Abstract
The bicyclic core ( 3) of the sesquiterpene neoliacinic acid ( 1) has been constructed in a stereoselective manner by [2,3]-sigmatropic ring-expansion of an oxonium ylide generated catalytically from the α-diazo ketone 4.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have