3,3-Difluoropiperidine hydrochloride → 1-{3-Chloro-6-[2-(3,3-difluoro-piperidin-1-yl)-ethoxy]-5-[3-(4-fluoro-phenyl)-butoxy]-4-methoxy-2-methyl-phenyl}-ethanone

HRID 219460

Reaction equation

HRID 219460 reaction equation
Br[CH2:2][CH2:3][O:4][C:5]1[C:10]([O:11][CH2:12][CH2:13][CH:14]([C:16]2[CH:21]=[CH:20][C:19]([F:22])=[CH:18][CH:17]=2)[CH3:15])=[C:9]([O:23][CH3:24])[C:8]([Cl:25])=[C:7]([CH3:26])[C:6]=1[C:27](=[O:29])[CH3:28].Cl.[F:31][C:32]1([F:38])[CH2:37][CH2:36][CH2:35][NH:34][CH2:33]1>>[Cl:25][C:8]1[C:7]([CH3:26])=[C:6]([C:27](=[O:29])[CH3:28])[C:5]([O:4][CH2:3][CH2:2][N:34]2[CH2:35][CH2:36][CH2:37][C:32]([F:38])([F:31])[CH2:33]2)=[C:10]([O:11][CH2:12][CH2:13][CH:14]([C:16]2[CH:21]=[CH:20][C:19]([F:22])=[CH:18][CH:17]=2)[CH3:15])[C:9]=1[O:23][CH3:24]

Participants

3

Reactant 2

HCID 27583493,3-Difluoropiperidine hydrochlorideHCID 595835231-{2-(2-Bromo-ethoxy)-5-chloro-3-[3-(4-fluoro-phenyl)-butoxy]-4-methoxy-6-methyl-phenyl}-ethanone

Product 1

HCID 252548411-{3-Chloro-6-[2-(3,3-difluoro-piperidin-1-yl)-ethoxy]-5-[3-(4-fluoro-phenyl)-butoxy]-4-methoxy-2-methyl-phenyl}-ethanoneYield 33%

Procedure

Example 8a (101 mg, 0.21 mmol) was reacted with 3,3-difluoropiperidine hydrochloride (2.5 eq.) as described under General Procedure K to afford the title compound (37 mg, 33%) as a clear oil. 1H NMR (300 MHz, CDCl3) δ 7.20-7.15 (m, 2H), 7.01-6.95 (m, 2H), 4.07 (t, J=5.4 Hz, 2H), 3.97 (td, J=6.9, 1.5 Hz, 2H), 3.83 (s, 3H), 3.05-2.83 (m, 1H), 2.75-2.68 (m, 4H), 2.50-2.46 (m, 5H), 2.18 (s, 3H), 2.13-1.94 (m, 2H), 1.90-1.74 (m, 4H), 1.29 (d, J=6.9 Hz, 3H). MS (ES+) m/z 528 (M+H+).

Sources & evidence

ORD record
ord-0209539499054c3ea2f093ac44d579cb
Source dataset
uspto-grants-2012_06
Patent number
US08202513B2

Linked notes

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