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(Z)-(1,2-Dichloro-vin-yl)diphenyl-phosphine oxide.

ABSTRACT: The title compound, C(14)H(11)Cl(2)OP, was synthesized by the reaction of diphenyl-phosphine oxide with 1,2-dichloro-ethyne under CuI catalysis. The reaction provided the Z isomer regioselectively. Two O-P-C bond angles [114.3?(1) and 112.5?(1)°] are significantly larger than the C-P-C [107.7?(1), 105.6?(1) and 106.6?(1)°] and another O-P-C angle [109.5?(1)°], indicating significant distortion of the tetra-hedral configuration of the P atom. In the crystal, mol-ecules are linked by weak inter-molecular C-H?O hydrogen bonds into centrosymmetric dimers, which are connected by further C-H?O inter-actions into chains along [101].

SUBMITTER: Ma JY 

PROVIDER: S-EPMC3200614 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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(Z)-(1,2-Dichloro-vin-yl)diphenyl-phosphine oxide.

Ma Jing-Ya JY   Feng Qing-Qin QQ   Wu Ming-Shu MS  

Acta crystallographica. Section E, Structure reports online 20110806 Pt 9

The title compound, C(14)H(11)Cl(2)OP, was synthesized by the reaction of diphenyl-phosphine oxide with 1,2-dichloro-ethyne under CuI catalysis. The reaction provided the Z isomer regioselectively. Two O-P-C bond angles [114.3 (1) and 112.5 (1)°] are significantly larger than the C-P-C [107.7 (1), 105.6 (1) and 106.6 (1)°] and another O-P-C angle [109.5 (1)°], indicating significant distortion of the tetra-hedral configuration of the P atom. In the crystal, mol-ecules are linked by weak inter-mo  ...[more]

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