rac-(1S,2R)-Diethyl 6-hydroxy-1-(4-methoxyphenyl)-3-oxo-2,3-dihydro-1H-benzo[f]chromen-2-yl]phosphonate

rac-(1S,2R)-Diethyl 6-hydroxy-1-(4-methoxyphenyl)-3-oxo-2,3-dihydro-1H-benzo[f]chromen-2-yl]phosphonate

In the title compound, C24H25O7P, the δ-valerolactonyl ring exists in a distorted screw-boat conformation with the diethoxyphosphoryl substituent occupying an axial position. The latter adopts an almost syn-periplanar conformation around the P—C bond. The molecules form centrosymm...

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Bibliographic Details
Main Authors:	Jakub Wojciechowski, Henryk Krawczyk, Łukasz Albrecht, Wojciech M. Wolf
Format:	Article
Language:	English
Published:	International Union of Crystallography 2008-07-01
Series:	Acta Crystallographica Section E
Online Access:	http://scripts.iucr.org/cgi-bin/paper?S1600536808015857

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