(E)-2-甲氧基-4-((1-苯乙基亚氨基)甲基)苯酚的合成、晶体结构和光谱研究

Chemical Science International Journal Pub Date : 2023-12-28 DOI:10.9734/csji/2023/v32i6877

B. Traoré, Gregory Excoffier, A. Fall, I. Thiam, M. Sidibe, O. Diouf, M. Gaye

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引用次数: 0

摘要

通过一步缩合反应合成了一种新的不对称配体 (E)-2-methoxy-4-((1-phenylethylimino)methyl)phenol C16N17NO2 (I)。元素分析、傅立叶变换红外光谱、紫外-可见光谱、1H 和 13C NMR 光谱技术证实了这种新化合物的结构。化合物 (I) 在正交空间群 P212121 中结晶，单胞参数如下：a = 11.7570 (6) Å, b = 10.0711 (6) Å, c = 23.4478 (13) Å, V = 2776.4 (3) Å3, Z = 4, R1 = 0.045 和 wR2 = 0.125。标题化合物结晶的不对称单元中有两种对映体（A 和 B），它们都是 E 立体异构体。在外消旋化合物的晶体结构中，这两个分子之间最明显的差别是苯基环之间的二面角值：61.61 (1)° 和 60.96(1)°。

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Synthesis, Crystal Structure and Spectroscopic Study of (E)-2-methoxy-4-((1-phenylethylimino)methyl)phenol

A new unsymmetrical ligand (E)-2-methoxy-4-((1-phenylethylimino)methyl)phenol C16N17NO2 (I), was synthetized by one-step condensation reaction. The structure of this new compound was confirmed by elemental analysis, FT-IR, UV-Visible and 1H and 13C NMR spectroscopy techniques. The compound (I) crystallizes in the orthorhombic space group P212121 with the following unit cell parameters a = 11.7570 (6) Å, b = 10.0711 (6) Å, c = 23.4478(13) Å, V = 2776.4(3) Å3, Z = 4, R1 = 0.045 and wR2 = 0.125. The title compound crystallizes with two enantiomers (A and B) in the asymmetric unit which are both in E-stereoisomers. In the crystal structure of the racemic compound, the most noticeable difference between these two molecules is the dihedral angle values between the phenyl rings: 61.61 (1)° and 60.96(1)°.

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Chemical Science International Journal

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