Liu CH, Yu ZX. Rh-catalysed [5 + 1] cycloaddition of allenylcyclopropanes and CO: reaction development and application to the formal synthesis of (−)-galanthamine.
Org Biomol Chem 2016;
14:5945-50. [DOI:
10.1039/c6ob00660d]
[Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A Rh-catalyzed [5 + 1] cycloaddition of allenylcyclopropanes and CO has been developed to synthesize functionalized 2-methylidene-3,4-cyclohexenones. This cycloaddition reaction has been utilized as a key step in the formal synthesis of natural product (−)-galanthamine.
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