반응 #83247

반응 방정식

3-benzoyl-2-thiophenecarboxylic acid

methylhydrazine

→

6,7-Dihydro-6-methyl-7-oxo-4-phenylthieno[2,3-d]pyridazine

용매

ethanol

반응 조건

후처리

1. 1
   온도refluxed 3 hours
2. 2
   온도cooled
3. 3
   여과30.7 g of the product filtered off

실험 절차

A solution of 31.2 g (0.134 mol) of 3-benzoyl-2-thiophenecarboxylic acid in 400 mL of ethanol was treated with 9.3 (0.2 mol) of methylhydrazine at room temperature for 18 hours, refluxed 3 hours, cooled and 30.7 g of the product filtered off, mp 174-175.

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