Substitution reaction of 5,5-dimethylrhodanine with methylhydrazine and imination with benzaldehydeSubstitution reaction of 5,5-dimethylrhodanine with methylhydrazine and imination with benzaldehyde
SyntheticPage 477
Published May 17, 2011
5,5-dimethylrhodanine (1.3 g, 0.008mole) and methylhydrazine (0.8 ml, 0.015 mole) were stirred overnight in methanol (20ml). Next day, some sulphur which had separated was filtered off and benzaldehyde (1.6ml, 0.015 mole) was added to the filtrate.Next day the product (1.1 g, 52%) was filltered off and washed with a little ethanol.