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4-Fluoro-1-naphthoic acid → N-[(1RS,2SR)-1-[3-(neopentyloxy)benzyl]-2-(3-chlorophenyl)-2-hydroxyethyl]-4-fluoro-1-naphthamide

HRID 1610741
Notes
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Reaction equation

HRID 1610741 reaction equation
[NH2:1][CH:2]([CH2:12][C:13]1[CH:18]=[CH:17][CH:16]=[C:15]([O:19][CH2:20][C:21]([CH3:24])([CH3:23])[CH3:22])[CH:14]=1)[CH:3]([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([Cl:11])[CH:6]=1)[OH:4].[F:25][C:26]1[C:35]2[C:30](=[CH:31][CH:32]=[CH:33][CH:34]=2)[C:29]([C:36](O)=[O:37])=[CH:28][CH:27]=1.O.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C>CN(C)C=O.C(OCC)(=O)C>[CH2:20]([O:19][C:15]1[CH:14]=[C:13]([CH:18]=[CH:17][CH:16]=1)[CH2:12][CH:2]([NH:1][C:36]([C:29]1[C:30]2[C:35](=[CH:34][CH:33]=[CH:32][CH:31]=2)[C:26]([F:25])=[CH:27][CH:28]=1)=[O:37])[CH:3]([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([Cl:11])[CH:6]=1)[OH:4])[C:21]([CH3:24])([CH3:23])[CH3:22]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 684484-Fluoro-1-naphthoic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 22261929(1RS,2SR)-2-amino-3-[3-(neopentyloxy)phenyl]-1-(3-chlorophenyl)-1-propanol

Product 1

HCID 22261678N-[(1RS,2SR)-1-[3-(neopentyloxy)benzyl]-2-(3-chlorophenyl)-2-hydroxyethyl]-4-fluoro-1-naphthamide
Yield 79.2%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a solution of (1RS,2SR)-2-amino-3-[3-(neopentyloxy)phenyl]-1-(3-chlorophenyl)-1-propanol (0.30 g, 0.86 mmol) in N,N-dimethylformamide (5 ml) were added 4-fluoronaphthalene-1-carboxylic acid (0.17 g, 0.90 mmol) and 1-hydroxybenzotriazole monohydrate (0.138 g, 0.90 mmol), and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.173 g, 0.90 mmol) was finally added. The mixture was stirred at room temperature overnight. The mixture was diluted with ethyl acetate, washed with saturated aqueous sodium hydrogen carbonate solution, water and saturated brine, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The residue was purified by recrystallization (hexane-ethyl acetate) to give N-[(1RS,2SR)-1-[3-(neopentyloxy)benzyl]-2-(3-chlorophenyl)-2-hydroxyethyl]-4-fluoro-1-naphthamide (0.354 g, 79%) as colorless crystals.

Workup

  1. additionwas finally added
  2. washwashed with saturated aqueous sodium hydrogen carbonate solution, water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by recrystallization (hexane-ethyl acetate)

Sources & evidence

ORD record
ord-fb5e4f1084b2486ab36638319b96ee8a
Source dataset
uspto-grants-2006_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06982348B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes