Stereoselective total synthesis of (±)-swainsonine based on endo mode cyclization

被引:58
作者
Mukai, C [1 ]
Sugimoto, Y [1 ]
Miyazawa, K [1 ]
Yamaguchi, S [1 ]
Hanaoka, M [1 ]
机构
[1] Kanazawa Univ, Fac Pharmaceut Sci, Kanazawa, Ishikawa 920, Japan
关键词
D O I
10.1021/jo980598h
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new stereoselective total synthesis of (+/-)-swainsonine is described. Successive treatment of cis-3,4-epoxy- 7-(p-toluene sulfonamido)-1-heptyne with dicobalt octacarbonyl, Lewis acid, and cerium(IV) ammonium nitrate effected stereoselective formation of the trans-2-ethynyl-3-hydroxypiperidine skeleton with retention of configuration at the propynyl center. The piperidine derivative thus prepared was converted into the title compound efficiently.
引用
收藏
页码:6281 / 6287
页数:7
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