Datta PK, Yau C, Hooper TS, Yvon BL, Charlton JL. Acid-catalyzed cyclization of 2,3-dibenzylidenesuccinates: synthesis of lignans (+/-)-cagayanin and (+/-)-galbulin.
J Org Chem 2001;
66:8606-11. [PMID:
11735544 DOI:
10.1021/jo0161025]
[Citation(s) in RCA: 46] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Acid-catalyzed cyclizations of E,E-dibenzylidenesuccinate esters have been developed as an efficient synthetic route to 1-aryl-1,2-dihydronaphthalenes. This reaction has been used in the synthesis of the naturally occurring lignans (+/-)-cagayanin and (+/-)-galbulin.
Collapse