(2H-1,3-benzodioxol-5-yl)boronic acid → 2-(3-Nitro-6-propylaminophenyl)-5-(3,4-methylenedioxyphenyl)benzoxazole
Reaktionsgleichung
[N+:1]([C:4]1[CH:5]=[C:6]([C:14]2[O:15][C:16]3[CH:22]=[CH:21][C:20](Br)=[CH:19][C:17]=3[N:18]=2)[C:7]([NH:10][CH2:11][CH2:12][CH3:13])=[CH:8][CH:9]=1)([O-:3])=[O:2].[CH2:24]1[O:32][C:31]2[CH:30]=[CH:29][C:28](B(O)O)=[CH:27][C:26]=2[O:25]1>>[N+:1]([C:4]1[CH:5]=[C:6]([C:14]2[O:15][C:16]3[CH:22]=[CH:21][C:20]([C:29]4[CH:28]=[CH:27][C:26]5[O:25][CH2:24][O:32][C:31]=5[CH:30]=4)=[CH:19][C:17]=3[N:18]=2)[C:7]([NH:10][CH2:11][CH2:12][CH3:13])=[CH:8][CH:9]=1)([O-:3])=[O:2]Komponenten
3
Versuchsvorschrift
Prepared by the method of Example 15d), from 2-(3-nitro-6-propylaminophenyl)-5-bromobenzoxazole (400 mg, 1.59 mmol) and 3,4-methylenedioxyphenylboronic acid (264 mg, 1.59 mmol) the subtitle compound was obtained (337 mg, 51%). The product was used directly in the next step without purification.
Quellen und Nachweise
- ORD-Eintrag
- ord-6b49128cb8404e61a4086c99d8bb3add
- Quelldatensatz
- uspto-grants-2006_11
- Patentnummer
- US07138425B2
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