerization. Nevertheless, there have been some reports on the preparation of (1H-indol-3-yl)methyl halides. To resolve this contradiction, all the previously reported preparations of (1H-indol-3-yl)methyl halides were examined. However, we could not reproduce any of these preparations, and we revised several structures of indole derivatives. Here we show the rapid (0.02 s) and mild (25 °C) generation of an (1H-indol-3-yl)methyl electrophile that enables the rapid (0.1 s) and mild (25 °C) nucleophilic substitution in a microflow reactor. Eighteen unprotected indole analogues can be successfully synthesized using the developed microflow nucleophilic substitution with various nucleophiles.
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Affiliation(s)
- Hisashi Masui
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.
| | - Sena Kanda
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Shinichiro Fuse
- Department of Basic Medicinal Sciences, Graduate School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.
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5
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Nagtilak PJ, Mane MV, Prasad S, Cavallo L, Tantillo DJ, Kapur M. Merging Rh-Catalyzed C-H Functionalization and Cascade Cyclization to Enable Propargylic Alcohols as Three-Carbon Synthons. Chemistry 2023; 29:e202203055. [PMID: 36197081 DOI: 10.1002/chem.202203055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Indexed: 11/07/2022]
Abstract
Reported herein is a reactivity of propargyl alcohols as "Three-Carbon Synthons" in a Rh(III)-catalyzed C-H functionalization of acetanilides, leading to the synthesis of core structures of isocryptolepine, γ-carbolines, dihydrochromeno[2,3-b]indoles, and diindolylmethanes (DIM) derivatives. The transformation involves a rhodium(III)-catalyzed C-H functionalization and heteroannulation to yield indoles followed by a cascade cyclization with both external and internal nucleophiles to afford diverse products. The role of the hydroxy group, the key function of the silver additive, the origin of the reverse regioselectivity and the rate-determining step, are rationalized in conformity with the combination of experimental, noncovalent interaction analysis and DFT studies. This protocol is endowed with several salient features, including one-pot multistep cascade approach, exclusive regioselectivity, good functional group tolerance and synthesis of variety of molecular frameworks.
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Affiliation(s)
- Prajyot Jayadev Nagtilak
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, 462066, Madhya Pradesh, India
| | - Manoj V Mane
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.,Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bangalore, Karnatak, 562112, India
| | - Supreeth Prasad
- Department of Chemistry, University of California-Davis, Davis, California, 95616, USA
| | - Luigi Cavallo
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Dean J Tantillo
- Department of Chemistry, University of California-Davis, Davis, California, 95616, USA
| | - Manmohan Kapur
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal, 462066, Madhya Pradesh, India
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6
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Chigumbu P, Fu J, Takia IRT, Wang Y, Han X. Friedel-Crafts Benzylation of Unprotected Anilines with Indole-3-
carbinols to Access Trifluoro-methyl(indolyl)phenylmethanes. LETT ORG CHEM 2022. [DOI: 10.2174/1570178618666210225114226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
An unprecedented protocol for the efficient and highly chemoselective alkylation of unprotected anilines with deactivated CF3-indole-3-carbinols promoted by In(OTf)3 has been developed. A series of diversified trifluoromethylated (indolyl)phenylmethanes were produced featuring the C-alkylation in moderate to high chemical yields and with high regioselectivities.
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Affiliation(s)
- Paidamoyo Chigumbu
- Provincial Key Laboratory for Chemical & Biological Processing, Technology of Farm Products, School of Biological
and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang, China, 310023
| | - Junfeng Fu
- Provincial Key Laboratory for Chemical & Biological Processing, Technology of Farm Products, School of Biological
and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang, China, 310023
| | - Ingrid Rakielle Tsapy Takia
- Provincial Key Laboratory for Chemical & Biological Processing, Technology of Farm Products, School of Biological
and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang, China, 310023
| | - Yongjiang Wang
- Provincial Key Laboratory for Chemical & Biological Processing, Technology of Farm Products, School of Biological
and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang, China, 310023
| | - Xiaoyu Han
- Provincial Key Laboratory for Chemical & Biological Processing, Technology of Farm Products, School of Biological
and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang, China, 310023
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7
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Singh S, Mahato R, Sharma P, Yadav N, Vodnala N, Kumar Hazra C. Development of Transition-Metal-Free Lewis Acid-Initiated Double Arylation of Aldehyde: A Facile Approach Towards the Total Synthesis of Anti-Breast-Cancer Agent. Chemistry 2022; 28:e202104545. [PMID: 35060647 DOI: 10.1002/chem.202104545] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Indexed: 12/21/2022]
Abstract
This work describes a mild and robust double hydroarylation strategy for the synthesis of symmetrical /unsymmetrical diaryl- and triarylmethanes in excellent yields using Lambert salt (0.2-1.0 mol%). Despite the anticipated challenges associated with controlling selective product formation, unsymmetrical diaryl- and triarylmethanes products are obtained unprecedentedly. A highly efficient gram scale reaction has also been reported (TON for symmetrical product=475 and for unsymmetrical product=390). The synthetic utility of the methodology is demonstrated by the preparation of several unexplored diaryl- and triarylmethane-based biologically relevant molecules, such as arundine, vibrindole A, turbomycin B, and certain anti-inflammatory agents. A total synthesis of an anti-breast-cancer agent is also demonstrated. Control experiments, Hammett analysis, HRMS and GC-MS studies reveal the reaction intermediates and reaction mechanism.
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Affiliation(s)
- Sanjay Singh
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Rina Mahato
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Pragya Sharma
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Naveen Yadav
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Nagaraju Vodnala
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Chinmoy Kumar Hazra
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
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8
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Zhong Y, Hong G, Tang Z, Yang P, Wang Q, Gong Y, Wang L. PFOA‐Catalyzed Regioselective Alkylation of Indolylmethanols with 2‐Alkylazaarenes**. ChemistrySelect 2022. [DOI: 10.1002/slct.202200218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yi Zhong
- Key Laboratory for Advanced Materials Institute of Fine Chemicals and School of Chemistry & Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Gang Hong
- Key Laboratory for Advanced Materials Institute of Fine Chemicals and School of Chemistry & Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Zhicong Tang
- Key Laboratory for Advanced Materials Institute of Fine Chemicals and School of Chemistry & Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Peng Yang
- Key Laboratory for Advanced Materials Institute of Fine Chemicals and School of Chemistry & Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Qi Wang
- Key Laboratory for Advanced Materials Institute of Fine Chemicals and School of Chemistry & Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Yu Gong
- Key Laboratory for Advanced Materials Institute of Fine Chemicals and School of Chemistry & Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Limin Wang
- Key Laboratory for Advanced Materials Institute of Fine Chemicals and School of Chemistry & Molecular Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
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9
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Umemiya S, Lingqi K, Eto Y, Terada M. Chiral Brønsted Acid Catalyzed Enantioconvergent Synthesis of Chiral Tetrahydrocarbazoles with Allenylsilanes from Racemic Indolylmethanols. CHEM LETT 2022. [DOI: 10.1246/cl.210803] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shigenobu Umemiya
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Kong Lingqi
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Yuno Eto
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi 980-8578, Japan
| | - Masahiro Terada
- Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki Aza Aoba, Aoba-ku, Sendai, Miyagi 980-8578, Japan
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10
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Wu Y, Yue Z, Qian C, Chen X, Li F, Li P, Li W. Organocatalytic Enantioselective Construction of Axially Chiral Tetrasubstituted Allenes via 1,6‐Addition of Alkynyl Indole Imine Methides with 2‐Substituted Indoles. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100724] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yu Wu
- Department of Medicinal Chemistry, School of Pharmacy Qingdao University Qingdao Shandong 266021 P. R. China
| | - Zhibin Yue
- Department of Medicinal Chemistry, School of Pharmacy Qingdao University Qingdao Shandong 266021 P. R. China
| | - Chenxiao Qian
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis College of Science Southern University of Science and Technology Shenzhen 518055 P. R. China
| | - Xuling Chen
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis College of Science Southern University of Science and Technology Shenzhen 518055 P. R. China
| | - Fushuai Li
- Department of Medicinal Chemistry, School of Pharmacy Qingdao University Qingdao Shandong 266021 P. R. China
| | - Pengfei Li
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis College of Science Southern University of Science and Technology Shenzhen 518055 P. R. China
| | - Wenjun Li
- Department of Medicinal Chemistry, School of Pharmacy Qingdao University Qingdao Shandong 266021 P. R. China
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11
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Han J, Lyutenko NV, Sorochinsky AE, Okawara A, Konno H, White S, Soloshonok VA. Tailor-Made Amino Acids in Pharmaceutical Industry: Synthetic Approaches to Aza-Tryptophan Derivatives. Chemistry 2021; 27:17510-17528. [PMID: 34913215 DOI: 10.1002/chem.202102485] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/24/2021] [Indexed: 12/22/2022]
Abstract
Over the recent years there has been a noticeable upsurge of interest in aza-analogs of tryptophan which are isosteric to the latter and found numerous applications in medicinal, bioorganic chemistry, and peptide research. In the present review article, five aza-tryptophan derivatives are profiled, including aza-substitution in the positions 2, on the five-membered ring, as well as in positions 4, 5, 6, and 7 on the six-membered ring. A detailed and comprehensive literature overview of the synthetic methods for the preparation of these aza-tryptophans is presented and general facets of the biological properties and most promising applications are discussed.
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Affiliation(s)
- Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and Materials College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Nataliya V Lyutenko
- Department of Fine Organic Synthesis V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 1 Murmanska str., Kyiv, 02094, Ukraine
| | - Alexander E Sorochinsky
- Department of Fine Organic Synthesis V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 1 Murmanska str., Kyiv, 02094, Ukraine
| | - Ayaka Okawara
- Graduate School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata, 992-8510, Japan
| | - Hiroyuki Konno
- Graduate School of Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata, 992-8510, Japan
| | - Sarah White
- Oakwood Chemical, Inc., 730 Columbia Hwy. N, Estill, SC, 29918, USA
| | - Vadim A Soloshonok
- Department of Organic Chemistry I Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018, San Sebastián, Spain.,IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, Plaza Bizkaia, 48013, Bilbao, Spain
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12
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Chu XQ, Ge D, Cui YY, Shen ZL, Li CJ. Desulfonylation via Radical Process: Recent Developments in Organic Synthesis. Chem Rev 2021; 121:12548-12680. [PMID: 34387465 DOI: 10.1021/acs.chemrev.1c00084] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
As the "chemical chameleon", sulfonyl-containing compounds and their variants have been merged with various types of reactions for the efficient construction of diverse molecular architectures by taking advantage of their incredible reactive flexibility. Currently, their involvement in radical transformations, in which the sulfonyl group typically acts as a leaving group via selective C-S, N-S, O-S, S-S, and Se-S bond cleavage/functionalization, has facilitated new bond formation strategies which are complementary to classical two-electron cross-couplings via organometallic or ionic intermediates. Considering the great influence and synthetic potential of these novel avenues, we summarize recent advances in this rapidly expanding area by discussing the reaction designs, substrate scopes, mechanistic studies, and their limitations, outlining the state-of-the-art processes involved in radical-mediated desulfonylation and related transformations. With a specific emphasis on their synthetic applications, we believe this review will be useful for medicinal and synthetic organic chemists who are interested in radical chemistry and radical-mediated desulfonylation in particular.
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Affiliation(s)
- Xue-Qiang Chu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Danhua Ge
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yan-Ying Cui
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhi-Liang Shen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Chao-Jun Li
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis, McGill University, Montreal, Quebec H3A 0B8, Canada
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13
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Organocatalytic enantioselective dearomatization of thiophenes by 1,10-conjugate addition of indole imine methides. Nat Commun 2021; 12:4881. [PMID: 34385441 PMCID: PMC8361129 DOI: 10.1038/s41467-021-25165-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 07/21/2021] [Indexed: 02/07/2023] Open
Abstract
Catalytic asymmetric dearomatization (CADA) is a powerful tool for the rapid construction of diverse chiral cyclic molecules from cheap and easily available arenes. This work reports an organocatalytic enantioselective dearomatization of substituted thiophenes in the context of a rare remote asymmetric 1,10-conjugate addition. By suitable stabilization of the thiophenyl carbocation with an indole motif in the form of indole imine methide, excellent remote chemo-, regio-, and stereocontrol in the nucleophilic addition can be achieved with chiral phosphoric acid catalysis under mild conditions. This protocol can be successfully extended to the asymmetric dearomatization of other heteroarenes including selenophenes and furans. Control experiments and DFT calculations demonstrate a possible pathway in which hydrogen bonding plays an important role in selectivity control.
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14
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Varlet T, Matišić M, Van Elslande E, Neuville L, Gandon V, Masson G. Enantioselective and Diastereodivergent Synthesis of Spiroindolenines via Chiral Phosphoric Acid-Catalyzed Cycloaddition. J Am Chem Soc 2021; 143:11611-11619. [PMID: 34296854 DOI: 10.1021/jacs.1c04648] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A diastereodivergent and enantioselective synthesis of chiral spirocyclohexyl-indolenines with four contiguous stereogenic centers is achieved by a chiral phosphoric acid-catalyzed cycloaddition of 2-susbtituted 3-indolylmethanols with 1,3-dienecarbamates. Modular access to two different diastereoisomers with high enantioselectivities was obtained by careful choice of reaction conditions. Their functional group manipulation provides an efficient access to enantioenriched spirocyclohexyl-indolines and -oxindoles. The origins of this stereocontrol have been identified using DFT calculations, which reveal an unexpected mechanism compared to our previous work dealing with enecarbamates.
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Affiliation(s)
- Thomas Varlet
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Mateja Matišić
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Elsa Van Elslande
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Luc Neuville
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) and Laboratoire de Chimie Moléculaire (LCM), 91405 Orsay, France.,Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91128 Palaiseau Cedex, France
| | - Géraldine Masson
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
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15
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Wang J, Sun M, Yu X, Zhang Y, Tan W, Shi F. Atroposelective Construction of Axially Chiral
Alkene‐Indole
Scaffolds
via
Catalytic Enantioselective Addition Reaction of
3‐Alkynyl
‐2‐indolylmethanols
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100214] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jing‐Yi Wang
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Meng Sun
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Xian‐Yang Yu
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Yu‐Chen Zhang
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Wei Tan
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Feng Shi
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
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16
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Kiyokawa K, Urashima N, Minakata S. Tris(pentafluorophenyl)borane-Catalyzed Formal Cyanoalkylation of Indoles with Cyanohydrins. J Org Chem 2021; 86:8389-8401. [PMID: 34077225 DOI: 10.1021/acs.joc.1c00808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Despite the significant achievements related to the C3 functionalization of indoles, cyanoalkylation reactions continue to remain rather limited. We herein report on the formal C3 cyanoalkylation of indoles with cyanohydrins in the presence of a tris(pentafluorophenyl)borane (B(C6F5)3) catalyst. It is noteworthy that cyanohydrins are used as a cyanoalkylating reagent in the present reaction, even though they are usually used as only a HCN source. Mechanistic investigations revealed the unique reactivity of the B(C6F5)3 catalyst in promoting the decomposition of a cyanohydrin by a Lewis acidic activation through the coordination of the cyano group to the boron center. In addition, a catalytic three-component reaction using indoles, aldehydes as a carbon unit, and acetone cyanohydrin that avoids the discrete preparation of each aldehyde-derived cyanohydrin is also reported. The developed methods provide straightforward, highly efficient, and atom-economic access to various types of synthetically useful indole-3-acetonitrile derivatives containing α-tertiary or quaternary carbon centers.
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Affiliation(s)
- Kensuke Kiyokawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
| | - Naruyo Urashima
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
| | - Satoshi Minakata
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
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17
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Kar A, Chakraborty B, Kundal S, Rana G, Jana U. DDQ/FeCl 3-mediated tandem oxidative carbon-carbon bond formation for the Synthesis of indole-fluorene hybrid molecules. Org Biomol Chem 2021; 19:906-910. [PMID: 33411869 DOI: 10.1039/d0ob00413h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A series of diverse and complex hybrid structures of indole bearing fluorene were obtained in the presence of DDQ with high regioselectivity under mild conditions from biaryl tethered 3-(methylene)indoline in good to excellent yields. The strategy involves tandem allylic Csp3-H oxidation and subsequent intramolecular carbon-carbon bond formation. The yield of the product was dramatically improved in the presence of additives such as FeCl3 and molecular sieves (4 Å). A possible mechanism is proposed for this tandem process.
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Affiliation(s)
- Abhishek Kar
- Department of Chemistry, Jadavpur University, Kolkata 700032, West Bengal, India.
| | - Baitan Chakraborty
- Department of Chemistry, Jadavpur University, Kolkata 700032, West Bengal, India.
| | - Sandip Kundal
- Department of Chemistry, Jadavpur University, Kolkata 700032, West Bengal, India.
| | - Gopal Rana
- Department of Chemistry, Jadavpur University, Kolkata 700032, West Bengal, India.
| | - Umasish Jana
- Department of Chemistry, Jadavpur University, Kolkata 700032, West Bengal, India.
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18
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Kaur BP, Kaur J, Chimni SS. Arenesulfonyl indole: new precursor for diversification of C-3 functionalized indoles. RSC Adv 2021; 11:2126-2140. [PMID: 35424187 PMCID: PMC8693840 DOI: 10.1039/d0ra09133b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 12/16/2020] [Indexed: 12/11/2022] Open
Abstract
Arenesulfonyl indoles, bearing a good leaving group, are effective precursors for vinylogous imine intermediates which are generated in situ under basic conditions. This intermediate can readily react with other nucleophilic reagents to obtain C-3 substituted indole derivatives. In the last few years, a plethora of exciting synthetic applications of this substrate have been exploited. The stability of arylsulfonyl-containing substrates, mild reaction conditions, and the large variety of nucleophiles involved in these procedures are the key to their success in organic synthesis.
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Affiliation(s)
- Banni Preet Kaur
- Department of Chemistry, U.G.C. Centre of Advance Study-II, Guru Nanak Dev University Amritsar Punjab India
| | - Jasneet Kaur
- Post-Graduate Department of Chemistry, Khalsa College Amritsar Punjab India
| | - Swapandeep Singh Chimni
- Department of Chemistry, U.G.C. Centre of Advance Study-II, Guru Nanak Dev University Amritsar Punjab India
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19
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Synthesis of indole-fused scaffolds via [3+3] cyclization reaction of 2-indolylmethanols with quinone imines. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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20
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Wang Y, Cobo AA, Franz AK. Recent advances in organocatalytic asymmetric multicomponent cascade reactions for enantioselective synthesis of spirooxindoles. Org Chem Front 2021. [DOI: 10.1039/d1qo00220a] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Catalytic asymmetric MCCRs for enantioselective synthesis of spirooxindoles by using chiral phosphoric acids, amines, bifunctional thiourea/squaramides and metal-based reagents as catalysts.
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Affiliation(s)
- Yongchao Wang
- Colleage of Vocational and Technical Education
- Yunnan Normal University
- Kunming 650092
- P. R. China
| | - Angel A. Cobo
- Department of Chemistry
- University of California
- Davis
- USA
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21
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Wang Z, Lin X, Chen X, Li P, Li W. Organocatalytic stereoselective 1,6-addition of thiolacetic acids to alkynyl indole imine methides: access to axially chiral sulfur-containing tetrasubstituted allenes. Org Chem Front 2021. [DOI: 10.1039/d1qo00394a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A chiral phosphoric acid-catalyzed enantioselective 1,6-conjugate addition of thiolacetic acid to alkynyl indole imine methide in situ formed from α-(3-indolyl) propargylic alcohol has been established.
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Affiliation(s)
- Ziyang Wang
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
| | - Xiao Lin
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
| | - Xuling Chen
- Shenzhen Grubbs Institute and Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology (SUSTech)
- Shenzhen
- China
| | - Pengfei Li
- Shenzhen Grubbs Institute and Department of Chemistry
- Guangdong Provincial Key Laboratory of Catalysis
- Southern University of Science and Technology (SUSTech)
- Shenzhen
- China
| | - Wenjun Li
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
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22
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Varlet T, Masson G. Enamides and dienamides in phosphoric acid-catalysed enantioselective cycloadditions for the synthesis of chiral amines. Chem Commun (Camb) 2021; 57:4089-4105. [DOI: 10.1039/d1cc00590a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
This feature article describes how enamides and dienamides can participate in chiral phosphoric acid catalyzed enantioselective cycloadditions to prepare a wide range of cyclic amines.
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Affiliation(s)
- Thomas Varlet
- Université Paris-Saclay
- Institut de Chimie des Substances Naturelles
- ICSN-CNRS UPR 2301
- 91198 Gif-sur-Yvette
- France
| | - Géraldine Masson
- Université Paris-Saclay
- Institut de Chimie des Substances Naturelles
- ICSN-CNRS UPR 2301
- 91198 Gif-sur-Yvette
- France
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23
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Ge L, Zurro M, Harutyunyan SR. Copper-Catalyzed Addition of Grignard Reagents to in situ Generated Indole-Derived Vinylogous Imines. Chemistry 2020; 26:16277-16280. [PMID: 32960461 PMCID: PMC7918645 DOI: 10.1002/chem.202004232] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Indexed: 11/30/2022]
Abstract
Chiral indole derivatives are ubiquitous motifs in pharmaceuticals and alkaloids. Herein, the first protocol for catalytic asymmetric conjugate addition of Grignard reagents to various sulfonyl indoles, offering a straightforward approach for the synthesis of chiral 3‐sec‐alkyl‐substituted indoles in high yields and enantiomeric ratios is presented. This methodology makes use of a chiral catalyst based on copper phosphoramidite complexes and in situ formation of vinylogous imine intermediates.
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Affiliation(s)
- Luo Ge
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Mercedes Zurro
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Syuzanna R Harutyunyan
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
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24
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Zhang S, Yamamoto Y, Bao M. Benzyl Palladium Intermediates: Unique and Versatile Reactive Intermediates for Aromatic Functionalization. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000838] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sheng Zhang
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 People's Republic of China
| | - Yoshinori Yamamoto
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 People's Republic of China
- Department of Chemistry Graduate School of Science Tohoku University Sendai 980-8578
- Japan Research Organization of Science and Technology Ritsumeikan University Kusatsu Shiga 525-8577 Japan
| | - Ming Bao
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 People's Republic of China
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25
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Vallam Reddy HKR, Anna VR. L‐proline/urea catalyzed, novel, and eco‐friendly synthesis of coumarin substituted‐3‐indoloxanthenes. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Hari Krishna Reddy Vallam Reddy
- Department of Chemistry Koneru Lakshmaiah Education Foundation, Green Fields, Vaddeswaram Guntur Andhra Pradesh India
- API R&D, IPDO, Dr. Reddy's Laboratories Ltd. Bachupally Hyderabad Telangana India
| | - Venkateswara Rao Anna
- Department of Chemistry Koneru Lakshmaiah Education Foundation, Green Fields, Vaddeswaram Guntur Andhra Pradesh India
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26
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Uyanik M, Tanaka H, Ishihara K. Hypoiodite-Catalyzed Chemoselective Tandem Oxidation of Homotryptamines to Peroxy- and Epoxytetrahydropyridoindolenines. Org Lett 2020; 22:8049-8054. [PMID: 32996315 DOI: 10.1021/acs.orglett.0c03001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
We developed the hypoiodite-catalyzed tandem dearomative peroxycyclization of homotryptamine derivatives to peroxytetrahydropyridoindolenines under mild conditions. During the course of a mechanistic study, we found that a tandem oxidative cyclization/epoxidation as an unexpected reaction proceeded in the presence of TEMPO as an additive. Intramolecular oxidative aminocyclization of homotryptamines at the C-2 position would give tetrahydropyridoindole, a common intermediate for both reactions. Control experiments suggested that while oxidative coupling with TBHP at the C-3 position might afford peroxyindolenines, a preferential electrophilic addition of TEMPO+, which might be generated in situ by the hypoiodite-catalyzed oxidation of TEMPO, at C-3 position followed by elimination and epoxidation might give epoxyindolenines. This serendipitous finding prompted us to develop a chemoselective divergent synthesis of peroxy- and epoxyindolenines by simple modification of the reaction conditions.
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Affiliation(s)
- Muhammet Uyanik
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Hiroki Tanaka
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
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27
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Li X, Sun J. Organocatalytic Enantioselective Synthesis of Chiral Allenes: Remote Asymmetric 1,8‐Addition of Indole Imine Methides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006137] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xingguang Li
- Department of Chemistry The Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong SAR China
| | - Jianwei Sun
- Department of Chemistry The Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong SAR China
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28
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Li X, Sun J. Organocatalytic Enantioselective Synthesis of Chiral Allenes: Remote Asymmetric 1,8‐Addition of Indole Imine Methides. Angew Chem Int Ed Engl 2020; 59:17049-17054. [DOI: 10.1002/anie.202006137] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Xingguang Li
- Department of Chemistry The Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong SAR China
| | - Jianwei Sun
- Department of Chemistry The Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong SAR China
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29
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Chen KW, Wang ZS, Wu P, Yan XY, Zhang S, Zhang YC, Shi F. Catalytic Asymmetric Synthesis of 3,3′-Bisindoles Bearing Single Axial Chirality. J Org Chem 2020; 85:10152-10166. [DOI: 10.1021/acs.joc.0c01528] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Ke-Wei Chen
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Zhao-Shan Wang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Ping Wu
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Xin-Yu Yan
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Shu Zhang
- Department of Radiotherapy, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Yu-Chen Zhang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Feng Shi
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
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30
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Mandal T, Chakraborti G, Dash J. Reductive aromatization of oxindoles to 3-substituted indoles. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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31
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Bartoccini F, Retini M, Piersanti G. C3-Alkylation of indoles and oxindoles by alcohols by means of borrowing hydrogen methodology. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151875] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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32
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An D, Miao X, Ling X, Chen X, Rao W. DBSA‐Catalyzed Regioselective Dehydrative Friedel‐Crafts Arylation of CF
3
‐Containing 3‐Indolyl(2‐thiophenyl)methanols with 2‐Substituted Indoles in Water. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Di An
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Ago-Forest Biomass, College of Chemical EngineeringNanjing Forestry University Nanjing 210037 People's Republic of China
| | - Xinzhu Miao
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Ago-Forest Biomass, College of Chemical EngineeringNanjing Forestry University Nanjing 210037 People's Republic of China
| | - Xiangxiang Ling
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Ago-Forest Biomass, College of Chemical EngineeringNanjing Forestry University Nanjing 210037 People's Republic of China
| | - Xianxiao Chen
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Ago-Forest Biomass, College of Chemical EngineeringNanjing Forestry University Nanjing 210037 People's Republic of China
| | - Weidong Rao
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Ago-Forest Biomass, College of Chemical EngineeringNanjing Forestry University Nanjing 210037 People's Republic of China
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33
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Yuan L, Palmieri A, Petrini M. Synthesis of Unsymmetrical Bisindolylmethanes by Reaction of Indolylmagnesium Bromides with Sulfonyl Indoles. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901357] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Lixia Yuan
- School of Science and Technology, Chemistry DivisionUniversity of Camerino Via S. Agostino 1 62032 Camerino Italy
- School of Chemistry and Chemical EngineeringLiaocheng University Hunan Road Liaocheng 252000 People's Republic of China
| | - Alessandro Palmieri
- School of Science and Technology, Chemistry DivisionUniversity of Camerino Via S. Agostino 1 62032 Camerino Italy
| | - Marino Petrini
- School of Science and Technology, Chemistry DivisionUniversity of Camerino Via S. Agostino 1 62032 Camerino Italy
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34
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Wang C, Li T, Liu S, Zhang Y, Deng S, Jiao Y, Shi F. Axially Chiral
Aryl‐Alkene‐Indole
Framework: A Nascent Member of the Atropisomeric Family and Its Catalytic Asymmetric Construction. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.202000131] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Cong‐Shuai Wang
- School of Chemistry and Materials Science, Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Tian‐Zhen Li
- School of Chemistry and Materials Science, Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Si‐Jia Liu
- School of Chemistry and Materials Science, Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Yu‐Chen Zhang
- School of Chemistry and Materials Science, Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Shuang Deng
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology Xiangtan Hunan 411201 China
| | - Yinchun Jiao
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology Xiangtan Hunan 411201 China
| | - Feng Shi
- School of Chemistry and Materials Science, Jiangsu Normal University Xuzhou Jiangsu 221116 China
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35
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Petrini M. New Perspectives in the Indole Ring Functionalization using 2‐Indolylmethanols. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901245] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Marino Petrini
- School of Science and TechnologyChemistry Division, Università di Camerino via S. Agostino 1 62032 Camerino Italy
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36
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Gambaro S, La Manna P, De Rosa M, Soriente A, Talotta C, Gaeta C, Neri P. The Hexameric Resorcinarene Capsule as a Brønsted Acid Catalyst for the Synthesis of Bis(heteroaryl)methanes in a Nanoconfined Space. Front Chem 2019; 7:687. [PMID: 31696107 PMCID: PMC6817573 DOI: 10.3389/fchem.2019.00687] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 10/04/2019] [Indexed: 11/25/2022] Open
Abstract
Herein, we show that the hexameric resorcinarene capsule C is able to catalyze the formation of bis(heteroaryl)methanes by reaction between pyrroles or indoles and carbonyl compounds (α-ketoesters or aldehydes) in excellent yields and selectivity. Our results suggest that the capsule can play a double catalytic role as a H-bond catalyst, for the initial activation of the carbonyl substrate, and as a Brønsted acid catalyst, for the dehydration of the intermediate alcohol.
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Affiliation(s)
- Stefania Gambaro
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Salerno, Italy
| | - Pellegrino La Manna
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Salerno, Italy
| | - Margherita De Rosa
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Salerno, Italy
| | - Annunziata Soriente
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Salerno, Italy
| | - Carmen Talotta
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Salerno, Italy
| | - Carmine Gaeta
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Salerno, Italy
| | - Placido Neri
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Salerno, Italy
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37
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Han JL, Liao YT, Chang CH. Asymmetric Organocatalytic Conjugate Addition of Electron-Rich Phenols and 1,3-Dicarbonyls to Arylsulfonyl Indoles in an Oil-Water Biphasic System. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900962] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jeng-Liang Han
- Department of Chemistry; National Chung Hsing University; 145 Xingda Rd., South Dist., Taichung City 402 Taiwan R.O.C
| | - Yu-Ting Liao
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
| | - Chia-Hao Chang
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
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38
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El‐Harairy A, Yiliqi, Yue M, Fan W, Popowycz F, Queneau Y, Li M, Gu Y. Novel Non‐toxic and Non‐hazardous Solvent Systems for the Chemistry of Indoles: Use of a Sulfone‐containing Brønsted Acid Ionic Liquid Catalyst in Butyl Acetate. ChemCatChem 2019. [DOI: 10.1002/cctc.201900784] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ahmed El‐Harairy
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureSchool of Chemistry and Chemical EngineeringHuazhong University of Science and Technology
| | - Yiliqi
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureSchool of Chemistry and Chemical EngineeringHuazhong University of Science and Technology
| | - Meie Yue
- Qingdao University of Science and Technology 266042 Qingdao China
| | - Weigang Fan
- Institut de Chimie et Biochimie Moléculaires et SupramoléculairesUniv Lyon, CNRS, Université Lyon 1, INSA Lyon, CPE Lyon, ICBMSUMR 5246Université Claude BernardBâtiment Lederer 1 Rue Victor Grignard 69622 Villeurbanne Cedex France
| | - Florence Popowycz
- Institut de Chimie et Biochimie Moléculaires et SupramoléculairesUniv Lyon, CNRS, Université Lyon 1, INSA Lyon, CPE Lyon, ICBMSUMR 5246Université Claude BernardBâtiment Lederer 1 Rue Victor Grignard 69622 Villeurbanne Cedex France
| | - Yves Queneau
- Institut de Chimie et Biochimie Moléculaires et SupramoléculairesUniv Lyon, CNRS, Université Lyon 1, INSA Lyon, CPE Lyon, ICBMSUMR 5246Université Claude BernardBâtiment Lederer 1 Rue Victor Grignard 69622 Villeurbanne Cedex France
| | - Minghao Li
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureSchool of Chemistry and Chemical EngineeringHuazhong University of Science and Technology
| | - Yanlong Gu
- Key Laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureSchool of Chemistry and Chemical EngineeringHuazhong University of Science and Technology
- State Key Laboratory for Oxo Synthesis and Selective OxidationLanzhou Institute of Chemical Physics Lanzhou 730000 China
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39
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Sun M, Ma C, Zhou S, Lou S, Xiao J, Jiao Y, Shi F. Catalytic Asymmetric (4+3) Cyclizations of In Situ Generated
ortho
‐Quinone Methides with 2‐Indolylmethanols. Angew Chem Int Ed Engl 2019; 58:8703-8708. [DOI: 10.1002/anie.201901955] [Citation(s) in RCA: 140] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/03/2019] [Indexed: 01/09/2023]
Affiliation(s)
- Meng Sun
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Chun Ma
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Si‐Jia Zhou
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Sai‐Fan Lou
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Jian Xiao
- College of Chemistry and Pharmaceutical SciencesQingdao Agricultural University Qingdao 266109 P. R. China
| | - Yinchun Jiao
- School of Chemistry and Chemical EngineeringHunan University of Science and Technology Xiangtan 411201 P. R. China
| | - Feng Shi
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
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40
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Fujita H, Nishikawa R, Sasamoto O, Kitamura M, Kunishima M. Substitution of the Dimethylamino Group in Gramines and One-Pot Cyclization to Tetrahydro-β-carbolines Using a Triazine-Based Activating Agent. J Org Chem 2019; 84:8380-8391. [DOI: 10.1021/acs.joc.9b00039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Hikaru Fujita
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Riho Nishikawa
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Ozora Sasamoto
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Masanori Kitamura
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Munetaka Kunishima
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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41
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Sun M, Ma C, Zhou S, Lou S, Xiao J, Jiao Y, Shi F. Catalytic Asymmetric (4+3) Cyclizations of In Situ Generated
ortho
‐Quinone Methides with 2‐Indolylmethanols. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901955] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Meng Sun
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Chun Ma
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Si‐Jia Zhou
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Sai‐Fan Lou
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Jian Xiao
- College of Chemistry and Pharmaceutical SciencesQingdao Agricultural University Qingdao 266109 P. R. China
| | - Yinchun Jiao
- School of Chemistry and Chemical EngineeringHunan University of Science and Technology Xiangtan 411201 P. R. China
| | - Feng Shi
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
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42
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Golantsov NE, Nguyen HM, Golubenkova AS, Varlamov AV, Van der Eycken EV, Voskressensky LG. Three-Component Reaction of 3-Arylidene-3 H-Indolium Salts, Isocyanides, and Alcohols. Front Chem 2019; 7:345. [PMID: 31157211 PMCID: PMC6532454 DOI: 10.3389/fchem.2019.00345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 04/26/2019] [Indexed: 11/23/2022] Open
Abstract
A novel isocyanide-based multicomponent synthesis of alkyl aryl(indol-3-yl)acetimidates has been established. Starting from aryl(indol-3-yl)methylium tetrafluoroborates, aromatic isocyanides and alcohols, the imidates were obtained in moderate to very good yields. Consecutive four-component synthesis of the above mentioned imidates from N-alkylindoles, aromatic aldehydes, aromatic isocyanides and alcohols was also proposed. In addition, it was shown that in the presence of water, aryl(indol-3-yl)methylium tetrafluoroborates reacted with isocyanides to furnish aryl(indol-3-yl)acetamides.
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Affiliation(s)
- Nikita E Golantsov
- Department of Organic Chemistry, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Moscow, Russia
| | - Hung M Nguyen
- Department of Organic Chemistry, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Moscow, Russia
| | - Alexandra S Golubenkova
- Department of Organic Chemistry, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Moscow, Russia
| | - Alexey V Varlamov
- Department of Organic Chemistry, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Moscow, Russia
| | - Erik V Van der Eycken
- Department of Organic Chemistry, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Moscow, Russia.,Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Leuven, Belgium
| | - Leonid G Voskressensky
- Department of Organic Chemistry, Faculty of Science, Peoples' Friendship University of Russia (RUDN University), Moscow, Russia
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43
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Li G, Yao Y, Wang Z, Zhao M, Xu J, Huang L, Zhu G, Bao G, Sun W, Hong L, Wang R. Switchable Skeletal Rearrangement of Dihydroisobenzofuran Acetals with Indoles. Org Lett 2019; 21:4313-4317. [DOI: 10.1021/acs.orglett.9b01488] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Guofeng Li
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ying Yao
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Zheng Wang
- Guangdong Key Lab of Nano-Micro Material Research, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Man Zhao
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jiecheng Xu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Liwu Huang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Gongming Zhu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Guangjun Bao
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Wangsheng Sun
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Liang Hong
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
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44
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Gandhi S, Baire B. Unusual Formation of Cyclopenta[b]indoles from 3-Indolylmethanols and Alkynes. J Org Chem 2019; 84:3904-3918. [DOI: 10.1021/acs.joc.8b03027] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Soniya Gandhi
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamilnadu, India
| | - Beeraiah Baire
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamilnadu, India
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45
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Ma C, Jiang F, Sheng F, Jiao Y, Mei G, Shi F. Design and Catalytic Asymmetric Construction of Axially Chiral 3,3′‐Bisindole Skeletons. Angew Chem Int Ed Engl 2019; 58:3014-3020. [DOI: 10.1002/anie.201811177] [Citation(s) in RCA: 198] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/12/2018] [Indexed: 01/13/2023]
Affiliation(s)
- Chun Ma
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Fei Jiang
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Feng‐Tao Sheng
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Yinchun Jiao
- School of Chemistry and Chemical EngineeringHunan University of Science and Technology Xiangtan 411201 P. R. China
| | - Guang‐Jian Mei
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Feng Shi
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
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46
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Xu L, Chen H, Liu J, Zhou L, Liu Q, Lan Y, Xiao J. Chiral phosphoric acid-catalyzed asymmetric C(sp3)–H functionalization of biomass-derived 2,5-dimethylfuran via two sequential Cope-type rearrangements. Org Chem Front 2019. [DOI: 10.1039/c8qo01375f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first organocatalytic asymmetric C(sp3)–H functionalization of biomass-derived 2,5-dimethylfuran with alcohols to afford enantioenriched furan-derived 3,3′-disubstituted oxindoles in high enantioselectivity.
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Affiliation(s)
- Lubin Xu
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao
- China
| | - Haohua Chen
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 400030
- China
| | - Jian Liu
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao
- China
| | - Lan Zhou
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao
- China
| | - Qing Liu
- College of Chemical and Environmental Engineering
- Shandong University of Science and Technology
- Qingdao 266590
- China
| | - Yu Lan
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 400030
- China
- College of Chemistry and Molecular Engineering
| | - Jian Xiao
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao
- China
- College of Marine Science and Engineering
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47
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Palmieri A, Petrini M. Tryptophol and derivatives: natural occurrence and applications to the synthesis of bioactive compounds. Nat Prod Rep 2019; 36:490-530. [DOI: 10.1039/c8np00032h] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This report presents some fundamental aspects related to the natural occurrence and bioactivity of tryptophol as well as the synthesis of tryptophols and their utilization for the preparation of naturally occurring alkaloid metabolites embedding the indole system.
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Affiliation(s)
- Alessandro Palmieri
- School of Science and Technology
- Chemistry Division
- University of Camerino
- Italy
| | - Marino Petrini
- School of Science and Technology
- Chemistry Division
- University of Camerino
- Italy
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48
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Ma C, Jiang F, Sheng F, Jiao Y, Mei G, Shi F. Design and Catalytic Asymmetric Construction of Axially Chiral 3,3′‐Bisindole Skeletons. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201811177] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Chun Ma
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Fei Jiang
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Feng‐Tao Sheng
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Yinchun Jiao
- School of Chemistry and Chemical EngineeringHunan University of Science and Technology Xiangtan 411201 P. R. China
| | - Guang‐Jian Mei
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
| | - Feng Shi
- School of Chemistry and Materials ScienceJiangsu Normal University Xuzhou 221116 P. R. China
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49
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Dwivedi KD, Marri SR, Nandigama SK, Chowhan LR. Exploring TiO2 NPs as efficient catalyst for 1,6 Michael addition of 3-methyl-5-pyrazolone on 3-methyl-4-nitro-5-alkenyl isoxazoles and rapid synthesis of 3,3‐bis(indolyl)oxindoles in water. SYNTHETIC COMMUN 2018. [DOI: 10.1080/00397911.2018.1518456] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
| | - Sameer Reddy Marri
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar, India
| | - Satish Kumar Nandigama
- Nanoscience and Nanotechnology Laboratory, Department of Chemistry, Gitam Institute of Science, GITAM, Visakhapatnam, India
| | - L. Raju Chowhan
- Centre for Applied Chemistry, Central University of Gujarat, Gandhinagar, India
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50
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Samanta S, Hajra A. Ruthenium-catalyzed tandem annulation/arylation for the synthesis of unsymmetrical bis(heteroaryl)methanes. Org Biomol Chem 2018; 16:8390-8394. [PMID: 30209462 DOI: 10.1039/c8ob01892h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A new Ru-catalyzed tandem furan annulation/arylation strategy has been developed to afford unsymmetrical bis(heteroaryl)methanes by a reaction between propargyl amines and indoles. A series of bis(heteroaryl)methanes containing furan and indole as well as indole and imidazopyridine moieties have been synthesized in high yields. The reaction possibly proceeds through furan annulation followed by nucleophilic addition of indole.
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Affiliation(s)
- Sadhanendu Samanta
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235 West Bengal, India.
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