84602-71-1Relevant academic research and scientific papers
Hindered Rotation of the Isopropenyl Group in Substituted Isopropenylcyclohexanes and Identification of Preferred Rotamers by Nuclear Magnetic Resonance. Bent Bonds May Better Bonds
Hoffmann, H. M. R.,Giguere, Raymond J.,Pauluth, Detlef,Hofer, Edgar
, p. 1155 - 1159 (1983)
The series of 2,2,6,6-tetramethyl-1-isopropenylcyclohexenes 2-6 shows hindered rotation of the isopropenyl group, the activation barrier ΔG(excit.) varying from 12.8 to >15.7 kcal/mol.Splitting patterns and chemical shifts of the olefinic protons of the i
