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O,O'-2-Iodo-1,3-phenyl-ene bis-(diphenyl-phosphinothio-ate).

ABSTRACT: The title compound, C(30)H(23)IO(2)P(2)S(2), was synthesized by the reaction of 2-iodo-benzene-1,3-diol, chloro-diphenyl-phosphine, Et(3)N and sulfur. The P=S bonds project to opposite sides of the central aromatic ring. The O-P-S and C-P-S bond angles are significantly larger than the O-P-C and C-P-C bond angles, indicating significant distortion of the tetra-hedral geometries of the P atoms. The P=S bond lengths of 1.9311?(13) and 1.9302?(12)?Å in the title compound are shorter than that found in Ph(3)P=S [1.950?(3)?Å] because the replacement of one C atom attached the P atom by an O atom increases the effective electronegativity of the P atom.

SUBMITTER: Niu JL

PROVIDER: S-EPMC3200686 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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O,O'-2-Iodo-1,3-phenyl-ene bis-(diphenyl-phosphinothio-ate).

Niu Jun-Long JL Wang Xia X Gao Biao B Song Mao-Ping MP

Acta crystallographica. Section E, Structure reports online 20110827 Pt 9

The title compound, C(30)H(23)IO(2)P(2)S(2), was synthesized by the reaction of 2-iodo-benzene-1,3-diol, chloro-diphenyl-phosphine, Et(3)N and sulfur. The P=S bonds project to opposite sides of the central aromatic ring. The O-P-S and C-P-S bond angles are significantly larger than the O-P-C and C-P-C bond angles, indicating significant distortion of the tetra-hedral geometries of the P atoms. The P=S bond lengths of 1.9311 (13) and 1.9302 (12) Å in the title compound are shorter than that found ...[more]

PMID: 22064275

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