5-(4-hydroxy-1-methyl-piperidin-4-ylmethyl)-3-methyl-4-oxo-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehyde 、
5-氯氧化吲哚 在
2-(5-chloro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5-(4-hydroxy-1-methyl-piperidin-4-ylmethyl)-3-methyl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one 作用下,
以to give 2-(5-chloro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5-(4-hydroxy-1-methyl-piperidin-4-ylmethyl)-3-methyl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one (44 mg, 59.14%) as a yellow solid的产率得到2-(5-chloro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5-(4-hydroxy-1-methyl-piperidin-4-ylmethyl)-3-methyl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one