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(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

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Abstract:

The title compounds, C20H24O7 and C40H32O, respectively, are racemic oxepines, the mol­ecules of which contain a chiral axis. Both mol­ecules possess crystallographic C2 symmetry and the seven-membered ring adopts a twisted-boat confor­mation.

Document Type: Research Article

DOI: https://doi.org/10.1107/S010827010400294X

Publication date: 2004-04-01

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