Molecular and crystalline structures of some (3R)-methyl-6(R)-isopropylcyclohexanone 2-arylidene derivatives modified by cyclopropanation
✍ Scribed by S.V. Shishkina; R.I. Zubatyuk; I.M. Gella; T.G. Drushlyak; N.S. Pivnenko; L.A. Kutulya; O.V. Shishkin
- Book ID
- 103837658
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 467 KB
- Volume
- 832
- Category
- Article
- ISSN
- 0022-2860
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## Abstract Conformational states of the cyclohexanone ring were established for 3__R__‐methyl‐6‐(4‐phenylbenzylidene)cyclohexanone and several 2,6‐bis(4‐X‐benzylidene)‐3__R__‐methylcyclohexanones (X = Br, OCOCH~3~ and C~6~H~5~) by ^1^H NMR spectroscopy combined with molecular simulation using the
## Abstract Based on ^1^H NMR spectral analysis combined with molecular simulation, conformational states of the cyclohexanone ring were studied for some 1__R__,4__S__‐2‐(4‐X‐benzylidene)‐__p__‐menthan‐3‐ones (X = COOCH~3~ or C~6~H~5~) in CDCl~3~ and C~6~D~6~. The co‐existence of chair conformers w