5-Bromopyridine-3-sulphonic acid → Ro4988546

HRID 2237982Notes

Reaction equation

HRID 2237982 reaction equation
[C:1]([C:3]1[CH:4]=[N:5][N:6]2[C:11]([C:12]([F:15])([F:14])[F:13])=[CH:10][C:9]([C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=3)=[N:8][C:7]=12)#[CH:2].Br[C:27]1[CH:28]=[C:29]([S:33]([OH:36])(=[O:35])=[O:34])[CH:30]=[N:31][CH:32]=1>>[F:15][C:12]([F:14])([F:13])[C:11]1[N:6]2[N:5]=[CH:4][C:3]([C:1]#[C:2][C:27]3[CH:28]=[C:29]([S:33]([OH:36])(=[O:35])=[O:34])[CH:30]=[N:31][CH:32]=3)=[C:7]2[N:8]=[C:9]([C:16]2[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=2)[CH:10]=1

Participants

3

Procedure

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (300 mg, 1.0 mmol) and 5-Bromo-pyridine-3-sulfonic acid (example B.2, step 1) (214 mg, 1.0 mmol) according to general procedure II. Obtained as an orange solid (280 mg, 54%). MS (ISN) 510.9 [(M−H)−]; mp >288° C.

Sources & evidence

ORD record
ord-523efca01b334d818b411efc1ffd021d
Source dataset
uspto-grants-2010_05
Patent number
US07718661B2

Reaction notes

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