作者:A.I.A. Broess、M.B. Groen、H. Hamersma
DOI:10.1016/s0960-894x(97)10113-5
日期:1997.12
11,13-Ethanopregnanes were prepared to assess the influence of the bending of the steroid skeleton on progestagenic activity. It was demonstrated that, contrary to previous assumptions, upward bending of the A ring has little overall effect on the activity. (C) 1997 Elsevier Science Ltd.