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Synthesis 1988; 1988(1): 89-90
DOI: 10.1055/s-1988-27477
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Polarized Ketene Dithioacetals; 60.1 Synthesis of Novel 6-Aryl- 5-bis(methylthio)methyl-3(2H)-pyridazinones

L. W. Singh* , H. Ila, H. Junjappa
  • *Department of Chemistry, North-Eastern Hill University, Shillong, 793 003, Meghalaya, India
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Publikationsdatum:
12. September 2002 (online)

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4-Aryl-3-bis(methylthio)methylene-4-oxobutanenitriles 1a-e undergo cyclocondensation with hydrazine hydrate to give novel 6-aryl-5-bis(methylthio)methyl-3(2H)-pyridazinones 3a-e in good yields. The reaction of ketene dithioacetal 1b with hydroxylamine afforded only the open-chain amidoxime 4.