Synthesis of β-linked diporphyrins and their homo- and hetero-bimetallic complexes

被引:62
作者
Zhou, X [1 ]
Chan, KS [1 ]
机构
[1] Chinese Univ Hong Kong, Dept Chem, Shatin, New Territories, Peoples R China
关键词
D O I
10.1021/jo971267s
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
beta-Meta-and -para-linked diporphyrins have been synthesized from two complementary routes using Suzuki cross-coupling and Adler condensation. Porphyrin boronate 6 cross couples with beta-monobromoporphyrin 2 to give unsymmetrically substituted porphyrin dimer 7c in high yield, and Adler condensation of beta-formylphenyltetraphenylporphyrins 9b,c with aryl aldehydes yields electronically tunable diporphyrins 7a-e. The home-and hetero-bimetallic complexes 11a-c have been synthesized. Selective mono-metalation with zinc acetate at the beta-substituted site has been found for 7a. The Zn-Co diporphyrin complex 11c undergoes strong emission quenching compared to that of the diporphyrin 11a and dizinc diporphyrin 11b.
引用
收藏
页码:99 / 104
页数:6
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