1: 1.) THF, EtMgBr, RT, 1 h; 2.) diethyl ether, -25 deg C for 45 min then 1 h at RT then 15 min at 30 deg C
2: 81 percent / p-toluenesulfonic acid / benzene / Heating
View Scheme
参考文献
Kruithof, Klaas J. H.; Schmitz, Robert F.; Klumpp, Gerhard W.
Tetrahedron, 1983 , vol. 39, # 19 p. 3073 - 3082
n-butyllithium in tetrahydrofuran; hexane
addn. of BuLi to Si-derivative (THF/hexane=5:2, -65°C, 30 min), then Me3GeCl addn.; treatment with H2O, distn.;
参考文献
Kruithof, Klaas J. H.; Schmitz, Robert F.; Klumpp, Gerhard W.
Journal of the Chemical Society, Chemical Communications, 1983 , # 5 p. 239