[Synthesis of N-(2-mercaptopyridyl-3-formyl)-N-alkyl glycine and the corresponding disulfides].


N-(2-mercaptopyridyl-3-formyl)-N-alkyl glycine I1-8) were synthesized by the condensation of 2-mercaptopyridyl-3-formyl chloride with ethyl N-alkyl glycinate followed by hydrolysis. The corresponding disulfides (II1-7) were obtained by the oxidation of compounds I1-7 with hydrogen peroxide (1%) in weak alkali medium below 10 degrees C. In preliminary tests… (More)


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