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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 451070Generated: October 30, 2026

Tetrahydrofuran → HCID 58075466, compound

https://huagongshe.com/reaction/451070

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantDiisopropylethylamineHCID 81531—
Reactant2,4-Dichloro-7-(4-fluorophenyl)-5,7-dihydrofuro[3,4-d]pyrimidineHCID 58075496—
ProductHCID 58075466HCID 5807546614.24%

Reaction Conditions

Temperature40 °C

Reaction Steps

To a solution of 2,4-dichloro-7-(4-fluorophenyl)-5,7-dihydrofuro[3,4-d]pyrimidine (Preparation M) (150 mg, 0.526 mmol) in THF (2631 μL) was added (R)-1-cyclopropylethanamine, HCl (128 mg, 1.052 mmol) and DIEA (368 μL, 2.105 mmol). The mixture was heated at 40° C. for 2 h and stirred at RT overnight. The mixture was concentrated and purified by column chromatography on silica gel to give 2-chloro-N—((R)-1-cyclopropylethyl)-7-(4-fluorophenyl)-5,7-dihydrofuro[3,4-d]pyrimidin-4-amine (Preparation Mf) (25 mg, 0.075 mmol, 14.24% yield) as a mixture of 2 diasteriomers. LC-MS (M+H)+=334.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08486952B2
Source datasetuspto-grants-2013_07
ORD IDord-d644cb5122794e1ca0f0b2131404cdd5
Source noteuspto-grants-2013_07