反应条件
titanium(IV) isopropylate; chloro-trimethyl-silane; 3,5-di-tert-butylhydroxy-benzoic acid; triethylamine; trifluoroacetic acid; (+)-2-(2-HO-3-Br-5-t-Bu-C6H2-CH=N)-2'-HO-1,1'-binaphthyl 1.) toluene, 23 deg C, 1 h and 1 h, 23 deg C, 2.) toluene, -20 deg C, 15 min, 3.) toluene, -20 deg C to 23 deg C, 6 h, 4.) THF; Yield given. Multistep reaction;
参考文献
Singer, Robert A.; Carreira, Erick M.
Tetrahedron Letters, 1997 , vol. 38, # 6 p. 927 - 930