Process for heterocyclic sulfonyl chloride compounds

Details Process for heterocyclic sulfonyl chloride compounds Process for heterocyclic sulfonyl chloride compounds

1998-06-25

2000-12-19

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Pteroyl per se or having -c-, wherein x is chalcogen, bonded...

544 3, 544 14, 544179, 544180, 544224, 544200, 544450, 544484, 546 1, 546 28, 546184, 548100, 548122, 548250, 548255, 549 9, 549 13, 549 29, 549 88, 549 90, 549200, 504241, C07D48700, C07D20500, C07D21300, C07D29300, A01A 4390

Patent

active

061629154

ABSTRACT:
Chlorosulfonyl substituted aromatic heterocyclic compounds, such as 2-chlorosulfonyl[1,2,4]triazolo[1,5-c]pyrimidine compounds, were prepared in good yield by chloroxidation of di(aromatic heterocyclyl) disulfide compounds in a medium containing water, a water-immiscible organic solvent, and a phase transfer catalyst, such at tetrabutylammonium chloride.

REFERENCES:
patent: 5008396 (1991-04-01), Krauss
patent: 5488109 (1996-01-01), Olmstead et al.
H. J.-M. Dou et al., C. R. Academy of Sciences Paris, 284, 685-688 (1977).

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