Pseudopolymorphism in hydroxybenzophenones: the dihydrate of 2,2′,4,4′-tetrahydroxybenzophenone

被引：3
|
作者：
Landre, I. M. R. [1 ]
Martins, F. T. [2 ]
Ellena, J. A. [3 ]
Dos Santos, M. H. [4 ]
Doriguetto, A. C. [1 ]
机构：
[1] Univ Fed Alfenas, Lab Cristalografia, Inst Quim, Alfenas, Brazil
[2] Univ Fed Goias, Inst Quim, Goiania, Go, Brazil
[3] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
[4] Univ Fed Alfenas, Lab Fitoquim & Quim Med, Fac Ciencias Farmaceut, Alfenas, Brazil
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 2012年 / 68卷
关键词：
CRYSTAL-STRUCTURE; DRUG CRYSTALS; POLYMORPH; BENZOPHENONES;
D O I：
10.1107/S0108270112008748
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A dihydrate pseudopolymorph of bis(2,4-dihydroxyphenyl)methanone, C13H10O5 center dot 2H2O, (I), was obtained during polymorphism screening of hydroxybenzophenone derivatives. This structure, in which the molecule sits on a twofold axis, was compared with the known anhydrous form of (I) [Schlemper (1982). Acta Cryst. B38, 554559]. The role of water in the crystal assembly was established on the basis of the known monohydrate pseudopolymorph of 3,4-dihydroxybenzophenone [Landre, Souza, Correa, Martins & Doriguetto (2010). Acta Cryst. C66, o463o465].
引用
收藏
页码：O156 / O159
页数：4
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