Process for the preparation of 3-hydrazino-1,2-benz-isothiazole

Details Process for the preparation of 3-hydrazino-1,2-benz-isothiazole Process for the preparation of 3-hydrazino-1,2-benz-isothiazole

1985-02-28

1987-05-19

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548210, 548207, C07D27506

Patent

active

046670416

ABSTRACT:
A process for the preparation of a 3-hydrazino-1, 2-benzisothiazole 1,1-dioxide of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is hydrogen, alkyl, halogen, amino, hydroxyl or carboxyl, and

REFERENCES:
patent: 3755512 (1973-08-01), Bayer et al.
patent: 4140693 (1979-02-01), Wade et al.
patent: 4174442 (1979-11-01), Wade et al.
patent: 4178451 (1979-12-01), Wade et al.
H. Bohme et al., Zeitschrift fur Analytische Chemie 139, 255 et seq. (1953).
E. Schrader, Prakt. Chemie 95, 312-326 (1917).
Bakre, et al., "Reaction of Hydrazine Hydrate on Some Counarins", Indian J. Chem. 20B, pp. 614-615 (1981).
Sharma, et al., Reactions of Hydrazine Hydrate with Phenacyl Bromide," Indian J. Chem. 9, pp. 794-795 (1971).

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