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Silver-Catalyzed Cyclization of Acetylenic Alcohols: Synthesis of Functionalized 2-Methylene-oxolanes

✍ Scribed by Patrick Pale; Josselin Chuche

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 287 KB
Volume: 2000
Category: Article
ISSN: 1434-193X
DOI: 10.1002/(sici)1099-0690(200003)2000:6<1019::aid-ejoc1019>3.0.co;2-4

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✦ Synopsis

Silver salts which have a basic counter-ion are efficient catalysts for the regiospecific intramolecular addition of various acetylenic alcohols. Silver carbonate in aromatic solvent proved to be the best catalyst. Alkynols in which the two reacting parts of the molecule are relatively close together in Scheme

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