Benzenesulfonyl chloride, 3,4-dichloro- → 3,4-dichloro-N-(4,5-dihydrothieno[3,2-e][1,3]benzothiazol-2-yl)benzenesulfonamide
Reaction equation
[N:1]1[C:5]2[C:6]3[CH:12]=[CH:11][S:10][C:7]=3[CH2:8][CH2:9][C:4]=2[S:3][C:2]=1[NH2:13].[Cl:14][C:15]1[CH:16]=[C:17]([S:22](Cl)(=[O:24])=[O:23])[CH:18]=[CH:19][C:20]=1[Cl:21]>>[Cl:14][C:15]1[CH:16]=[C:17]([S:22]([NH:13][C:2]2[S:3][C:4]3[CH2:9][CH2:8][C:7]4[S:10][CH:11]=[CH:12][C:6]=4[C:5]=3[N:1]=2)(=[O:23])=[O:24])[CH:18]=[CH:19][C:20]=1[Cl:21]Participants
3
Procedure
The title compound was prepared from 4,5-dihyrothieno[3,2-e][1,3]benzothiazol-2-amine (107 mg, synthesized according to METHOD I from 4-keto-4,5,6,7-tetrahydrothianaphthene) and 3,4-dichlorobenzenesulfonyl chloride (127 mg) as described in the synthetic METHOD A to give a white powder (62 mg) with a purity >90%: MS-ES (neg) m/z 417.2.
Sources & evidence
- ORD record
- ord-6713da7a50234330a8a01b8088a2ce24
- Source dataset
- uspto-grants-2006_11
- Patent number
- US07132436B2
Reaction notes
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