Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 246624Generated: October 31, 2026

1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 71280017, compound

https://huagongshe.com/reaction/246624

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant2-amino-2-methylpropanenitrile hydrochlorideHCID 12239465—
Reactant2-(6-chloro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acidHCID 71280096—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDimethylformamideHCID 6228—
ProductHCID 71280017HCID 7128001731%

Reaction Steps

A mixture of 2-(6-chloro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (0.07 g, 0.3 mmol), 2-amino-2-methylpropanenitrile hydrochloride (0.05 g, 0.42 mmol), EDCI (0.057 g, 0.3 mmol), DMAP (0.037 g, 0.3 mmol), and DIPEA (0.163 g, 1.26 mmol) in 10 mL of DMF were stirred at room temperature for 5 hours. Then HATU (0.114 g, 0.3 mmol) was added, the final reaction mixture was stirred for additional 15 hours. The solvent was removed under reduced pressure at 70° C., then the residue was triturated with water and ethyl acetate successively then decanted and dried to give 2-(6-chloro-1-methyl-1H-indazol-3-yl)-N-(2-cyanopropan-2-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (0.026 g, 31%) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08658646B2
Source datasetuspto-grants-2014_02
ORD IDord-dd40738205114787aea8fe436c9475ca
Source noteuspto-grants-2014_02