3-Fluoro-5-(trifluoromethyl)benzeneboronic acid → 2-(3'-Fluoro-5-trifluoromethanesulfonyloxy-5'-trifluoromethyl-biphenyl-3-yl)-4-methyl-pentanoic acid methyl ester

HRID 426344Notes

Reaction equation

HRID 426344 reaction equation
[CH3:1][O:2][C:3](=[O:31])[CH:4]([C:9]1[CH:14]=[C:13]([O:15][S:16]([C:19]([F:22])([F:21])[F:20])(=[O:18])=[O:17])[CH:12]=[C:11](OCC2C=CC=CC=2)[CH:10]=1)[CH2:5][C:6]([CH3:8])=[CH2:7].[F:32][C:33]1[CH:34]=[C:35](B(O)O)[CH:36]=[C:37]([C:39]([F:42])([F:41])[F:40])[CH:38]=1>>[CH3:1][O:2][C:3](=[O:31])[CH:4]([C:9]1[CH:10]=[C:11]([C:35]2[CH:36]=[C:37]([C:39]([F:42])([F:41])[F:40])[CH:38]=[C:33]([F:32])[CH:34]=2)[CH:12]=[C:13]([O:15][S:16]([C:19]([F:22])([F:21])[F:20])(=[O:17])=[O:18])[CH:14]=1)[CH2:5][CH:6]([CH3:8])[CH3:7]

Participants

3

Reactant 2

HCID 27831923-Fluoro-5-(trifluoromethyl)benzeneboronic acidHCID 577550372-(3-Benzyloxy-5-trifluoromethanesulfonyloxy-phenyl)-4-methyl-pent-4-enoic acid methyl ester

Product 1

HCID 577549252-(3'-Fluoro-5-trifluoromethanesulfonyloxy-5'-trifluoromethyl-biphenyl-3-yl)-4-methyl-pentanoic acid methyl esterYield 66%

Procedure

The title compound was prepared in 66% yield from 2-(3-benzyloxy-5-trifluoromethanesulfonyloxy-phenyl)-4-methyl-pent-4-enoic acid methyl ester (prepared in Example 26, step (c)) under the conditions described in Example 26, step (d-f)) using 3-fluoro-5-trifluoromethylphenylboronic acid in step (d).

Sources & evidence

ORD record
ord-d3fb31f948484c55baeceffab841c20a
Source dataset
uspto-grants-2012_01
Patent number
US08106236B2

Reaction notes

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