A. D. Shutalev, E. A. Kishko
2000
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Journal
Chemistry of Heterocyclic Compounds
Abstract
The end product of the reaction of N-(tosylmethyl)thiourea or N-(azidomethyl)thiourea with sodium enolate of dimedone is bis(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-enyl)methane (methylenebisdimedone) instead of the expected 8a-hydroxy-7,7-dimethyl-2-thioxoperhydroquinazolin-5-one.