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Base-Mediated Claisen Rearrangement of CF 3-Containing Bisallyl Ethers. Molecules 2021; 26:molecules26144365. [PMID: 34299639 PMCID: PMC8304132 DOI: 10.3390/molecules26144365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/05/2021] [Accepted: 07/14/2021] [Indexed: 11/27/2022] Open
Abstract
We have previously clarified that the strongly electron-withdrawing CF3 group nicely affected the base-mediated proton shift of CF3-containing propargylic or allylic alcohols to afford the corresponding α,β-unsaturated or saturated ketones, respectively, which was applied this time to the Claisen rearrangement after O-allylation of the allylic alcohols with a CF3 group, followed by isomerization to the corresponding allyl vinyl ethers via the proton shift, enabling the desired rearrangement in a tandem fashion, or in a stepwise manner, the latter of which was proved to have attained an excellent diastereoselectivity with the aid of a palladium catalyst.
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Yamazaki T, Taketsugi M, Kawasaki-Takasuka T, Agou T, Kubota T. Construction of CF 3-Containing Quaternary Chiral Centers via Michael Addition Reactions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Takashi Yamazaki
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei, Tokyo 184-8588, Japan
| | - Masahito Taketsugi
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei, Tokyo 184-8588, Japan
| | - Tomoko Kawasaki-Takasuka
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei, Tokyo 184-8588, Japan
| | - Tomohiro Agou
- Department of Quantum Beam Science, Graduate School of Science and Engineering, Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
| | - Toshio Kubota
- Department of Quantum Beam Science, Graduate School of Science and Engineering, Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
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Ishikawa T, Kawasaki-Takasuka T, Kubota T, Yamazaki T. Diastereoselective Mannich reactions of pseudo- C2-symmetric glutarimide with activated imines. Beilstein J Org Chem 2017; 13:2473-2477. [PMID: 29234474 PMCID: PMC5704755 DOI: 10.3762/bjoc.13.244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 11/09/2017] [Indexed: 11/23/2022] Open
Abstract
As an extension of the boron enolate-based aldol reactions, the oxazolidinone-installed bisimide 1a from 3-(trifluoromethyl)glutaric acid was employed for Mannich reactions with tosylated imines 2 as electrophiles to successfully obtain the corresponding adducts in a stereoselective manner.
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Affiliation(s)
- Tatsuya Ishikawa
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan
| | - Tomoko Kawasaki-Takasuka
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan
| | - Toshio Kubota
- Department of Biomolecular Functional Engineering, Ibaraki University, Nakanarusawa 4-12-1, Hitachi 316-8511, Japan
| | - Takashi Yamazaki
- Division of Applied Chemistry, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei 184-8588, Japan
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Morigaki A, Kawamura M, Arimitsu S, Ishihara T, Konno T. Application of Tertiary Amines Synthesized by Catalytic Dehydrogenation of Enamines as Nucleophilic C2Synthons for 1,4-Conjugate Addition with Fluoroalkylated Olefins. ASIAN J ORG CHEM 2013. [DOI: 10.1002/ajoc.201300007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Morigaki A, Tsukade K, Arimitsu S, Konno T, Kubota T. Unusual annulation reaction of electron-deficient alkenes with enamines: an easy access to stereocontrolled 4-fluoroalkylated 3,4-dihydro-2H-pyrans. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.12.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Morigaki A, Tanaka T, Miyabe T, Ishihara T, Konno T. Rhodium(i)-catalyzed 1,4-conjugate arylation toward β-fluoroalkylated electron-deficient alkenes: a new entry to a construction of a tertiary carbon center possessing a fluoroalkyl group. Org Biomol Chem 2013. [DOI: 10.1039/c2ob26708j] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Konno T, Yamada S, Tani A, Nishida M, Miyabe T, Ishihara T. Unexpected high regiocontrol in Heck reaction of fluorine-containing electron-deficient olefins—Highly regio- and stereoselective synthesis of β-fluoroalkyl-α-aryl-α,β-unsaturated ketones. J Fluor Chem 2009. [DOI: 10.1016/j.jfluchem.2009.07.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Konno T, Tanaka T, Miyabe T, Morigaki A, Ishihara T. A first high enantiocontrol of an asymmetric tertiary carbon center attached with a fluoroalkyl group via Rh(I)-catalyzed conjugate addition reaction. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.01.122] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Bennasar ML, Zulaica E, Alonso Y, Vidal B, Vázquez JT, Bosch J. Addition of chiral enolates to N-alkyl-3-acylpyridinium salts. Total synthesis of (+)-16-epivinoxine and (−)-vinoxine. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s0957-4166(02)00055-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Yamazaki T, Shinohara N, Kitazume T, Sato S. Michael addition of organocopper species to 3-[(E)-4,4,4-trifluorobut-2-enoyl]oxazolidin-2-ones. J Fluor Chem 1999. [DOI: 10.1016/s0022-1139(99)00034-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Stereoselective synthesis of trifluoromethylated compounds via Johnson-Claisen and Eshenmoser-Claisen rearrangements. J Fluor Chem 1997. [DOI: 10.1016/s0022-1139(97)00049-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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Bernardi A, Karamfilova K, Sanguinetti S, Scolastico C. Enantioselective conjugate additions of silylketene acetals to 2-carboxycyclopentenones promoted by chiral Ti complexes. Tetrahedron 1997. [DOI: 10.1016/s0040-4020(97)00825-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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15
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Kitazume T, Shibano H. Synthesis of (αR, 6R or 6S)-N-(α-methylbenzyl)-6-difluoromethyl-4- hydroxy-4- (4-chlorophenyl) piperidines. J Fluor Chem 1997. [DOI: 10.1016/s0022-1139(97)00004-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Konno T, Umetani H, Kitazume T. Highly Stereoselective Synthesis of Trifluoromethylated Compounds via Ester-Enolate [2,3]-Wittig and [3,3]-Ireland-Claisen Rearrangements. J Org Chem 1997; 62:137-150. [PMID: 11671375 DOI: 10.1021/jo961246i] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
gamma-Trifluoromethylated propargylic alcohols have been obtained in optically pure forms via effective enzymatic kinetic resolution and then converted into (E)- or (Z)-allylic alcohols. [2,3]-Wittig rearrangement of the corresponding [[gamma-(trifluoromethyl)allyl]oxy]acetic acid methyl esters afforded alpha-hydroxy-beta-(trifluoromethyl)-gamma,delta-unsaturated carboxylic acid methyl esters in good yields. The rearrangement of (Z)-substrates proceeded in a highly stereoselective manner to give anti-isomers with E configuration at a newly created olefinic bond via complete chirality transfer. (E)-Substrates, however, showed relatively low stereoselectivities resulting in mixtures of syn- and anti-products. The trifluoromethylated allylic alcohols were also converted into the corresponding alpha-methoxyacetic acid gamma-(trifluoromethyl)allyl esters and evaluated as substrates for [3,3]-Ireland-Claisen rearrangement. (E)-Substrates were efficiently transformed into syn-products while (Z)-substrates exhibited relatively low stereoselectivities. The two complementary methods provide facile routes to highly functionalized trifluoromethyl-containing molecules with a high degree of stereocontrol.
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Affiliation(s)
- Tsutomu Konno
- Department of Bioengineering, Tokyo Institute of Technology, Nagatsuta, Midori-ku, Yokohama, 226, Japan
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Tsuge H, Takumi K, Nagai T, Okano' T, Eguchi S, Kimoto H. Highly diastereoselective michael addition to optically active trifluoromethylated α,β-unsaturated sulfonamides based on their hinge-like conformation. Tetrahedron 1997. [DOI: 10.1016/s0040-4020(96)01065-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Konno T, Kitazume T. Synthesis of trifluoromethylated compounds with four consecutive asymmetric centers via sequential [3,3]-Ireland-Claisen rearrangement and iodolactonization. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0957-4166(96)00492-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Kanemasa S, Nomura M, Yoshinaga S, Yamamoto H. High enantiocontrol of michael additions by use of 2:2-dimethyloxazolidine chiral auxiliaries. Exclusively ul,lk-1,4-inductive michael additions of the lithium (z)-enolate of (s)-4-benzyl-2,2,5,5-tetramethyl-3-propanoyl-oxazolidine to α,β-unsaturated esters. Tetrahedron 1995. [DOI: 10.1016/0040-4020(95)00623-g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Taguchi T, Shibuya A, Sasaki H, Endo JI, Morikawa T, Shiro M. Asymmetric synthesis of difluorocyclopropanes. ACTA ACUST UNITED AC 1994. [DOI: 10.1016/0957-4166(94)80101-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kitazume T, Murata K, Okabe A, Takahashi Y, Yamazaki T. A highly stereocontrolled synthetic approach to 1,6-dideoxy-6,6-difluoroazasugar derivatives. ACTA ACUST UNITED AC 1994. [DOI: 10.1016/0957-4166(94)80053-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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23
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Nomura M, Kanemasa S. Michael additions of the lithium enolates of α-heterosubstituted esters and amides to a chiral α,β-unsaturated carbonyl acceptor, ethyl (E-3-[(S)-2,2-Dimethyl-1,3-dioxolan-4-yl]propenoate. High stereoselection and chiral induction. Tetrahedron Lett 1994. [DOI: 10.1016/0040-4039(94)88185-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Reversal of stereoselectivity in the Evans aldol reaction of α,α-difluoro and α,α,α-trifluoro carbonyl compounds. Tetrahedron Lett 1993. [DOI: 10.1016/s0040-4039(00)61475-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Yamazaki T, Mizutani K, Kitazume T. Preparation of 6-deoxy-6,6,6-trifluoro-D-mannose and D-allose from enzymatically resolved 2-butenolides. ACTA ACUST UNITED AC 1993. [DOI: 10.1016/s0957-4166(00)80154-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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