A COBALOXIME-MEDIATED SYNTHESIS OF THE RAS FARNESYL-PROTEIN TRANSFERASE INHIBITOR CHAETOMELLIC ACID-A

被引:37
作者
BRANCHAUD, BP
SLADE, RM
机构
[1] Department of Chemistry, University of Oregon, Eugene
关键词
D O I
10.1016/S0040-4039(00)73114-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A short and efficient synthesis of chaetometlic acid A anhydride (2) is reported utilizing a doubly chemoselective cross coupling of myristyl cobaloxime with citraconic anhydride and diphenyl disulfide as the key step. Sulfide oxidation followed by syn elimination provides 2 in 64% overall yield starting from myristyl bromide. Basic hydrolysis of 2 is known to provide chaetomellic acid A dianion (3), the biologically active form.
引用
收藏
页码:4071 / 4072
页数:2
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