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Chemical Structure| 4039-83-2 Chemical Structure| 4039-83-2

Structure of 4039-83-2

Chemical Structure| 4039-83-2

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Product Details of [ 4039-83-2 ]

CAS No. :4039-83-2
Formula : C11H12O2
M.W : 176.21
SMILES Code : C#CCOCC1=CC=C(OC)C=C1

Safety of [ 4039-83-2 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Application In Synthesis of [ 4039-83-2 ]

* 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 [ 4039-83-2 ]

[ 4039-83-2 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 67442-07-3 ]
  • [ 4039-83-2 ]
  • [ 1160482-43-8 ]
  • 2
  • [ 6214-35-3 ]
  • [ 4039-83-2 ]
  • [ 1188414-02-9 ]
YieldReaction ConditionsOperation in experiment
70% With copper(l) iodide; palladium 10% on activated carbon; triethylamine; triphenylphosphine; In 1,4-dioxane; at 25 - 80℃; for 3.5h;Inert atmosphere; General procedure: (a) The reaction was performed in a bigger scale using 100 mg of 10% Pd/C (0.092 mmol), PPh3 (0.37 mmol), CuI (0.184 mmol), Et3N (10.68 mmol), compound 1a (3.56 mmol), and acetylenic compound 2a (5.32 mmol) in 1,4-dioxane (20.0 mL). After stirring at 80 C for 3 h under nitrogen the mixture was cooled to room temperature. The Pd/C was filtered off and washed with water (2 10 mL), acetone (2 10 mL), and EtOAc (2 10 mL). Then the catalyst was collected, dried at 100 C in an oven, and reused for the next run. The co-catalyst CuI along with PPh3 was added in every repeated run. (b) General method for the preparation of 3: A mixture of compound 1 (0.89 mmol), 10% Pd/C (0.023 mmol), PPh3 (0.092 mmol), CuI (0.046 mmol), and Et3N (2.67 mmol) in 1,4-dioxane (5.0 mL) was stirred at 25 C for 30 min under nitrogen. The acetylenic compound 2 (1.33 mmol) was added slowly with stirring. The mixture was then stirred at 80 C for 3 h, cooled to room temperature, diluted with EtOAc (30 mL), and filtered through celite. The filtrate was collected and concentrated. The residue was purified by column chromatography (2-15% EtOAc/hexane) to afford the desired product
 

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