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ChemInform Abstract: Simple Synthetic Method of Allyl- and Vinyl-Epoxides by Allylation of Carbonyl Groups with Allylic Tins Catalyzed by PbI2—HMPA.

✍ Scribed by I. SHIBATA; S. FUKUOKA; A. BABA

Publisher: John Wiley and Sons
Year: 2010
Weight: 38 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199844109

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✦ Synopsis

Simple Synthetic Method of Allyl-and Vinyl-Epoxides by Allylation of Carbonyl Groups with Allylic Tins Catalyzed by PbI 2 -HMPA. -The PbI 2 -HMPA catalyzed chemoselective carbonyl-allylation in α-halo ketones to achieve one-pot preparation of allyl epoxides (III) is presented. Moreover a simple and effective method for the preparation of vinyl epoxides [cf. (VI), (VIII)] by reaction using γ-chloroallyltin is given. -(SHIBATA, I.;

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