5-Bromopyridine-3-sulfonamide → 5-[8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridine-3-sulfonic acid amide

HRID 1293958Notes

Reaction equation

HRID 1293958 reaction equation
[C:1]([C:3]1[N:7]2[CH:8]=[C:9]([C:13]3[CH:18]=[CH:17][C:16]([C:19]([F:22])([F:21])[F:20])=[CH:15][CH:14]=3)[CH:10]=[C:11]([CH3:12])[C:6]2=[N:5][CH:4]=1)#[CH:2].Br[C:24]1[CH:25]=[C:26]([S:30]([NH2:33])(=[O:32])=[O:31])[CH:27]=[N:28][CH:29]=1>>[CH3:12][C:11]1[C:6]2[N:7]([C:3]([C:1]#[C:2][C:24]3[CH:25]=[C:26]([S:30]([NH2:33])(=[O:32])=[O:31])[CH:27]=[N:28][CH:29]=3)=[CH:4][N:5]=2)[CH:8]=[C:9]([C:13]2[CH:18]=[CH:17][C:16]([C:19]([F:21])([F:22])[F:20])=[CH:15][CH:14]=2)[CH:10]=1

Participants

3

Reactant 2

HCID 126842585-Bromopyridine-3-sulfonamideHCID 866080953-Ethynyl-8-methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine

Product 1

HCID 167352675-[8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridine-3-sulfonic acid amide

Procedure

The title compound was prepared from 3-ethynyl-8-methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.20) (300 mg, 1 mmol) and 5-bromo-pyridine-3-sulfonic acid amide (example B.1) (278 mg, 0.9 mmol) according to general procedure II. Obtained as an off-white solid (290 mg, 63%). MS (ISP) 457.1 [(M+H)+]; mp 294° C.

Sources & evidence

ORD record
ord-9d0242bd8a31469184f8f7350e52515e
Source dataset
uspto-grants-2007_07
Patent number
US07238808B2

Reaction notes

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