Preparation of 1H-Benzo (2,1,3)thiadiazine-3,4-dihydro-2,2-dioxi

Details Preparation of 1H-Benzo (2,1,3)thiadiazine-3,4-dihydro-2,2-dioxi Preparation of 1H-Benzo (2,1,3)thiadiazine-3,4-dihydro-2,2-dioxi

1978-12-15

1980-02-19

Ford, John M.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D28516

Patent

active

041895720

ABSTRACT:
1-H-2,1,3-benzothiadiazine-3,4-dihydro-2,2-dioxides are prepared by the reaction of trioxane with N-aryl N'-alkylsulfamides in an organic solvent containing a sulfonic acid at -20.degree. to 80.degree. C.

REFERENCES:
patent: 3278532 (1966-10-01), Houlihan
Wright, J. Org. Chem., vol. 30, pp. 3960-3962, (1965).
Knollmuller, Monatsh. Chem., vol. 102, pp. 1055-1071, (1971).
Knollmuller, Monatsh. Chem., vol. 101, pp. 1443-1453, (1970).

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