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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1943916Generated: November 3, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 178434469, compound

https://huagongshe.com/reaction/1943916

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant2,6-Difluoro-3-(3-fluoropropylsulfonamido)benzoic acidHCID 58095343—
ReactantHCID 178434468HCID 178434468—
SolventDimethylformamideHCID 6228—
ProductHCID 178434469HCID 17843446929.5%

Reaction Steps

3-Methyl-1H-pyrazolo[3,4-b]pyridin-5-amine (0.100 g, 0.675 mmol, Example 4, Step B), 2,6-difluoro-3-(3-fluoropropylsulfonamido)benzoic acid (0.211 g, 0.709 mmol), EDCI (0.136 g, 0.709 mmol) and HOBt (0.091 g, 0.675 mmol) were dissolved in DMF (1.9 mL) and stirred at room temperature for 16 hours. The reaction mixture was purified by reverse phase HPLC to give 2,6-difluoro-3-(3-fluoropropylsulfonamido)-N-(3-methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)benzamide (0.085 g, 29%) as a solid. 1H NMR (400 MHz, d6-DMSO) δ 13.22 (s, 1H), 11.05 (s, 1H), 9.93 (br s, 1H), 8.60-8.59 (m, 1H), 8.55-8.54 (m, 1H), 7.59-7.53 (m, 1H), 7.30-7.25 (m, 1H), 4.62 (t, 1H), 4.50 (t, 1H), 3.26-3.23 (m, 2H), 2.20-2.07 (m, 2H); m/z (ES-MS) 428.1 (100.0%) [M+1].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08394795B2
Source datasetuspto-grants-2013_03
ORD IDord-8e90b7c98f97430ab6be0662da1b8114
Source noteuspto-grants-2013_03