Abstract
Abstract The asymmetric ring opening of meso-2,3-disubstituted oxiranes with thiols, aniline, and trimethylsilyl azide was studied by the use of metal(II) d-tartrates as heterogeneous chiral Lewis acid catalysts. The enantioselectivity varied widely with the combination of oxirane, nucleophile, and metal(II) d-tartrate, and Zn(II) d-tartrate gave the best enantioselectivity in the respective reactions of 1,2-epoxycyclohexane with 1-butanethiol, aniline, and trimethylsilyl azide to afford the corresponding adducts in 85, 58, and 42% ee, respectively. Furthermore, the kinetic resolution of racemic oxiranes with thiols catalyzed by Zn(II) d-tartrate was studied.
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Dates
Type | When |
---|---|
Created | 19 years ago (July 25, 2006, 5:50 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 18, 2024, 12:40 a.m.) |
Indexed | 2 weeks, 1 day ago (Aug. 7, 2025, 4:59 p.m.) |
Issued | 37 years, 4 months ago (April 1, 1988) |
Published | 37 years, 4 months ago (April 1, 1988) |
Published Online | 19 years, 1 month ago (June 27, 2006) |
Published Print | 37 years, 4 months ago (April 1, 1988) |
@article{Yamashita_1988, title={Metal(II) d-Tartrates Catalyzed Asymmetric Ring Opening of Oxiranes with Various Nucleophiles}, volume={61}, ISSN={1348-0634}, url={http://dx.doi.org/10.1246/bcsj.61.1213}, DOI={10.1246/bcsj.61.1213}, number={4}, journal={Bulletin of the Chemical Society of Japan}, publisher={Oxford University Press (OUP)}, author={Yamashita, Hiroyuki}, year={1988}, month=apr, pages={1213–1220} }