(R)-α-[Amino]-N-methyl-N-[(2'-cyano)-[1,1'-biphenyl]-4-yl]benzenebutanamide 在
三甲基甲硅烷基锡 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 作用下,
以
甲苯 为溶剂,
生成 [1-Methyl-1-((R)-1-{methyl-[2'-(2H-tetrazol-5-yl)-biphenyl-4-yl]-carbamoyl}-3-phenyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester