2-[(Diphenyl-phosphor-yl)(hy-droxy)meth-yl]-5-meth-oxy-phenol.
In the title compound, C(20)H(19)O(4)P, the dihedral angle between the phenyl rings is 73.3 (4)° and the dihedral angles between the benzene ring and the two phenyl rings are 43.0 (3) and 54.3 (1)°. In the crystal, O-H⋯O hydrogen bonds and weak O-H⋯O inter-actions are observed, which form a supra-molecular sheet parallel to (010).
State Key Laboratory of Urban Water Resource and Environment (SKLUWRE) & Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin, Heilongjiang 150090,  People's Republic of China.
Yutian
Y
Shao
Chao
C
Yang
Wujiong
W
Xia