8-CHLORO-1,4-DIMETHYL-9-(2-METHYLBENZYL)TRIPTYCENE AND 8-CHLORO-1,4-DIMETHYL-9-(2-METHYLBENZYL)TRIPTYCENE

Citation
T. Nemoto et al., 8-CHLORO-1,4-DIMETHYL-9-(2-METHYLBENZYL)TRIPTYCENE AND 8-CHLORO-1,4-DIMETHYL-9-(2-METHYLBENZYL)TRIPTYCENE, Acta crystallographica. Section C, Crystal structure communications, 52, 1996, pp. 716-720
Citations number
8
Categorie Soggetti
Crystallography
ISSN journal
01082701
Volume
52
Year of publication
1996
Part
3
Pages
716 - 720
Database
ISI
SICI code
0108-2701(1996)52:<716:8A8>2.0.ZU;2-Z
Abstract
Two atropisomers, ap and sc(9S*), of the title compound thylbenzyl)-9 ,10-dihydro-9,10-o-benzenoanthracene, C30H25Cl] have been isolated and their structures determined by X-ray diffraction. The structures of t he two isomers are essentially the same as those of the analogous brom o derivatives. The crystal of the sc(9S*) isomer decomposed when it w as heated to 493 K, owing to the sc-ap transition.