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Sodium hydride → tert-butyl cis-3-fluoro-4-((4-(N-isobutyl-N-(5-isopropyl-3-methylpyridin-2-yl)sulfamoyl)phenoxy)methyl)piperidine-1-carboxylate

HRID 594137
Notes
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Reaction equation

HRID 594137 reaction equation
F[C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]([CH2:22][CH:23]([CH3:25])[CH3:24])[C:12]2[C:17]([CH3:18])=[CH:16][C:15]([CH:19]([CH3:21])[CH3:20])=[CH:14][N:13]=2)(=[O:10])=[O:9])=[CH:4][CH:3]=1.[H-].[Na+].[F:28][C@H:29]1[C@@H:34]([CH2:35][OH:36])[CH2:33][CH2:32][N:31]([C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[CH2:30]1>CN(C)C=O>[F:28][C@H:29]1[C@@H:34]([CH2:35][O:36][C:2]2[CH:7]=[CH:6][C:5]([S:8](=[O:9])(=[O:10])[N:11]([CH2:22][CH:23]([CH3:25])[CH3:24])[C:12]3[C:17]([CH3:18])=[CH:16][C:15]([CH:19]([CH3:20])[CH3:21])=[CH:14][N:13]=3)=[CH:4][CH:3]=2)[CH2:33][CH2:32][N:31]([C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[CH2:30]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 24758Sodium hydrideHCID 89875921(3S,4R)-rel-tert-Butyl 3-fluoro-4-(hydroxymethyl)piperidine-1-carboxylateHCID 898761814-fluoro-N-isobutyl-N-(5-isopropyl-3-methylpyridin-2-yl)benzenesulfonamide

Product 1

HCID 117925923tert-butyl cis-3-fluoro-4-((4-(N-isobutyl-N-(5-isopropyl-3-methylpyridin-2-yl)sulfamoyl)phenoxy)methyl)piperidine-1-carboxylateYield 91.7%

Reagents, catalysts & solvents

1
HCID 6228DimethylformamideSolvent

Procedure

4-fluoro-N-isobutyl-N-(5-isopropyl-3-methylpyridin-2-yl)benzenesulfonamide (35 mg, 0.10 mmol) was dissolved in N,N-dimethylformamide (DMF) (3 mL) and to this solution was added sodium hydride (2 mg, 0.10 mmol, 60% wt in mineral oil) followed by tert-butyl cis-3-fluoro-4-(hydroxymethyl)piperidine-1-carboxylate (22 mg, 0.10 mmol). The reaction was stirred overnight at room temperature, under nitrogen, then quenched with water and concentrated in vacuo. The crude product was extracted to the organic phase of an aqueous workup between ethyl acetate and water. The organic phase was then passed through a hydrophobic frit and concentrated in vacuo to give the title compound (53 mg). LCMS (2 min, formic) Rt 1.53 min, m/z (ES+) 578 (M+H).

Workup

  1. customquenched with water
  2. concentrationconcentrated in vacuo
  3. extractionThe crude product was extracted to the organic phase of an aqueous workup between ethyl acetate and water
  4. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-69a5669a66b64471b3e17ca4845e6759
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09242972B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes