Methanesulfonic Acid → HCID 19839377, compound

Participants

Reaction Conditions

Reaction Steps

To a mixture of 2.2 of 4-carboxy-1-(2-pyridyl)pyrazole-5-sulfonamide and 20 ml of allyl alcohol, 1 ml of methanesulfonic acid was added, followed by stirring at 110° C. for 18 hours. The reaction mixture was concentrated under reduced pressure, and purified by silica gel chromatography to obtain 0.7 g of the title compound. m.p.: 140° to 142° C.

Provenance & Evidence