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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872552Generated: October 30, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 178466819, compound

https://huagongshe.com/reaction/872552

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
Reactant3-acetyl-1H-pyrazole-5-carboxylic acidHCID 16767346—
Reactant4-(1-(2-aminoethyl)-1H-pyrazol-3-yl)-2-nitrobenzonitrileHCID 67172577—
ProductHCID 178466819HCID 17846681973.4%

Reaction Steps

The title compound was prepared from 4-(1-(2-aminoethyl)-1H-pyrazol-3-yl)-2-nitrobenzonitrile (0.50 g, 1.94 mmol), 3-acetyl-1H-pyrazole-5-carboxylic acid (0.30 g, 1.94 mmol), HOBt (0.31 g, 2.33 mmol), DIPEA (0.41 ml, 2.33 mmol) and EDCI (0.44 g, 2.33 mmol) using the method of Example 34(d) producing 0.56 g of the title compound. 1H-NMR (400 MHz; d6-DMSO): δ 2.48 (s, 3H), 3.69-3.73 (m, 2H), 4.39 (t, 2H), 7.05 (d, 1H), 7.30 (s, 1H), 7.88 (d, 1H), 8.18 (d, 1H), 8.32 (d, 1H), 8.66 (d, 1H), 14.16 (s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-e84d728cb2ee4964b1254a55ac6cbe1b
Source noteuspto-grants-2015_03