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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1891113Generated: October 30, 2026

1-Hydroxybenzotriazole → HCID 71008172, compound

https://huagongshe.com/reaction/1891113

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant1H-Pyrazol-3-amine, 1-(4-bromophenyl)-HCID 23464285—
Reactant1,3,5-trimethylthieno[3,4-d]pyrimidine-2,4(1H,3H)-dioneHCID 71008093—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
Solvent1,2-DichloroethaneHCID 11—
ProductHCID 71008172HCID 71008172—

Reaction Steps

The title compound was prepared according to the general procedure (Method A) by coupling Intermediate 1 (100 mg, 0.393 mmol) with 1-(4-bromophenyl)-1H-pyrazol-3-amine (93.5 mg, 0.393 mmol) in the presence of EDCI hydrochloride (90 mg, 0.472 mmol), HOBt (16 mg, 0.118 mmol) and DMAP (5 mg, 0.039 mmol) in 1,2 dichloroethane (6 ml) to give 45 mg of the product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 3.21 (s, 3H), 3.46 (s, 3H), 3.95 (s, 2H), 6.75 (s, 1H), 7.02 (s, 1H), 7.67 (d, J=8.7 Hz, 2H), 7.74 (d, J=9.0 Hz, 2H), 8.41 (s, 1H), 10.82 (br s, 1H); APCI-MS (m/z) 475.95 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08507503B2
Source datasetuspto-grants-2013_08
ORD IDord-6435925eef114191b27a38998bbfd20d
Source noteuspto-grants-2013_08