Intramolecular hydrogen bonds in 3-diethylaminomethyl-5-R-salicylic aldehydes

被引：6

作者：

Szady-Chelmieniecka, A

Rozwadowski, Z

Dziembowska, T

Grech, E

Wojciechowski, G

Brzezinski, B

机构：

[1] Adam Mickiewicz Univ, Fac Chem, PL-60780 Poznan, Poland

[2] Tech Univ Szczecin, Inst Fundamental Chem, PL-71065 Szczecin, Poland

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2000年 / 520卷

关键词：

intramolecular hydrogen bonds; proton transfer; H-1 and C-13 NMR; FTIR spectroscopy; Mannich base; salicylic aldehyde;

D O I：

10.1016/S0022-2860(99)00329-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two 3-diethylaminomethyl-5-R-salicylic aldehydes were obtained and studied in chloroform solutions by FTIR and NMR spectroscopy. The existence of an equilibrium between the structures with OH ...=O=C and N ... HO intramolecular hydrogen bonds was suggested. In the ease of compound 1 (R = OCH3) the OH ... O=C intramolecular hydrogen bond was more favorable whereas in the case of compound 2 (R = Br) the structure with the OH ... N intramolecular hydrogen bond was predominant. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：39 / 43

页数：5

共 11 条

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