ESTERS CYCLIQUES DU 1-1-BIOXYDE DE 3,4-DIHYDROXY-THIAFENE ET DE LA 3,4-DIHYDROXY-CYCLOPENTADIENONE

摘要

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.