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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 410901Generated: October 31, 2026

Ethylamine → HCID 58397739, compound

https://huagongshe.com/reaction/410901

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
ReactantHCID 58397597HCID 58397597—
SolventDimethylformamideHCID 6228—
ProductHCID 58397739HCID 58397739—

Reaction Steps

1-Isobutyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid ethylamide (47.0 mg) was prepared by following General Procedure F starting from 1-isobutyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzo-imidazole-5-carboxylic acid (100.0 mg), ethylamine (2.0 M solution in THF, 0.5 mL), HBTU (130.0 mg) and DIEA (0.1 mL) in DMF (1.0 mL). LCMS: m/z 479 and 1H NMR (DMSO-d6, 400 MHz): δ 8.43 (1H, m), 8.09 (1H, m), 7.91 (1H, m), 7.73 (1H, m), 7.54 (1H, m), 7.37-7.35 (1H, m), 4.04-4.00 (2H, m), 3.32 (2H, m), 2.28 (1H, m), 1.16-1.13 (3H, t), 0.95-0.91 (6H, m), 2 —NH proton signals were not observed.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08759535B2
Source datasetuspto-grants-2014_06
ORD IDord-3a5e30ebe64a48278a388a067e8564c9
Source noteuspto-grants-2014_06