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4,4'-[4,4'-Sulfonyl-bis-(p-phenyl-ene-oxy)]dibutanoic acid.

ABSTRACT: In the title compound, C(20)H(22)O(8)S, the dihedral angle between the two benzene rings is 81.6?(3)°. The benzene-connected portions of the alk-oxy substituents are almost coplanar with their respective rings [C-C-O-C torsion angles of 174.77?(17) and -178.5?(4)°]. One of the butanoic acid groups is disordered over two conformations with a site-occupancy ratio 0.719?(6):0.281?(6). In the crystal, pairs of O-H?O hydrogen bonds link the mol-ecules into infinite zigzag chains along [130].

SUBMITTER: Fu CY 

PROVIDER: S-EPMC3089177 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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4,4'-[4,4'-Sulfonyl-bis-(p-phenyl-ene-oxy)]dibutanoic acid.

Fu Chun-Yan CY   Liu Yong-Hui YH   Zhou Zhong-Liu ZL   Tang Hong H  

Acta crystallographica. Section E, Structure reports online 20110407 Pt 5

In the title compound, C(20)H(22)O(8)S, the dihedral angle between the two benzene rings is 81.6 (3)°. The benzene-connected portions of the alk-oxy substituents are almost coplanar with their respective rings [C-C-O-C torsion angles of 174.77 (17) and -178.5 (4)°]. One of the butanoic acid groups is disordered over two conformations with a site-occupancy ratio 0.719 (6):0.281 (6). In the crystal, pairs of O-H⋯O hydrogen bonds link the mol-ecules into infinite zigzag chains along [130]. ...[more]

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