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Lithium Hydroxide → (3S)-3-(3-Isoxazolyl)-3-(4-(((3-methyl-5-(4-(trifluoromethyl)phenyl)-2-thienyl)methyl)oxy)phenyl)propanoic acid

HRID 1675319
Notes
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Reaction equation

HRID 1675319 reaction equation
[O:1]1[CH:5]=[CH:4][C:3]([C@H:6]([C:12]2[CH:17]=[CH:16][C:15]([O:18][CH2:19][C:20]3[S:21][C:22]([C:26]4[CH:31]=[CH:30][C:29]([C:32]([F:35])([F:34])[F:33])=[CH:28][CH:27]=4)=[CH:23][C:24]=3[CH3:25])=[CH:14][CH:13]=2)[CH2:7][C:8]([O:10]C)=[O:9])=[N:2]1.[Li+].[OH-]>C1COCC1.CO>[O:1]1[CH:5]=[CH:4][C:3]([C@H:6]([C:12]2[CH:13]=[CH:14][C:15]([O:18][CH2:19][C:20]3[S:21][C:22]([C:26]4[CH:27]=[CH:28][C:29]([C:32]([F:35])([F:33])[F:34])=[CH:30][CH:31]=4)=[CH:23][C:24]=3[CH3:25])=[CH:16][CH:17]=2)[CH2:7][C:8]([OH:10])=[O:9])=[N:2]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 3939Lithium HydroxideHCID 59300676Methyl (3S)-3-(3-isoxazolyl)-3-(4-(((3-methyl-5-(4-(trifluoromethyl)phenyl)-2-thienyl)methyl)oxy)phenyl)propanoate

Product 1

HCID 59300617(3S)-3-(3-Isoxazolyl)-3-(4-(((3-methyl-5-(4-(trifluoromethyl)phenyl)-2-thienyl)methyl)oxy)phenyl)propanoic acidYield 71%

Reagents, catalysts & solvents 1

HCID 21899815MeOH tetrahydrofuranSolvent

Procedure

To a solution of 62.9 (64 mg, 0.13 mmol) in 3:1 THF/MeOH (2.8 mL) was added 1N LiOH (0.7 mL). The mixture was stirred for 1 Hour at room temperature, quenched with 1N HCl (0.8 mL), and extracted with EtOAc. The combined organics were washed with water and brine, dried (Na2SO4), and concentrated to afford 62 (45 mg, 70%) as an off-white solid. 1H NMR (400 MHz, CDCl3) δ 8.29 (d, 1H), 7.65 (d, 2H), 7.60 (d, 2H), 7.20 (d, 2H), 7.15 (s, 1H), 6.95 (d, 2H), 6.07 (d, 1H), 5.10 (s, 2H), 4.55 (t, 1H) 3.35 (dd, 1H), 2.98 (dd, 1H), 2.28 (s, 3H).

Workup

  1. customquenched with 1N HCl (0.8 mL)
  2. extractionextracted with EtOAc
  3. washThe combined organics were washed with water and brine
  4. dry with materialdried (Na2SO4)
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-0698e55ba02e4eff96f2116d6091a0a7
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08003648B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes