Qing-Ming Wang, F. Su, Ting-ting Yang
Aug 30, 2014
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
In the title compound, C17H21N2O6P·CH3OH, the planes of the 4-nitroaniline and 2-hydroxyphenyl groups form a dihedral angle of 84.04 (8)°. The P atom exhibits tetrahedral geometry involving two O-ethyl groups, a Cα atom and a double-bonded O atom. In the crystal, O—H⋯O, N—H⋯O and C—H⋯O hydrogen bonds link the α-aminophosphonic acid and methanol molecules into chains that propagate parallel to the a axis.