Synthesis and comparative study of three monomeric boronates by spectroscopic methods and X-ray crystallography

被引：45
|
作者：
Höpfl, H
Sánchez, M
Farfán, N
Barba, V
机构：
[1] Univ Autonoma Estado Morelos, Ctr Invest Quim, Cuernavaca 62210, Morelos, Mexico
[2] Inst Politecn Nacl, Ctr Invest & Estudios Avanzados, Dept Quim, Mexico City 07000, DF, Mexico
来源：
CANADIAN JOURNAL OF CHEMISTRY | 1998年 / 76卷 / 10期
关键词：
boronates; boron complexes; tridentate azomethine ligands; phenylboronic acid; X-ray crystallography;
D O I：
10.1139/cjc-76-10-1352
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Three boronates have been synthesized by reaction of tridentate azomethine ligands derived from salicylaldehyde with phenylboronic acid. The [5.4.0], [4.4.0], and [4.3.0]heterobicyclic structures obtained have been characterized by NMR spectroscopy and X-ray crystallography, whereby it could be proved that the [4.4.0]heterobicycle is the most stable one. Unexpectedly the salicylideneaminoethanol derivative does not lead to a macrocyclic structure, although molecular modeling reveals high ring strain for the monomeric product that is actually obtained.
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收藏
页码：1352 / 1360
页数：9
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