Abstract
Reaction between 1,1,1-trifluorobutane-2,4-dione derivatives and electron-deficient ethyl phenylpropyolate in the presence of triphenylphosphine leads to 4-acyl-2-phenyl-3-trifluoromethylcyclobut-2-ene-1-carboxylate derivatives in good yields.
Keywords
References
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