HCID 178500928、化合物 → Methyl 1,6-dihydro-4-hydroxy-6-oxo-1-phenyl-3-pyridazinecarboxylate

関与物質

反応手順

A mixture of 3-oxo-2(phenyl-hydrazono)-pentanedioic acid dimethyl ester: (4.38 g, 15.7 mmol) in 1,2-dichlorobenzene (15 mL) was refluxed. After 20 hours, the reaction mixture was concentrated under reduced pressure to give 3.83 g (99%) of the desired product.

情報源と証拠