5-Bromo-2-thiophenesulfonamide → HCID 67000974, compound

HRID 1293924Notes

Reaction equation

HRID 1293924 reaction equation
[F:1][CH:2]([F:23])[C:3]1[N:8]2[N:9]=[CH:10][C:11]([C:12]#[CH:13])=[C:7]2[N:6]=[C:5]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([O:20][CH2:21][CH3:22])[CH:15]=2)[CH:4]=1.Br[C:25]1[S:29][C:28]([S:30]([NH2:33])(=[O:32])=[O:31])=[CH:27][CH:26]=1>>[F:23][CH:2]([F:1])[C:3]1[N:8]2[N:9]=[CH:10][C:11]([C:12]#[C:13][C:25]3[S:29][C:28]([S:30]([NH2:33])(=[O:32])=[O:31])=[CH:27][CH:26]=3)=[C:7]2[N:6]=[C:5]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([O:20][CH2:21][CH3:22])[CH:15]=2)[CH:4]=1

Participants

3

Reactant 2

HCID 12413045-Bromo-2-thiophenesulfonamideHCID 86608088HCID 86608088, compound

Product 1

HCID 67000974HCID 67000974, compound

Procedure

The title compound was prepared from 7-difluoromethyl-5-(3-ethoxy-phenyl)-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.19) (313 g, 1.0 mmol) and commercially available 5-bromothiophene-2-sulfonamide (315 mg, 1.3 mmol) according to general procedure II. Obtained as a yellow solid (160 mg, 34%). MS (ISP) 489.2 [(M+NH4)+]; mp 214° C.

Sources & evidence

ORD record
ord-fd2289a92da74bdda3d6b8605c9adabb
Source dataset
uspto-grants-2007_07
Patent number
US07238808B2

Reaction notes

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