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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872546Generated: October 30, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 178466830, compound

https://huagongshe.com/reaction/872546

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
Reactant3-acetyl-1H-pyrazole-5-carboxylic acidHCID 16767346—
Reactant(S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2,6-difluorobenzonitrileHCID 67173068—
ProductHCID 178466830HCID 17846683027.3%

Reaction Steps

The title compound was prepared from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2,6-difluorobenzonitrile (0.7 g, 2.67 mmol), 3-acetyl-1H-pyrazole-5-carboxylic acid (0.494 g, 3.20 mmol), HOBt (0.433 g, 3.20 mmol), DIPEA (0.558 ml, 3.20 mmol) and EDCI (0.614 g, 3.20 mmol) using the method of Example 34(d) producing 0.29 g of the title compound. 1H-NMR (400 MHz; d6-DMSO): δ 1.17 (m, 3H), 4.32 (m, 2H), 4.44 (m, 1H), 6.97 (m, 1H), 7.31 (m, 1H), 7.71 (m, 2H), 7.83 (m, 1H), 8.44 (m, 1H), 14.15 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-17e020c0bfa548dfad8b99ca7d642115
Source noteuspto-grants-2015_03