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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 872791Generated: October 30, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 70656333, compound

https://huagongshe.com/reaction/872791

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
ReactantImidazo[1,2-a]pyrazine-2-carboxylic acidHCID 12674617—
ReactantHCID 67172691HCID 67172691—
SolventDimethylformamideHCID 6228—
ProductHCID 70656333HCID 70656333—

Reaction Steps

Following the method described in Example 34(d), the title compound was prepared from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chloro-3-fluorobenzonitrile (0.34 g, 1.22 mmol), imidazo[1,2-a]pyrazine-2-carboxylic acid (0.2 g, 1.22 mmol), HOBt (0.25 g, 1.84 mmol), DIPEA (0.64 mL, 3.68 mmol) and EDCI (0.35 g, 1.84 mmol) using 10 mL of DMF as solvent. Yield 0.26 g. 1H NMR (400 MHz; MeOD): δ 1.30 (d, 3H), 4.44 (m, 2H), 4.58 (m, 1H), 6.77 (dd, 1H), 7.59 (dd, 1H), 7.78 (d, 1H), 7.90 (d, 1H), 8.14 (dd, 1H), 8.36 (d, 1H), 8.49 (dd, 1H), 9.06 (bs, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08975254B2
Source datasetuspto-grants-2015_03
ORD IDord-6997bea5570745a0b0975734e7640858
Source noteuspto-grants-2015_03