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Armanino N, Charpentier J, Flachsmann F, Goeke A, Liniger M, Kraft P. Heiße Luft oder cooler Duft? Die Trends der letzten 20 Jahre in der Riechstoffchemie. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nicolas Armanino
- Givaudan Schweiz AGFragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Schweiz
| | - Julie Charpentier
- Givaudan Schweiz AGFragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Schweiz
| | - Felix Flachsmann
- Givaudan Schweiz AGFragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Schweiz
| | - Andreas Goeke
- Givaudan Schweiz AGFragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Schweiz
| | - Marc Liniger
- Givaudan Schweiz AGFragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Schweiz
| | - Philip Kraft
- Givaudan Schweiz AGFragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Schweiz
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2
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Armanino N, Charpentier J, Flachsmann F, Goeke A, Liniger M, Kraft P. What's Hot, What's Not: The Trends of the Past 20 Years in the Chemistry of Odorants. Angew Chem Int Ed Engl 2020; 59:16310-16344. [DOI: 10.1002/anie.202005719] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Indexed: 01/05/2023]
Affiliation(s)
- Nicolas Armanino
- Givaudan Schweiz AG Fragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Switzerland
| | - Julie Charpentier
- Givaudan Schweiz AG Fragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Switzerland
| | - Felix Flachsmann
- Givaudan Schweiz AG Fragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Switzerland
| | - Andreas Goeke
- Givaudan Schweiz AG Fragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Switzerland
| | - Marc Liniger
- Givaudan Schweiz AG Fragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Switzerland
| | - Philip Kraft
- Givaudan Schweiz AG Fragrances S&T, Ingredients Research Kemptpark 50 8310 Kemptthal Switzerland
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3
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Quijano-Quiñones RF, Castro-Segura CS, Mena-Rejón GJ, Quesadas-Rojas M, Cáceres-Castillo D. Biosynthesis of Grandione: An Example of Tandem Hetero Diels-Alder/Retro-Claisen Rearrangement Reaction? Molecules 2018; 23:molecules23102505. [PMID: 30274324 PMCID: PMC6222908 DOI: 10.3390/molecules23102505] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 09/26/2018] [Accepted: 09/27/2018] [Indexed: 11/18/2022] Open
Abstract
Mechanistic theoretical studies about the feasibility of the traditional proposed mechanism of formation for icetexane diterpene dimer grandione were assessed using density functional method at the M06-2X/6-31G(d,p) level of theory. Bulk water solvent effects were taken into account implicitly using the polarizable continuum model (SCI-PCM). The results were compared with the selectivity found in the biomimetic synthesis performed by experimental research groups. The relative free energy calculation shows that the one-step H-DA formation mechanism nominated in the literature is not a viable mechanism. We found that an alternative competing Tandem pathway is consistent with the experimental trends. Thus, our results suggested that the compound grandione is formed via a H-DA/retro-Claisen rearrangement and not by the traditional H-DA mechanism proposed early in the experimental studies. The H-DA initial step produce a biecyclic adduct followed by a domino retro-Claisen rearrangement that releases the energy strain of the bicyclic intermediary. Steric issues and hyperconjugation interactions are the mainly factors driving the reaction nature and the selectivity in the formation reaction. Finally, the enzymatic assistance for dimer formation was analyzed in terms of the calculated transition state energy barrier.
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Affiliation(s)
| | | | - Gonzalo J Mena-Rejón
- Chemistry Faculty, Autonomous University of Yucatan, 97069 Mérida, Yucatán, Mexico.
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4
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Maurya V, Appayee C. Catalytic Asymmetric Synthesis of 3,4-Disubstituted Cyclohexadiene Carbaldehydes: Formal Total Synthesis of Cyclobakuchiols A and C. Org Lett 2018; 20:4111-4115. [PMID: 29916715 DOI: 10.1021/acs.orglett.8b01667] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The first catalytic approach for the asymmetric synthesis of 3,4-disubstituted cyclohexadiene carbaldehydes through an inverse-electron-demand Diels-Alder reaction is described. A variety of arylacetaldehydes and α,β,γ,δ-unsaturated aldehydes are tested under the mild reaction conditions catalyzed by l-proline to obtain the trans diastereomeric products with good yields and high enantioselectivities. The scope of this methodology is further extended to the asymmetric synthesis 3,4-disubstituted cyclohexane carbaldehydes and their derivatives. The practicality of this method is demonstrated by the gram-scale synthesis. This methodology is successfully applied for the formal total synthesis of cyclobakuchiol A, an antipyretic and anti-inflammatory agent, and cyclobakuchiol C.
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Affiliation(s)
- Vidyasagar Maurya
- Discipline of Chemistry , Indian Institute of Technology Gandhinagar , Palaj, Gandhinagar , Gujarat 382355 , India
| | - Chandrakumar Appayee
- Discipline of Chemistry , Indian Institute of Technology Gandhinagar , Palaj, Gandhinagar , Gujarat 382355 , India
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5
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Grau D, Grau BW, Hampel F, Tsogoeva SB. Three-Component Domino Knoevenagel/Vinylogous Michael Reaction: Entry to Challenging o
-Terphenyls. Chemistry 2018; 24:6551-6556. [DOI: 10.1002/chem.201800048] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Dominik Grau
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM); Friedrich-Alexander University of Erlangen-Nürnberg; Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Germany
| | - Benedikt W. Grau
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM); Friedrich-Alexander University of Erlangen-Nürnberg; Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Germany
| | - Frank Hampel
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM); Friedrich-Alexander University of Erlangen-Nürnberg; Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Germany
| | - Svetlana B. Tsogoeva
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM); Friedrich-Alexander University of Erlangen-Nürnberg; Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Germany
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6
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San AT, Joyce DC, Hofman PJ, Macnish AJ, Webb RI, Matovic NJ, Williams CM, De Voss JJ, Wong SH, Smyth HE. Stable isotope dilution assay (SIDA) and HS-SPME-GCMS quantification of key aroma volatiles for fruit and sap of Australian mango cultivars. Food Chem 2016; 221:613-619. [PMID: 27979249 DOI: 10.1016/j.foodchem.2016.11.130] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 11/22/2016] [Accepted: 11/23/2016] [Indexed: 11/26/2022]
Abstract
Reported herein is a high throughput method to quantify in a single analysis the key volatiles that contribute to the aroma of commercially significant mango cultivars grown in Australia. The method constitutes stable isotope dilution analysis (SIDA) in conjunction with headspace (HS) solid-phase microextraction (SPME) coupled with gas-chromatography mass spectrometry (GCMS). Deuterium labelled analogues of the target analytes were either purchased commercially or synthesised for use as internal standards. Seven volatiles, hexanal, 3-carene, α-terpinene, p-cymene, limonene, α-terpinolene and ethyl octanoate, were targeted. The resulting calibration functions had determination coefficients (R2) ranging from 0.93775 to 0.99741. High recovery efficiencies for spiked mango samples were also achieved. The method was applied to identify the key aroma volatile compounds produced by 'Kensington Pride' and 'B74' mango fruit and by 'Honey Gold' mango sap. This method represents a marked improvement over current methods for detecting and measuring concentrations of mango fruit and sap volatiles.
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Affiliation(s)
- Anh T San
- Queensland Alliance for Agriculture & Food Innovation, The University of Queensland, Coopers Plains, Queensland, Australia; School of Agriculture & Food Sciences, The University of Queensland, Gatton & St Lucia, Queensland, Australia.
| | - Daryl C Joyce
- School of Agriculture & Food Sciences, The University of Queensland, Gatton & St Lucia, Queensland, Australia; Department of Agriculture and Forestry, Brisbane and Nambour, Queensland, Australia
| | - Peter J Hofman
- Department of Agriculture and Forestry, Brisbane and Nambour, Queensland, Australia
| | - Andrew J Macnish
- Department of Agriculture and Forestry, Brisbane and Nambour, Queensland, Australia
| | - Richard I Webb
- Centre for Microscopy & Microanalysis, The University of Queensland, St Lucia, Queensland, Australia
| | - Nicolas J Matovic
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Craig M Williams
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - James J De Voss
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Siew H Wong
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Heather E Smyth
- Queensland Alliance for Agriculture & Food Innovation, The University of Queensland, Coopers Plains, Queensland, Australia.
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7
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Zou Y, Zhou L, Ding C, Wang Q, Kraft P, Goeke A. A novel oxy-oxonia(azonia)-cope reaction: serendipitous discovery and its application to the synthesis of macrocyclic musks. Chem Biodivers 2015; 11:1608-28. [PMID: 25329787 DOI: 10.1002/cbdv.201400058] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Indexed: 11/11/2022]
Abstract
This brief review, including new experimental results, is the summary of a talk at the GDCh conference 'flavors & fragrances 2013' in Leipzig, Germany, 11th-13th September, 2013. Musk odorants are indispensable in perfumery to lend sensuality to fine fragrances, a nourishing effect to cosmetics, and a comforting feeling to laundry. We have recently found serendipitously a new oxy-oxonia-Cope rearrangement. In this account, we review the background of oxonia-sigmatropic rearrangements and the discovery of this novel reaction. Special attention is focused on the versatile lactone and lactam formation reactions via [n+4] ring enlargement and the macrocyclization in the synthesis of new macrocyclic musks. The synthesized structures provide new insights into the structure-odor relationships of musks.
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Affiliation(s)
- Yue Zou
- Givaudan Fragrances (Shanghai) Ltd., Li Shi Zhen Road 298, Shanghai 201203, P. R. China.
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Liu YK, Li ZL, Li JY, Feng HX, Tong ZP. Open–Close: An Alternative Strategy to α-Functionalization of Lactone via Enamine Catalysis in One Pot under Mild Conditions. Org Lett 2015; 17:2022-5. [DOI: 10.1021/acs.orglett.5b00794] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yan-Kai Liu
- Key
Laboratory of Marine Drugs, Chinese Ministry of Education, School
of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, P. R. China
| | - Zhi-Long Li
- School
of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, P. R. China
| | - Ji-Yao Li
- Key
Laboratory of Marine Drugs, Chinese Ministry of Education, School
of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, P. R. China
| | - Huan-Xi Feng
- Key
Laboratory of Marine Drugs, Chinese Ministry of Education, School
of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, P. R. China
| | - Zhi-Ping Tong
- School
of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, P. R. China
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9
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Zhu Y, Qian P, Yang J, Chen S, Hu Y, Wu P, Wang W, Zhang W, Zhang S. Organocatalytic enantioselective Michael addition of cyclic hemiacetals to nitroolefins: a facile access to chiral substituted 5- and 6-membered cyclic ethers. Org Biomol Chem 2015; 13:4769-75. [DOI: 10.1039/c5ob00202h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient aminocatalytic enantioselective Michael addition of readily available cyclic hemiacetals to nitroolefins has been developed.
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Affiliation(s)
- Yadong Zhu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases & Department of Medicinal Chemistry
- College of Pharmaceutical Sciences
- Soochow University
- Suzhou 215123
- China
| | - Pengfei Qian
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases & Department of Medicinal Chemistry
- College of Pharmaceutical Sciences
- Soochow University
- Suzhou 215123
- China
| | - Jiyang Yang
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases & Department of Medicinal Chemistry
- College of Pharmaceutical Sciences
- Soochow University
- Suzhou 215123
- China
| | - Shaohua Chen
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases & Department of Medicinal Chemistry
- College of Pharmaceutical Sciences
- Soochow University
- Suzhou 215123
- China
| | - Yanwei Hu
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases & Department of Medicinal Chemistry
- College of Pharmaceutical Sciences
- Soochow University
- Suzhou 215123
- China
| | - Ping Wu
- School of Pharmacy
- Fudan University
- Shanghai 201203
- China
| | - Wei Wang
- Department of Chemistry and Chemical Biology
- University of New Mexico
- Albuquerque
- USA
| | - Wei Zhang
- School of Pharmacy
- Fudan University
- Shanghai 201203
- China
| | - Shilei Zhang
- Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases & Department of Medicinal Chemistry
- College of Pharmaceutical Sciences
- Soochow University
- Suzhou 215123
- China
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10
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Chapuis C, Skuy D, de Saint Laumer JY, Brauchli R. endo/exo stereoselectivity in Diels-Alder reactions of α,β-dialkylated conjugated enals to cyclic 1,3-dienes: intermediates in the synthesis of (-)-β-santalol and its analogs. Chem Biodivers 2014; 11:1470-516. [PMID: 25329781 DOI: 10.1002/cbdv.201400060] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Indexed: 11/10/2022]
Abstract
Highly exo-selective [4+2] cycloadditions of cyclopenta-1,3-diene 2a to α,β-dialkyl conjugated enals 5 are compared with the analogous endo-favored Diels-Alder reaction of cyclohexa-1,3-diene 7. The exo-stereoselectivity is lower in the homologous case of methylcyclopenta-1,3-diene 9. This diastereoselectivity is discussed either in terms of a retro-homo-Diels-Alder reaction, associated with thermodynamic control, or with respect to either a competing hetero-Diels-Alder/Claisen or Cope domino pathway, or retro-Claisen/retro-hetero-Diels-Alder of the endo-homo-cycloadducts. These hypothetical mechanisms have been examined by DFT calculations at the MPW1K(CH2 Cl2 )/6-31+G** level of theory for the AlCl3 -mediated cycloadditions of 5d to 2a and 7. Application of Corey's methodology to the γ-halogeno-α-methyl-substituted dienophiles 5a and 5b allowed an enantioselective preparation of known and useful intermediates for the synthesis of either the naturally occurring (-)-β-santalol or its potentially olfactive structural analogs.
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Affiliation(s)
- Christian Chapuis
- Firmenich SA, Synthesis Department, Corporate R & D Division, P. O. Box 239, CH-1211 Geneva 8, (phone: +41-22-7803610; fax: +41-22-7803334).
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11
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Woo KW, Han JY, Suh WS, Lee JH, Lee KR. Two New Chemical Constituents from Leaves of Perilla frutescens var. acuta. B KOREAN CHEM SOC 2014. [DOI: 10.5012/bkcs.2014.35.7.2151] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Lim HJ, Woo KW, Lee KR, Lee SK, Kim HP. Inhibition of Proinflammatory Cytokine Generation in Lung Inflammation by the Leaves of Perilla frutescens and Its Constituents. Biomol Ther (Seoul) 2014; 22:62-7. [PMID: 24596623 PMCID: PMC3936423 DOI: 10.4062/biomolther.2013.088] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 12/11/2013] [Accepted: 12/16/2013] [Indexed: 11/30/2022] Open
Abstract
This study was designed to find some potential natural products and/or constituents inhibiting proinflammatory cytokine generation in lung inflammation, since cytokines such as tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) are pivotal for provoking airway inflammation. In our preliminary screening procedure, the 70% ethanol extract of the leaves of Perilla frutescens (PFE) was found to clearly inhibit TNF-α production in the lung at 100 mg/kg, after intranasal lipopolysaccharide treatment of mice. Based on this result, ten constituents including phenylpropanoids (allyltetramethoxybenzene, caffeic acid, dillapiole, elemicin, myristicin, nothoapiole, rosmarinic acid methyl ester, rosmarinic acid) and monoterpenes (perilla aldehyde and perilla ketone) were successfully isolated from the extract. Among them, elemicin and myristicin were found for the first time to concentration-dependently inhibit IL-1β-treated IL-6 production from lung alveolar epithelial cells (A549) at concentrations of 10-100 μM. These findings suggest that the phenylpropanoids including elemicin and myristicin have the potential to be new inhibitory agents against lung inflammation and they may contribute, at least in part, to the inhibitory activity of PFE on the lung inflammatory response.
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Affiliation(s)
- Hun Jai Lim
- College of Pharmacy, Kangwon National University, Chunchon 200-701
| | - Kyeong Wan Woo
- College of Pharmacy, Sungkyunkwan University, Suwon 440-746
| | - Kang Ro Lee
- College of Pharmacy, Sungkyunkwan University, Suwon 440-746
| | - Sang Kook Lee
- College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Hyun Pyo Kim
- College of Pharmacy, Kangwon National University, Chunchon 200-701
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Zou Y, Ding C, Zhou L, Li Z, Wang Q, Schoenebeck F, Goeke A. Tandem Cross-Dimerisation/Oxonia-Cope Reaction of Carbonyl Compounds to Homoallylic Esters and Lactones. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201200425] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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14
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Zou Y, Ding C, Zhou L, Li Z, Wang Q, Schoenebeck F, Goeke A. Tandem cross-dimerisation/oxonia-cope reaction of carbonyl compounds to homoallylic esters and lactones. Angew Chem Int Ed Engl 2012; 51:5647-51. [PMID: 22539267 DOI: 10.1002/anie.201200425] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Indexed: 11/10/2022]
Affiliation(s)
- Yue Zou
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, PR China
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15
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Wang G, Zou Y, Li Z, Wang Q, Goeke A. Cationic Gold(I)-Catalyzed Intermolecular [4+2] Cycloaddition between Dienes and Allenyl Ethers. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201000597] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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16
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Hong BC, Nimje RY, Lin CW, Liao JH. Enantioselective Organocatalytic Michael−Wittig−Michael−Michael Reaction: Dichotomous Construction of Pentasubstituted Cyclopentanecarbaldehydes and Pentasubstituted Cyclohexanecarbaldehydes. Org Lett 2011; 13:1278-81. [DOI: 10.1021/ol1030487] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bor-Cherng Hong
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi, 621, Taiwan, R.O.C
| | - Roshan Y. Nimje
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi, 621, Taiwan, R.O.C
| | - Cheng-Wei Lin
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi, 621, Taiwan, R.O.C
| | - Ju-Hsiou Liao
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi, 621, Taiwan, R.O.C
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17
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Yao W, Pan L, Wu Y, Ma C. Asymmetric Synthesis of Spiro-3,4-dihydropyrans via a Domino Organocatalytic Sequence. Org Lett 2010; 12:2422-5. [DOI: 10.1021/ol1007873] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Weijun Yao
- Department of Chemistry, Zhejiang University, 20 Yugu Road, Hangzhou 310027, People’s Republic of China
| | - Lianjie Pan
- Department of Chemistry, Zhejiang University, 20 Yugu Road, Hangzhou 310027, People’s Republic of China
| | - Yihua Wu
- Department of Chemistry, Zhejiang University, 20 Yugu Road, Hangzhou 310027, People’s Republic of China
| | - Cheng Ma
- Department of Chemistry, Zhejiang University, 20 Yugu Road, Hangzhou 310027, People’s Republic of China
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Bañuelos P, García JM, Gómez-Bengoa E, Herrero A, Odriozola JM, Oiarbide M, Palomo C, Razkin J. (1R)-(+)-Camphor and Acetone Derived α′-Hydroxy Enones in Asymmetric Diels−Alder Reaction: Catalytic Activation by Lewis and Brønsted Acids, Substrate Scope, Applications in Syntheses, and Mechanistic Studies. J Org Chem 2010; 75:1458-73. [DOI: 10.1021/jo9023039] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Patricia Bañuelos
- Departamento de Química Aplicada, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain
| | - Jesús M. García
- Departamento de Química Aplicada, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain
| | - Enrique Gómez-Bengoa
- Contribution from Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, 20080 San Sebastián, Spain
| | - Ada Herrero
- Departamento de Química Aplicada, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain
| | - José M. Odriozola
- Departamento de Química Aplicada, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain
| | - Mikel Oiarbide
- Contribution from Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, 20080 San Sebastián, Spain
| | - Claudio Palomo
- Contribution from Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, 20080 San Sebastián, Spain
| | - Jesús Razkin
- Departamento de Química Aplicada, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain
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Xu DQ, Xia AB, Luo SP, Tang J, Zhang S, Jiang JR, Xu ZY. In Situ Enamine Activation in Aqueous Salt Solutions: Highly Efficient Asymmetric Organocatalytic Diels-Alder Reaction of Cyclohexenones with Nitroolefins. Angew Chem Int Ed Engl 2009; 48:3821-4. [DOI: 10.1002/anie.200900269] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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20
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Xu DQ, Xia AB, Luo SP, Tang J, Zhang S, Jiang JR, Xu ZY. In Situ Enamine Activation in Aqueous Salt Solutions: Highly Efficient Asymmetric Organocatalytic Diels-Alder Reaction of Cyclohexenones with Nitroolefins. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200900269] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Komagawa S, Takeuchi K, Sotome I, Azumaya I, Masu H, Yamasaki R, Saito S. Synthesis of Vinylcycloheptadienes by the Nickel-Catalyzed Three-Component [3 + 2 + 2] Cocyclization. Application to the Synthesis of Polycyclic Compounds. J Org Chem 2009; 74:3323-9. [DOI: 10.1021/jo900189g] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shinsuke Komagawa
- Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku, Tokyo 162-8601, Japan, and Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa 769-2193, Japan
| | - Kouhei Takeuchi
- Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku, Tokyo 162-8601, Japan, and Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa 769-2193, Japan
| | - Ikuo Sotome
- Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku, Tokyo 162-8601, Japan, and Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa 769-2193, Japan
| | - Isao Azumaya
- Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku, Tokyo 162-8601, Japan, and Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa 769-2193, Japan
| | - Hyuma Masu
- Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku, Tokyo 162-8601, Japan, and Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa 769-2193, Japan
| | - Ryu Yamasaki
- Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku, Tokyo 162-8601, Japan, and Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa 769-2193, Japan
| | - Shinichi Saito
- Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku, Tokyo 162-8601, Japan, and Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa 769-2193, Japan
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