2-Benzoylbenzoic Acid → HCID 178518893, compound

HRID 1018924Notes

Reaction equation

HRID 1018924 reaction equation
[C:1]([C:9]1[CH:17]=[CH:16][CH:15]=[CH:14][C:10]=1[C:11](O)=[O:12])(=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH2:18][NH2:19]>C(O)C>[OH:12][C:11]1[C:10]2[C:9](=[CH:17][CH:16]=[CH:15][CH:14]=2)[C:1]([C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)=[N:19][N:18]=1

Participants

4

Reactant 2

HCID 68132-Benzoylbenzoic AcidHCID 9321Hydrazine

Product 1

HCID 178518893HCID 178518893, compound

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

The mixture of o-benzoyl benzoic acid (11.3 g; 0.05 mol) and hydrazine (0.15 mol) in ethanol (150 ml) is stirred at room temperature for 5-24 hours to give 1-hydroxy-4-phenyl phthalazine as a white precipitate which is filtered off and is washed with ethanol. (12.3 g)(m.p. 240° C.)

Sources & evidence

ORD record
ord-23b836e8b43b47abb61e6d678e4dfe9f
Source dataset
uspto-grants-2002_11
Patent number
US06486158B1

Reaction notes

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