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Chemical Structure| 174636-33-0 Chemical Structure| 174636-33-0

Structure of 174636-33-0

Chemical Structure| 174636-33-0

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Product Details of [ 174636-33-0 ]

CAS No. :174636-33-0
Formula : C25H22N2O2
M.W : 382.45
SMILES Code : O=C(C1=C(O)C(C2=CC=CC=C2)=NC3=CC=CC=C13)N[C@@H](C4=CC=CC=C4)CC

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Application In Synthesis of [ 174636-33-0 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 174636-33-0 ]

[ 174636-33-0 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 485-89-2 ]
  • [ 174636-33-0 ]
  • 2
  • [ 485-89-2 ]
  • [ 2941-20-0 ]
  • [ 2387-23-7 ]
  • [ 174636-33-0 ]
YieldReaction ConditionsOperation in experiment
DESCRIPTION 1(S)-(-)-N-(a-ethylbenzyl)-3-hydroxy-2-phenyl-4-quinoline carboxamide 2.49 g (9.4 mmols) of <strong>[485-89-2]3-hydroxy-2-phenyl-4-quinoline carboxylic acid</strong> (CAS [485-89-2]) were suspended in 150 ml of a mixture of THF/MeCN 7:3, respectively; 1.40 g (10.3 mmols) of 1-hydroxybenzotriazole (HOBT) were added to the suspension and then 1.27 g (9.4 mmols) of (S)-(-)-1-phenylpropylamine, dissolved in 20 ml of methylene chloride were added dropwise over 10 minutes period. The reaction mixture was stirred at room temperature for 30 minutes and then 2.13 g (10.3 mmols) of dicyclohexylcarbodiimide (DCC), dissolved in 20 ml of methylene chloride, were added dropwise and the reaction stirred overnight. 20 ml of H2O were added and the reaction stirred 30 minutes, then the solvent was evaporated in vacuo to dryness. The residue was taken up in EtOAc, the precipitated dicyclohexylurea (DCU) was filtered off and the filtrate washed with water, 20% citric acid, 5% NaHCO3, brine and the organic layer dried over Na2SO4 and the solvent evaporated in vacuo. The residue was purified by silica-gel (60-240 mesh) flash column chromatography, eluting with a mixture of hexane/EtOAc 9:1, containing increasing amounts of EtOAc, until the ratio 7:3. The purified product was crystallized from i-PrOH to yield 1.75 g of the title compound as a white solid. C25H22N2O2 M.P.=168-168.4 C. M.W.=382.47 [a]D20=-28.5 (c=0.5, MeOH) Elemental analysis: Calcd. C, 78.51; H, 5.80; N, 7.33; Found C, 78.49; H, 5.84; N, 7.86. I.R. (Kbr): 3370; 1625; 1525 cm-1. 300 MHz 1H-NMR (DMSO-d6): d: 9.80 (s, 1H); 9.11 (d, 1H); 8.00-7.94 (m, 3H); 7.61-7.42 (m, 8H); 7.38 (dd, 2H);.7.28 (dd, 1H); 5.06 (dt, 1H); 1.82 (ddq, 2H); 0.97 (t, 3H). MS (EI; TSQ 700; source 200 C.; 70 eV; 200 A): 382 (M+.); 264; 247; 219.
 

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