4-Bromobenzenesulfonamide → HCID 11852417, compound
Reaction equation
[F:1][CH:2]([F:23])[C:3]1[N:8]2[N:9]=[CH:10][C:11]([C:12]#[CH:13])=[C:7]2[N:6]=[C:5]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([O:20][CH2:21][CH3:22])[CH:15]=2)[CH:4]=1.Br[C:25]1[CH:30]=[CH:29][C:28]([S:31]([NH2:34])(=[O:33])=[O:32])=[CH:27][CH:26]=1>>[F:23][CH:2]([F:1])[C:3]1[N:8]2[N:9]=[CH:10][C:11]([C:12]#[C:13][C:25]3[CH:30]=[CH:29][C:28]([S:31]([NH2:34])(=[O:33])=[O:32])=[CH:27][CH:26]=3)=[C:7]2[N:6]=[C:5]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([O:20][CH2:21][CH3:22])[CH:15]=2)[CH:4]=1Participants
3
Procedure
The title compound was prepared from 7-difluoromethyl-5-(3-ethoxy-phenyl)-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.19) (313 g, 1.0 mmol) and commercially available 4-bromobenzenesulfonamide (230 mg, 1.0 mmol) according to general procedure II. Obtained as a yellow solid (190 mg, 41%). MS (ISN) 467.1 [(M−H)−]; mp 245° C.
Sources & evidence
- ORD record
- ord-e43f9196512c4d51a6230c8898290f4b
- Source dataset
- uspto-grants-2007_07
- Patent number
- US07238808B2
Reaction notes
Loading…