4,4'-Dichlorobenzophenone → bis(4-chlorophenyl)methylidenehydrazine

HRID 896703Notes

Reaction equation

HRID 896703 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([C:10]2[CH:15]=[CH:14][C:13]([Cl:16])=[CH:12][CH:11]=2)=O)=[CH:4][CH:3]=1.O.[NH2:18][NH2:19]>C(O)C>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8](=[N:18][NH2:19])[C:10]2[CH:15]=[CH:14][C:13]([Cl:16])=[CH:12][CH:11]=2)=[CH:4][CH:3]=1

Participants

4

Reactant 2

HCID 70344,4'-DichlorobenzophenoneHCID 24654Hydrazine hydrate (1:1)

Product 1

HCID 224202bis(4-chlorophenyl)methylidenehydrazine

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Conditions

Temperature
21 °C

Procedure

A solution of bis-(4-chloro-phenyl)-methanone (5.0 g, 19.9 mmol) and hydrazine monohydrate (5 mL, 103 mmol) in ethanol (25 mL) was heated to reflux 18 h, cooled to 21° C., and filtered to afforded the [bis-(4-chloro-phenyl)-methylene]-hydrazine compound as a yellow solid.

Workup

  1. temperatureto reflux 18 h
  2. filtrationfiltered

Sources & evidence

ORD record
ord-da516a1dfaf64ffabb1417b78d9c10e2
Source dataset
uspto-grants-2005_07
Patent number
US06919353B2

Reaction notes

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