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The mass spectrom of 1,5-diphenyl-2,4-pentadien-1-one

✍ Scribed by Michèle Ricard; Michel Simalty

Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
146 KB
Volume
17
Category
Article
ISSN
1076-5174

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📜 SIMILAR VOLUMES

ChemInform Abstract: Reaction of 1,5-Dip
ChemInform Abstract: Reaction of 1,5-Diphenyl-1,4-pentadien-3-one and 1,5-Diphenyl-1-penten-4-yn-3-one with Monosubstituted Hydrazines.
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(4R,5R)-1,3-Dimethyl-4,5-diphenyl­imidaz
(4R,5R)-1,3-Dimethyl-4,5-diphenyl­imidazolidin-2-one
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The title compound, C 17 H 18 N 2 O, was obtained by methylation of (4R,5R)-4,5-diphenylimidazolidin-2-one. The C-O bond exhibits double-bond character, and both C-N bonds in the urea group are intermediate between single and double bonds.

Theoretical Studies of the Nazarov Cycli
Theoretical Studies of the Nazarov Cyclization 1. 1,4-Pentadien-3-one.
✍ Douglas A. Smith; Charles W. Ulmer II 📂 Article 📅 1991 🏛 Elsevier Science 🌐 French ⚖ 286 KB

The mechamsm of the electrocychzanon of 1,4-pentadlen-3-one, known as the Nazarov cychzation, was studed usmg senuempmcal and ab ZRZZO methods at the AM1, RHF/3-21G, RHF/6-31G\*, and MP3/6-31G\*\*//RHF/3-21G or RHF/6-31G\* levels At the hghest level of theory, the cychzatlon of the protonated ketone