200001-75-8Relevant academic research and scientific papers
Hindered rotation in diphenylmethane derivatives. Electrostatic vs charge-transfer and homoconjugative aryl-aryl interactions
Martínez, A. García,Osío Barcina,De Fresno Cerezo,Gutiérrez Rivas
, p. 673 - 679 (2007/10/03)
A series of p,p'-disubstituted 7-phenyl-7-(2-fluorophenyl)norbornanes 5xy has been prepared, and the barrier (ΔG#) to 160°libration around the 2-fluoroaryl-norbornane bond has been measured by DNMR. There is spectroscopic evidence of strong homoconjugativ
