3-(6-tert-butoxycarbonylamino-4-methyl-pyridin-2-ylmethyl)-4-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester 、
N1-(3-fluorophenethyl)-N1,N2-dimethylethane-1,2-diamine 在
sodium cyanoborohydride 、
溶剂黄146 作用下,
以
甲醇 为溶剂,
反应 36.0h,
以76%的产率得到(+/-)-tert-butyl 3-{[6'-(tert-butoxycarbonylamino)-4'-methylpyridin-2'-yl]methyl}-4-{{2'-[(3''-fluorophenethyl)(methyl)amino]ethyl}(methyl)amino}pyrrolidin-1-carboxylate