1-Methylpiperazine → 2-tert-Butyl-6-chloro-7-(4-methylpiperazine-1-sulfonyl)-benzooxazole
Reaction equation
[C:1]([C:5]1[O:6][C:7]2[C:13]([S:14](Cl)(=[O:16])=[O:15])=[C:12]([Cl:18])[CH:11]=[CH:10][C:8]=2[N:9]=1)([CH3:4])([CH3:3])[CH3:2].[CH3:19][N:20]1[CH2:25][CH2:24][NH:23][CH2:22][CH2:21]1>>[C:1]([C:5]1[O:6][C:7]2[C:13]([S:14]([N:23]3[CH2:24][CH2:25][N:20]([CH3:19])[CH2:21][CH2:22]3)(=[O:16])=[O:15])=[C:12]([Cl:18])[CH:11]=[CH:10][C:8]=2[N:9]=1)([CH3:4])([CH3:3])[CH3:2]Participants
3
Procedure
Followed the general procedure described in Example 1c, 2-tert-butyl-6-chloro-benzooxazole-7-sulfonyl chloride coupled with methyl-piperazine to give the desired product 3a, 600 mg (53%). LC-MS (m/z) 372.0 (M+H).
Sources & evidence
- ORD record
- ord-9151384af6df4c4aad5b00e4c7ece23d
- Source dataset
- uspto-grants-2010_05
- Patent number
- US07709485B2
Reaction notes
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