申请人:BASF Aktiengesellschaft
公开号:US04122090A1
公开(公告)日:1978-10-24
Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide and of the corresponding cyclopentadienone compound, and their manufacture. The compounds can be used as "solid forms" of phosgene, thiophosgene or oxalyl chloride, or as acyl transfer agents.
3,4-二羟基噻吩-1,1-二氧化物和相应的环戊二烯酮化合物的环酯及其制备方法。这些化合物可用作光气、硫代光气或草酰氯的“固态形式”,或作为酰基转移试剂。