PREPARATION METHOD OF N,N'-DIALKYL-3,3'-DITHIODIPROPIONAMIDE
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
Dec 6, 2010
filing date -
Dec 16, 2009
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Abandoned
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Abstract
This disclosure relates to a method for preparing N,N′-dimethyl-3,3′-dithiodipropionamides, which is an intermediate compound used for preparation of substituted 3-isothiazolones, including reacting 3,3′-dithiopropionic acid alkyl ester with an alkylamine at a temperature of from 0 to 50° C. in the presence of a polar solvent.
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