01021nas a2200193 4500008004100000022001400041245006900055210005600124260008100180300001600261490000700277520033700284100001900621700001900640700002500659700001800684700002600702856009900728 2007 eng d a1600-536800a3-(3-Methylphenoxy)-1,5-dihydro-2,4,3-benzodioxaphosphepin-3-one0 a33Methylphenoxy15dihydro243benzodioxaphosphepin3one a9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLANDbBLACKWELL PUBLISHINGcMAY aO2405-O24060 v633 a

In the title compound, C15H15O4P, the seven-membered phosphepine ring exhibits a twist-chair conformation, with the phosphoryl O atom in an equatorial and the methylphenoxy group in an axial position. The crystal structure is stabilized by both intra- and intermolecular C-H center dot center dot center dot O hydrogen bonds.

1 aKrishna, Radha1 aKrishnaiah, M.1 aBabu, M., F. Stephen1 aReddy, Suresh1 aPuranik, Vedavati, G. uhttps://library.ncl.res.in/content/3-3-methylphenoxy-15-dihydro-243-benzodioxaphosphepin-3-one