(P,M)-1,2,3,9,10,11-hexamethoxy-5,7-dihydrodibenz[c,e]oxepine and (P,M)-1,11-dimethyl-5,5,7,7-tetraphenyl-5,7-dihydrodibenz[c,e]oxepine

Anthony Linden; Markus Furegati; Andreas J Rippert

doi:10.1107/S010827010400294X

(P,M)-1,2,3,9,10,11-hexamethoxy-5,7-dihydrodibenz[c,e]oxepine and (P,M)-1,11-dimethyl-5,5,7,7-tetraphenyl-5,7-dihydrodibenz[c,e]oxepine

Acta Crystallogr C. 2004 Apr;60(Pt 4):o223-5. doi: 10.1107/S010827010400294X. Epub 2004 Mar 11.

Authors

Anthony Linden¹, Markus Furegati, Andreas J Rippert

Affiliation

¹ Institute of Organic Chemistry, University of Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland. alinden@oci.unizh.ch

PMID: 15071217
DOI: 10.1107/S010827010400294X

Abstract

The title compounds, C(20)H(24)O(7) and C(40)H(32)O, respectively, are racemic oxepines, the molecules of which contain a chiral axis. Both molecules possess crystallographic C(2) symmetry and the seven-membered ring adopts a twisted-boat conformation.