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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2229123Generated: November 1, 2026

Water → HCID 18466520, compound

https://huagongshe.com/reaction/2229123

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPropargyl bromideHCID 7842—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 18466525HCID 18466525—
SolventDimethylformamideHCID 6228—
ProductHCID 18466520HCID 18466520—

Reaction Conditions

Temperature67.5 °C

Reaction Steps

A mixture of 0.25 g (0.808 mmol) of the compound of Example 7, 0.12 g (0.97 mmol) of propargyl bromide and 0.22 g (1.62 mmol) of potassium carbonate powder in 10 ml of DMF was stirred for 2 h at 65-70° C. After cooling, 50 ml of water were added and the mixture was extracted 3 times with methyl tert-butyl ether, and the extracts were dried and concentrated, affording 0.28 g (100% of theory) of the title compound of mp. 68-70° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06420314B1
Source datasetuspto-grants-2002_07
ORD IDord-e29990ca2f6849218da7f36512e41eff
Source noteuspto-grants-2002_07