PROCESS FOR PREPARING INTERMEDIATE PRODUCTS FOR THE PRODUCTION OF 16-PHENOXY- AND 16-(SUBSTITUTED PHENOXY)-PROSTATRIENE ACID-DERIVATIVES

摘要

The compound of the Formula I CHEM wherein R1 and R2 are hydrogen or an ether forming group; and X is hydrogen, halo, trifluoromethyl, lower alkyl or lower alkoxy. These compounds are useful intermediates for aking PGE and PGF derivatives having an allenic function.