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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 594958Generated: November 2, 2026

Hydrochloric Acid → N-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-amine

https://huagongshe.com/reaction/594958

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1-methyl-1H-pyrazol-4-amineHCID 4770990—
Reactant6-chloro-1H-pyrazolo[3,4-d]pyrimidineHCID 52911254—
SolventIsopropanolHCID 3776—
ProductN-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-amineHCID 66765655—

Reaction Conditions

Temperature140 °C

Reaction Steps

A suspension of 1-methyl-1H-pyrazol-4-amine (173 mg, 1.29 mmol), 6-chloro-1H-pyrazolo[3,4-d]pyrimidine (200 mg, 1.29 mmol) and HCl (25 μL, 4M in dioxane) in isopropanol (2 mL) was heated in the microwave at 140° C. for 1 h. After cooling to rt, the mixture was filtered and the resulting solid washed with cold isopropanol and diethyl ether to give N-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-amine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09242987B2
Source datasetuspto-grants-2016_01
ORD IDord-8115ee6c24534ecb842ba021ead9b8a8
Source noteuspto-grants-2016_01