| abstract |
The present invention relates to a process for the preparation of pharmacologically active prostaglandin derivatives of the E, F or A series which have on the terminal methyl carbon of the α-chain a substituent from the group wherein R is an alkyl group and R 15 C, -C , -Alkyi, di-C, -C, -alkylamino, phenyl or phenyl, which is substituted by one or more Ci-C, alkyl, OR, SR, F or Cl substituents, wherein R is the above has meaning given. - formulas |