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Metal promoted synthesis of heterocycles from heteroacyclic compounds

โœ Scribed by Yoshinori Yamamoto

Book ID
102342406
Publisher
Journal of Heterocyclic Chemistry
Year
1999
Tongue
English
Weight
465 KB
Volume
36
Category
Article
ISSN
0022-152X

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โœฆ Synopsis

Abstract

New synthetic methods, based upon metal mediated or catalyzed Cโ€C/Cโ€O/Cโ€N bond formation, for heterocycles and their application to natural product syntheis are described.

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โœ Meng-Yang Chang; Chung-Han Lin; Yeh-Long Chen; Ru-Ting Hsu; Ching-Yao Chang ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 1008 KB

An easy and straightforward synthesis of spiroindenyl heterocycles by the repeated treatment of boron trifluoride etherate (BF 3 -OEt 2 ) is reported. The overall transformation from ketones 1 to spiro-fused indenes 3 proceeds via Wittig olefination, deconjugation, Grignard addition, and intramolecu