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Diethyl Ether → {1-[5-Chloro-2-(4-chloro-benzyloxy)-benzyl]-5-methyl-1H-pyrazol-3-YL}-methanol

HRID 536559
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HRID 536559 반응식
C([O:3][C:4]([C:6]1[CH:10]=[C:9]([CH3:11])[N:8]([CH2:12][C:13]2[CH:18]=[C:17]([Cl:19])[CH:16]=[CH:15][C:14]=2[O:20][CH2:21][C:22]2[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][CH:23]=2)[N:7]=1)=O)C.[H-].[H-].[H-].[H-].[Li+].[Al+3].CCOCC.[OH-].[Na+]>C1COCC1>[Cl:19][C:17]1[CH:16]=[CH:15][C:14]([O:20][CH2:21][C:22]2[CH:23]=[CH:24][C:25]([Cl:28])=[CH:26][CH:27]=2)=[C:13]([CH:18]=1)[CH2:12][N:8]1[C:9]([CH3:11])=[CH:10][C:6]([CH2:4][OH:3])=[N:7]1
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참가 물질

6

반응물 4

HCID 3283Diethyl EtherHCID 14798Sodium HydroxideHCID 21226445Aluminium lithium hydrideHCID 686409611-[5-Chloro-2-(4-chloro-benzyloxy)-benzyl]-5-methyl-1H-pyrazole-3-carboxylic acid ethyl ester

생성물 1

HCID 68641874{1-[5-Chloro-2-(4-chloro-benzyloxy)-benzyl]-5-methyl-1H-pyrazol-3-YL}-methanol

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

To a solution of ester 3 (0.3 g, 0.72 mmol) in THF (6 mL) under N2 atmosphere was added 1M LiAlH4 in Et2O (2.2 mL, 2.20 mmol). The resulting mixture was stirred at RT for 2 h. 2 M NaOH (2 mL) was added dropwise and the precipitate was removed by filtration. The volatiles were removed in vacuo. The residue was dissolved in EtOAc (20 mL), washed with water (2×15 mL), brine (15 mL), dried (Na2SO4) and evaporated to dryness to give alcohol 4 as a white solid, 0.16 g (60%).

후처리

  1. customthe precipitate was removed by filtration
  2. customThe volatiles were removed in vacuo
  3. dissolutionThe residue was dissolved in EtOAc (20 mL)
  4. washwashed with water (2×15 mL), brine (15 mL)
  5. dry with materialdried (Na2SO4)
  6. customevaporated to dryness

출처 및 근거

ORD 기록
ord-189888ffda4f4d958a1689fdff1665c2
출처 데이터셋
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08859606B2

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