Cobalt-mediated [2 + 2 + 2] cycloadditions en route to natural products: a novel total synthesis of steroids via the one-step construction of the B,C,D framework from an A-ring precursor
Cobalt-mediated [2 + 2 + 2] cycloadditions en route to natural products: a novel total synthesis of steroids via the one-step construction of the B,C,D framework from an A-ring precursor
作者:Ethan D. Sternberg、K. Peter C. Vollhardt
DOI:10.1021/jo00139a012
日期:1982.8
Cobalt-mediated total synthesis of steroids. The A .fwdarw. BCD approach by enediyne cyclization