反应详情

8-(1-tert-Butoxycarbonyl-piperidin-4-ylsulfamoyl)-4-oxo-4,5-dihydro-3H-pyrrolo[2,3-c]quinoline-1-carboxylic acid is prepared according to synthesis 178, from 2.1 g (6.45 mmol) of 8-chlorosulfonyl-4-oxo-4,5-dihydro-3H-pyrrolo[2,3-c]quinoline-1-carboxylic acid, 1.8 mL (12.9 mmol) of triethylamine and 1.29 g (6.45 mmol) of 4-amino-1-tert-butoxycarbonyl-piperidine to give, after purification by precipitation and trituration in water, 1.86 g (59%) of 8-(1-tert-butoxycarbonyl-piperidin-4-ylsulfamoyl)-4-oxo-4,5-dihydro-3H-pyrrolo[2,3-c]quinoline-1-carboxylic acid in the form of a beige solid.

1. customto give
2. customafter purification
3. customby precipitation and trituration in water