3-Bromobenzene-1-sulfonamide → 3-[5-(4-Chloro-3-methyl-phenyl)-7-difluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide

HRID 269233Notes

Reaction equation

HRID 269233 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:13]=[C:12]([CH:14]([F:16])[F:15])[N:11]3[N:17]=[CH:18][C:19]([C:20]#[CH:21])=[C:10]3[N:9]=2)=[CH:4][C:3]=1[CH3:22].Br[C:24]1[CH:25]=[C:26]([S:30]([NH2:33])(=[O:32])=[O:31])[CH:27]=[CH:28][CH:29]=1>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:13]=[C:12]([CH:14]([F:15])[F:16])[N:11]3[N:17]=[CH:18][C:19]([C:20]#[C:21][C:24]4[CH:25]=[C:26]([S:30]([NH2:33])(=[O:32])=[O:31])[CH:27]=[CH:28][CH:29]=4)=[C:10]3[N:9]=2)=[CH:4][C:3]=1[CH3:22]

Participants

3

Reactant 2

HCID 27347653-Bromobenzene-1-sulfonamideHCID 866080845-(4-Chloro-3-methyl-phenyl)-7-difluoromethyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine

Product 1

HCID 118526173-[5-(4-Chloro-3-methyl-phenyl)-7-difluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide

Procedure

The title compound was prepared from 5-(4-chloro-3-methyl-phenyl)-7-difluoromethyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.16) (159 mg, 0.5 mmol) and commercially available 3-bromo-benzenesulfonamide (118 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (140 mg, 59%). MS (ISP) 473.2 [(M+H)+]; mp 215° C.

Sources & evidence

ORD record
ord-2f2288aafad047d1ab330f7c1fd85d7f
Source dataset
uspto-grants-2008_11
Patent number
US07446113B2

Reaction notes

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