5-Bromo-2-thiophenesulfonamide → 5-[5-(3,4-Dichloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid amide

HRID 558727Notes

Reaction equation

HRID 558727 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:14]=[C:13]([C:15]([F:18])([F:17])[F:16])[N:12]3[N:19]=[CH:20][C:21]([C:22]#[CH:23])=[C:11]3[N:10]=2)[CH:5]=[CH:6][C:7]=1[Cl:8].Br[C:25]1[S:29][C:28]([S:30]([NH2:33])(=[O:32])=[O:31])=[CH:27][CH:26]=1>>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:14]=[C:13]([C:15]([F:16])([F:17])[F:18])[N:12]3[N:19]=[CH:20][C:21]([C:22]#[C:23][C:25]4[S:29][C:28]([S:30]([NH2:33])(=[O:32])=[O:31])=[CH:27][CH:26]=4)=[C:11]3[N:10]=2)[CH:5]=[CH:6][C:7]=1[Cl:8]

Participants

3

Reactant 2

HCID 12413045-Bromo-2-thiophenesulfonamideHCID 866080515-(3,4-Dichloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine

Product 1

HCID 670000865-[5-(3,4-Dichloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid amide

Procedure

The title compound was prepared from 5-(3,4-dichloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine (example C.9) (89 mg, 0.25 mmol) and 5-bromo-thiophene-2-sulfonic acid amide (61 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (42 mg, 32%). MS (ISP) 517.0 [(M+H)+]; mp 231-232° C.

Sources & evidence

ORD record
ord-325893784424435b9bebec0cfaab9f06
Source dataset
uspto-grants-2011_11
Patent number
US08063048B2

Reaction notes

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