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1-乙基-N'-[(E)-4-羟基-亚苄基]-7-甲基-4-氧代-1,4-二氢-1,8-萘啶-3-碳酰肼

1-Ethyl-N'-[(E)-4-hydroxy-benzyl-idene]-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carbohydrazide.

作者信息

Deeba Farah, Khan Misbahul Ain, Zia-Ur-Rehman Muhammad, Caylak Nagihan, Sahin Ertan

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2009 Mar 25;65(Pt 4):o860-1. doi: 10.1107/S1600536809009167.

DOI:10.1107/S1600536809009167
PMID:21582576
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2969025/
Abstract

In the crystal structure of the title compound, C(19)H(18)N(4)O(3), the fused-ring system is essentially planar [maximum deviation is 0.031 (2) Å] while the dihedral angle between the ring system and the benzene ring is 12.64 (6)°.The carbohydrazide H atom is involved in an intra-molecular N-H⋯O hydrogen bond, forming a six-membered hydrogen-bonded ring. The mol-ecules arrange themselves into centrosymmetric dimers by means of inter-molecular O-H⋯O hydrogen bonds.

摘要

在标题化合物C(19)H(18)N(4)O(3)的晶体结构中，稠环体系基本呈平面状[最大偏差为0.031 (2) Å]，而环体系与苯环之间的二面角为12.64 (6)°。碳酰肼H原子参与分子内N-H⋯O氢键，形成一个六元氢键环。分子通过分子间O-H⋯O氢键排列成中心对称的二聚体。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b440/2969025/f303c29795cb/e-65-0o860-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b440/2969025/f303c29795cb/e-65-0o860-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b440/2969025/f303c29795cb/e-65-0o860-fig1.jpg

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