Hydrazine → HCID 178518899, compound

HRID 1018932

Reaction equation

HRID 1018932 reaction equation
[NH2:1][NH2:2].[Cl:3][C:4]1[CH:20]=[CH:19][C:7]([C:8]([C:10]2[CH:18]=[CH:17][CH:16]=[CH:15][C:11]=2[C:12](O)=[O:13])=O)=[CH:6][CH:5]=1>>[Cl:3][C:4]1[CH:20]=[CH:19][C:7]([C:8]2[C:10]3[C:11](=[CH:15][CH:16]=[CH:17][CH:18]=3)[C:12]([OH:13])=[N:2][N:1]=2)=[CH:6][CH:5]=1

Participants

3

Reactant 2

HCID 9321HydrazineHCID 665642-(4'-Chlorobenzoyl)benzoic acid

Product 1

HCID 178518899HCID 178518899, compound

Procedure

A 3 M ethanolic solution of hydrazine (20 ml, 60 mmol) is added to 2-(4-chlorobenzoyl)benzoic acid (5.5 g, 20 mmol), and the mixture is stirred at room temperature for 5 hours. Precipitation gives 4-(4-chlorophenyl)-1-hydroxy-phthalazine.

Workup

  1. customPrecipitation

Sources & evidence

ORD record
ord-c77d4794478546fdb5436fdcb611d420
Source dataset
uspto-grants-2002_11
Patent number
US06486158B1

Linked notes

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