LIEBESKIND, LANNY S.;FOSTER, BRUCE S., J. AMER. CHEM. SOC., 112,(1990) N3, C. 8612-8613
作者:LIEBESKIND, LANNY S.、FOSTER, BRUCE S.
DOI:——
日期:——
Stannylquinones. Synthesis and utilization as quinone carbanion synthetic equivalents
作者:Lanny S. Liebeskind、Bruce S. Foster
DOI:10.1021/ja00179a072
日期:1990.11
Synthese des derives de (3-tributylstannyl)1,4-benzoquirone a partir de derives d'(4-ethynyl-4-hydroxy)cyclobut-2-enone et de methoxy tributyl stannane
这些合成衍生出 (3-三丁基锡烷基)1,4-苯并喹酮 a 部分衍生衍生出 d'(4-乙炔基-4-羟基)环丁-2-烯酮和去甲氧基三丁基锡烷
Palladium-catalyzed oxidative dimerization of stannylquinones. A simple method for the synthesis of symmetrical 2,2′-bisquinones.
作者:Lanny S. Liebeskind、Steven W. Riesinger
DOI:10.1016/s0040-4039(00)93528-7
日期:1991.10
Stannylquinones, prepared by heating 4-alkynyl-4-hydroxy-2-cyclobutenones with n-Bu3SnOMe, undergo oxidative dimerization to 2,2′-bisquinones in N-methylpyrrolidone in the presence of 10% Cl2Pd(PPh3)2 and 20% CuI using a full equivalent of 1,4-benzoquinone as the stoichiometric oxidant.