Ungewöhnlich hohe Rotationsbarrieren am tetraedrischen Kohlenstoffatom
- 1 February 1976
- journal article
- Published by Wiley in Angewandte Chemie
- Vol. 88 (3) , 67-74
- https://doi.org/10.1002/ange.19760880302
Abstract
Durch Rotation um CC‐Einfachbindungen in geeignet substituierten Verbindungen kommen Rotationsisomere (auch Rotamere genannt) zustande, die sich getrennt isolieren lassen, wenn die Rotationsbarriere hoch genug ist. In diesem Aufsatz werden Triptycen‐ und Fluoren‐Derivate besprochen, deren Rotationsbarrieren um 30 kcal/mol liegen.Keywords
This publication has 28 references indexed in Scilit:
- Restricted Rotation Involving the Tetrahedral Carbon. XV. Restricted Rotation about a Csp8–Csp2 Bond in 9-Aryltriptycene DerivativesBulletin of the Chemical Society of Japan, 1975
- Fluorene derivatives. XXXI. Stable rotamers of 9,9':9',9''-terfluorenyls at room temperatureThe Journal of Organic Chemistry, 1975
- Hindered rotation in 9-arylfluorenes. Resolutions of the mechanistic questionJournal of the American Chemical Society, 1975
- Restricted Rotation Involving the Tetrahedral Carbon. X. Barriers to Rotation of Methyl Groups in 9-Methyltriptycene Derivatives.Bulletin of the Chemical Society of Japan, 1974
- Trapping of the carbene intermediates in the photolysis of triptycenesJournal of the American Chemical Society, 1974
- Restricted rotation involving the tetrahedral carbon. V. Direct observation of the hindered rotation of a methyl group by high resolution nuclear magnetic resonance spectroscopyJournal of the American Chemical Society, 1973
- Restricted Rotation Involving the Tetrahedral Carbon. I. Some Diels-Alder Adducts Derived from 9-Substituted AnthracenesBulletin of the Chemical Society of Japan, 1971
- 1,8-Di-tert-butylnaphthalenesJournal of the American Chemical Society, 1969
- Some 9-aryl fluorenes. Ring-current effects on nuclear magnetic resonance spectra, carbonium ions, and the 9-mesitylfluorenyl radicalJournal of the American Chemical Society, 1968
- Studies on Azulenes. IX. 3-(1-Hydroxyethyl)-S-guaiazulene.CHEMICAL & PHARMACEUTICAL BULLETIN, 1960