Condensation of acetylacetone with formaldehyde and thiols

Acetylacetone reacted with formaldehyde and thiols in aqueous medium or in the presence of 0.1 equiv of sodium hydroxide to give the corresponding 3-[(alkylsulfanyl)methyl]pentane-2,4-diones which exist in solution as mixtures of diketone and enol tautomers. Four-component condensation of acetylacet...

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Bibliographic Details
Published in:Russian journal of organic chemistry 2013-09, Vol.49 (9), p.1283-1286
Main Authors: Baeva, L. A., Biktasheva, L. F., Fatykhov, A. A., Lyapina, N. K.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Organic Chemistry
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Summary:Acetylacetone reacted with formaldehyde and thiols in aqueous medium or in the presence of 0.1 equiv of sodium hydroxide to give the corresponding 3-[(alkylsulfanyl)methyl]pentane-2,4-diones which exist in solution as mixtures of diketone and enol tautomers. Four-component condensation of acetylacetone with formaldehyde, methanethiol, and sodium sulfide, depending on the reaction time, led to the formation of a mixture of 1,1-bis(methylsulfanylmethyl)propan-2-one with 1,1′-{3-[(methylsulfanyl)methyl]tetrahydro-2 H -thiopyran-3,5-diyl}diethanone or with 8-methyl-5-(methylsulfanylmethyl)-3-thiabicyclo[3.3.1]non-7-en-6-one.
ISSN:1070-4280
1608-3393
DOI:10.1134/S1070428013090078