(4-Chloro-3-methylphenyl)boronic acid → 2-(3-Nitro-6-propylaminophenyl)-5-(3-methyl-4-chlorophenyl)benzoxazole
Reaction equation
[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].[CH3:24][C:25]1[CH:26]=[C:27](B(O)O)[CH:28]=[CH:29][C:30]=1[Cl:31]>>[N+:1]([C:4]1[CH:5]=[C:6]([C:14]2[O:15][C:16]3[CH:22]=[CH:21][C:20]([C:27]4[CH:28]=[CH:29][C:30]([Cl:31])=[C:25]([CH3:24])[CH:26]=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]Participants
3
Procedure
Prepared by the method of Example 15d), from 2-(3-nitro-6-propylaminophenyl)-5-bromobenzoxazole (400 mg, 1.59 mmol) and 3-methyl-4-chlorophenylboronic acid (271 mg, 1.59 mmol) the subtitle compound was obtained (230 mg, 34%). The product was used directly in the next step without purification.
Sources & evidence
- ORD record
- ord-a97a2b3cda264dfe995f4eef17468da3
- Source dataset
- uspto-grants-2006_11
- Patent number
- US07138425B2
Reaction notes
Loading…