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Sodium Hydroxide → (2'-Fluoro-5'-(methyloxy)-2-((1R,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-en-2-yl)-1,1'-biphenyl-4-yl)methanol

HRID 404353
Notes
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Reaction equation

HRID 404353 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[CH:4][C:3]=1[C:10]1[CH:15]=[CH:14][C:13]([C:16](OC)=[O:17])=[CH:12][C:11]=1[C:20]1[C@@:21]2([CH3:29])[C:26]([CH3:28])([CH3:27])[C@@H:24]([CH:25]=1)[CH2:23][CH2:22]2.[H-].[H-].[H-].[H-].[Li+].[Al+3].[OH-].[Na+]>C1COCC1>[F:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH3:9])=[CH:4][C:3]=1[C:10]1[CH:15]=[CH:14][C:13]([CH2:16][OH:17])=[CH:12][C:11]=1[C:20]1[C@@:21]2([CH3:29])[C:26]([CH3:28])([CH3:27])[C@@H:24]([CH:25]=1)[CH2:23][CH2:22]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 14798Sodium HydroxideHCID 21226445Aluminium lithium hydrideHCID 57706090Methyl 2'-fluoro-5'-(methyloxy)-2-((1R,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-en-2-yl)-1,1'-biphenyl-4-carboxylate

Product 1

HCID 57706974(2'-Fluoro-5'-(methyloxy)-2-((1R,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-en-2-yl)-1,1'-biphenyl-4-yl)methanolYield 95.5%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent2×

Procedure

To a stirred solution of T20.5 (0.050 g, 0.1 mmol) in THF (4 mL) at 0° C. was added LAH in THF (0.3 mL, 0.3 mmol, 1.0M). The resulting mixture was stirred for 2 hours. 1N NaOH(aq) was added to the mixture to quench it. The reaction was then extracted three times with EtOAc. After drying over anhydrous magnesium sulfate and filtering, the organic solvent was removed under reduced pressure and the product was purified on silica gel (0-20% EtOAc in hexanes) to yield T20.6 as a colorless oil (0.035 g, 75% yield).

Workup

  1. customto quench it
  2. extractionThe reaction was then extracted three times with EtOAc
  3. dry with materialAfter drying over anhydrous magnesium sulfate
  4. filtrationfiltering
  5. customthe organic solvent was removed under reduced pressure
  6. customthe product was purified on silica gel (0-20% EtOAc in hexanes)

Sources & evidence

ORD record
ord-e40e47bea5174c0daac7811310eb76a8
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08748462B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes