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Lithium Hydroxide → HCID 59577007, compound

HRID 2041978
Notes
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Reaction equation

HRID 2041978 reaction equation
[C:1]([C:5]1[CH:22]=[CH:21][CH:20]=[CH:19][C:6]=1[O:7][CH:8]1[CH2:11][N:10]([C:12](=[O:18])[C:13]([O:15]CC)=[O:14])[CH2:9]1)([CH3:4])([CH3:3])[CH3:2].[OH-].[Li+]>C(O)C>[C:1]([C:5]1[CH:22]=[CH:21][CH:20]=[CH:19][C:6]=1[O:7][CH:8]1[CH2:9][N:10]([C:12](=[O:18])[C:13]([OH:15])=[O:14])[CH2:11]1)([CH3:4])([CH3:2])[CH3:3]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 3939Lithium HydroxideHCID 59577194HCID 59577194, compound

Product 1

HCID 59577007HCID 59577007, compoundYield 65%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Conditions

Temperature
0 °C

Procedure

To a stirred solution of ethyl 2-(3-(2-tert-butylphenoxy)azetidin-1-yl)-2-oxoacetate (1.65 g, 5.40 mmol) in ethanol (60.0 ml) was added lithium hydroxide (16.2 mL of 1.0 M solution in water, 16.2 mmol) at room temperature. After 1 h the reaction mixture was concentrated under reduced pressure, the resulting residue was diluted with water, cooled to 0° C., adjusted to about pH 1 with 1.0 N hydrochloric acid and the resulting solution was extracted with ethyl acetate. The organic layer was washed with saturated sodium chloride, dried (Na2SO4), filtered and concentrated under reduced pressure. The residue was recrystallized from heptane/ethyl acetate to provide 2-(3-(2-tert-butylphenoxy)azetidin-1-yl)-2-oxoacetic acid (0.97 g, 65%) as a white powder.

Workup

  1. concentrationAfter 1 h the reaction mixture was concentrated under reduced pressure
  2. additionthe resulting residue was diluted with water
  3. extractionthe resulting solution was extracted with ethyl acetate
  4. washThe organic layer was washed with saturated sodium chloride
  5. dry with materialdried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was recrystallized from heptane/ethyl acetate

Sources & evidence

ORD record
ord-a5ad544785d34beb93db8da0dae66deb
Source dataset
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08586571B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes