5-Bromo-2,4-difluorobenzenesulfonamide → 5-[7-Difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2,4-difluoro-benzenesulfonamide

HRID 269232Notes

Reaction equation

HRID 269232 reaction equation
[F:1][CH:2]([F:24])[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]([C:20]([F:23])([F:22])[F:21])[CH:15]=2)[CH:4]=1.Br[C:26]1[C:27]([F:37])=[CH:28][C:29]([F:36])=[C:30]([S:32]([NH2:35])(=[O:34])=[O:33])[CH:31]=1>>[F:24][CH:2]([F:1])[C:3]1[N:8]2[N:9]=[CH:10][C:11]([C:12]#[C:13][C:26]3[C:27]([F:37])=[CH:28][C:29]([F:36])=[C:30]([S:32]([NH2:35])(=[O:33])=[O:34])[CH:31]=3)=[C:7]2[N:6]=[C:5]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([C:20]([F:23])([F:22])[F:21])[CH:15]=2)[CH:4]=1

Participants

3

Reactant 2

HCID 27732955-Bromo-2,4-difluorobenzenesulfonamideHCID 866080813-Ethynyl-7-difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine

Product 1

HCID 118525175-[7-Difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2,4-difluoro-benzenesulfonamide

Procedure

The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (169 mg, 0.5 mmol) and commercially available 5-bromo-2,4-difluoro-benzenesulfonamide (136 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (76 mg, 29%). MS (ISN) 527.0 [(M−H)−]; mp 277° C.

Sources & evidence

ORD record
ord-d4fa2bba3afc4590b4bbdae690fd35bb
Source dataset
uspto-grants-2008_11
Patent number
US07446113B2

Reaction notes

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