Condensation between acetophone and diethyl malonate.
http://www.organic-chemistry.org/namedreactions/knoevenagel-condensation.shtm
Ethanol with sodium ethoxide reflux works too.
Try to check methanol and sodium hydroxide in reflux .
Good Knoevenagel condensation procedure for ketones with malonates using piperidine as a catalyst in unhydrous condition.
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