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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 519729Generated: October 27, 2026

Ammonium Chloride → HCID 178438725, compound

https://huagongshe.com/reaction/519729

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium ChlorideHCID 25517—
ReactantLithium borohydrideHCID 4148881—
ReactantHCID 178438728HCID 178438728—
SolventTetrahydrofuranHCID 8028—
ProductHCID 178438725HCID 17843872558.2%

Reaction Conditions

Temperature0 °C

Reaction Steps

A mixture of ethyl 2-[(trans-4-{6-[(2′-cyano-3-fluorobiphenyl-4-yl)methyl]-5-oxo-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl}cyclohexyl)oxy]propanoate (1.5 g), lithium tetrahydroborate (0.18 g) and tetrahydrofuran (15 mL) was stirred at 0° C. for 1 hr and then at room temperature for 6 hr. Lithium tetrahydroborate (0.18 g) was further added, and the mixture was stirred at room temperature for 15 hr. The reaction mixture was added to saturated aqueous ammonium chloride solution, and the mixture was extracted with ethyl acetate. The organic layer was washed 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 (0.81 g, 58%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115136B2
Source datasetuspto-grants-2015_08
ORD IDord-e577a41400b141e9bba18712d6694ab8
Source noteuspto-grants-2015_08