Our interest in the thermal reorganization of CllHlo hydrocarbons containing a fused benzo-(4,5) prompted a study of 3,&benzotropilidene (3. When hwas heated at 420' for 40 min-
Non-concerted thermal reorganizations 3,3-divinylmethylenecyclobutane
β Scribed by William R. Dolbier Jr.; Gregory J. Mancini
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- French
- Weight
- 172 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0040-4039
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Owing to our recent synthesis of N-carbethoxylazonin (1) and oxonin we became quite interested in the title compound (all-cis CNT) 1 as an ideal classical-polyenic model. Furthermore, our recent description of the various reorganization pathways availa.ble to both ground and excited state CNT, (3) c
## Abstract Possible reaction mechanisms of 1,3βsilyl and 1,3βhydrogen thermal rearrangements of trimethylsilylβ1βpyrazoline and its model systems were theoretically explored using B3LYP, MP2, CRβCCSD(T), CASSCF(6,5), and MRMP2(6,5) theories. Nitrogen substitution at the center position of allylic
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