Preparation of 1-cyano-2,1,3-benzothiadiazinones

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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C07D28516

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042007437

ABSTRACT:
A process for the preparation of 1-cyano-2,1,3-benzothiadiazinone compounds by reacting a mixture of bromine and water with an inorganic cyanide and then with a salt of a 2,1,3-benzothiadiazin-4-one-2,2-dioxide and a base.

REFERENCES:
patent: 4158559 (1979-06-01), Stubenrauch et al.

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