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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 406214Generated: October 31, 2026

Lithium Hydroxide → HCID 66666416, compound

https://huagongshe.com/reaction/406214

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantHCID 66665480HCID 66665480—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
SolventEthyl AcetateHCID 8857—
ProductHCID 66666416HCID 66666416—

Reaction Steps

To a solution of 4-(2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazin-5(6H)-yl)butyl acetate (step 2) (410 mg, 1.021 mmol) in THF (6 ml) and water (3 ml) was added lithium hydroxide (56.9 mg, 2.375 mmol) and the mixture was heated at reflux for 18 h. The reaction mixture was diluted with EtOAc and the combined organic extracts were washed with water (2×), brine, dried (MgSO4), filtered and concentrated in vacuo to afford the title compound;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754085B2
Source datasetuspto-grants-2014_06
ORD IDord-20468b0c0ead45cb80f69aed3e0edcb5
Source noteuspto-grants-2014_06