Preparation of cyanoacetamide and 2,2...

Details Preparation of cyanoacetamide and 2,2... Preparation of cyanoacetamide and 2,2...

A - Human Necessities

01

N

260/555.6

A01N 37/34 (2006.01)

Patent

CA 1145360

ABSTRACT OF THE DISCLOSURE DBNPA (i.e. 2,2-dibromo-3-nitrilopropionamide is formed in situ by treating cyanoacetamide which may be formed in situ by reaction of an alkyl .alpha.-cyanoacetate with ammonia) in glycol with an appropriate mixture of bromine and an alkali metal bromate at about 10°C-40°C and stable antimicrobial compositions may then be prepared by incorporating in the resultant 2,2-dibromo-3-nitrilopro- pionamide-containing reaction mass an appropriate quantity of paraformaldehyde or equivalent satisfactory stabilizer at a suitably adjusted pH level. 28,311-F

363313

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