Lithium bis-(diisopropylamino)boracetylide [LiC=C-B(Ni-Pr-2)(2)]. A new reagent for the preparation of terminal alkynes

被引:11
作者
Blanchard, C [1 ]
Vaultier, M [1 ]
Mortier, J [1 ]
机构
[1] UNIV RENNES 1,CNRS,F-35042 RENNES,FRANCE
关键词
D O I
10.1016/S0040-4039(97)10394-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Terminal alkynes RC=CH [R = PhCO, PhCH2OCO, (CH3)(2)CHCH2OCO. Et2NCO. (EtO)(2)P(O), PhCH2, H2C=CH-CH2, and Ph-CH(OH)-] may be prepared in satisfactory yield in a one-pot process by reaction in THF at -78 degrees C of the titled reagent with electrophiles followed by acidic workup with dilute HCl. (C) 1997 Elsevier Science Ltd.
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页码:8863 / 8866
页数:4
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