101053-26-3Relevant articles and documents
Total Synthesis of Optically Active 17β-t-Butoxy-3-methoxy-7α- or -7β-18-dimethyl-1,3,5(10)-estratriene
Cai, Zu-Yun,Ni, Yuan,Sun, Jen-Kon,Yu, Xin-Di,Wang, Yan-Qiu
, p. 1277 - 1278 (1985)
In the preparation of 7-methyl-19-nor-steroids, a new method for the synthesis of key intermediates (10), which involves alkylation of the CD ring fragment (4) and subsequent hydrogenation, cyclization, and hydrogenation is described.