Vinyl-copper derivatives XIII: Synthesis of conjugated dienes of very high stereoisomeric purity
作者:N. Jabri、A. Alexakis、J.F. Normant
DOI:10.1016/0040-4039(81)89020-x
日期:1981.1
Conjugated dienes are obtained by coupling of alkenyl cuprates and alkenyl halides in the presence of ZnBr2 and a catalytic amount of PdoL4.
共轭二烯是通过在ZnBr 2和催化量的Pd o L 4存在下,将链烯基铜酸酯和链烯基卤化物偶联而获得的。
Vinyl-copper derivatives 151 : an efficient synthesis of polysubstituted conjugated dienes
作者:N Jabri、A Alexakis、J.F Normant
DOI:10.1016/s0040-4039(00)87166-x
日期:1982.1
Magnesium vinyl-copperderivatives, obtained by carbocupration of terminal alkynes, couple with 1-halo-1-alkenes, in the presence of Pd(PPh3)4 catalyst, to afford polysubstituted conjugated dienes in high yield and excellent stereoisomeric purity.