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

HRID 1293831Notes

Reaction equation

HRID 1293831 reaction equation
[CH:1]1([C:4]2[N:9]3[N:10]=[CH:11][C:12]([C:13]#[CH:14])=[C:8]3[N:7]=[C:6]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[C:17]([Cl:22])[CH:16]=3)[CH:5]=2)[CH2:3][CH2:2]1.Br[C:24]1[C:25]([F:35])=[CH:26][C:27]([F:34])=[C:28]([S:30]([NH2:33])(=[O:32])=[O:31])[CH:29]=1>>[CH:1]1([C:4]2[N:9]3[N:10]=[CH:11][C:12]([C:13]#[C:14][C:24]4[C:25]([F:35])=[CH:26][C:27]([F:34])=[C:28]([S:30]([NH2:33])(=[O:31])=[O:32])[CH:29]=4)=[C:8]3[N:7]=[C:6]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[C:17]([Cl:22])[CH:16]=3)[CH:5]=2)[CH2:3][CH2:2]1

Participants

3

Reactant 2

HCID 27732955-Bromo-2,4-difluorobenzenesulfonamideHCID 866080507-Cyclopropyl-5-(3,4-dichloro-phenyl)-3-ethynyl-pyrazolo[1,5-a]pyrimidine

Product 1

HCID 670009105-[7-Cyclopropyl-5-(3,4-dichloro-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2,4-difluoro-benzenesulfonamide

Procedure

The title compound was prepared from 7-cyclopropyl-5-(3,4-dichloro-phenyl)-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.8) (82 mg, 0.25 mmol) and commercially available 5-bromo-2,4-difluoro-benzenesulfonamide (68 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (39 mg, 30%). MS (ISP) 519.0 [(M+H)+]; mp 280–281° C.

Sources & evidence

ORD record
ord-17bdf7e187814176bbab4e1771626566
Source dataset
uspto-grants-2007_07
Patent number
US07238808B2

Reaction notes

Loading…