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Lithium Hydroxide → 7-[5-(Cyclopropylmethoxy)-1,3-benzodioxol-4-yl]-2-methyl-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid

HRID 2410959
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HRID 2410959 반응식
[CH:1]1([CH2:4][O:5][C:6]2[CH:14]=[CH:13][C:9]3[O:10][CH2:11][O:12][C:8]=3[C:7]=2[C:15]2[CH:20]=[CH:19][N:18]=[C:17]3[C:21]([C:33]([O:35]CC)=[O:34])=[C:22]([CH3:32])[N:23]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:31])([CH3:30])[CH3:29])[C:16]=23)[CH2:3][CH2:2]1.[Li+].[OH-]>O1CCOCC1>[CH:1]1([CH2:4][O:5][C:6]2[CH:14]=[CH:13][C:9]3[O:10][CH2:11][O:12][C:8]=3[C:7]=2[C:15]2[CH:20]=[CH:19][N:18]=[C:17]3[C:21]([C:33]([OH:35])=[O:34])=[C:22]([CH3:32])[N:23]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:30])([CH3:31])[CH3:29])[C:16]=23)[CH2:3][CH2:2]1
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참가 물질

4

반응물 2

HCID 3939Lithium HydroxideHCID 67775066Ethyl 7-[5-(cyclopropylmethoxy)-1,3-benzodioxol-4-yl]-2-methyl-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrrolo[3,2-b]pyridine-3-carboxylate

생성물 1

HCID 677726607-[5-(Cyclopropylmethoxy)-1,3-benzodioxol-4-yl]-2-methyl-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid

시약·촉매·용매 1

HCID 312751,4-Dioxane용매

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온도
80 °C

실험 절차

Ethyl 7-[5-(cyclopropylmethoxy)-1,3-benzodioxol-4-yl]-2-methyl-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrrolo[3,2-b]pyridine-3-carboxylate from example D.b1 (15.28 g; 29.0 mmol) is dissolved in 1,4-dioxane (150 mL) and aqueous LiOH (prepared from 1.04 g; 43.5 mmol; and 75 mL of water). The stirred reaction mixture is heated to 80° C. until the starting material is consumed according to LC-MS. The mixture is concentrated under reduced pressure, and diluted with water. The product is precipitated by addition of 2M citric acid to adjust pH to 5, isolated by suction filtration, washed with several small portions of water and dried in high vacuo at 40° C. to yield the title compound as pale yellow solid.

후처리

  1. customThe stirred reaction mixture
  2. customis consumed
  3. concentrationThe mixture is concentrated under reduced pressure
  4. additiondiluted with water
  5. customThe product is precipitated by addition of 2M citric acid
  6. customisolated by suction filtration
  7. washwashed with several small portions of water
  8. customdried in high vacuo at 40° C.

출처 및 근거

ORD 기록
ord-6305f2f4ad33400189dd38ecbac150c8
출처 데이터셋
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08816085B2

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