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- Title
Anomalous Direction of the Ene Reaction of Pulegone with 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione.
- Authors
Bodrikov, I. V.; Kurskii, Yu. A.; Chiyanov, A. A.; Subbotin, A. Yu.; Kozlov, N. G.; Korovnikova, Yu. S.
- Abstract
The ene reaction of pulegone with 4-phenyl-3H-1,2,4-triazole-3,5(4H)-dione, apart from the two previously described products, epimeric 1-[(1S,4R)- and 1-[(1R,4R)-4-methyl-2-oxo-1-(prop-1-en-2-yl)cyclohexyl]-4-phenyl-1,2,4-triazolidine-3,5-diones, gave one more isomer, 1-{1-methyl-1-[(4R)-4-methyl-6-oxocyclohex-1-en-1-yl]ethyl}-4-phenyl-1,2,4-triazolidine-3,5-dione. The latter is formed as a result of addition of 4-phenyl-3H-1,2,4-triazole-3,5(4H)-dione to the Me2C= carbon atom of pulegone (anti-Markovnikov addition) and double bond migration to the six-membered carbocycle.
- Subjects
ENE reactions; MENTHENONE; PERICYCLIC reactions; KETONES; CHEMICAL reactions
- Publication
Russian Journal of Organic Chemistry, 2018, Vol 54, Issue 9, p1430
- ISSN
1070-4280
- Publication type
Article
- DOI
10.1134/S1070428018090294