Zinc and cadmium complexes of an 18-membered N4O2 oxaaza-Schiff base macrocycle and the corresponding reduced form

被引：37

作者：

Adams, H

Bastida, R

Fenton, DE

Macías, A

Spey, SE

Valencia, L

机构：

[1] Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England

[2] Univ Santiago Compostela, Dept Quim Inorgan, E-15706 Santiago, Spain

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1999年 / 23期

关键词：

D O I：

10.1039/a906372b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The metal templated (Cd and Zn) cyclocondensation of 2,6-pyridinedicarbaldehyde and 1,5-bis(2-aminophenoxy)-3-azapentane is reported together with the crystal structures of two mononuclear cadmium macrocyclic Schiff base complexes, [CdL1(NO3)(2)] 1 and [CdL1(H2O)(2)][ClO4](2) 2 and a dinuclear, mu-hydroxy-bridged zinc macrocyclic Schiff base complex [Zn2L21(OH)][ClO4](3). CH3CN 3 . CH3CN. The corresponding reduced macrocycle, L-2, has been synthesised by using the Mn-II-templated cyclocondensation of 2,6-pyridinedicarbaldehyde and 1,5-bis(2-aminophenoxy)-3-azapentane in methanol followed by an in situ reductive demetallation of the Schiff base macrocyclic manganese(II) complex using excess sodium borohydride. The crystal structures of the free macrocycle L-2, [CdL2(NO3)(2)] 4 and [CdL2(CH3CN)(2)][ClO4](2) 5 are reported.

引用

页码：4131 / 4137

页数：7

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