Diethyl [hydroxy(phenyl)methyl]phosphonate
نویسندگان
چکیده
Mol-ecules of the title compound, C(11)H(17)O(4)P, are linked into chiral helical chains along the crystallographic b axis via O-H⋯O hydrogen bonds between the hydr-oxy group and an O atom of the phospho-nate group. One ethyl group is disordered over two positions; the site occupancy factors are ca 0.7 and 0.3.
منابع مشابه
Diethyl [hydroxy(2-nitrophenyl)methyl]phosphonate
In the title mol-ecule, C(11)H(16)NO(6)P, the nitro group is twisted out of the mean plane of the benzene ring at 29.91 (3)°. The two ethyl groups are disordered between two orientations in the ratios 0.784 (7)/0.216 (7) and 0.733 (6)/0.267 (6). Inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric dimers.
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In the title compound, C18H21N2O6P, the dihedral angle between the benzene and phenyl rings is 85.1 (2)°. In the crystal, mol-ecules are linked via pairs of N-H⋯O(=P) hydrogen bonds, forming inversion dimers with graph-set notation R 2 (2)(10). One of the ethyl groups is disordered over two sets of sites, with occupancies 0.746 (11) and 0.254 (11).
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In the title compound, C17H21ClNO4P·C3H7NO, the dihedral angle formed by the aromatic rings is 83.98 (7)°. In the crystal, O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into double layers parallel to (011).
متن کاملN-[(R)-(2-Chlorophenyl)(cyclopentyl)methyl]-N-[(R)-(2-hydroxy-5-methylphenyl)(phenyl)methyl]acetamide
In the title compound, C(28)H(30)ClNO(2), the cyclo-pentane ring adopts an envelope conformation. In the crystal structure, mol-ecules are linked by inter-molecular O-H⋯O hydrogen bonds, forming chains running along the a axis.
متن کاملrac-(1S,2R)-Diethyl 6-hydroxy-1-(4-methoxyphenyl)-3-oxo-2,3-dihydro-1H-benzo[f]chromen-2-yl]phosphonate
In the title compound, C(24)H(25)O(7)P, the δ-valerolactonyl ring exists in a distorted screw-boat conformation with the diethoxy-phosphoryl substituent occupying an axial position. The latter adopts an almost syn-periplanar conformation around the P-C bond. The mol-ecules form centrosymmetric dimers connected by O-H⋯O hydrogen bonds.
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عنوان ژورنال:
دوره 64 شماره
صفحات -
تاریخ انتشار 2008