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Sodium borohydride → 4-Hydroxymethyl-3-isopropyl-phenyl 1,1,1-trifluoro-methanesulfonate

HRID 841495
Notes
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Reaction equation

HRID 841495 reaction equation
[F:1][C:2]([F:19])([F:18])[S:3]([O:6][C:7]1[CH:12]=[CH:11][C:10]([CH:13]=[O:14])=[C:9]([CH:15]([CH3:17])[CH3:16])[CH:8]=1)(=[O:5])=[O:4].[BH4-].[Na+]>CO>[F:18][C:2]([F:1])([F:19])[S:3]([O:6][C:7]1[CH:12]=[CH:11][C:10]([CH2:13][OH:14])=[C:9]([CH:15]([CH3:17])[CH3:16])[CH:8]=1)(=[O:4])=[O:5]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 4311764Sodium borohydrideHCID 225689104-Formyl-3-isopropyl-phenyl 1,1,1-trifluoro-methanesulfonate2×

Product 1

HCID 225688934-Hydroxymethyl-3-isopropyl-phenyl 1,1,1-trifluoro-methanesulfonate

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Conditions

Temperature
0 °C

Procedure

To a solution of 4-formyl-3-isopropyl-phenyl 1,1,1-trifluoro-methansulfonate (Intermediate 148, 540.0 mg, 1.82 mmols) in 7 mL MeOH at 0° C. was added NaBH4 (72.0 mg, 1.91 mmols). After stirring 2 hours at 0° C. the reaction was carefully quenched with H2O and extracted with Et2O. The combined organic layers were washed with H2O and saturated aqueous NaCl, dried (MgSO4), and concetrated under reduced pressure. The title compound was isolated by column chromatography (5-10% EtOAc-hexanes) as a colorless oil, 355.0 mg (90%).

Workup

  1. customwas carefully quenched with H2O
  2. extractionextracted with Et2O
  3. washThe combined organic layers were washed with H2O and saturated aqueous NaCl
  4. dry with materialdried (MgSO4)

Sources & evidence

ORD record
ord-42a02e0a613d41faba428e13f11ea712
Source dataset
uspto-grants-2002_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06369225B1

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes