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Cesium carbonate → N-(1-((6-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)pyridin-2-yl)methyl)-3-ethyl-1H-indazol-4-yl)imidazo[1,2-a]pyridine-3-carboxamide

HRID 79408
ノート
印刷プレビュー

反応式

HRID 79408 の反応式
[CH2:1]([C:3]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][C:10]=2[NH:12][C:13]([C:15]2[N:19]3[CH:20]=[CH:21][CH:22]=[CH:23][C:18]3=[N:17][CH:16]=2)=[O:14])[N:5]([CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[C:27]([OH:31])[N:26]=2)[N:4]=1)[CH3:2].CS(O[CH2:37][CH:38]1[CH2:42][O:41][C:40]([CH3:44])([CH3:43])[O:39]1)(=O)=O.C([O-])([O-])=O.[Cs+].[Cs+]>CC(N(C)C)=O>[CH3:43][C:40]1([CH3:44])[O:39][CH:38]([CH2:37][O:31][C:27]2[N:26]=[C:25]([CH2:24][N:5]3[C:6]4[C:11](=[C:10]([NH:12][C:13]([C:15]5[N:19]6[CH:20]=[CH:21][CH:22]=[CH:23][C:18]6=[N:17][CH:16]=5)=[O:14])[CH:9]=[CH:8][CH:7]=4)[C:3]([CH2:1][CH3:2])=[N:4]3)[CH:30]=[CH:29][CH:28]=2)[CH2:42][O:41]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

5

反応物 3

HCID 10796Cesium carbonateHCID 15570840(2,2-Dimethyl-1,3-dioxolan-4-yl)methyl methanesulfonateHCID 178437935HCID 178437935、化合物

生成物 1

HCID 67259775N-(1-((6-((2,2-dimethyl-1,3-dioxolan-4-yl)methoxy)pyridin-2-yl)methyl)-3-ethyl-1H-indazol-4-yl)imidazo[1,2-a]pyridine-3-carboxamide収率 58.4%

試薬・触媒・溶媒 1

HCID 31374
Dimethylacetamide
溶媒

反応条件

温度
90 °C

実験手順

To N-(3-ethyl-1-((6-hydroxypyridin-2-yl)methyl)-1H-indazol-4-yl)imidazo[1,2-a]pyridine-3-carboxamide (17, Step A) (16 mg, 0.039 mmol) in DMA (2 mL) was added (2,2-dimethyl-1,3-dioxolan-4-yl)methyl methanesulfonate (8.2 mg, 0.039 mmol) and Cs2CO3 (25 mg, 0.078 mmol). The reaction vial was sealed and the mixture was heated at 90° C. for 6 hours. The DMA was removed under reduced pressure. The residue was diluted with EtOAc (20 mL). The organic solution was washed with saturated NaHCO3 aqueous solution and brine, and then concentrated under reduced pressure. Silica gel chromatography (DCM/MeOH 10:0.5) gave the product (12 mg).

後処理

  1. customThe reaction vial was sealed
  2. customThe DMA was removed under reduced pressure
  3. additionThe residue was diluted with EtOAc (20 mL)
  4. washThe organic solution was washed with saturated NaHCO3 aqueous solution and brine
  5. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-201f28a51ada4d539f8ea3f962ea3de5
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08841455B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート