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Trifluoroacetic acid → N-((6-amino-2,4-dimethylpyridin-3-yl)methyl)-1-(4-((2,5-dioxopyrrolidin-1-yl)methyl)benzyl)-1H-pyrazole-4-carboxamide

HRID 928397
ノート
印刷プレビュー

反応式

HRID 928397 の反応式
C(OC(=O)[NH:7][C:8]1[CH:13]=[C:12]([CH3:14])[C:11]([CH2:15][NH:16][C:17]([C:19]2[CH:20]=[N:21][N:22]([CH2:24][C:25]3[CH:30]=[CH:29][C:28]([CH2:31][N:32]4[C:36](=[O:37])[CH2:35][CH2:34][C:33]4=[O:38])=[CH:27][CH:26]=3)[CH:23]=2)=[O:18])=[C:10]([CH3:39])[N:9]=1)(C)(C)C.C(O)(C(F)(F)F)=O>C(Cl)Cl>[NH2:7][C:8]1[N:9]=[C:10]([CH3:39])[C:11]([CH2:15][NH:16][C:17]([C:19]2[CH:20]=[N:21][N:22]([CH2:24][C:25]3[CH:30]=[CH:29][C:28]([CH2:31][N:32]4[C:33](=[O:38])[CH2:34][CH2:35][C:36]4=[O:37])=[CH:27][CH:26]=3)[CH:23]=2)=[O:18])=[C:12]([CH3:14])[CH:13]=1
参加物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 58081290{5-[({1-[4-(2,5-Dioxo-pyrrolidin-1-ylmethyl)-benzyl]-1H-pyrazole-4-carbonyl}-amino)-methyl]-4,6-dimethyl-pyridin-2-yl]-carbamic acid tert-butyl ester

生成物 1

HCID 58081267N-((6-amino-2,4-dimethylpyridin-3-yl)methyl)-1-(4-((2,5-dioxopyrrolidin-1-yl)methyl)benzyl)-1H-pyrazole-4-carboxamide

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

A mixture of {5-[({1-[4-(2,5-Dioxo-pyrrolidin-1-ylmethyl)-benzyl]-1H-pyrazole-4-carbonyl}-amino)-methyl]-4,6-dimethyl-pyridin-2-yl]-carbamic acid tert-butyl ester (48 mg, 0.08 mmol), 1 mL TFA and 2 mL DCM was stirred of room temperature for 2 h. The mixture was evaporated in vacuo and the residue was purified by preparative HPLC (Macherey-Nagel Nucleosil 250×40 mm, 5 to 100% ACN and 0.1% TFA, flow 40ml/min). The product containing fractions were lyophilised, then dissolved in 1 mL MeOH and the resulting mixture was filtered over a MeOH flushed PL-HCO3 MP-resin column. The column was washed with MeOH, the solvent was removed and the product was dissolved in water/ACN and lyophilised to yield the title compound. 1H-NMR (DMSO-d6, 400 MHz) 88.25 (s, 1H), 7.91 (t, 1H), 7.87 (s, 1H), 7.24 (d, 2H), 7.20 (d, 2H), 6.13 (s, 1H), 5.70 (bs, 2H), 5.28 (s, 2H), 4.52 (d, 2H), 2.67 (s, 4H), 2.29 (s, 3H), 2.15 (s, 3H); LCMS (method A) RtA=0.439 min; [M+H]+=447.1.

後処理

  1. customThe mixture was evaporated in vacuo
  2. customthe residue was purified by preparative HPLC (Macherey-Nagel Nucleosil 250×40 mm, 5 to 100% ACN and 0.1% TFA, flow 40ml/min)
  3. additionThe product containing fractions
  4. dissolutiondissolved in 1 mL MeOH
  5. filtrationthe resulting mixture was filtered over a MeOH flushed PL-HCO3 MP-resin column
  6. washThe column was washed with MeOH
  7. customthe solvent was removed
  8. dissolutionthe product was dissolved in water/ACN

出典と根拠

ORDレコード
ord-f30ff74d3d05462893dda87355a9ae29
出典データセット
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09290485B2

反応ノート

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