Stereocontrolled approach to the highly functionalized bicyclo[3.2.0] heptane core of bielschowskysin through intramolecular Cu(I)-catalyzed [2+2] photocycloaddition

被引:22
作者
Jana, Anupam [1 ]
Mondal, Sujit [1 ]
Hossain, Md Firoj [1 ]
Ghosh, Subrata [1 ]
机构
[1] Indian Assoc Cultivat Sci, Dept Organ Chem, Kolkata 700032, W Bengal, India
关键词
Cycloaddition; Photochemistry; Stereocontrol; Terpenes; DERIVATIVES; CATALYSIS;
D O I
10.1016/j.tetlet.2012.10.018
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A direct route for the synthesis of highly functionalized bicyclo[3.2.0]heptane core containing the bridged lactone with the functionalized C-12 substituent of bielschowslcysin is reported. The key step involves a stereoselective Cu (I)-catalyzed [2+2] photocycloaddition of a 1,6-diene embedded in a sugar derivative. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:6830 / 6833
页数:4
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