Cheng B, Sunderhaus JD, Martin SF. Concise total synthesis of (+/-)-pseudotabersonine via double ring-closing metathesis strategy.
Org Lett 2010;
12:3622-5. [PMID:
20704405 DOI:
10.1021/ol101356u]
[Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A concise synthesis of (+/-)-pseudotabersonine from commercially available 1-(phenylsulfonyl)-3-indolecarboxaldehyde has been accomplished. This synthesis features the convergent assembly of a key intermediate via a stepwise variant of a Mannich-type multicomponent coupling process, a double ring-closing metathesis, and a one-pot deprotection/cyclization reaction.
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