苄氧基乙醛 、
piperidinium 3-(2-((1,2-dimethylhydrazinyl)methyl)-1H-indol-1-yl)propanoate 在
aldehyde 作用下,
以to produce the azacarboline product (Compound 5)的产率得到3-(1-((benzyloxy)methyl)-2,3-dimethyl-3,4-dihydro-1H-pyridazino[4,5-b]indol-5(2H)-yl)propanoic acid