Recueil des Travaux Chimiques des Pays-Bas p. 554 - 557 (1987)
Update date:2022-08-05
Topics:
Paniagua, Esther
Rubio, Maria J.
Seoane, Carlos
Soto, JoseL.
2-Pyridinethiones 3 are obtained in good yields from 1,2,3-triarylpropenones 2 by treatment with cyanothioacetamide 1. Disulfides 4 result from oxydation of 3. Pyridinethiones 3 undergo methylation at the sulfur atom, leading to (methylthio)pyridines 5, which can be hydrolized to carboxamides 6. Thieno[2,3-b]pyridines 7 are obtained from 3 upon reaction with methyl chloroacetate.
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(1975)
