tert-butyl (4aS,7aR)-hexahydrofuro[3,4-b]pyrazine-1(2H)-carboxylate 在
methanesulfonato(2-bis(3,5-di(trifluoromethyl)phenylphosphino)-3,6-dimethoxy-2',6'-bis(dimethylamino)-1,1'-biphenyl)(2'-methylamino-1,1'-biphenyl-2-yl)palladium(II) 、 2’-(bis(3,5-bis(trifluoromethyl)phenyl)phosphino)-3’,6’-dimethoxy-N2,N2,N6,N6-tetramethyl-[1,1‘-biphenyl]-2,6-diamine 、
potassium carbonate 、
caesium carbonate 作用下,
以
1,4-二氧六环 、
二氯甲烷 、
乙腈 为溶剂,
反应 27.0h,
生成 2-(((4aS,7aR)-4-(2-(4-chloro-2-fluorophenyl)-2-methylbenzo[d][1,3]dioxol-4-yl)hexahydrofuro[3,4-b]pyrazin-1(2H)-yl)methyl)-4-methoxy-1-(((S)-tetrahydrofuran-2-yl)methyl)-1H-benzo[d]imidazole-6-carboxylic acid