Tetrahedron Letters

Application of benzothiazoles to carbon-carbon bond formation in organic synthesis

EJ Corey, DL Boger

文献索引：Corey,E.J.; Boger,D.L. Tetrahedron Letters, 1978 , # 1 p. 9 - 12

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被引用次数: 21

摘要

I. VINYL BT's AS MICHAEL ACCEPTORS. An extensive and useful series of annulation processes could be developed if a reliable method were found for the conjugate addition of carbon nucleophiles to a, B-unsaturated aldehydes. However, direct 1, 4-addition to conjugated aldehydes is usually thwarted by addition at the carbonyl carbon. 2* 3 We now report that organo-lithium reagents undergo clean conjugate addition to the model vinyl ...