反应条件
1: 78 percent / aluminum chloride / 0 deg C, 1 h then 80 deg C, 2 h 2: 80 percent / hydrazine hydrate, potassium hydroxide / bis-(2-hydroxy-ethyl) ether / 130 deg C, 2 h then 200 deg C, 2 h 3: 1.) butyl-lithium; 2.) tri-isopropyl borate; 3.) aq. sodium carbonate / 3.) tetrakis(triphenylphosphine)palladium(o) / 1.) THF/hexane, -78 deg C, 2.5 h; 2.) THF/hexane, rt.; 3.) ethanol/benzene, 23 h, reflux 4: 1.) butyl-lithium; 2.) tri-isopropyl borate; 3.) aq. sodium carbonate / 3.) tetrakis(triphenylphosphine)palladium(o) / 1.) THF/hexane, -78 deg C, 2.5 h; 2.) THF/hexane, rt.; 3.) ethanol/benzene, 23 h, reflux View Scheme
参考文献
Gray, George W.; Hird, Michael; Lacey, David; Toyne, Kenneth J.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1989 , p. 2041 - 2054
