Carbonyl cyanide phenylhydrazone → 1-methyl-4-phenylazo-1H-pyrazole-3,5-diamine

HRID 254983Notes

Reaction equation

HRID 254983 reaction equation
[C:1]1([NH:7][N:8]=[C:9]([C:12]#[N:13])[C:10]#[N:11])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.S(O)(O)(=O)=O.[CH3:19][NH:20][NH2:21]>>[CH3:19][N:20]1[C:10]([NH2:11])=[C:9]([N:8]=[N:7][C:1]2[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=2)[C:12]([NH2:13])=[N:21]1

Participants

3

Reactant 2

HCID 67541Carbonyl cyanide phenylhydrazoneHCID 165286Methylhydrazine sulfate

Product 1

HCID 14947531-methyl-4-phenylazo-1H-pyrazole-3,5-diamine

Procedure

1-methyl-4-phenylazo-1H-pyrazole-3,5-diamine was prepared using 2-phenylhydrazonomalononitrile (425 mg) and methylhydrazine sulfate (720 mg). The compound was purified by column chromatography and afforded a yellow solid.

Workup

  1. customThe compound was purified by column chromatography
  2. customafforded a yellow solid

Sources & evidence

ORD record
ord-ef677bfe0df44b71a88d0a702ce1a17f
Source dataset
uspto-grants-2011_01
Patent number
US07875728B2

Reaction notes

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