Highly stereoselective cyclopropanation of glycals with cyclic diazoamides: a facile synthesis of spirooxindolyl sugar derivatives

B V Subba Reddy,Tamilselvan Rajasekaran,Govindaraju Karthik,T Prabhakar Rao

Tetrahedron Letters（2012）

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摘要

Rhodium(II) acetate catalyzed intermolecular cyclopropanation of glycals with cyclic carbenoids generated from 3-diazo-2-oxindole has been achieved to produce a novel series of spirooxindolyl sugar derivatives in good yields under mild experimental conditions.

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关键词

Cyclopropanation,Glycals,Rhodium(II) acetate,Spirooxindoles,Diazoamides

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