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Chemical Structure| 25753-16-6 Chemical Structure| 25753-16-6

Structure of 25753-16-6

Chemical Structure| 25753-16-6

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Product Details of [ 25753-16-6 ]

CAS No. :25753-16-6
Formula : C16H8F6O3
M.W : 362.22
SMILES Code : O=C(OC(C1=CC=C(C(F)(F)F)C=C1)=O)C2=CC=C(C(F)(F)F)C=C2
MDL No. :MFCD00671577
InChI Key :FNAWJOBKLWLHTA-UHFFFAOYSA-N
Pubchem ID :2760733

Safety of [ 25753-16-6 ]

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

Application In Synthesis of [ 25753-16-6 ]

* 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 [ 25753-16-6 ]

[ 25753-16-6 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 99-14-9 ]
  • [ 25753-16-6 ]
  • 5-methoxy-5-oxo-3-[4-(trifluoromethyl)benzoyl]pentanoic acid [ No CAS ]
  • 5-methoxy-5-oxo-3-[4-(trifluoromethyl)benzoyl]pentanoic acid [ No CAS ]
  • 2
  • [ 99-14-9 ]
  • [ 25753-16-6 ]
  • 6a-(4-(trifluoromethyl)phenyl)dihydrofuro[2,3-b]furan-2,5(3H,6aH)-dione [ No CAS ]
YieldReaction ConditionsOperation in experiment
59% With pyridine; In m-xylene; at 140℃; General procedure: Into a one-necked 25 mL flask, tricarballylic acid (518 mg, 2.95 mmol, 1.0 equiv) and the appropriate anhydride (8.83 mmol, 3 equiv) were suspended in m-xylene (5 mL, 0.6 M). Pyridine was added (47 muL, 0.59 mmol, 0.2 equiv) in one portion, then the mixture was heated to 140 C and stirred until the completion of the reaction was indicated by GC-MS (5-21 h). After cooling to r.t., CH2Cl2 (100 mL) was added and the mixture was passed through a short pad of Celite to remove insoluble side-products. The solution was washed with saturated Na2CO3 solution (2 10 mL) then with brine (10 mL). The organic phase was dried over Na2SO4, filtered, and evaporated to dryness. Purification by flash chromatography (hexanes/EtOAc) afforded the pure Fittig lactone.
 

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