Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Establishment of a new chemical pathway for the enantiospecific synthesis of steroids. a, Establishment of a synthesis pathway from optically active epichlorohydrin to an enantiodefined estrane by way of a metallacycle-mediated annulative cross-coupling and an acid-mediated vinylcyclopropane rearrangement cascade. b, Proposed mechanism for the metallacycle-mediated annulative cross-coupling reaction.
