Boron tribromide → 5-[2-(2-Chloro-4-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-1-methyl-1H-pyridin-2-one

HRID 333856Notes

Reaction equation

[Cl:1][C:2]1[CH:7]=[C:6]([O:8]C)[CH:5]=[CH:4][C:3]=1[CH:10]([CH3:25])[C:11]([C:17]1[CH:18]=[CH:19][C:20](=[O:24])[N:21]([CH3:23])[CH:22]=1)([OH:16])[C:12]([F:15])([F:14])[F:13].B(Br)(Br)Br>>[Cl:1][C:2]1[CH:7]=[C:6]([OH:8])[CH:5]=[CH:4][C:3]=1[CH:10]([CH3:25])[C:11]([C:17]1[CH:18]=[CH:19][C:20](=[O:24])[N:21]([CH3:23])[CH:22]=1)([OH:16])[C:12]([F:14])([F:15])[F:13]

Participants

Reactant 2

HCID 25134Boron tribromide

HCID 574213135-[2-(2-Chloro-4-methoxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-1-methyl-1H-pyridin-2-one

Product 1

HCID 574213145-[2-(2-Chloro-4-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-1-methyl-1H-pyridin-2-one

Procedure

In analogy to Example 183, 5-[2-(2-chloro-4-methoxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-1-methyl-1H-pyridin-2-one (Example 195) was reacted with BBr3 to give the title compound as a colorless solid. MS (m/e, ISP neg. ion)=360.0 [M+H+].

Sources & evidence

ORD record: ord-d04e499b5a1f4374ad3b342c8223e778
Source dataset: uspto-grants-2014_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08883786B2

Reaction notes

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