SYNTHESIS OF TETRACYCLINES AND INTERMEDIATES THERETO
申请人:Myers Andrew G.
公开号:US20120115818A1
公开(公告)日:2012-05-10
Efficient method for preparing the enone intermediate (VII) used in the synthesis of tetracyclines derivatives. In particular, the invention provides a synthesis which allows for substituents at positions 4
a
, 5, 5
a
, and 12
a
of the tetracycline ring system.