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反式-4-(对甲苯磺酰氧基甲基)环己烷羧酸

trans-4-(Tosyl-oxymeth-yl)cyclo-hexane-carboxylic acid.

作者信息

Qi Qing-Rong, Huang Wen-Cai, Zheng Hu

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 Jan 9;64(Pt 2):o405. doi: 10.1107/S1600536807068572.

DOI:10.1107/S1600536807068572
PMID:21201433
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2960345/
Abstract

The title compound, C(15)H(20)O(5)S, is an inter-mediate in the synthesis of a new type of poly(amido-amine) (PAMAM) dendrimer. The cyclo-hexane ring exhibits a chair conformation, with C-C bond lengths in the range 1.518 (3)-1.531 (3) Å and C-C-C angles in the range 110.45 (19)-112.09 (19)°; these agree well with the values in other cyclo-hexane derivatives described in the literature. In the crystal structure, adjacent mol-ecules are linked by O-H⋯·O hydrogen bonds. The H atoms of the methyl group are disordered equally over two positions.

摘要

标题化合物C(15)H(20)O(5)S是新型聚（酰胺 - 胺）（PAMAM）树枝状大分子合成中的中间体。环己烷环呈椅式构象，C - C键长在1.518 (3)-1.531 (3) Å范围内，C - C - C键角在110.45 (19)-112.09 (19)°范围内；这些与文献中描述的其他环己烷衍生物的值吻合良好。在晶体结构中，相邻分子通过O - H⋯·O氢键相连。甲基的H原子在两个位置上无序分布且占有率相等。

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引用本文的文献

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本文引用的文献

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A short history of SHELX.SHELX简史。
Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22. doi: 10.1107/S0108767307043930. Epub 2007 Dec 21.