(2-Hydroxy-3-methylphenyl)boronic acid → 6-(2-Hydroxy-5-methoxyphenyl)-6'-(2-hydroxy-3-methylphenyl)-2,2'-bipyridine

HRID 566918Notes

Reaction equation

HRID 566918 reaction equation
Br[C:2]1[N:7]=[C:6]([C:8]2[CH:13]=[CH:12][CH:11]=[C:10]([C:14]3[CH:19]=[C:18]([O:20][CH3:21])[CH:17]=[CH:16][C:15]=3[OH:22])[N:9]=2)[CH:5]=[CH:4][CH:3]=1.[OH:23][C:24]1[C:29]([CH3:30])=[CH:28][CH:27]=[CH:26][C:25]=1B(O)O>>[OH:22][C:15]1[CH:16]=[CH:17][C:18]([O:20][CH3:21])=[CH:19][C:14]=1[C:10]1[N:9]=[C:8]([C:6]2[CH:5]=[CH:4][CH:3]=[C:2]([C:25]3[CH:26]=[CH:27][CH:28]=[C:29]([CH3:30])[C:24]=3[OH:23])[N:7]=2)[CH:13]=[CH:12][CH:11]=1

Participants

3

Reactant 2

HCID 18616946(2-Hydroxy-3-methylphenyl)boronic acidHCID 1358542856-Bromo-6'-(2-hydroxy-5-methoxyphenyl)-2,2'-bipyridine

Product 1

HCID 1354560286-(2-Hydroxy-5-methoxyphenyl)-6'-(2-hydroxy-3-methylphenyl)-2,2'-bipyridineYield 65%

Procedure

6-(2-Hydroxy-5-methoxyphenyl)-6′-(2-hydroxy-3-methylphenyl)-2,2′-bipyridine was prepared from 6-bromo-6′-(2-hydroxy-5-methoxyphenyl)-2,2′-bipyridine and 2-hydroxy-3-methylphenylboronic acid in 65% yield using method F; δH [2H6]-DMSO 12.35,(1H, s), 8.37,(2H, m), 8.24,(2H, m), 8.17,(1H, d), 7.96,(1H, d), 7.65,(1H, s), 7.27,(1H, d), 7.02-6.86,(3H, m), 3.83,(3H, s), 8.09,(1H, s); MS 385 (MH)+; HPLC retention time (system 1) 4.31 minutes.

Workup

  1. customHPLC retention time (system 1) 4.31 minutes

Sources & evidence

ORD record
ord-ba6e4dde9b5e4fc586fd4440621523e3
Source dataset
uspto-grants-2001_01
Patent number
US06177419B1

Reaction notes

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