Tolylboronic acid → HCID 21884443, compound
Reaction equation
[N+:1]([C:4]1[CH:5]=[C:6]([C:12]2[O:13][C:14]3[CH:20]=[CH:19][C:18](Br)=[CH:17][C:15]=3[N:16]=2)[C:7]([O:10][CH3:11])=[CH:8][CH:9]=1)([O-:3])=[O:2].[CH3:22][C:23]1[CH:28]=[CH:27][C:26](B(O)O)=[CH:25][CH:24]=1>>[N+:1]([C:4]1[CH:5]=[C:6]([C:12]2[O:13][C:14]3[CH:20]=[CH:19][C:18]([C:26]4[CH:27]=[CH:28][C:23]([CH3:22])=[CH:24][CH:25]=4)=[CH:17][C:15]=3[N:16]=2)[C:7]([O:10][CH3:11])=[CH:8][CH:9]=1)([O-:3])=[O:2]Participants
3
Procedure
Prepared by the method of Example 15d), from 2-(3-nitro-6-methoxyphenyl)-5-bromobenzoxazole (400 mg, 1.14 mmol) and 4-methylphenylboronic acid (234 mg, 1.71 mmol) the subtitle compound was obtained (273 mg, 53%). The product was used directly in the next step without purification.
Sources & evidence
- ORD record
- ord-15eacafb68a84c88a0553cdc4c3456cc
- Source dataset
- uspto-grants-2006_11
- Patent number
- US07138425B2
Reaction notes
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