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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2048330Generated: November 1, 2026

Tetrahydrofuran → HCID 178438686, compound

https://huagongshe.com/reaction/2048330

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantSodium cyanoborohydrideHCID 5003444—
Reactant4'-({5-oxo-7-propyl-4-[(3a'R,6a'S)-tetrahydrospiro[cyclohexane-1,2'-furo[3,4-d][1,3]dioxol]-4-yl]-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}methyl)biphenyl-2-carbonitrileHCID 67009547—
SolventEthyl AcetateHCID 8857—
ProductHCID 178438686HCID 17843868618.1%

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of 4′-({5-oxo-7-propyl-4-[(3a′R,6a′S)-tetrahydrospiro[cyclohexane-1,2′-furo[3,4-d][1,3]dioxol]-4-yl]-4,5-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}methyl)biphenyl-2-carbonitrile (0.77 g), sodium cyanoborohydride (0.45 g), boron trifluoride-diethyl ether complex (0.88 mL) and tetrahydrofuran (20 mL) was stirred at 70° C. for 16 hr. The reaction mixture was diluted with ethyl acetate, washed with water and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.14 g, 18%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08592431B2
Source datasetuspto-grants-2013_11
ORD IDord-e977303e5cdc4447b7f4f531749d0370
Source noteuspto-grants-2013_11