Spontaneous assembly of a Schiff base tetramacrocycle

被引：0
|
作者：
Schmidt, S
Bauer, W
Heinemann, FW
Lanig, H
Grohmann, A
机构：
[1] Univ Erlangen Nurnberg, Inst Anorgan Chem, D-91058 Erlangen, Germany
[2] Univ Erlangen Nurnberg, Inst Organ Chem, D-91054 Erlangen, Germany
[3] Univ Erlangen Nurnberg, Inst Organ Chem, Comp Chem Ctr, D-91052 Erlangen, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2000年 / 39卷 / 05期
关键词：
macrocycles; molecular dynamics; Schiff bases; template synthesis;
D O I：
10.1002/(SICI)1521-3773(20000303)39:5<913::AID-ANIE913>3.0.CO;2-Y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A hexaprotonated 'supermacrocycle' of Schiff base macrocycles forms as the only product (>90% yield) in a nine-component condensation of the tetrapodal pentaamine 1 with the dialdehyde 2 in the presence of protons (see scheme). The molecule is chiral, and enantiomers in the racemic mixture interconvert by inversion of the large macrocyclic ring, as documented by 1H ROESY/EXSY NMR spectroscopy.
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页码：913 / +
页数：5
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