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- Title
Chemistry of iminofurans: IX. Synthesis and cyclization of (2 Z)-2-{(2 Z)-2-[2-(3-R-adamantan-1-yl)-2-oxoethylidene]hydrazinyl}-4-(het)aryl-4-oxobut-2-enoic acids.
- Authors
Pulina, N.; Kuznetsov, A.; Rubtsov, A.
- Abstract
1-(3-R-adamantan-1-yl)-2-[(triphenyl-λ-phosphanylidene)hydrazinylidene]ethanone reacted with 4-aryl(hetaryl)-2,4-dioxobutanoic acids to give 2-{2-[2-(3-R-adamantan-1-yl)-2-oxoethylidene]hydrazinyl}-4-aryl(hetaryl)-4-oxobut-2-enoic acids which were shown to exist in solution as mixtures of Z- and E-isomeric enehydrazine tautomers. The products underwent cyclization to 3-{[2-(3-R-adamantan-1-yl)-2-oxoethylidene]- hydrazinylidene}-5-aryl(hetaryl)furan-2(3 H)-ones.
- Subjects
ISODIAZENES; HYDROXYACETOPHENONES; TAUTOMERISM; HYDRAZINE; ETHYLENE dichloride
- Publication
Russian Journal of Organic Chemistry, 2015, Vol 51, Issue 7, p967
- ISSN
1070-4280
- Publication type
Article
- DOI
10.1134/S1070428015070131