SYNTHESIS AND STEREOCHEMISTRY OF AN OPTICALLY-ACTIVE SELENONIUM YLIDE - X-RAY MOLECULAR-STRUCTURE OF (+)SE-(4'-[(-)-MENTHYLOXYCARBONYL]PHENYL)(METHYL)SELENONIUM 4,4-DIMETHYL-2,6-DIOXOCYCLOHEXYLIDE

被引：40

作者：

KAMIGATA, N

NAKAMURA, Y

KIKUCHI, K

IKEMOTO, I

SHIMIZU, T

MATSUYAMA, H

机构：

[1] Department of Chemistry, Faculty of Science, Tokyo Metropolitan University, Minami-osawa, Hachioji

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1992年 / 13期

关键词：

D O I：

10.1039/p19920001721

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Fractional recrystallization of diastereoisomeric {4'-[(-)-menthyloxycarbonyl]phenyl}(methyl)-selenonium selenonium 4,4-dimethyl-2,6-dioxocyclohexylide from hexane-diethyl ether gave the optically pure (+)-selenonium ylide as stable crystals. The absolute configuration around the selenium atom was determined to be R by X-ray crystallographic analysis. The epimerization of the optically active selenonium ylide by pyramidal inversion was studied.

引用

页码：1721 / 1728

页数：8

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