A SINGULAR SUBSTITUENT EFFECT IN THE NICKEL(0) MEDIATED COCYCLISATION OF OCTA-1,7-DIYNES WITH ALKYNOLS - ONE-STEP SYNTHESIS OF TETRALIN LACTONES FROM ACYCLIC PRECURSORS

被引:24
作者
BHATARAH, P [1 ]
SMITH, EH [1 ]
机构
[1] IMPERIAL COLL SCI TECHNOL & MED,DEPT CHEM,S KENSINGTON,LONDON SW7 2AY,ENGLAND
关键词
D O I
10.1039/c39910000277
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Whereas the reaction of simple octa-1,7-diynes is fruitless, those bearing ester groups on the terminal positions react with alkynols in the presence of stoichiometric amounts of a nickel(0) reagent derived from NiCl2(PPh3)2 and Bu(n)Li to give tetralin lactones in moderate to good yields.
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页码:277 / 278
页数:2
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