3-amino-5-methyl-1H-pyrazole-4-carbonitrile → 2-Methyl-5-(3-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carbonitrile

HRID 2054234

Reaktionsgleichung

Reaktionsgleichung von HRID 2054234
[F:1][C:2]([F:19])([F:18])[C:3]1[CH:4]=[C:5]([C:9](=O)[CH2:10][C:11](=O)[C:12]([F:15])([F:14])[F:13])[CH:6]=[CH:7][CH:8]=1.[NH2:20][C:21]1[C:25]([C:26]#[N:27])=[C:24]([CH3:28])[NH:23][N:22]=1>>[CH3:28][C:24]1[C:25]([C:26]#[N:27])=[C:21]2[N:20]=[C:9]([C:5]3[CH:6]=[CH:7][CH:8]=[C:3]([C:2]([F:19])([F:18])[F:1])[CH:4]=3)[CH:10]=[C:11]([C:12]([F:15])([F:14])[F:13])[N:22]2[N:23]=1

Komponenten

3

Edukt 2

HCID 2274603-amino-5-methyl-1H-pyrazole-4-carbonitrileHCID 162279574,4,4-Trifluoro-1-[3-(trifluoromethyl)phenyl]butane-1,3-dione

Produkt 1

HCID 865986592-Methyl-5-(3-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carbonitrileAusbeute 73,5 %

Versuchsvorschrift

Reaction of 1-(3-trifluoromethyl-phenyl)-4,4,4-trifluoro-butane-1,3-dione (284 mg, 1.0 mmol), prepared from commercially available 3-trifluoromethyl-acetophenone according to general procedure A, and commercially available 3-amino-4-cyano-5-methyl-pyrazole (122 mg, 1.0 mmol) according to general procedure B yielded the title compound as a light yellow solid (272 mg, 73%). MS (ISP) 371.1 [(M+H)+]; mp 215° C.

Quellen und Nachweise

ORD-Eintrag
ord-782686be7bbd4f62a623f1489b2b3850
Quelldatensatz
uspto-grants-2008_02
Patentnummer
US07329662B2

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