1
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Ketelboeter DR, Pappoppula M, Aponick A. Chemoselective Diazine Dearomatization: The Catalytic Enantioselective Dearomatization of Pyrazine. J Am Chem Soc 2024; 146:11610-11615. [PMID: 38619328 DOI: 10.1021/jacs.4c02979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Despite much progress in the area of dearomatization, the enantioselective dearomatization of heterocycles is limited to those with a single heteroatom. Here we report a highly enantioselective copper-catalyzed dearomatization of pyrazine, a diazine, leading to chiral C-substituted piperazines. When exposed to a chloroformate and an alkyne in the presence of a catalyst derived from a copper salt and the chiral ligand StackPhos, pyrazine is readily dearomatized to provide a 2,3-disubstituted dihydropyrazine as single diastereomer in high enantiomeric excess. Mechanistic studies support a noninnocent involvement of chloride ion preventing a second iminium alkynylation, thus enabling subsequent functionalization at the second reactive site. The synthetically useful dihydropyrazine products, obtained in up to 95% yield and 99% ee, can be further manipulated to form optically active C-substituted piperazines and C1-symmetric 1,2-diamines.
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Affiliation(s)
- Devin R Ketelboeter
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Mukesh Pappoppula
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Aaron Aponick
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
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2
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Xie R, Zhou H, Lu H, Mu Y, Xu G, Chang M. Transition-Metal-Catalyzed Asymmetric Reductive Amination and Amidation Cascade Reaction for the Synthesis of Piperazinones. Org Lett 2022; 24:9033-9037. [DOI: 10.1021/acs.orglett.2c03664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Rongrong Xie
- College of Chemistry and Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Huan Zhou
- College of Plant Protection, Shaanxi Research Center of Biopesticide Engineering and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hui Lu
- College of Chemistry and Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yawei Mu
- College of Chemistry and Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Gong Xu
- College of Plant Protection, Shaanxi Research Center of Biopesticide Engineering and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Mingxin Chang
- College of Chemistry and Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Shaanxi Research Center of Biopesticide Engineering and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
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3
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Pérez‐Martín C, Rebolledo F, Brieva R. Amine Transaminase Mediated Synthesis of Optically Pure Piperazinones and 1,4‐Diazepanones. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Carlos Pérez‐Martín
- Department of Organic and Inorganic Chemistry University of Oviedo 33006-Oviedo Asturias) Spain
| | - Francisca Rebolledo
- Department of Organic and Inorganic Chemistry University of Oviedo 33006-Oviedo Asturias) Spain
| | - Rosario Brieva
- Department of Organic and Inorganic Chemistry University of Oviedo 33006-Oviedo Asturias) Spain
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4
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Feng GS, Zhao ZB, Shi L, Zhou YG. Synthesis of chiral piperazin-2-ones through palladium-catalyzed asymmetric hydrogenation of pyrazin-2-ols. Org Chem Front 2021. [DOI: 10.1039/d1qo01144h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A palladium-catalyzed asymmetric hydrogenation of pyrazines containing a tautomeric hydroxyl group was developed, providing a facile access to chiral disubstituted piperazin-2-ones with excellent diastereoselectivities and enantioselectivities.
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Affiliation(s)
- Guang-Shou Feng
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
| | - Zi-Biao Zhao
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
| | - Lei Shi
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian 116024, P. R. China
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5
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Cho S, Gu L, IN IJ, Wu B, Lee T, Kim H, Koo S. Ribose conversion with amino acids into pyrraline platform chemicals – expeditious synthesis of diverse pyrrole-fused alkaloid compounds. RSC Adv 2021; 11:31511-31525. [PMID: 35496880 PMCID: PMC9041667 DOI: 10.1039/d1ra06110k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 09/13/2021] [Indexed: 11/21/2022] Open
Abstract
One-pot conversion of sustainable d-ribose with l-amino acid, methyl esters produced pyrrole-2-carbaldehydes 5 in reasonable yields (32–63%) under pressurized conditions of 2.5 atm at 80 °C.
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Affiliation(s)
- Soohyeon Cho
- Department of Energy Science and Technology, Department of Chemistry, Myongji University, Myongji-Ro 116, Cheoin-Gu, Yongin, Gyeonggi-Do, 17058, Korea
| | - Lina Gu
- Department of Energy Science and Technology, Department of Chemistry, Myongji University, Myongji-Ro 116, Cheoin-Gu, Yongin, Gyeonggi-Do, 17058, Korea
- School of Pharmacy, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, China
| | - Ik Joon IN
- Department of Energy Science and Technology, Department of Chemistry, Myongji University, Myongji-Ro 116, Cheoin-Gu, Yongin, Gyeonggi-Do, 17058, Korea
| | - Bo Wu
- School of Forensic Medicine, China Medical University, Puhe Road 77, Shenyang, 110122, China
| | - Taehoon Lee
- Global Center for Pharmaceutical Ingredient Materials, Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi-Do, 17104, Korea
| | - Hakwon Kim
- Global Center for Pharmaceutical Ingredient Materials, Department of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi-Do, 17104, Korea
| | - Sangho Koo
- Department of Energy Science and Technology, Department of Chemistry, Myongji University, Myongji-Ro 116, Cheoin-Gu, Yongin, Gyeonggi-Do, 17058, Korea
- School of Pharmacy, East China University of Science and Technology, Meilong Road 130, Shanghai, 200237, China
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6
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Amador-Sánchez YA, Hernández-Vázquez E, González-Mojica N, Ramírez-Apan MT, Miranda LD. Diversity-oriented synthesis and cytotoxic screening of fused dihydropyrazin-2(1H)-ones through a Ugi 4-CR/deprotection/Heck sequence. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131383] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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7
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St Hilaire VR, Hopkins WE, Miller YS, Dandepally SR, Williams AL. Regioselective addition of Grignard reagents to N-acylpyrazinium salts: synthesis of substituted 1,2-dihydropyrazines and Δ 5-2-oxopiperazines. Beilstein J Org Chem 2019; 15:72-78. [PMID: 30680041 PMCID: PMC6334805 DOI: 10.3762/bjoc.15.8] [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: 09/22/2018] [Accepted: 12/10/2018] [Indexed: 11/23/2022] Open
Abstract
The regioselective addition of Grignard reagents to mono- and disubstituted N-acylpyrazinium salts affording substituted 1,2-dihydropyrazines in modest to excellent yields (45–100%) is described. Under acidic conditions, these 1,2-dihydropyrazines can be converted to substituted Δ5-2-oxopiperazines providing a simple and efficient approach towards their preparation.
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Affiliation(s)
- Valentine R St Hilaire
- Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, North Carolina 27707, United States
| | - William E Hopkins
- Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, North Carolina 27707, United States
| | - Yenteeo S Miller
- Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, North Carolina 27707, United States
| | - Srinivasa R Dandepally
- Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, North Carolina 27707, United States
| | - Alfred L Williams
- Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, North Carolina 27707, United States.,Department of Pharmaceutical Sciences, North Carolina Central University, Durham, North Carolina 27707, United States
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8
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Wang Y, Liu Y, Li K, Yang G, Zhang W. Iridium-Catalyzed Asymmetric Hydrogenation of Unsaturated Piperazin-2-ones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700175] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yanzhao Wang
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Yuanyuan Liu
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Kun Li
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Guoqiang Yang
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Wanbin Zhang
- School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
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9
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Kaplaneris N, Spyropoulos C, Kokotou MG, Kokotos CG. Enantioselective Organocatalytic Synthesis of 2-Oxopiperazines from Aldehydes: Identification of the Elusive Epoxy Lactone Intermediate. Org Lett 2016; 18:5800-5803. [PMID: 27792345 DOI: 10.1021/acs.orglett.6b02699] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An organocatalytic linchpin catalysis approach was envisaged to convert simple aldehydes into enantioenriched 2-oxopiperazines. A four-step reaction sequence (chlorination, oxidation, substitution, and cyclization) was developed and led to different substitution patterns in high yields and selectivities. The reaction mechanism was studied, and the previously elusive epoxy lactone intermediate was identified by HRMS.
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Affiliation(s)
- Nikolaos Kaplaneris
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens , Panepistimiopolis, Athens 15771, Greece
| | - Constantinos Spyropoulos
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens , Panepistimiopolis, Athens 15771, Greece
| | - Maroula G Kokotou
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens , Panepistimiopolis, Athens 15771, Greece
| | - Christoforos G Kokotos
- Laboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens , Panepistimiopolis, Athens 15771, Greece
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10
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A short access to 3,5-disubstituted piperazinones based on the aza-Michael addition of α-amino esters to β-substituted nitroalkenes. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.09.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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11
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New multicomponent method for the synthesis of polyhydrogenated pyrazino[1,2-a]quinolines. Chem Heterocycl Compd (N Y) 2016. [DOI: 10.1007/s10593-016-1876-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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12
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Cézard C, Bouvier B, Dassonville-Klimpt A, Sonnet P. The origin of the stereoselective alkylation of 3-substituted-2-oxopiperazines: A computational investigation. COMPUT THEOR CHEM 2016. [DOI: 10.1016/j.comptc.2015.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Meninno S, Vidal-Albalat A, Lattanzi A. Asymmetric Epoxidation of Alkylidenemalononitriles: Key Step for One-Pot Approach to Enantioenriched 3-Substituted Piperazin-2-ones. Org Lett 2015; 17:4348-51. [DOI: 10.1021/acs.orglett.5b02186] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sara Meninno
- Dipartimento di Chimica e
Biologia, Università di Salerno, Via Giovanni Paolo II, 84084, Fisciano, Italy
| | - Andreu Vidal-Albalat
- Dipartimento di Chimica e
Biologia, Università di Salerno, Via Giovanni Paolo II, 84084, Fisciano, Italy
| | - Alessandra Lattanzi
- Dipartimento di Chimica e
Biologia, Università di Salerno, Via Giovanni Paolo II, 84084, Fisciano, Italy
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14
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Korch KM, Eidamshaus C, Behenna DC, Nam S, Horne D, Stoltz BM. Enantioselective synthesis of α-secondary and α-tertiary piperazin-2-ones and piperazines by catalytic asymmetric allylic alkylation. Angew Chem Int Ed Engl 2015; 54:179-83. [PMID: 25382664 PMCID: PMC4285707 DOI: 10.1002/anie.201408609] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Indexed: 11/07/2022]
Abstract
The asymmetric palladium-catalyzed decarboxylative allylic alkylation of differentially N-protected piperazin-2-ones allows the synthesis of a variety of highly enantioenriched tertiary piperazine-2-ones. Deprotection and reduction affords the corresponding tertiary piperazines, which can be employed for the synthesis of medicinally important analogues. The introduction of these chiral tertiary piperazines resulted in imatinib analogues which exhibited comparable antiproliferative activity to that of their corresponding imatinib counterparts.
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Affiliation(s)
- Katerina M. Korch
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology 1200 E. California Blvd, MC 101-20, Pasadena, CA 91125 (USA)
| | - Christian Eidamshaus
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology 1200 E. California Blvd, MC 101-20, Pasadena, CA 91125 (USA)
| | - Douglas C. Behenna
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology 1200 E. California Blvd, MC 101-20, Pasadena, CA 91125 (USA)
| | - Sangkil Nam
- Molecular Medicine, Beckman Research Institute, City of Hope Comprehensive Cancer Center 1500 East Duarte Road, Duarte, CA 91010 (USA)
| | - David Horne
- Molecular Medicine, Beckman Research Institute, City of Hope Comprehensive Cancer Center 1500 East Duarte Road, Duarte, CA 91010 (USA)
| | - Brian M. Stoltz
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology 1200 E. California Blvd, MC 101-20, Pasadena, CA 91125 (USA)
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15
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Lenci E, Innocenti R, Menchi G, Faggi C, Trabocchi A. Two-step one-pot synthesis of dihydropyrazinones as Xaa-Ser dipeptide isosteres through morpholine acetal rearrangement. Org Biomol Chem 2015; 13:7013-9. [DOI: 10.1039/c5ob00783f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The synthesis of the uncommon dihydropyrazinone ring was accomplished by taking advantage of the ring rearrangement ofN-acylated morpholine acetal derived from serine under acidic treatment and in the presence of 2,6-lutidine, resulting in a constrained Xaa-Ser dipeptide isostere.
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Affiliation(s)
- Elena Lenci
- Department of Chemistry “Ugo Schiff”
- University of Florence
- Sesto Fiorentino, Florence
- Italy
| | - Riccardo Innocenti
- Department of Chemistry “Ugo Schiff”
- University of Florence
- Sesto Fiorentino, Florence
- Italy
| | - Gloria Menchi
- Department of Chemistry “Ugo Schiff”
- University of Florence
- Sesto Fiorentino, Florence
- Italy
- Interdepartmental Center for Preclinical Development of Molecular Imaging (CISPIM)
| | - Cristina Faggi
- Department of Chemistry “Ugo Schiff”
- University of Florence
- Sesto Fiorentino, Florence
- Italy
| | - Andrea Trabocchi
- Department of Chemistry “Ugo Schiff”
- University of Florence
- Sesto Fiorentino, Florence
- Italy
- Interdepartmental Center for Preclinical Development of Molecular Imaging (CISPIM)
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16
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Perryman MS, Earl MWM, Greatorex S, Clarkson GJ, Fox DJ. Synthesis of 1- and 4-substituted piperazin-2-ones via Jocic-type reactions with N-substituted diamines. Org Biomol Chem 2015; 13:2360-5. [DOI: 10.1039/c4ob02311k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Enantiomerically-enriched trichloromethyl-containing alcohols are transformed regioselectively into enantiomerically-enriched 1-substituted piperazinones by modified Jocic reactions.
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Affiliation(s)
| | | | - Sam Greatorex
- Department of Chemistry
- University of Warwick
- Coventry
- U.K
| | | | - David J. Fox
- Department of Chemistry
- University of Warwick
- Coventry
- U.K
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17
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Korch KM, Eidamshaus C, Behenna DC, Nam S, Horne D, Stoltz BM. Enantioselective Synthesis of α‐Secondary and α‐Tertiary Piperazin‐2‐ones and Piperazines by Catalytic Asymmetric Allylic Alkylation. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408609] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Katerina M. Korch
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, MC 101‐20, Pasadena, CA 91125 (USA)
| | - Christian Eidamshaus
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, MC 101‐20, Pasadena, CA 91125 (USA)
| | - Douglas C. Behenna
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, MC 101‐20, Pasadena, CA 91125 (USA)
| | - Sangkil Nam
- Molecular Medicine, Beckman Research Institute, City of Hope Comprehensive Cancer Center, 1500 East Duarte Road, Duarte, CA 91010 (USA)
| | - David Horne
- Molecular Medicine, Beckman Research Institute, City of Hope Comprehensive Cancer Center, 1500 East Duarte Road, Duarte, CA 91010 (USA)
| | - Brian M. Stoltz
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, MC 101‐20, Pasadena, CA 91125 (USA)
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18
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Vidal-Albalat A, Rodríguez S, González FV. Nitroepoxides as Versatile Precursors to 1,4-Diamino Heterocycles. Org Lett 2014; 16:1752-5. [DOI: 10.1021/ol500444z] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andreu Vidal-Albalat
- Departament de Química
Inorgànica i Orgànica, Universitat Jaume I, Castelló, Spain
| | - Santiago Rodríguez
- Departament de Química
Inorgànica i Orgànica, Universitat Jaume I, Castelló, Spain
| | - Florenci V. González
- Departament de Química
Inorgànica i Orgànica, Universitat Jaume I, Castelló, Spain
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19
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M. Beauchemin A, Das Neves N, Raymond M. Expedient Synthesis of 2-Oxopiperazines Using a SN2 / Cope-Type Hydroamination Sequence. HETEROCYCLES 2014. [DOI: 10.3987/com-13-s(s)18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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20
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Slama S, Elemine BO, Besbes R. Convenient Synthesis of 1,2-Diamines from β-Chloro Amines: Precursors of New Substituted Piperazin-2-ones. SYNTHETIC COMMUN 2013. [DOI: 10.1080/00397911.2012.700080] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Soumaya Slama
- a Faculty of Sciences, Department of Chemistry , Laboratory of Analytical Chemistry and Electrochemistry , Tunis , Tunisia
| | - Brahim Ould Elemine
- a Faculty of Sciences, Department of Chemistry , Laboratory of Analytical Chemistry and Electrochemistry , Tunis , Tunisia
| | - Rafâa Besbes
- a Faculty of Sciences, Department of Chemistry , Laboratory of Analytical Chemistry and Electrochemistry , Tunis , Tunisia
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21
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Mata L, Avenoza A, Busto JH, Peregrina JM. Chemoselectivity Control in the Reactions of 1,2-Cyclic Sulfamidates with Amines. Chemistry 2013; 19:6831-9. [DOI: 10.1002/chem.201204392] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Revised: 02/19/2013] [Indexed: 11/10/2022]
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22
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Concia AL, Gómez L, Bujons J, Parella T, Vilaplana C, Cardona PJ, Joglar J, Clapés P. Chemo-enzymatic synthesis and glycosidase inhibitory properties of DAB and LAB derivatives. Org Biomol Chem 2013; 11:2005-21. [PMID: 23381224 DOI: 10.1039/c3ob27343a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A chemo-enzymatic strategy for the preparation of 2-aminomethyl derivatives of (2R,3R,4R)-2-(hydroxymethyl)pyrrolidine-3,4-diol (also called 1,4-dideoxy-1,4-imino-D-arabinitol, DAB) and its enantiomer LAB is presented. The synthesis is based on the enzymatic preparation of DAB and LAB followed by the chemical modification of their hydroxymethyl functionality to afford diverse 2-aminomethyl derivatives. This strategy leads to novel aromatic, aminoalcohol and 2-oxopiperazine DAB and LAB derivatives. The compounds were preliminarily explored as inhibitors of a panel of commercial glycosidases, rat intestinal disaccharidases and against Mycobacterium tuberculosis, the causative agent of tuberculosis. It was found that the inhibitory profile of the new products differed considerably from the parent DAB and LAB. Furthermore, some of them were active inhibiting the growth of M. tuberculosis.
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Affiliation(s)
- Alda Lisa Concia
- Dept Química Biológica y Modelización Molecular, Instituto de Química Avanzada de Cataluña, IQAC-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
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23
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An efficient entry to highly substituted chiral 2-oxopiperazines from α-amino acids via iodocyclization. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.09.109] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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24
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Valdivielso AM, Ventosa-Andrés P, García-López MT, Herranz R, Gutiérrez-Rodríguez M. Synthesis and Regioselective Functionalization of Piperazin-2-ones Based on Phe-Gly Pseudodipeptides. European J Org Chem 2012. [DOI: 10.1002/ejoc.201201221] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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25
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Huang J, Xu W, Xie H, Li S. One-step cyclization: synthesis of N-heteroalkyl-N'-tosylpiperazines. J Org Chem 2012; 77:7506-11. [PMID: 22849619 DOI: 10.1021/jo3012896] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Piperazine derivatives are important intermediates in organic synthesis and useful building blocks in pharmaceutical and fine chemical industries. Currently available synthetic routes for these heterocyclic compounds have limited scope owing to the harsh reaction conditions, low yields, and multistep process. Herein, we reported a practical method for synthesis of alkyl-, alcohol-, amine-, and ester-extended tosylpiperazines under mild conditions with moderate to high yields. This protocol exhibits potential applicability in the synthesis of pharmaceuticals and natural products because of the operational simplicity and the conveniently available reactants. On the basis of the experimental and theoretical results, a plausible mechanism of aliphatic nucleophilic substitution (S(N)) in the cyclization has been postulated and evidence for the formation of a six-membered ring has also been confirmed by means of density functional theory (DFT) calculations.
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Affiliation(s)
- Jianying Huang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310035, P. R. China.
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Jida M, Laconde G, Soueidan OM, Lebegue N, Revelant G, Pelinski L, Agbossou-Niedercorn F, Deprez B, Deprez-Poulain R. Stereoselective synthesis of enantiopure N-protected-3-arylpiperazines from keto-esters. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.07.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Kwon SH, Lee SM, Byun SM, Chin J, Kim BM. Short Synthesis of Enantiopure trans-3-Arylpiperazine-2-carboxylic Acid Derivatives via Diaza-Cope Rearrangement. Org Lett 2012; 14:3664-7. [DOI: 10.1021/ol301506b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Soon Ho Kwon
- Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, South Korea, and Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Sang Min Lee
- Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, South Korea, and Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Sang Moon Byun
- Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, South Korea, and Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Jik Chin
- Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, South Korea, and Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - B. Moon Kim
- Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, South Korea, and Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
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Williams AL, St. Hilaire VR, Lee T. Regioselective Reduction of 3-Substituted N-Acylpyrazinium Salts toward the Synthesis of 1,2-Dihydropyrazines. J Org Chem 2012; 77:4097-102. [DOI: 10.1021/jo202498r] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | - Tina Lee
- Campbell University College of Pharmacy and Health Sciences, Buies Creek,
North Carolina 27506, United States
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Jang JI, Kang SY, Kang KH, Park YS. Dynamic resolution of α-halo chiral esters for the synthesis of 3-substituted piperazin-2-ones. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.06.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Girard AL, Enomoto T, Yokouchi S, Tsukano C, Takemoto Y. Control of 6-Exo and 7-Endo Cyclizations of Alkynylamides using Platinum and Bismuth Catalysts. Chem Asian J 2011; 6:1321-4. [DOI: 10.1002/asia.201100209] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2011] [Indexed: 11/09/2022]
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Ciofi L, Morvillo M, Sladojevich F, Guarna A, Trabocchi A. Skeletal diversity by sequential one-pot and stepwise routes using morpholine ester scaffolds. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.09.103] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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