PROCESS FOR PRODUCING 2-OXO-OMEGA-ARALKYL-PHOSPHONIC ACID DIALKYL ESTERS

摘要

1446341 Silylated prostaglandins PFIZER Inc 13 July 1973 [13 July 1972] 31217/73 Heading C3S [Also in Division C2] 11α,15α - Bis - (dimethylisopropylsilyloxy)- 9 - oxo - 16 - (2 - thienyl) - 17,18,19,20 - tetranor - trans - 13 - prostenoic acid is prepared by hydrogenating 11α,15α - bis - (dimethylisopropylsilyloxy) - 9 - oxo - 16 - (2 - thienyl)- 17,18,19,20 - tetranor - cis - 5, trans - 13- prostadienoic acid, obtained by reacting dimethylisopropyl chlorosilane with 11α,15α- dihydroxy - 9 - oxo - 16 - (2 - thienyl) - 17,18, 19,20 - tetranor - cis - 5 trans - 13 - prostadienoic acid.