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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 473325
ノート
印刷プレビュー

反応式

HRID 473325 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].FC(F)(F)C(O)=O>C(Cl)Cl>[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 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 93.1%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

反応条件

温度
20 °C

実験手順

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 (1.586 g, 3.29 mmol) was dissolved in DCM (5 ml) and trifluoroacetic acid (5.06 ml, 65.7 mmol) was added. The reaction was stirred for 20 min at 20° C. LCMS showed main peak of product. The reaction mixture was loaded onto a 20 g SCX cartridge and washed with methanol. The compound was eluted with 2M methanolic ammonia. The solvent from the ammonia fractions was evaporated and was kept under high vacuum for 2 h to give a yellow crystalline solid (1.171 g). The free base (1.12 g) was purified by High pH preparative MDAP (Method B). The appropriate fractions were combined, concentrated in vacuo and kept on high vacuum overnight to give the title compound as a yellow crystalline solid (688.1 mg).

後処理

  1. washwashed with methanol
  2. washThe compound was eluted with 2M methanolic ammonia
  3. customThe solvent from the ammonia fractions was evaporated
  4. waitwas kept under high vacuum for 2 h

出典と根拠

ORDレコード
ord-7aadbfa6c0d14ad1805a1529f4ac0fac
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…

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