Kinetics of the Homotropilidene Valence Tautomerism
✍ Scribed by Prof. Dr. Harold Günther; Dr. Josef Bernd Pawliczek; Dipl.-Chem. Joachim Ulmen; Prof. Dr. Wolfram Grimme
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- English
- Weight
- 208 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0044-8249
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Enantiospecific Preparation of gem-Dimethylcyclopropane Fused Cycloheptanes via Valence Tautomerization of 3,4-Homotropilidene under Thermodynamic and Kinetic Control. -Regioselective addition of dichlorocarbene to the 4-alkoxy-8,8-dimethylcycloheptatriene (I) followed by a reductive rearrangement p
9; deep-red crystals (0.150 x0.150 x0.120 mm'). monoclinic space group C2!c with u = 28.627(8). h = 13.222(4), c = 28.097(8) A. 6 = 91.96(2) , V = 10629.7 A' . 2 = 4, Q ~~, ~~ = 1.416 gcm-3. f(O00) = 4640, {I = 24.19 cm-'. A crystal of 4 suitable for X-ray structure analysis was selected on a cooled