Pyridine → 1H-Pyrazol-5-ol, 3-methyl-1-phenyl-

HRID 1698750Notes

Reaction equation

HRID 1698750 reaction equation
N1C=[CH:5][CH:4]=[CH:3][CH:2]=1.[N:7]1[CH:11]=[CH:10][C:9](=[O:12])[N:8]=1.N#[C:14][C:15]#N.N1C=CC=C[CH:18]=1>>[C:15]1([N:8]2[C:9](=[O:12])[CH:10]=[C:11]([CH3:18])[NH:7]2)[CH:14]=[CH:5][CH:4]=[CH:3][CH:2]=1

Participants

4

Reactant 3

HCID 1049PyridineHCID 9999CyanogenHCID 66831023HCID 66831023, compound

Product 1

HCID 703351H-Pyrazol-5-ol, 3-methyl-1-phenyl-

Procedure

Pyridine-pyrazolone reaction: Quantitative analysis of cyanogen, showing blue. PH 7→ add chlorimine T solution, and add the mixture of a solution of bis-(1-phenyl-3-methyl-5-pyrazolone) in pyridine and a solution of 1-phenyl-3-methyl-5-pyrazolone two to three minutes later, then leave for a while.

Workup

  1. additionadd

Sources & evidence

ORD record
ord-ac384162340e450d982d2c8bceb8a091
Source dataset
uspto-grants-2002_02
Patent number
US06344175B1

Reaction notes

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