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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1882161Generated: November 1, 2026

1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride → 6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-(difluoromethoxy)phenyl]vinyl}-N-(4-cyclobutyl-1,3-thiazol-2-yl)imidazo[2,1-b][1,3]thiazole-5-carboxamide

https://huagongshe.com/reaction/1882161

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant4-Cyclobutyl-1,3-thiazol-2-amineHCID 22063634—
Reactant6-{(E)-2-[3-(Difluoromethoxy)-2-(2,2-dimethylpropoxy)phenyl]vinyl}imidazo[2,1-b][1,3]thiazole-5-carboxylic acidHCID 68407345—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDimethylformamideHCID 6228—
SolventTetrahydrofuranHCID 8028—
Product6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-(difluoromethoxy)phenyl]vinyl}-N-(4-cyclobutyl-1,3-thiazol-2-yl)imidazo[2,1-b][1,3]thiazole-5-carboxamideHCID 46833559—

Reaction Steps

The title compound was prepared according to the general procedure (Method B) by coupling Intermediate 7A (100 mg, 0.236 mmol) with 4-(cyclobutyl)-1,3-thiazol-2-amine (40 mg, 0.260 mmol) in the presence of EDCI hydrochloride (90 mg, 0.472 mmol), DMAP (26 mg, 0.236 mmol) in a mixture of THF and DMF (1:1, 4 mL) to give 50 mg of the product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 1.07 (s, 9H), 1.84-1.90 (m, 2H), 1.95-2.05 (m, 1H), 2.15-2.30 (m, 4H), 3.58 (s, 2H), 6.73 (s, 1H), 7.18 (t, J=75.0 Hz, 1H), 7.20-7.30 (m, 2H), 7.38-7.44 (m, 1H), 7.66-7.72 (m, 1H), 7.83 (d, J=16.2 Hz, 1H), 8.10-8.18 (m, 1H), 8.62-8.68 (m, 1H), 12.87 (br s, 1H); ESI-MS (m/z) 559.22 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318928B2
Source datasetuspto-grants-2012_11
ORD IDord-4f865578379e4dc9b31d2a7e2e840662
Source noteuspto-grants-2012_11