Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide compounds a

Details Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide compounds a Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide compounds a

1977-05-31

1978-10-24

Siegel, A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2601125R, 260465R, 260553A, 260561R, 560129, 560155, C07D33348, C07C10352

Patent

active

041220900

ABSTRACT:
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.

REFERENCES:
patent: 3306912 (1967-02-01), Fritz et al.
patent: 3706769 (1972-12-01), Rosen et al.

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