Reaction #2329047

ord-0d3702d21f17440595cef4c4f46d64f2

Reaction equation

Clc1nnc(Cl)c2ccccc12
dichlorophthalazine
NN.O
hydrazine hydrate
NNc1nnc(Cl)c2ccccc12
title compound
NNc1nnc(Cl)c2ccccc12
(4-Chloro-phthalazin-1-yl)-hydrazine

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    Filtrationthe precipitate is filtered with suction
  2. 2
    Washrinsed with ethanol

Procedure

10 g commercially available dichlorophthalazine are added portionwise at 90° C. to a solution of 50 ml ethanol and 20 ml hydrazine hydrate. After 10 min the reaction mixture is cooled to ambient temperature, the precipitate is filtered with suction and rinsed with ethanol to yield 8.4 g of the title compound.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07671050B2uspto-grants-2010_03