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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
39038-72-7

β,β-difluoro-α-methyl-Benzeneethanamine synthesis

1synthesis methods
2H-Azirine,2-methyl-3-phenyl-

16205-14-4
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2,5-Diphenyl-3,6-dimethylpyrazine

54600-85-0
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21120-36-5 Synthesis
2'-FLUOROPROPIOPHENONE

21120-36-5
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β,β-difluoro-α-methyl-Benzeneethanamine

39038-72-7
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Yield:39038-72-7 74% ，54600-85-0 6%

Reaction Conditions:

with pyridine;hydrogen fluoride in benzene at 20; for 1 h;other solvents, other azirines, solvent effect;

References:

Alvernhe, Gerard;Lacombe, Sylvie;Laurent, Andre [Tetrahedron Letters,1980,vol. 21,p. 1437 - 1440]