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Trifluoroacetic acid → 7-(1-tert-butyl-1H-pyrazol-4-yl)-N-{[(3S)-3-fluoropiperidin-3-yl]methyl}-1,6-naphthyridin-5-amine

HRID 473326
ノート
印刷プレビュー

反応式

HRID 473326 の反応式
[CH3:1][C:2]([N:5]1[CH:9]=[C:8]([C:10]2[CH:19]=[C:18]3[C:13]([CH:14]=[CH:15][CH:16]=[N:17]3)=[C:12]([NH:20][CH2:21][C@:22]3([F:35])[CH2:27][CH2:26][CH2:25][N:24](C(OC(C)(C)C)=O)[CH2:23]3)[N:11]=2)[CH:7]=[N:6]1)([CH3:4])[CH3:3].C(O)(C(F)(F)F)=O>C(Cl)Cl.CO>[CH3:4][C:2]([N:5]1[CH:9]=[C:8]([C:10]2[N:11]=[C:12]([NH:20][CH2:21][C@:22]3([F:35])[CH2:27][CH2:26][CH2:25][NH:24][CH2:23]3)[C:13]3[CH:14]=[CH:15][CH:16]=[N:17][C:18]=3[CH:19]=2)[CH:7]=[N:6]1)([CH3:1])[CH3:3]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 6422Trifluoroacetic acidHCID 682099451,1-Dimethylethyl (3R)-3-[({7-[1-(1,1-dimethylethyl)-1H-pyrazol-4-yl]-1,6-naphthyridin-5-yl}amino)methyl]-3-fluoro-1-piperidinecarboxylate

生成物 1

HCID 545754607-(1-tert-butyl-1H-pyrazol-4-yl)-N-{[(3S)-3-fluoropiperidin-3-yl]methyl}-1,6-naphthyridin-5-amine収率 87.3%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒
HCID 6344
Dichloromethane
溶媒

実験手順

To a solution of 1,1-dimethylethyl (3R)-3-[({7-[1-(1,1-dimethylethyl)-1H-pyrazol-4-yl]-1,6-naphthyridin-5-yl}amino)methyl]-3-fluoro-1-piperidinecarboxylate (2.24 g, 4.64 mmol) in DCM (14 ml) was added TFA (8.22 ml, 107 mmol) and this was stirred at ambient temperature for 2 h. After this time the reaction had gone to completion and so was concentrated in vacuo to yield the crude product. This was dissolved in methanol and loaded onto an SCX cartridge (50 g). It was eluted with methanol (3 CVs) and product eluted as the free base with 2M ammonia in methanol. The filtrate from the ammonia fractions was concentrated in vacuo to yield a yellow foam (1.55 g).

後処理

  1. concentrationso was concentrated in vacuo
  2. customto yield the crude product
  3. washIt was eluted with methanol (3 CVs) and product
  4. washeluted as the free base with 2M ammonia in methanol
  5. concentrationThe filtrate from the ammonia fractions was concentrated in vacuo

出典と根拠

ORDレコード
ord-f1fdadb12f8b4ee28d586d238f9d58d3
出典データセット
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08633319B2

反応ノート

読み込み中…

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