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Synlett 2005(6): 0951-0954
DOI: 10.1055/s-2005-864836
DOI: 10.1055/s-2005-864836
LETTER
© Georg Thieme Verlag Stuttgart · New York
Annulations via Dianions: Formation of Five-, Six- and Seven-Membered Rings
Further Information
Received
18 January 2005
Publication Date:
23 March 2005 (online)
Publication History
Publication Date:
23 March 2005 (online)
Abstract
Phosphonium salts bearing an electron-withdrawing group at the γ-position form dianions that react with bis-electrophiles to generate five-, six-, and seven- membered rings.
Key words
dianions - bis-electrophiles - annulation
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