Summary
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1.
4,4-Bistrifluoromethyl-3-buten-2-one was prepared by the reaction of hexafluoroacetone with acetonyl-idenetriphenylphosphorane.
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2.
1,1-Bistrifluoromethyl-1,3-butadiene was synthesized by the reduction of 4,4-bistrifluoromethyl-3-buten-2-one with subsequent dehydration of the resulting alcohol.
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3.
Ammonia adds to 4,4-bistrifluoromethyl-3-buten-2-one with formation of the α-amino ketone.
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Plakhova, V.F., Gambaryan, N.P. Hexafluoroacetone in the wittig reaction. Russ Chem Bull 11, 630–632 (1962). https://doi.org/10.1007/BF00904765
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DOI: https://doi.org/10.1007/BF00904765