N-acetyl-2-imidazolinone → 1-Acetyl-2(1,4-dimethyl-5-pyrazolyl)amino-2-imidazoline

Reaction equation

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

Participants

Reactant 2

HCID 22350258N-acetyl-2-imidazolinone

HCID 233305071,4-dimethyl-1H-pyrazol-5-amine hydrochloride

Product 1

HCID 127637941-Acetyl-2(1,4-dimethyl-5-pyrazolyl)amino-2-imidazoline

Procedure

5-amino-1,4-dimethyl pyrazole hydrochloride (Z. Chem. 388, 1970) (5.72 g.) and 1-acetyl-2-imidazolinone (5.54 g.) were reacted as described in Example I to give 4.723 g. product mp 199°-202° (crystallized from CH3CN)

Workup

customto give 4.723 g

Sources & evidence

ORD record: ord-2211d151c9174695becefcb36947c61c
Source dataset: uspto-grants-1980_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04234594

Reaction notes

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