5-Bromopyridine-3-sulfonamide → 5-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-3-sulfonic acid amide
Reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:13]=[C:12]([CH:14]3[CH2:16][CH2:15]3)[N:11]3[N:17]=[CH:18][C:19]([C:20]#[CH:21])=[C:10]3[N:9]=2)=[CH:4][CH:3]=1.Br[C:23]1[CH:24]=[C:25]([S:29]([NH2:32])(=[O:31])=[O:30])[CH:26]=[N:27][CH:28]=1>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:13]=[C:12]([CH:14]3[CH2:16][CH2:15]3)[N:11]3[N:17]=[CH:18][C:19]([C:20]#[C:21][C:23]4[CH:24]=[C:25]([S:29]([NH2:32])(=[O:31])=[O:30])[CH:26]=[N:27][CH:28]=4)=[C:10]3[N:9]=2)=[CH:4][CH:3]=1Participants
3
Procedure
The title compound was prepared from 5-(4-chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.5) (147 mg, 0.5 mmol) and 5-bromo-pyridine-3-sulfonic acid amide (119 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (177 mg, 79%). MS (ISP) 449.9 [(M+H)+]; mp 252-254° C.
Sources & evidence
- ORD record
- ord-36710f36a06a4671880beb30f8c0bcf4