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2-(2,3-二甲基苯胺基)-N'-[(1E)-2-羟基亚苄基]苯甲酰肼的晶体结构

Crystal structure of 2-(2,3-di-methyl-anilino)-N'-[(1E)-2-hy-droxy-benzyl-idene]benzohydrazide.

作者信息

Mohamed Shaaban K, Mague Joel T, Akkurt Mehmet, Mohamed Alaa F, Albayati Mustafa R

机构信息

Faculty of Science & Engineering, School of Healthcare Science, Manchester Metropolitan University, M1 5GD, England; Chemistry Department, Faculty of Science, Minia University, 61519 El-Minia, Egypt.

Department of Chemistry, Tulane University, New Orleans, LA 70118, USA.

出版信息

Acta Crystallogr E Crystallogr Commun. 2015 Nov 21;71(Pt 12):o957-8. doi: 10.1107/S2056989015021532. eCollection 2015 Dec 1.

DOI:10.1107/S2056989015021532
PMID:26870549
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4719921/
Abstract

The asymmetric unit of the title compound, C22H21N3O2, consists of two independent mol-ecules (A and B) having differing conformations. The differences mainly concern the dihedral angles which the hy-droxy-phenyl and di-methyl-phenyl rings subtend to the central phenyl-ene ring, these being 30.16 (6) and 58.60 (6)° in mol-ecule A and 13.42 (7) and 60.31 (7)° in B. With the exception of the dimethyphenyl substituent, the conformations of the rest of each mol-ecule are largely determined by intra-molecular O-H⋯N and N-H⋯O hydrogen bonds. In the crystal, N-H⋯O hydrogen bonds link the mol-ecules into chains extending parallel to the a axis in which the types of mol-ecules alternate in an …A…B…A…B… fashion.

摘要

标题化合物C22H21N3O2的不对称单元由两个具有不同构象的独立分子（A和B）组成。差异主要涉及羟基苯基和二甲基苯基环与中心苯环所成的二面角，在分子A中分别为30.16 (6)°和58.60 (6)°，在分子B中分别为13.42 (7)°和60.31 (7)°。除二甲基苯基取代基外，每个分子其余部分的构象在很大程度上由分子内O—H⋯N和N—H⋯O氢键决定。在晶体中，N—H⋯O氢键将分子连接成平行于a轴延伸的链，其中分子类型以…A…B…A…B…的方式交替。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa3/4719921/6c423d89e6ea/e-71-0o957-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa3/4719921/a5ef57bbfffb/e-71-0o957-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa3/4719921/6c423d89e6ea/e-71-0o957-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa3/4719921/a5ef57bbfffb/e-71-0o957-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0aa3/4719921/6c423d89e6ea/e-71-0o957-fig2.jpg

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