Resonance structures & and 2 must be considered for the ground state of enamines \*I. Hindrance of free rotation about the C-N bond is dependent upon the contribution of 8. The kinetics of this process have been studied for -c< -/Me
Isomerization about the CN double bond of quinonediimines
✍ Scribed by R.W. Layer; C.J. Carman
- Book ID
- 108385207
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- French
- Weight
- 98 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0040-4039
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📜 SIMILAR VOLUMES
The geometries of HN=CH2, HP=CH? and their fluorinated species were optimized at the SCF HF and MP2 levels using the GAUSSIAN 82 program (6-3 IG\*\* basis set). The structural effect of fluorination on the double bonds is compared with available experimental data.
CO-R bond of amides is well known, and has been extensively studied Recently, it has been shown that the C-N bands of thioamides resistance to rotation than that of the corresponding amides, due I= a. to greater contribution of the dipolar resonance form -C -K( to the structure (2,5). As this form