Hydrolysis products of menazon
Journal of the Chemical Society C: Organic Pub Date: DOI: 10.1039/J39660000056
Abstract
Extensive breakdown of menazon (I; X = S) occurs on heating with dilute hydrochloric acid (1:1). The formation of 2,4-dihydroxy-6-methyl-1,3,5-triazine (IV) under these conditions was unexpected; elemental sulphur was eliminated in this reaction, and both amino groups hydrolysed to ammonia. 2,4-diamino-6-mercaptomethyl-1,3,5-triazine (III; Y = SH) is the main product formed on milder acid hydrolysis, whilst methanolic potassium hydroxide treatment of menazon yields 2,4-diamino-6-methylthiomethyl-1,3,5-triazine (III; Y = MeS). The secondary dithiophosphate ester, or des-methyl menazon (II), is formed in a trans-methylation reaction of menazon with sodium OO-dimethylphosphorodithioate. The preparation and characterisation of hydroxyamino and dihydroxytriazine derivatives related to menazon are also described.
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Journal Name：Journal of the Chemical Society C: Organic
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CAS no.: 89640-58-4
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