1: With silver trifluoromethanesulfonate; (S)-(-)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl in toluene T=-50°C; 40 h; Inert atmosphere; 2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone in benzene T=20°C; optical yield given as percent eestereospecific reaction;
1: allyltributylstannane; C18H5BF10*C16H36N(1+)*Br(1-) in dichloromethane-d2 T=20°C; 2: ortho-anisaldehyde With tris(pentafluorophenyl)-borane in dichloromethane-d2 T=20°C; 6 h; Title compound not separated from byproducts;
参考文献
Morrison, Darryl J.; Piers, Warren E.
Organic Letters, 2003 , vol. 5, # 16 p. 2857 - 2860