✦ LIBER ✦

Reactions of regioisomeric 3,3-dimethyl- and 2,2-dimethyl-6-trifluoromethyl-2,3-dihydro-4-pyrones with N-nucleophiles

✍ Scribed by V. Ya. Sosnovskikh; M. Yu. Mel'nikov

Publisher: Springer
Year: 1999
Tongue: English
Weight: 348 KB
Volume: 48
Category: Article
ISSN: 1573-9171
DOI: 10.1007/bf02494648

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: Reactions of Regioi

ChemInform Abstract: Reactions of Regioisomeric 3,3-Dimethyl- and 2,2-Dimethyl-6-trifluoromethyl-2,3-dihydro-4-pyrones with N-Nucleophiles.

✍ V. Ya. Sosnovskikh; M. Yu. Mel'nikov 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 1 views

The photodimerization of 2,3-dihydro-2,6

The photodimerization of 2,3-dihydro-2,6-dimethyl-4-pyrone

✍ Peter Yates; Donald J. MacGregor 📂 Article 📅 1969 🏛 Elsevier Science 🌐 French ⚖ 209 KB

The photodimerization of a,R-unsaturated ketones to give cyclobutanes has long been known (l), but the structural details of such photodimers have been

Reaction of 3,3-dialkyl-6-trifluoromethy

Reaction of 3,3-dialkyl-6-trifluoromethyl-2,3-dihydro-4-pyrones with hydrazine hydrate

✍ V. Ya. Sosnovskikh; M. Yu. Mel'nikov; M. I. Kodess 📂 Article 📅 1998 🏛 Springer 🌐 English ⚖ 323 KB

Synthesis of 3-aryl- or 3-alkenyl-4,6-di

Synthesis of 3-aryl- or 3-alkenyl-4,6-dimethyl-2-pyrones by silver ion promoted rearrangement of 4-aryl- or4-alkenyl-3-bromo-4,6-dimethyl-3,4-dihydro-2-pyrones

✍ Takashi Kume; Hideharu Iwasaki; Yohsuke Yamamoto; Kin-ya Akiba 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 244 KB

Debromination of rl-aryl-or 4-alkenyl-3-bromo-4,6-dimethyl-3,4dihydro-2-pyrone (1) with AgSbF in dichloromethane or 1,2-dichloroethane induced rearrangement of the argl or alkenyl group to the 3-position to afford the corresponding 3-substituted 2-pyrone (5) in high yield.

ChemInform Abstract: Interaction of 3,3-

ChemInform Abstract: Interaction of 3,3-Disubstituted 6-Trifluoromethyl-2,3-dihydro-4-pyrones with Hydrazine Hydrate.

✍ V. YA. SOSNOVSKIKH; M. YU. MEL'NIKOV; M. I. KODESS 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 1 views

Interaction of 3,3-Disubstituted 6-Trifluoromethyl-2,3-dihydro-4pyrones with Hydrazine Hydrate. -Reaction of 3,3-disubstituted-6trifluoromethylpyrones (I) with hydrazine hydrate affords the 6-trifluoromethyl-6-hydrazinopyrone derivatives (II) which undergo a recyclization to the pyrazole derivative

N-(4,6-Dimethyl-2,3-dihydropyrimidin-2-

N-(4,6-Dimethyl-2,3-dihydropyrimidin-2-ylidene)benzenesulfonamide

✍ Li, Gong-Chun ;Yang, Feng-Ling 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 150 KB

In the crystal structure of the title compound, C 12 H 13 N 3 O 2 S, weak intermolecular C-HÁ Á ÁO and N-HÁ Á ÁO hydrogenbond interactions link the molecules into a double chain along the b axis. In the title molecule, the plane of the pyrimidine ring makes an angle of 87.51 (5) with the plane of th