(3,4,5-Trifluorophenyl)boronic Acid (contains varying amounts of Anhydride) → HCID 17747538, compound

HRID 426326Notes

Reaction equation

HRID 426326 reaction equation
C([O:3][C:4](=[O:34])[CH:5]([C:10]1[CH:11]=[C:12]([C:24]2[CH:29]=[CH:28][C:27]([C:30]([F:33])([F:32])[F:31])=[CH:26][CH:25]=2)[CH:13]=[C:14](OS(C(F)(F)F)(=O)=O)[CH:15]=1)[CH2:6][CH:7]([CH3:9])[CH3:8])C.[F:35][C:36]1[CH:37]=[C:38](B(O)O)[CH:39]=[C:40]([F:43])[C:41]=1[F:42]>>[CH3:9][CH:7]([CH3:8])[CH2:6][CH:5]([C:10]1[CH:11]=[C:12]([C:24]2[CH:25]=[CH:26][C:27]([C:30]([F:32])([F:31])[F:33])=[CH:28][CH:29]=2)[CH:13]=[C:14]([C:38]2[CH:37]=[C:36]([F:35])[C:41]([F:42])=[C:40]([F:43])[CH:39]=2)[CH:15]=1)[C:4]([OH:3])=[O:34]

Participants

3

Procedure

The title compound was prepared from a Suzuki coupling of 4-Methyl-2-(5-trifluoromethanesulfonyloxy-4′-trifluoromethyl-biphenyl-3-yl)-pentanoic acid ethyl ester (intermediate Example 1g) with 3,4,5-trifluoro-phenylboronic acid under the conditions described in Example 1; 1H NMR (400 MHz, CHLOROFORM-D) δ ppm 0.92 (d, J=6.60 Hz, 6H), 1.50-1.58 (m, 1H), 1.70-1.78 (m, 1H), 2.01-2.15 (m, 1H), 3.75-3.81 (m, 1H), 7.18-7.25 (m, 2H), 7.46 (s, 1H), 7.52-7.58 (m, 2H), 7.63-7.73 (m, 4H); Calcd for C25H20F6O2 (M+Na) 489.42, Found 488.4.

Sources & evidence

ORD record
ord-8f9b41d8c0f54d19801f10948a96fe33
Source dataset
uspto-grants-2012_01
Patent number
US08106236B2

Reaction notes

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