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Chemical Structure| 81465-78-3 Chemical Structure| 81465-78-3

Structure of 81465-78-3

Chemical Structure| 81465-78-3

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Product Details of [ 81465-78-3 ]

CAS No. :81465-78-3
Formula : C13H16N2O
M.W : 216.28
SMILES Code : NC1=NOC(C2=CC=C(C(C)(C)C)C=C2)=C1

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Application In Synthesis of [ 81465-78-3 ]

* 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 [ 81465-78-3 ]

[ 81465-78-3 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 81465-78-3 ]
  • [ 53308-95-5 ]
  • [ 794564-75-3 ]
YieldReaction ConditionsOperation in experiment
Boc-novaline (2.3 MMOL) was dissolved in 20 mL of anhydrous dichloromethane under N2 at rt. Diisopropylethylamine (6.9 MMOL) was added, followed by TBTU (2.8 MMOL). The reaction mixture was stirred for 10 minutes. The ISOXAZOLE R was then added and the reaction was stirred for an additional 16 h. The crude material was diluted with 50 mL of EtOAc and washed with 50 mL portions of water and then aqueous saturated sodium chloride solution. The organics were dried over Na2SO4, filtered and concentrated under reduced pressure. The products were isolated through flash chromatography on silica gel to yield the desired intermeidates (Table 1).
Boc-novaline (11.7 MMOL) was dissolved in 25 mL of DICHLOROMETHANE at r. t. under N2. DIISOPROPYLETHYLAMINE (23.3 MMOL) was added, followed by BOP (17.5 MMOL). The reaction was stirred for 10 minutes at rt. The ISOXAZOLE R (11.7 MMOL) was separately dissolved in 25 mL of DICHLOROMETHANE and then added to the reaction solution. The resultant mixture was stirred at rt for 36-48 hours. The crude material was then diluted in 200 mL EtOAc and washed with two 100 mL portions of water, followed by 100 mL of aqueous saturated sodium chloride solution. The organics were then dried over NA2SO4, filtered and concentrated under reduced pressure. The crude products were purified through flash chromatography on silica gel to isolate the desired materials (Table 2), as well as unreacted starting isoxazoles.
 

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