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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2196721Generated: October 30, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → N-(2,3-dimethyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2,6-difluoro-3-(propylsulfonamido)benzamide

https://huagongshe.com/reaction/2196721

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant2,6-Difluoro-3-[(propylsulfonyl)amino]benzoic acidHCID 46192923—
Reactant2,3-dimethyl-1H-pyrrolo[2,3-b]pyridin-5-amineHCID 67156058—
SolventDimethylformamideHCID 6228—
ProductN-(2,3-dimethyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2,6-difluoro-3-(propylsulfonamido)benzamideHCID 6715573047%

Reaction Steps

2,3-Dimethyl-1H-pyrrolo[2,3-b]pyridin-5-amine (0.048 g, 0.298 mmol), 2,6-difluoro-3-(3-propylsulfonamido)benzoic acid (0.092 g, 0.328 mmol), EDCI (0.063 g, 0.328 mmol) and HOBt (0.040 g, 0.298 mmol) were dissolved in DMF (1.6 mL) and stirred at room temperature for 16 hours. The reaction mixture was directly purified by reverse phase HPLC to give N-(2,3-dimethyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2,6-difluoro-3-(propylsulfonamido)benzamide (0.059 g, 47%) as a solid. 1H NMR (400 MHz, d6-DMSO) 11.23 (s, 1H), 10.77 (s, 1H), 9.19 (br s, 1H), 8.27-8.09 (m, 2H), 7.59-7.39 (m, 1H), 7.28-7.10 (m, 1H), 3.17-2.95 (m, 2H), 2.32 (s, 3H), 2.15 (s, 3H), 1.84-1.65 (m, 2H), 0.98 (s, 3H); m/z (ES-MS) 423.2 (96.1%) [M+1].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08338452B2
Source datasetuspto-grants-2012_12
ORD IDord-4c6b9293e7504e0197043d56e2a0b796
Source noteuspto-grants-2012_12