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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1910251Generated: October 26, 2026

Diisopropylethylamine → Isoquinoline-3-carboxylic acid [5-ethoxy-4-fluoro-7-(1H-imidazol-2-ylcarbamoyl)-1H-benzoimidazol-2-yl]-amide

https://huagongshe.com/reaction/1910251

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—
Reactant6-ethoxy-7-fluoro-2-[(isoquinoline-3-carbonyl)-amino]-3H-benzoimidazole-4-carboxylic acidHCID 66940509—
SolventDimethylformamideHCID 6228—
SolventSodium chloride; waterHCID 57417360—
ProductIsoquinoline-3-carboxylic acid [5-ethoxy-4-fluoro-7-(1H-imidazol-2-ylcarbamoyl)-1H-benzoimidazol-2-yl]-amideHCID 5872444746.4%

Reaction Steps

60 mg (0.15 mmol) of 6-ethoxy-7-fluoro-2-[(isoquinoline-3-carbonyl)-amino]-3H-benzoimidazole-4-carboxylic acid (from Example 485) and 100 mg (0.25 mmol) of HBTU were dissolved in 1.0 mL of DMF and 0.2 mL of DIEA and treated with 50 mg (0.5 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 32 mg (46%) of Isoquinoline-3-carboxylic acid [5-ethoxy-4-fluoro-7-(1H-imidazol-2-ylcarbamoyl)-1H-benzoimidazol-2-yl]-amide. LCMS: 460 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08598353B2
Source datasetuspto-grants-2013_12
ORD IDord-3a4bc3484081447a81e410133b51eb2e
Source noteuspto-grants-2013_12