2,7-Bis-(piperidine-1-carbonyl)-fluoren-9-one 、 9-Oxo-9H-fluorene-2,7-dicarboxylic acid bis-diallylamide 、
N,N,N',N'-tetraethyl-9-oxofluorene-2,7-dicarboxamide 以results in the formation of 2,7-bis(piperidinomethyl)fluoren-9-ol的产率得到2,7-bis(piperidinomethyl) fluoren-9-ol