Ethyl Acetate → 3-[2-methyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-propionic acid ethyl ester

HRID 915489Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 915489
I[CH2:2][C:3]1[N:7]([CH3:8])[N:6]=[C:5]([C:9]2[CH:14]=[CH:13][C:12]([C:15]([F:18])([F:17])[F:16])=[CH:11][CH:10]=2)[CH:4]=1.[C:19]([O:22][CH2:23][CH3:24])(=[O:21])[CH3:20].C([N-]C(C)C)(C)C.[Li+]>CN1C(=O)N(C)CCC1>[CH2:23]([O:22][C:19](=[O:21])[CH2:20][CH2:2][C:3]1[N:7]([CH3:8])[N:6]=[C:5]([C:9]2[CH:14]=[CH:13][C:12]([C:15]([F:18])([F:17])[F:16])=[CH:11][CH:10]=2)[CH:4]=1)[CH3:24]

Komponenten

5

Edukt 3

HCID 8857Ethyl AcetateHCID 2724682Lithium diisopropylamideHCID 692828125-iodomethyl-1-methyl-3-(4-trifluoromethyl-phenyl)-1H-pyrazole

Produkt 1

HCID 692824853-[2-methyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-propionic acid ethyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 816462(1H)-Pyrimidinone, tetrahydro-1,3-dimethyl-Lösungsmittel

Versuchsvorschrift

In analogy to the procedure described in example 20 b], 5-iodomethyl-1-methyl-3-(4-trifluoromethyl-phenyl)-1H-pyrazole was reacted with ethyl acetate in the presence of lithium diisopropylamide and DMPU to obtain 3-[2-methyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-propionic acid ethyl ester as yellow solid.

Quellen und Nachweise

ORD-Eintrag
ord-5ecf6487ed1d4debb57867afacb91247
Quelldatensatz
uspto-grants-2007_09
Patentnummer
US07265149B2

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