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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 77914Generated: October 29, 2026

Tetrahydrofuran → HCID 59255237, compound

https://huagongshe.com/reaction/77914

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantTriethylamineHCID 8471—
Reactant3-Ethynylpyridin-2-amineHCID 12422526—
ReactantHCID 72262874HCID 72262874—
SolventWaterHCID 962—
ProductHCID 59255237HCID 592552371.65%

Reaction Steps

To a tetrahydrofuran (7.00 mL) solution of (5-p-tolyloxy-thiophen-2-yl)-acetohydroximoyl chloride (191 mg, 0.678 mmol) described in Manufacturing Example 48-1-5 and 3-ethynyl-pyridin-2-ylamine (40.0 mg, 0.339 mmol) described in Manufacturing Example 1-2-3 was added triethylamine (189 μL, 1.36 mmol) at room temperature, which was stirred for 4 hours at room temperature. Water was added to the reaction solution at room temperature, which was then extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride and dried over anhydrous magnesium sulfate, and the solvent was evaporated under a reduced pressure. The residue was purified by NH silica gel column chromatography (ethyl acetate:heptane=1:3) to obtain the title compound (2.03 mg, 1.65%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841327B2
Source datasetuspto-grants-2014_09
ORD IDord-d7709bc5091e42c1abfff39828ba22fc
Source noteuspto-grants-2014_09