A study on the oxidation of 2-hydroxyporphyrins to porphyrin-α-diones

被引:23
作者
Beavington, R [1 ]
Rees, PA [1 ]
Burn, PL [1 ]
机构
[1] Dyson Perrins Lab, Oxford OX1 3QY, England
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1998年 / 17期
关键词
D O I
10.1039/a803633k
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Porphyrin-alpha-diones have been used for the preparation of extended rigidly oriented porphyrin systems. Copper 2, free-base 3, and zinc 4 2-hydroxyporphyrins have been prepared by an improved method and treated with a range of oxidants to form the corresponding porphyrin-alpha-diones, 5, 6, and 7 in yields of up to 94%, We have found that the free-base 2-hydroxyporphyrin 3 was easily oxidised and usually gave the best yields of porphyrin-alpha-dione. In this study the most effective general oxidant was determined to be the Dess-Martin periodinane which oxidised all three 2-hydroxyporphyrins to their respective porphyrin-alpha-diones in good yields.
引用
收藏
页码:2847 / 2851
页数:5
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