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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 877026Generated: October 25, 2026

1-Hydroxybenzotriazole → 2-(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-5-yl)-N-[4-(trifluoromethyl)-1,3-thiazol-2-yl]acetamide

https://huagongshe.com/reaction/877026

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant2-Thiazolamine, 4-(trifluoromethyl)-HCID 1201417—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant1,3,5-trimethylthieno[3,4-d]pyrimidine-2,4(1H,3H)-dioneHCID 71008093—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
Solvent1,2-DichloroethaneHCID 11—
Product2-(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-5-yl)-N-[4-(trifluoromethyl)-1,3-thiazol-2-yl]acetamideHCID 46927022—

Reaction Steps

The title compound was prepared according to the general procedure (Method A) by coupling Intermediate 1 (100 mg, 0.393 mmol) with 4-(trifluoromethyl)-1,3-thiazol-2-amine (66 mg, 0.393 mmol) in the presence of EDCI hydrochloride (90 mg, 0.471 mmol), HOBt (16 mg, 0.118 mmol) and DMAP (5 mg, 0.039 mmol) in 1,2 dichloroethane (4 ml) to give 27 mg of the product as a white solid; 1H NMR (300 MHz, DMSO-d6) δ 3.18 (s, 3H), 3.46 (s, 3H), 4.05 (s, 2H), 7.07 (s, 1H), 7.91 (s, 1H), 12.70 (br s, 1H); APCI-MS (m/z) 404.97 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08987278B2
Source datasetuspto-grants-2015_03
ORD IDord-f2f002be385c43dab5743f6b12e5841b
Source noteuspto-grants-2015_03