lithium (2a-methyl-4-oxo-2a,3,4,5-tetrahydropyrrolo[4,3,2-de]quinolin-1(2H)-yl)acetate 、
(+/-)-3-amino-5,7-dihydrospiro[cyclopenta[c]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one trifluoroacetate 在
chloro-N,N,N',N'-bis(tetramethylene)formamidinium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 18.0h,
生成 2-(2a-methyl-4-oxo-2a,3,4,5-tetrahydropyrrolo[4,3,2-de]quinolin-1(2H)-yl)-N-(2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[c]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-3-yl)acetamide