[2-Ethoxy-5-(trifluoromethyl)phenyl]boronic acid → HCID 67481423, compound

HRID 472584Notes

Reaction equation

HRID 472584 reaction equation
Br[C:2]1[C:3]2[N:4]([N:8]=[C:9]([Cl:11])[N:10]=2)[CH:5]=[CH:6][CH:7]=1.[CH2:12]([O:14][C:15]1[CH:20]=[CH:19][C:18]([C:21]([F:24])([F:23])[F:22])=[CH:17][C:16]=1B(O)O)[CH3:13]>>[Cl:11][C:9]1[N:10]=[C:3]2[C:2]([C:16]3[CH:17]=[C:18]([C:21]([F:24])([F:23])[F:22])[CH:19]=[CH:20][C:15]=3[O:14][CH2:12][CH3:13])=[CH:7][CH:6]=[CH:5][N:4]2[N:8]=1

Participants

3

Procedure

2-Chloro-8-(2-ethoxy-5-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridine was prepared from 8-bromo-2-chloro-[1,2,4]triazolo[1,5-a]pyridine (0.500 g, 2.15 mmol) and 2-ethoxy-5-trifluoromethylbenzeneboronic acid (0.755 g, 3.23 mmol) in a manner analogous to Example 311a to give product (0.645 g, 88%). MS=342 (MH)+.

Sources & evidence

ORD record
ord-44aac62e882c4559b7fa984eda104349
Source dataset
uspto-grants-2014_01
Patent number
US08633173B2

Reaction notes

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