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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1656093Generated: November 1, 2026

Picolyl chloride hydrochloride → HCID 19088785, compound

https://huagongshe.com/reaction/1656093

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPicolyl chloride hydrochlorideHCID 23392—
ReactantSodium hydrideHCID 24758—
Reactant4H-Pyran-4-one, 2-(4-hydroxyphenyl)-6-(4-morpholinyl)-HCID 9795505—
SolventDimethylformamideHCID 6228—
ProductHCID 19088785HCID 1908878534%

Reaction Conditions

Temperature55 °C

Reaction Steps

2-Morpholinyl-6-(4-hydroxyphenyl)-4-pyrone, as prepared in Example 5, (273 mg, 1.0 mmole) was suspended in 6 ml dimethylformamide in a 25 ml one neck round bottom flask under nitrogen. The suspension was treated with sodium hydride suspension (192 mg, 4.0 mmole) and the reaction mixture was warmed to 55° C. for 40 minutes. The reaction was treated with 2-picolyl chloride hydrochloride (492 mg, 3.0 mmole) and the mixture was stirred 4 hours at 55° C. The reaction was poured into 50 ml 2N sodium hydroxide/ice and the precipitated solid was collected, washed with water and diethyl ether and was dried (188 mg). The crude material was recrystallized from ethyl acetate to give 123 mg (34%) of Compound 6 as an off-white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05252735
Source datasetuspto-grants-1993_10
ORD IDord-990cd7ac578e45899f5f05c8fbf4560b
Source noteuspto-grants-1993_10