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

Participants

Role	Name	HCID	Charge
Reactant	1-Hydroxybenzotriazole	HCID 75771	—
Reactant	2-Thiazolamine, 4-(trifluoromethyl)-	HCID 1201417	—
Reactant	1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride	HCID 2723939	—
Reactant	1,3,5-trimethylthieno[3,4-d]pyrimidine-2,4(1H,3H)-dione	HCID 71008093	—
Catalyst	4-(Dimethylamino)pyridine	HCID 14284	—
Solvent	1,2-Dichloroethane	HCID 11	—
Product	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	HCID 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

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US08507503B2
Source dataset	uspto-grants-2013_08
ORD ID	ord-1115e89f9ce54eb1abb4d1bb58d927b5
Source note	uspto-grants-2013_08