The absolute stereochemistry of anachelins, siderophores from the cyanobacterium Anabaena cylindrica

被引:39
作者
Ito, Y [1 ]
Ishida, K [1 ]
Okada, S [1 ]
Murakami, M [1 ]
机构
[1] Univ Tokyo, Grad Sch Agr & Life Sci, Marine Biochem Lab, Bunkyo Ku, Tokyo 1138657, Japan
基金
日本学术振兴会;
关键词
anachelin; siderophore; iron; cyanobacteria; Anabaena cylindrica;
D O I
10.1016/j.tet.2004.07.105
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The absolute stereochemistry of anachelins (1 and 2), siderophores isolated from the freshwater cyanobacterium Anabaena cylindrica, was determined via the application of Boc-phenylglycine and Mosher's method. Consequently, it was revealed that a 1,1-dimethyl-3-amino-1,2,3,4-tetrahydro-6,7-dihydroxyquinolinium unit (Dmaq) has 3S (eq.) configuration, and a 6-amino-3,5,7-trihydroxy-heptanoic acid unit (Atha) has 3R, 5S, 6S configuration. The 6S configuration of Atha suggested that L-Ser was a biosynthetic precursor of Atha. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:9075 / 9080
页数:6
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