Cytosporone E: racemic synthesis and preliminary antibacterial testing

被引:35
作者
Hall, JD
Duncan-Gould, NW
Siddiqi, NA
Kelly, JN
Hoeferlin, LA
Morrison, SJ
Wyatt, JK
机构
[1] Coll Charleston, Dept Chem & Biochem, Charleston, SC 29424 USA
[2] Coll Charleston, Dept Biol, Charleston, SC 29424 USA
关键词
phthalide; antibiotic; Meyers ortho-alkylation; chiral oxazoline; endophytic fungus;
D O I
10.1016/j.bmc.2004.10.018
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The antibiotic cytosporone E (isolated from the broth of the endophytic fungi CR 200 (Cytospora sp.) and CR 146 (Diaporthe sp.)) was synthesized as a racemic mixture. The key step in the synthesis is the Meyers ortho-alkylation of a chiral aromatic oxazoline. Preliminary antibiotic activity shows antibiosis against Gram-positive bacteria but not Gram-negative bacteria as previously reported. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1409 / 1413
页数:5
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