1-[(5-Bromo-2-thienyl)sulfonyl]-4-methylpiperazine → 5-(4-Chloro-3-methyl-phenyl)-7-difluoromethyl-3-[5-(4-methyl-piperazine-1-sulfonyl)-thiophen-2-ylethynyl]-pyrazolo[1,5-a]pyrimidine

HRID 269312Notes

Reaction equation

HRID 269312 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[S:28][C:27]([S:29]([N:32]2[CH2:37][CH2:36][N:35]([CH3:38])[CH2:34][CH2:33]2)(=[O:31])=[O:30])=[CH:26][CH:25]=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[S:28][C:27]([S:29]([N:32]5[CH2:37][CH2:36][N:35]([CH3:38])[CH2:34][CH2:33]5)(=[O:30])=[O:31])=[CH:26][CH:25]=4)=[C:10]3[N:9]=2)=[CH:4][C:3]=1[CH3:22]

Participants

3

Reactant 2

HCID 6621571-[(5-Bromo-2-thienyl)sulfonyl]-4-methylpiperazineHCID 866080845-(4-Chloro-3-methyl-phenyl)-7-difluoromethyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine

Product 1

HCID 670010395-(4-Chloro-3-methyl-phenyl)-7-difluoromethyl-3-[5-(4-methyl-piperazine-1-sulfonyl)-thiophen-2-ylethynyl]-pyrazolo[1,5-a]pyrimidine

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 1-(5-bromo-thiophene-2-sulfonyl)-4-methyl-piperazine (example B.50) (163 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (200 mg, 71%). MS (ISP) 562.3 [(M+H)+]; mp 191° C.

Sources & evidence

ORD record
ord-ebb1dd9bb9be44ffb882a09f831bb924
Source dataset
uspto-grants-2008_11
Patent number
US07446113B2

Reaction notes

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