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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1882155Generated: October 31, 2026

1,3,4-Thiadiazol-2-amine, 5-(trifluoromethyl)- → 6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-methoxyphenyl]vinyl}-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]imidazo[2,1-b][1,3]thiazole-5-carboxamide

https://huagongshe.com/reaction/1882155

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3,4-Thiadiazol-2-amine, 5-(trifluoromethyl)-HCID 82634—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-methoxyphenyl]vinyl}imidazo[2,1-b][1,3]thiazole-5-carboxylic acidHCID 67549485—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-methoxyphenyl]vinyl}-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]imidazo[2,1-b][1,3]thiazole-5-carboxamideHCID 46832954—

Reaction Steps

The title compound was prepared according to the general procedure (Method B) by coupling Intermediate 3 (150 mg, 0.388 mmol) with 5-(trifluoromethyl)-1,3,4-thiadiazol-2-amine (78 mg, 0.465 mmol) in the presence of EDCI hydrochloride (148 mg, 0.776 mmol) and DMAP (71 mg, 0.582 mmol) in a mixture of DCM and DMF (4:1, 10 mL) to give 80 mg of the product as an off-white solid; 1H NMR (300 MHz, CDCl3) δ 1.02 (s, 9H), 3.56 (s, 2H), 3.83 (s, 3H), 6.79-6.82 (m, 2H), 6.84-6.94 (m, 2H), 7.28 (d, J=16.5 Hz, 1H), 7.66 (d, J=15.9 Hz, 1H), 8.11 (d, J=4.5 Hz, 1H); ESI-MS (m/z) 538.27 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318928B2
Source datasetuspto-grants-2012_11
ORD IDord-0942fb531d4e43389ce562a834a0123b
Source noteuspto-grants-2012_11