(4-methoxybenzyl)hydrazine → 1-(4-methoxybenzyl)-3-propyl-1H-pyrazol-5(4H)-one

HRID 1636341Notes

Reaction equation

HRID 1636341 reaction equation
[CH3:1][O:2][C:3]1[CH:11]=[CH:10][C:6]([CH2:7][NH:8][NH2:9])=[CH:5][CH:4]=1.[CH2:12]([CH2:14][CH2:15][CH2:16][C:17](CC([O-])=O)=[O:18])[CH3:13]>>[CH3:1][O:2][C:3]1[CH:11]=[CH:10][C:6]([CH2:7][N:8]2[C:17](=[O:18])[CH2:16][C:15]([CH2:14][CH2:12][CH3:13])=[N:9]2)=[CH:5][CH:4]=1

Participants

3

Reactant 2

HCID 16194(4-methoxybenzyl)hydrazineHCID 178046443-Oxooctanoate

Product 1

HCID 193513321-(4-methoxybenzyl)-3-propyl-1H-pyrazol-5(4H)-one

Procedure

From the reaction of 4-methoxybenzylhydrazine and ethylbutyrylacetate, 2,4-dihydro-2-(4-methoxybenzyl)-5-propyl-3H-pyrazol-3-one is obtained. Subsequent reaction with 2-ethylaniline yields 4-(2-ethylanilinomethylene)-2,4-dihydro-2-(4-methoxybenzyl)-5-propyl-3H-pyrazol-3-one, oil

Sources & evidence

ORD record
ord-179318ea2c23461fb199bd06e9d52b46
Source dataset
uspto-grants-2000_03
Patent number
US06034099

Reaction notes

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