5-Bromo-2-fluoropyridine → HCID 86608076, compound

HRID 1293889Notes

Reaction equation

HRID 1293889 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]=[CH:29][C:30]([F:33])=[N:31][CH:32]=1>>[F:33][C:30]1[N:31]=[CH:32][C:27]([C:2]#[C:1][C:3]2[CH:4]=[N:5][N:6]3[C:11]([C:12]([F:14])([F:13])[F:15])=[CH:10][C:9]([C:16]4[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=4)=[N:8][C:7]=23)=[CH:28][CH:29]=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) (355 mg, 1.0 mmol) and commercially available 5-bromo-2-fluoropyridine (237 mg, 1.0 mmol) according to general procedure II. Obtained as an orange solid (470 mg, 69%). MS (ISP) 451.1 [(M+H)+]; mp 213–216° C.

Sources & evidence

ORD record
ord-d39a865dbd7c49e8be62c081e734a797
Source dataset
uspto-grants-2007_07
Patent number
US07238808B2

Reaction notes

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