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

Participants

Role	Name	HCID	Charge
Reactant	1-Hydroxybenzotriazole	HCID 75771	—
Reactant	4-(4-Isobutylphenyl)-1,3-thiazol-2-amine	HCID 869862	—
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-(4-isobutylphenyl)-1,3-thiazol-2-yl]acetamide	HCID 46927772	—

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-(4-isobutylphenyl)-1,3-thiazol-2-amine (91 mg, 0.393 mmol) in the presence of EDCI hydrochloride (90 mg, 0.472 mmol), HOBt (16 mg, 0.117 mmol) and DMAP (5 mg, 0.039 mmol) in 1,2 dichloroethane (4 ml) to give 42 mg of the product as a white solid; 1H NMR (300 MHz, CDCl3) δ 0.88 (d, J=6.3 Hz, 6H), 1.83-1.90 (m, 1H), 2.48 (d, J=6.9 Hz, 2H), 3.51 (s, 3H), 3.57 (s, 3H), 4.06 (s, 2H), 6.88 (s, 1H), 7.04 (s, 1H), 7.16 (d, J=7.8 Hz, 2H), 7.72 (d, J=7.8 Hz, 2H), 10.73 (br s, 1H); APCI-MS (m/z) 469.14 (M+H)+.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US08987278B2
Source dataset	uspto-grants-2015_03
ORD ID	ord-ac3f929e76f54bce85f160a3c00cc5e2
Source note	uspto-grants-2015_03