The formal total synthesis of (+/-)-strychnine via a cobalt-mediated [2+2+2]cycloaddition

Citation
Mj. Eichberg et al., The formal total synthesis of (+/-)-strychnine via a cobalt-mediated [2+2+2]cycloaddition, ORG LETT, 2(16), 2000, pp. 2479-2481
Citations number
28
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
ORGANIC LETTERS
ISSN journal
15237060 → ACNP
Volume
2
Issue
16
Year of publication
2000
Pages
2479 - 2481
Database
ISI
SICI code
1523-7060(20000810)2:16<2479:TFTSO(>2.0.ZU;2-8
Abstract
[GRAPHICS] A short, highly convergent total synthesis of racemic isostrychnine, and th us strychnine, has been completed. The route involves 14 steps in the longe st linear sequence and is highlighted by a cobalt mediated [2 + 2 + 2]cyclo addition of an alkynylindole nucleus to acetylene.