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Chemical Structure| 54681-67-3 Chemical Structure| 54681-67-3

Structure of 54681-67-3

Chemical Structure| 54681-67-3

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Product Details of [ 54681-67-3 ]

CAS No. :54681-67-3
Formula : C7H11NO5
M.W : 189.17
SMILES Code : O=C(O)C(NC(C)=O)C(OCC)=O
MDL No. :MFCD00089333

Safety of [ 54681-67-3 ]

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

Application In Synthesis of [ 54681-67-3 ]

* 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 [ 54681-67-3 ]

[ 54681-67-3 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 54681-67-3 ]
  • [ 4771-49-7 ]
  • [ 71359-92-7 ]
YieldReaction ConditionsOperation in experiment
159.5 g (89%) With pyridine; acetic anhydride; EXAMPLE 31 Alpha-acetamido-6-methylindole-3-acrylic acid ethylester A 3-l. three-necked flask, equipped with a mechanical stirrer, a thermometer and a dropping funnel with pressure-equalizing arm was charged with 100 g (0.63 mol) of <strong>[4771-49-7]6-methylindole-3-carboxaldehyde</strong>, 119 g (0.63 mol) of acetamidomalonic acid monoethylester and 500 ml of pyridine. The mixture was stirred and kept at 15° with a cold water bath while 175 ml of acetic anhydride was added over 15 minutes. The yellow solution was stirred at room temperature for 3 hours. Then an additional portion of 36 g (0.19 mol) of acetamidomalonic acid monoethyl ester was added and stirring at room temperature was continued for 22 hours before 1 kg of ice was added. The temperature fell to -10° and the product began to precipitate. The suspension was stirred at room temperature for 5 hours and poured into 2 1 of water. After 20 minutes, the precipitate was collected by suction filtration, washed with water and dried at 50° in an air oven overnight to afford 159.5 g (89percent) of crude product as yellow crystals, m.p. 159°-162° (sinters at 75°).
 

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