Benzene → 5-Methyl(ethyl)-7-ethyl(methyl)pyrazolo[1,5-a]pyrimidine

HRID 838851

Reaktionsgleichung

Reaktionsgleichung von HRID 838851
[NH2:1][C:2]1C=C[NH:4][N:3]=1.[CH3:7][C:8](=O)[CH2:9][C:10](=O)[CH2:11][CH3:12].N1CCCCC1.[CH:21]1[CH:26]=[CH:25][CH:24]=[CH:23]C=1>C(O)C>[CH3:7][C:8]1[CH:9]=[C:10]([CH2:11][CH3:12])[N:3]2[N:4]=[C:24]([CH3:23])[C:25]([CH2:26][CH3:21])=[C:2]2[N:1]=1

Komponenten

6

Versuchsvorschrift

The compound was prepared, as described above, from 3-aminopyrazole (8.3 g) and hexane-2,4-dione (11.4 g) in ethanol with a catalytic amount of piperidine. The product was isolated as a colorless oil (14.0 g, 87% yield) via chromatography on basic alumina with benzene. Oil, b.p. 173°-177°/0.1mm. Mass spectrum M+ = 161.

Aufarbeitung

  1. customThe compound was prepared

Quellen und Nachweise

ORD-Eintrag
ord-d6204ff820794c7ca04b1d3f988a7fed
Quelldatensatz
uspto-grants-1978_06
Patentnummer
US04093617

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