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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1910223Generated: October 26, 2026

Diisopropylethylamine → isoquinoline-3-carboxylic acid [5-ethoxy-7-(1H-imidazol-2-ylcarbamoyl)-1H-benzoimidazol-2-yl]-amide

https://huagongshe.com/reaction/1910223

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantBis(2-amino-1H-imidazole) sulphateHCID 135136—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
Reactant2-[(isoquinoline-3-carbonyl)-amino]-6-ethoxy-1H-benzoimidazole-4-carboxylic acidHCID 66940289—
SolventDimethylformamideHCID 6228—
SolventSodium chloride; waterHCID 57417360—
Productisoquinoline-3-carboxylic acid [5-ethoxy-7-(1H-imidazol-2-ylcarbamoyl)-1H-benzoimidazol-2-yl]-amideHCID 17846681423%

Reaction Steps

100 mg (0.3 mmol) of 2-[(isoquinoline-3-carbonyl)-amino]-6-ethoxy-1H-benzoimidazole-4-carboxylic acid and 200 mg (0.53 mmol) of HBTU were dissolved in 1.0 mL of DMF and 0.5 mL of DIEA and reacted with 132 mg (1.0 mmol) of 2-aminoimidazole sulfate as described in general procedure A. Upon completion, the reaction was diluted with brine. The resulting solid was filtered, washed with water and EtOAc, and dried under vacuum to produce 30 mg (23%) of isoquinoline-3-carboxylic acid [5-ethoxy-7-(1H-imidazol-2-ylcarbamoyl)-1H-benzoimidazol-2-yl]-amide. LCMS: 443 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08598353B2
Source datasetuspto-grants-2013_12
ORD IDord-5f6c778281774822ba24747c766fdb79
Source noteuspto-grants-2013_12