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Chemical Structure| 169205-93-0 Chemical Structure| 169205-93-0

Structure of 169205-93-0

Chemical Structure| 169205-93-0

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Product Details of [ 169205-93-0 ]

CAS No. :169205-93-0
Formula : C10H14N2O2
M.W : 194.23
SMILES Code : CC(C)(C)C(NC1=C(O)C=NC=C1)=O
MDL No. :MFCD07776841

Safety of [ 169205-93-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 169205-93-0 ]

* 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 [ 169205-93-0 ]

[ 169205-93-0 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 70298-89-4 ]
  • [ 169205-93-0 ]
YieldReaction ConditionsOperation in experiment
67% b) Synthesis of N-(3-hydroxy-4-pyridinyl)-2,2-dimethyl-propionamide 2,2-dimethyl-N-pyridin-4-yl-propionamide (1.6 g, 8.977 mol) was dissolved in anhydrous tetrahydrofuran (20 ml) under nitrogen atmosphere and then cooled to -780, and then 2.5M solution of n-butyl lithium (n-BuLi) in n-hexane (9 ml, 22.443 mmol) was added thereto dropwise and then stirred at 0.box. for 2.5 hours until yellow crystals were formed. After cooling the reaction mixture to -78.box., trimethylboron (2.5 ml, 22.443 mmol) was added thereto dropwise for 10 minutes, and the temperature was raised slowly up to .box.0. After stirring for 2 hours, acetic acid (1.9 ml) and 30percent w/w aqueous solution of hydrogen peroxide were added dropwise to the reaction solution at 0.box., and then after stirring for 30 minutes, water (1 ml) was added thereto dropwise and then stirred at room temperature for 18 hours. Water was added and the mixture was evaporated under reduced pressure, and the residue was extracted by using water and 10percent isopropanol/chloroform. The combined organic layer was treated with active carbon and the filtrate was washed with saturated saline solution, dried over anhydrous sodium sulfate (Na2SO4), filtered and evaporated under reduced pressure. The residue was purified by column chromatography on silica eluding with a solvent of dichloromethane:methanol=20:1. The fractions containing the product were collected and evaporated to obtain white solid (1.16 g, 67percent). 1H-NMR (CDCl3, 300 MHz); delta=8.83 (s, 1H), 8.39 (d, J=6.0 Hz, 1H), 7.83 (s, 1H), 7.80 (d, J=6.0 Hz, 1H), 5.30 (br s, 1H), 1.35 (s, 9H).
 

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