2-(3-HYDROXY-3-OPTIONALLY ALKYLATED-1-ALKYNYL)-3-HYDROXY-5-OXO-CYCLOPENTENE-1-ALKANOIC ACIDS,DERIVATIVES THEREOF AND PROCESS

摘要

Cpds. are of formula (I): (where R is H or 1-7 C alkyl; R1 is H or 1-7 C alkyl; X = CO or CHOH; n is 1-6 and m is 6 or 7; provided that when X is CO, m is 6 and n is 4, then R1 is other than H).