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Chemical Structure| 886500-49-8 Chemical Structure| 886500-49-8

Structure of 886500-49-8

Chemical Structure| 886500-49-8

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Product Details of [ 886500-49-8 ]

CAS No. :886500-49-8
Formula : C9H6ClF3O2
M.W : 238.59
SMILES Code : O=C(Cl)C1=CC=C(C(F)(F)F)C=C1OC
MDL No. :MFCD04115977

Safety of [ 886500-49-8 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H302-H314
Precautionary Statements:P264-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P403+P233-P501
Class:8
UN#:3265
Packing Group:

Application In Synthesis of [ 886500-49-8 ]

* 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 [ 886500-49-8 ]

[ 886500-49-8 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 448-36-2 ]
  • [ 886500-49-8 ]
YieldReaction ConditionsOperation in experiment
With thionyl chloride;N,N-dimethyl-formamide; In toluene; at 80℃; for 3h; Step 1 : 2-(2-Methoxy-4-trifluoromethyl-phenyl)-4,4-dimethyl-4,5-dihvdro-oxazoleTo a solution of 24.98 g (113 mmol) 4-(trifluoromethyl)-2-methoxy-benzoic acid in 220 ml toluene were added 82 ml (1.13 mol) thionyl chloride and 5 drops dimethylformamide. The mixture was heated to 800C for 3h. Then the reaction mixture was concentrated at 50 C/10 mbar. The remaining acid chloride, 27.9 g of a light yellow liquid, was dissolved in 160 mldichloromethane, cooled to 0 0C and a solution of 20.34 g (228 mmol) 2-amino-2-methyl- propan-1-ol in 60 ml dichloromethane added. The mixture was allowed to stir at ambient temperature for 16 h. The off-white suspension was diluted with water, the aqueous phase evaporated and the organic phase extracted 3 times with ethyl acetate. The combined organic layers were dried over Na2SO4, filtered and concentrated. The crude product, 33.2g N-(I- hydroxy-l,l-dimethyl-ethyl)-2-methoxy-4-trifluoro-methyl-benzamide, a light yellow oil was dissolved in 220 ml dichloromethane and cooled to 0 0C. Then 24.7 ml (340 mmol) thionyl chloride was added drop-wise and the resulting light yellow solution stirred at ambient temperature for 16 h. Then the pH was adjusted to 10 by addition of saturated aqueous Na2CO3 solution. The aqueous layer was separated and extracted 3 times with tert-butyl methyl ether. The combined organic phases were washed twice with brine, dried over Na2SO4, filtered and concentrated. 2-(2-Methoxy-4-trifluoromethyl-phenyl)-4,4-dimethyl-4,5-dihydro-oxazole was obtained as light yellow oil which was used without further purification: MS (ISP): 274.1((M+H)+).
 

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