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Vil' VA, Gorlov ES, Yu B, Terent'ev AO. Oxidative α-acyloxylation of acetals with cyclic diacyl peroxides. Org Chem Front 2021. [DOI: 10.1039/d1qo00494h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Selective functionalization of the non-activated acetal α-position with formal retaining of the acetal fragment was realized using cyclic diacyl peroxides.
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Affiliation(s)
- Vera A. Vil'
- N. D. Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
- Russian Federation
- All-Russian Research Institute for Phytopathology B. Vyazyomy
| | - Evgenii S. Gorlov
- N. D. Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
- Russian Federation
| | - Bing Yu
- Green Catalysis Center
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Alexander O. Terent'ev
- N. D. Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- Moscow
- Russian Federation
- All-Russian Research Institute for Phytopathology B. Vyazyomy
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2
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Cao YM, Lentz D, Christmann M. Synthesis of Enantioenriched Bromohydrins via Divergent Reactions of Racemic Intermediates from Anchimeric Oxygen Borrowing. J Am Chem Soc 2018; 140:10677-10681. [PMID: 30099869 DOI: 10.1021/jacs.8b06432] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We report a chiral phosphoric acid catalyzed bromocyclization/regiodivergent reaction of racemic intermediates sequence, which is enabled by anchimeric oxygen borrowing. Different types of alkenes are applicable, and both enantiomers of the bromohydrin products were obtained in generally excellent yields and enantioselectivities. In addition, an example of enantioconvergent synthesis from the two isomeric products is presented.
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Affiliation(s)
- Yi-Ming Cao
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustraße 3 , 14195 Berlin , Germany
| | - Dieter Lentz
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustraße 3 , 14195 Berlin , Germany
| | - Mathias Christmann
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustraße 3 , 14195 Berlin , Germany
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3
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Yasukawa N, Asai S, Kato M, Monguchi Y, Sajiki H, Sawama Y. Palladium on Carbon-Catalyzed Chemoselective Oxygen Oxidation of Aromatic Acetals. Org Lett 2016; 18:5604-5607. [DOI: 10.1021/acs.orglett.6b02833] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Naoki Yasukawa
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Shota Asai
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Maho Kato
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Yasunari Monguchi
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
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Meng SS, Liang Y, Cao KS, Zou L, Lin XB, Yang H, Houk KN, Zheng WH. Chiral Phosphoric Acid Catalyzed Highly Enantioselective Desymmetrization of 2-Substituted and 2,2-Disubstituted 1,3-Diols via Oxidative Cleavage of Benzylidene Acetals. J Am Chem Soc 2014; 136:12249-52. [DOI: 10.1021/ja507332x] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Shan-Shui Meng
- State
Key Laboratory of Coordination Chemistry, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Yong Liang
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Kou-Sen Cao
- State
Key Laboratory of Coordination Chemistry, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Lufeng Zou
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Xing-Bang Lin
- State
Key Laboratory of Coordination Chemistry, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Hui Yang
- State
Key Laboratory of Coordination Chemistry, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - K. N. Houk
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Wen-Hua Zheng
- State
Key Laboratory of Coordination Chemistry, School of Chemistry and
Chemical Engineering, Nanjing University, Nanjing, 210093, China
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Alberch L, Cheng G, Seo SK, Li X, Boulineau FP, Wei A. Stereoelectronic factors in the stereoselective epoxidation of glycals and 4-deoxypentenosides. J Org Chem 2011; 76:2532-47. [PMID: 21417287 PMCID: PMC3074037 DOI: 10.1021/jo102382r] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Glycals and 4-deoxypentenosides (4-DPs), unsaturated pyranosides with similar structures and reactivity profiles, can exhibit a high degree of stereoselectivity upon epoxidation with dimethyldioxirane (DMDO). In most cases, the glycals and their corresponding 4-DP isosteres share the same facioselectivity, implying that the pyran substituents are largely responsible for the stereodirecting effect. Fully substituted dihydropyrans are subject to a "majority rule", in which the epoxidation is directed toward the face opposite to two of the three groups. Removing one of the substituents has a variable effect on the epoxidation outcome, depending on its position and also on the relative stereochemistry of the remaining two groups. Overall, we observe that the greatest loss in facioselectivity for glycals and 4-DPs is caused by removal of the C3 oxygen, followed by the C5/anomeric substituent, and least of all by the C4/C2 oxygen. DFT calculations based on polarized-π frontier molecular orbital (PPFMO) theory support a stereoelectronic role for the oxygen substituents in 4-DP facioselectivity, but less clearly so in the case of glycals. We conclude that the anomeric oxygen in 4-DPs contributes toward a stereoelectronic bias in facioselectivity whereas the C5 alkoxymethyl in glycals imparts a steric bias, which at times can compete with the stereodirecting effects from the other oxygen substituents.
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Affiliation(s)
- Laura Alberch
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907-2084
| | - Gang Cheng
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907-2084
| | - Seung-Kee Seo
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907-2084
| | - Xuehua Li
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907-2084
| | - Fabien P. Boulineau
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907-2084
| | - Alexander Wei
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907-2084
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Maegawa T, Otake K, Goto A, Fujioka H. Direct conversion of acetals to esters with high regioselectivity via O,P-acetals. Org Biomol Chem 2011; 9:5648-51. [DOI: 10.1039/c1ob05687e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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8
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Stévenin A, Boyer FD, Beau JM. Regioselective Control in the Oxidative Cleavage of 4,6-O-Benzylidene Acetals of Glycopyranosides by Dimethyldioxirane. J Org Chem 2010; 75:1783-6. [DOI: 10.1021/jo9026098] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Arnaud Stévenin
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS
| | | | - Jean-Marie Beau
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS
- Université Paris-Sud, Institut de Chimie Moléculaire et des Matériaux associé au CNRS, F-91405 Orsay Cedex, France
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