spiro[cyclopentane-1,3'-indol]-2'(1'H)-one 、
2-(chloromethyl)-1-isopentyl-1H-benzo[d]imidazole hydrochloride 以to provide 60 mg (0.22 mmol, 15%) of the desired compound as a colourless solid的产率得到1'-((1-isopentyl-1H-benzo[d]imidazol-2-yl)methyl)spiro[cyclopentane-1,3'-indolin]-2'-one