A general approach to L-tyrosine plorphyrins

被引:14
作者
Chen, H [1 ]
Shao, XB [1 ]
Jiang, XK [1 ]
Li, ZT [1 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
基金
中国国家自然科学基金;
关键词
L-tyrosine; synthesis; Reimer-Tiemann reaction;
D O I
10.1016/S0040-4020(03)00487-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A novel and general approach has been developed to prepare L-tyrosine-containing porphyrins. The key intermediates, 2-tert-butoxycarbonylamino-3-(3-formyl-4-hexyloxy-phenyl)-propionic acid bexyl ester and 2-tert-butoxycarbonylamino-3-(3-formyl-4-methoxy-phenyl)-propionic acid methyl ester, were prepared by the Reimer-Tiemann reaction of Boc-protected L-tyrosine, which was followed by esterification and alkylation of the phenol hydroxide. A number of novel chiral L-tyrosine porphyrins were obtained from the reactions of 2-tert-butoxycarbonylamino-3-(3-formyl-4-alkoxy-phenyl)-propionic acid ester with different dipyrrolylmethanes and the reaction of 5-(4-trifluoromethylphenyl)pyrromethane afforded the highest yield. The tyrosine porphyrins could be readily deprotected to afford the corresponding diacid or diamine derivatives. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:3505 / 3510
页数:6
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