Total synthesis of the mushroom metabolite (+)-calopin

被引:15
作者
Ebel, H [1 ]
Knör, S [1 ]
Steglich, W [1 ]
机构
[1] Univ Munich, Dept Chem, D-81377 Munich, Germany
关键词
natural product synthesis; calopin; lactones; asymmetric synthesis; ene reaction;
D O I
10.1016/S0040-4020(02)01451-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A synthesis of (+)-calopin (1a) was achieved employing a highly stereoselective ene reaction between 8-phenylmenthyl glyoxylate (3) and the beta,beta-dimethylstyrene 4c. Transesterification of the resulting homoallylic alcohol 5c, followed by allylic oxidation and hydrogenation yielded the delta-lactone 13 which was deprotected to the natural product 1a. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:123 / 129
页数:7
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