Chemistry of Heterocyclic Compounds p. 91 - 95 (1997)
Update date:2022-08-03
Topics:
Shutalev
Kuksa
Reaction of thiourea, propionic aldehyde, or benzaldehyde and p-toluenesulfinic acid gave α-substituted N-(tosylmethyl)thioureas. Interaction of the last with sodioacetoacetic ester or sodiobenzoylacetic ester led to the synthesis of the corresponding 4-hydroxy-5-ethoxycarbonylhexahydropyrimidine-2-thiones, the dehydration of which afforded 5-ethoxycarbonyl-1,2,3,4-tetrahydropyrimidine-2-thiones. 1997 Plenum Publishing Corporation.
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