تفاعل #1755445

معادلة التفاعل

3-carboxy-1H-pyrazol-5-one

diethyl oxalacetate

hydrazine

→

3-(carboethoxy)-pyrazol-5-one

ظروف التفاعل

الإجراء التجريبي

3-carboxy-1H-pyrazol-5-one, for example, can thus be prepared by reacting diethyl oxalacetate with hydrazine to yield 3-(carboethoxy)-pyrazol-5-one, followed by refluxing in aqueous HCl solution to hydrolyze the ethyl ester.

المصدر