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Chemical Structure| 305334-58-1 Chemical Structure| 305334-58-1

Structure of 305334-58-1

Chemical Structure| 305334-58-1

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Product Details of [ 305334-58-1 ]

CAS No. :305334-58-1
Formula : C15H12ClN3
M.W : 269.73
SMILES Code : N#CC1=C(C)C(CC)=C(Cl)N2C1=NC3=CC=CC=C32

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Application In Synthesis of [ 305334-58-1 ]

* 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 [ 305334-58-1 ]

[ 305334-58-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 305334-58-1 ]
  • [ 79286-79-6 ]
  • 1-[(3S)-aminopyrrolidin-1-yl]-2-ethyl-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile [ No CAS ]
YieldReaction ConditionsOperation in experiment
54% With triethylamine; In DMF (N,N-dimethyl-formamide); at 80℃; for 17h; To N,N-dimethylformamide (15 ml) suspension of 500 mg (1.85 mmol) of 1-chloro-2-ethyl-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile (No.I-2) were added 239 mg (2.78 mmol) of (3S)-aminopyrrolidine and 774 mul (5.55 mmol) of triethylamine. The system was replaced with nitrogen and sealed up, and heated at 80C for 17 hours. After cooling, the solvent was evaporated under reduced pressure, the residue was dissolved in 30 ml of chloroform, and the solution was washed with 20 ml of saturated sodium bicarbonate solution. The aqueous layer was extracted with chloroform (30 ml × 3), and the combined chloroform layer was dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was applied to a silica gel column chromatography. This was eluted with a mixed solvent of di chloromethane/methanol (10/1, v/v) to obtain a crude product of the entitled compound. This was recrystallized from ethanol to obtain 316 mg (54 %) of the entitled compound (No.96) as a yellow crystal. MS(EI)m/z:320(M+).1H-NMR(400MHz, CDCl3)delta: 1.30(3H, t, J=7.57Hz), 1.94-2.08(1H, m), 2.36-2.52(1H, m), 2.60-2.96(2H, m), 2.71(3H, s), 3.00-3.88(4H, m), 4.00-4.11(1H, m), 7.29-7.39(1H, m), 7.48-7.58(1H, m), 7.90-8.05(1H, m), 7.99(1H, d, J=8.30Hz). IR(ATR): 2220, 1628, 1593, 1498, 1479, 1442, 1408, 1306 cm-1.
 

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