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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 451067Generated: October 30, 2026

Methylamine hydrochloride → 2-chloro-7-(4-fluorophenyl)-N-methyl-5,7-dihydrofuro[3,4-d]pyrimidin-4-amine

https://huagongshe.com/reaction/451067

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamine hydrochlorideHCID 6364545—
Reactant2,4-Dichloro-7-(4-fluorophenyl)-5,7-dihydrofuro[3,4-d]pyrimidineHCID 58075496—
Product2-chloro-7-(4-fluorophenyl)-N-methyl-5,7-dihydrofuro[3,4-d]pyrimidin-4-amineHCID 5807579560.8%

Reaction Steps

2,4-dichloro-7-(4-fluorophenyl)-5,7-dihydrofuro[3,4-d]pyrimidine (Preparation M) (250 mg, 0.877 mmol) and methanamine hydrochloride (89 mg, 1.315 mmol) were combined and purified as per Preparation Ia to give 2-chloro-7-(4-fluorophenyl)-N-methyl-5,7-dihydrofuro[3,4-d]pyrimidin-4-amine (149 mg, 0.533 mmol, 60.8% yield). LC-MS (M+H)+=280.0. 1H NMR (500 MHz, MeOD) δ ppm 7.31-7.44 (2H, m), 7.05-7.17 (2H, m), 5.80-5.95 (1H, m), 4.94-5.21 (2H, m), 2.93-3.07 (3H, m).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08486952B2
Source datasetuspto-grants-2013_07
ORD IDord-c1087a1d4729427495c67ca86cababa6
Source noteuspto-grants-2013_07