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Chemical Structure| 433-27-2 Chemical Structure| 433-27-2

Structure of 433-27-2

Chemical Structure| 433-27-2

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Product Details of [ 433-27-2 ]

CAS No. :433-27-2
Formula : C4H7F3O2
M.W : 144.09
SMILES Code : OC(OCC)C(F)(F)F
MDL No. :MFCD00000441
InChI Key :KLXJPQNHFFMLIG-UHFFFAOYSA-N
Pubchem ID :9897

Safety of [ 433-27-2 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H225-H302-H312-H315-H319-H332-H335
Precautionary Statements:P210-P233-P240-P241-P242-P243-P260-P261-P264-P270-P271-P280-P301+P312-P302+P352-P303+P361+P353-P304-P304+P340-P305+P351+P338-P312-P321-P322-P330-P332+P313-P337+P313-P340-P362-P363-P370+P378-P403-P403+P233-P403+P235-P405-P501
Class:3
UN#:1989
Packing Group:

Application In Synthesis of [ 433-27-2 ]

* 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 [ 433-27-2 ]

[ 433-27-2 ] Synthesis Path-Downstream   1~3

  • 1
  • [ 1055-23-8 ]
  • [ 433-27-2 ]
  • [ 637766-65-5 ]
  • 2
  • [ 91-16-7 ]
  • [ 433-27-2 ]
  • [ 300374-83-8 ]
  • 3
  • [ 57497-39-9 ]
  • [ 433-27-2 ]
  • [ 2344-50-5 ]
YieldReaction ConditionsOperation in experiment
39% General procedure: In a glass pressure tube equipped with a magnetic stirrer N-alkylhydroxylamine hydrochloride (3.0?mmol) was suspended in 15?mL of toluene and triethylamine was added (0.308?g, 3.1?mmol). The reaction mixture was subsequently stirred for about 2?h, and then trifluoroacetaldehyde ethyl hemiacetal (0.562?g, 3.9?mmol) was added dropwise, followed by stirring for about 24?h. The triethylamine hydrochloride residue was filtered off, and para-toluenesulfonic acid monohydrate (17?mg, 0.1?mmol) was added, followed by a distillation in a Dean-Stark apparatus until turbidity disappeared from the distillate. The residual solution was used immediately in the cycloaddition. N-t-Butyl-trifluoromethylnitrone 12 can also be isolated as a pure and relatively stable compound. The toluene from the solution after Dean-Stark distillation was evaporated and the crude product was washed out with hexane leaving insoluble impurities. After evaporation of solvent the product was obtained as pale yellowish waxy solid (0.200 g, 39percent); 1H NMR (300 MHz; CDCl3): delta 7.09 (1H, q, J =6 Hz),1.55 (9H, s); 19F NMR (282 MHz, CDCl3): delta -66.7 (3F, d, J =6 Hz); MS-EI(M+) 169.1 (100percent at 57.0).
 

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