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Methods for stereospecific synthesis of cis or trans hydrindanones

โœ Scribed by E.J. Corey; T.A. Engler

Publisher
Elsevier Science
Year
1984
Tongue
French
Weight
202 KB
Volume
25
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Methods are described for the stereospecific conversion of hydrindenone 2 either to the corresponding trans fused or cis fused hydrindanone (1 or 2, respectively.

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An efficient and versatile method for the stereospecific construction of a,v-cisand a,v-trans-disubstituted oxepane skeletons is described. Cyclization of the hydroxy epoxides promoted by a (Bu 3 Sn) 2 O/ Zn(OTf) 2 system proceeded via an S N 2 process and exo mode selectivity regardless of the conf