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Water → (1H-indol-2-yl)methanol

HRID 25159
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HRID 25159 반응식
[H-].[Al+3].[Li+].[H-].[H-].[H-].[NH:7]1[C:15]2[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=2)[CH:9]=[C:8]1[C:16](OCC)=[O:17].O.[OH-].[Na+]>C1COCC1>[NH:7]1[C:15]2[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=2)[CH:9]=[C:8]1[CH2:16][OH:17]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 962Water2회HCID 14798Sodium HydroxideHCID 73125Ethyl indole-2-carboxylateHCID 21226445Aluminium lithium hydride

생성물 1

HCID 98783(1H-indol-2-yl)methanol수율 83%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회
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실험 절차

To a suspension of lithium aluminum hydride (10.6 g, 264 mmol) in THF (200 mL) is added dropwise a solution of ethyl indole-2-carboxylate (50.0 g, 256 mmol) in THF (250 mL) over 25 minutes. After 3 h, water (10.6 mL) is carefully added, followed by 15% NaOH (10.6 mL), followed by additional portion of water (31.8 mL). The resulting suspension is dried (Na2SO4) and filtered through celite. After concentration under reduced pressure, the white solid (34.0 g) is crystallized from EtOAc/hexanes to give white needles for 1H-indol-2-ylmethanol. Yield 83%. HRMS (FAB) calcd for C9H9NO+H 148.0762, found 148.0771.

후처리

  1. dry with materialThe resulting suspension is dried (Na2SO4)
  2. filtrationfiltered through celite
  3. concentrationAfter concentration under reduced pressure
  4. customthe white solid (34.0 g) is crystallized from EtOAc/hexanes

출처 및 근거

ORD 기록
ord-8e64fb0de175486682f4ed35ca9f9ed1
출처 데이터셋
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06858613B2

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