Maier, Guenther; Fleischer, Frank; Kalinowski, Hans Otto; Boese, Roland:

Ring inversion in sterically hindered arenes.

In: Angewandte Chemie, Jg. 103 (1991) ; Nr. 11, S. 1495-7
ISSN: 0044-8249
Zeitschriftenaufsatz / Fach: Chemie
NMR and x-ray anal. indicated that pyridazine deriv. I exists in a twist conformation. A ring inversion barrier of 91.5 kJ/mol was found for I.