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Sodium borohydride → 1-(2-Chloropyrimidin-4-yl)ethanol

HRID 410432
Notes
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Reaction equation

HRID 410432 reaction equation
[Cl:1][C:2]1[N:7]=[C:6]([C:8](=[O:10])[CH3:9])[CH:5]=[CH:4][N:3]=1.[BH4-].[Na+]>CO.CCOC(C)=O>[Cl:1][C:2]1[N:7]=[C:6]([CH:8]([OH:10])[CH3:9])[CH:5]=[CH:4][N:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 4311764Sodium borohydrideHCID 446138781-(2-Chloropyrimidin-4-yl)ethanone

Product 1

HCID 772310661-(2-Chloropyrimidin-4-yl)ethanolYield 36.3%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a solution of 1-(2-chloropyrimidin-4-yl)ethanone (600 mg, 3.83 mmol) in MeOH (5 mL) at 0° C. was added sodium borohydride (145 mg, 3.83 mmol) and stirred for 30 min. The solution was diluted with EtOAc, washed with brine, dried with MgSO4, filtered, and concentrated to dryness to afford 1-(2-chloropyrimidin-4-yl)ethanol (220 mg, 1.39 mmol, 36% yield). MS ESI: [M+H]+ m/z 159.0. 1H NMR (500 MHz, CDCl3) δ 8.60 (d, J=5.1, 1H), 7.39 (d, J=5.1, 1H), 4.87 (q, J=6.6, 1H), 1.53 (m, 3H).

Workup

  1. washwashed with brine
  2. dry with materialdried with MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated to dryness

Sources & evidence

ORD record
ord-f05c26f4a96d4a1bad22127658f72275
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08759366B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes