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The influence of chiral auxiliaries is enhanced within zeolites

TitleThe influence of chiral auxiliaries is enhanced within zeolites
Publication TypeJournal Article
Year of Publication2000
AuthorsJayaraman, S, Uppili, S, Natarajan, A, Joy, A, Chong, KCW, Netherton, MR, Zenova, A, Scheffer, JR, Ramamurthy, V
JournalTetrahedron Letters
Volume41
Pagination8231-8235
Date PublishedOct
Type of ArticleArticle
ISBN Number0040-4039
KeywordsASYMMETRIC PHOTOCHEMICAL-REACTIONS, ESTERS, INDUCTION, MODEL, SOLID-STATE
Abstract

Zeolites significantly enhance the influence of chiral auxiliaries during photochemical reactions. The generality of this phenomenon has been tested with three independent examples. Chiral auxiliaries that lead to 1:1 mixtures of diastereomers in solution give products in up to 80% diastereomeric excess in the presence of faujasite type zeolites. (C) 2000 Elsevier Science Ltd. All rights reserved.

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