Unique Strategy for the Assembly of the Carbon Skeleton of Guanacastepene A Using an Allenic Pauson−Khand-Type Reaction

Autor:	Brummond, K. M., Gao, D.
Zdroj:	Organic Letters; September 2003, Vol. 5 Issue: 19 p3491-3494, 4p
Abstrakt:	An approach to the highly functionalized tricyclic core of guanacastepene A has been developed using a rhodium(I)-catalyzed allenic Pauson−Khand reaction. This approach constitutes a conceptually novel strategy for the synthesis of this tricyclic framework, whereby the six-membered ring is formed intially followed by simultaneous formation of the five- and seven-membered rings.
Databáze:	Supplemental Index
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