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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 877036Generated: October 30, 2026

1-Hydroxybenzotriazole → HCID 46926698, compound

https://huagongshe.com/reaction/877036

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant4-(3,4-Dichlorophenyl)-1,3-thiazol-2-amineHCID 618536—
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—
ProductHCID 46926698HCID 46926698—

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-(3,4-dichlorophenyl)-1,3-thiazol-2-amine (96.5 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 40 mg of the product as a white solid; 1H NMR (300 MHz, DMSO-d6) δ 3.19 (s, 3H), 3.47 (s, 3H), 4.06 (s, 2H), 7.07 (s, 1H), 7.70 (d, J=8.4 Hz, 1H), 7.80 (s, 1H), 7.89 (d, J=6.9 Hz, 1H), 8.14 (s, 1H), 12.43 (br s, 1H); APCI-MS (m/z) 479.32 (M−H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08987278B2
Source datasetuspto-grants-2015_03
ORD IDord-733c125ceb4d48dd9d557660f5015169
Source noteuspto-grants-2015_03