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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
ノート
印刷プレビュー

反応式

HRID 2410959 の反応式
[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
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

4

反応物 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

生成物 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

試薬・触媒・溶媒 1

HCID 312751,4-Dioxane溶媒

反応条件

温度
80 °C

実験手順

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.

後処理

  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.

出典と根拠

ORDレコード
ord-6305f2f4ad33400189dd38ecbac150c8
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08816085B2

反応ノート

読み込み中…

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