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4-Methylmorpholine → (R)-tert-butyl 2-(6-fluoro-3-oxo-1-tosylpyrrolo[4,3,2-de][2,6]naphthyridin-4(1H,3H,5H)-yl)-3-methylbutanoate

HRID 1968258
ノート
印刷プレビュー

反応式

HRID 1968258 の反応式
[C:1]([O:5][C:6](=[O:36])[C@H:7]([NH:11][CH2:12][C:13]1[C:18]([F:19])=[CH:17][N:16]=[C:15]2[N:20]([S:26]([C:29]3[CH:35]=[CH:34][C:32]([CH3:33])=[CH:31][CH:30]=3)(=[O:28])=[O:27])[CH:21]=[C:22]([C:23]([OH:25])=O)[C:14]=12)[CH:8]([CH3:10])[CH3:9])([CH3:4])([CH3:3])[CH3:2].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CN1CCOCC1>>[F:19][C:18]1[C:13]2[CH2:12][N:11]([C@H:7]([CH:8]([CH3:10])[CH3:9])[C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:36])[C:23](=[O:25])[C:22]3=[CH:21][N:20]([S:26]([C:29]4[CH:30]=[CH:31][C:32]([CH3:33])=[CH:34][CH:35]=4)(=[O:28])=[O:27])[C:15]([C:14]=23)=[N:16][CH:17]=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 3

HCID 79724-Methylmorpholine2 回HCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)2 回HCID 58293452(R)-4-((1-tert-butoxy-3-methyl-1-oxobutan-2-ylamino)methyl)-5-fluoro-1-tosyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid

生成物 1

HCID 58293424(R)-tert-butyl 2-(6-fluoro-3-oxo-1-tosylpyrrolo[4,3,2-de][2,6]naphthyridin-4(1H,3H,5H)-yl)-3-methylbutanoate

実験手順

Crude (R)-4-((l-tert-butoxy-3-methyl-1-oxobutan-2-ylamino)methyl)-5-fluoro-1-tosyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid was heated in HATU (2.60 g, 7.19 mmol) and 4-methylmorpholine (1.091 g, 10.79 mmol) at reflux for 3 h. The reaction was incomplete by LC-MS. HATU (1.37 g, mmol, 3.79 mmol) and 4-methylmorpholine (1.091 g, 10.79 mmol) were added and the reaction mixture was stirred at reflux for 16 h. Following reaction, the mixture was washed with aqueous NaHCO3 (sat.) and extracted with DCM. The organics were washed with brine, dried over Na2SO4, and concentrated to a brown oil. Purification by silica column chromatography (EtOAc/DCM, 0-20%) afforded the title compound as a white foam. (0.933 g, 51.7%). 1H NMR (400 MHz, DMSO-d6) δ 0.80 (d, J=6.57 Hz, 3 H) 1.02 (d, J=6.57 Hz, 3 H) 1.39 (s, 9 H) 2.31-2.39 (m, 4 H) 4.77 (d, J=10.61 Hz, 1 H) 5.02 (d, J=7.58 Hz, 2 H) 7.46 (d, J=7.83 Hz, 2 H) 8.08 (d, J=8.34 Hz, 2 H) 8.29 (s, 1 H) 8.44 (d, J=2.78 Hz, 1 H). [M+H] calc'd for C25H28FN3O5S, 502; found, 502.3.

後処理

  1. temperatureat reflux for 16 h
  2. customreaction
  3. washthe mixture was washed with aqueous NaHCO3 (sat.)
  4. extractionextracted with DCM
  5. washThe organics were washed with brine
  6. dry with materialdried over Na2SO4
  7. concentrationconcentrated to a brown oil
  8. customPurification by silica column chromatography (EtOAc/DCM, 0-20%)

出典と根拠

ORDレコード
ord-5dfffc34be014df1b742af04e01f41f1
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08420816B2

反応ノート

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