Synthesis and NMR Studies of (E)-1-Aryl-3-(2-pyrrolyl)-2-propenones and (E)-3-Aryl-1-(2-pyrrolyl)-2-propenones

被引：7

作者：

Lee, In-Sook Han ^{[1
]}

Jeoung, Eun Ji ^{[2
]}

Lee, Chang Kiu ^{[2
]}

机构：

[1] Kangwon Natl Univ, Dept Sci Educ, Chunchon 200701, South Korea

[2] Kangwon Natl Univ, Dept Chem, Chunchon 200701, South Korea

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2013年 / 34卷 / 03期

关键词：

H-1 and C-13 NMR; Pyrrole; Aldol condensation; Conformation of enones; RESONANCE-SPECTROSCOPIC ANALYSIS; SUBSTITUENT CHEMICAL-SHIFTS; AROMATICITY INDEXES; C-13; THIOPHENE; FURAN; CONDENSATION; REACTIVITY; CHALCONES; ALDEHYDES;

D O I：

10.5012/bkcs.2013.34.3.936

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Series of (E)-1-aryl-3-(2-pyrrolyl)-2-propenones, that were aldol condensation products between pyrrole-2-carbaldehyde and m- and p-substituted acetophenones, were prepared and their H-1 and C-13 NMR spectra were examined to obtain the information on the conformation of the enone system. Similar studies were carried out with (E)-3-aryl-1-(2-pyrroly1)-2-propenones that were prepared from 2-acetylpyrrole and m- and p-substituted benzaldehydes. The substituent chemical shifts were studied by applying the Hammett relationship.

引用

页码：936 / 942

页数：7

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