3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylic acid → Methyl 3-oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylate

HRID 7931Notes

Reaction equation

HRID 7931 reaction equation
F[C:2]1C=C(C2C(=C=O)C(OC)C(=O)NN=2)C=CC=1C.[C:20]([C:23]1[C:24](=[O:35])[NH:25][N:26]=[C:27]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[CH:28]=1)([OH:22])=[O:21]>>[CH3:2][O:21][C:20]([C:23]1[C:24](=[O:35])[NH:25][N:26]=[C:27]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[CH:28]=1)=[O:22]

Participants

3

Reactant 2

HCID 121489343-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylic acidHCID 865975766-(3-fluoro-4-methylphenyl)-4-methoxy-carbonyl-2H-pyrid azin-3-one

Product 1

HCID 21991548Methyl 3-oxo-6-phenyl-2,3-dihydropyridazine-4-carboxylateYield 98.9%

Procedure

Following the procedure of Example 1 (5), 4-carboxy-6-phenyl-2H-pyridazin-3-one was reacted to yield the title compound as pale yellow crystals (yield: 98.9%).

Workup

  1. customwas reacted

Sources & evidence

ORD record
ord-41ba53391d074cb3803addfbb5300834
Source dataset
uspto-grants-2006_08
Patent number
US07087606B2

Reaction notes

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