in dichloromethane byproducts: PC(C6H2(C(CH3)3)3); (Ar); mixt. is stirred at room temp. for 12 h; solvent is evapd. under vacuum, residue is extd. with hexanes, filtn. (Celite), volume is reduced, crystn. at -78°C;
in dichloromethane byproducts: PC(C6H2(C(CH3)3)3); (Ar); mixt. is stirred at room temp. for 12 h; solvent is evapd. under vacuum, residue is extd. with hexanes, filtn. (Celite), volume is reduced, crystn. at -78°C;
in dichloromethane byproducts: PC(C6H2(C(CH3)3)3); (Ar); mixt. is stirred at room temp. for 12 h; solvent is evapd. under vacuum, residue is extd. with hexanes, filtn. (Celite), volume is reduced, crystn. at -78°C;
sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride in hexane
参考文献
Yoshifuji, Masaaki; Toyota, Kozo; Yoshimura, Hideki; Hirotsu, Ken; Okamoto, Akihiro
Journal of the Chemical Society, Chemical Communications, 1991 , # 2 p. 124 - 125