Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry called Effect of fluorine and trifluoromethyl substitution on the donor properties and stereodynamical behaviour of triarylphosphines, Author is Howell, James A. S.; Fey, Natalie; Lovatt, Jonathan D.; Yates, Paul C.; McArdle, Patrick; Cunningham, Desmond; Sadeh, Einat; Gottlieb, Hugo E.; Goldschmidt, Zeev; Hursthouse, Michael B.; Light, Mark E., which mentions a compound: 175136-62-6, SMILESS is FC(C1=CC(C(F)(F)F)=CC(P(C2=CC(C(F)(F)F)=CC(C(F)(F)F)=C2)C3=CC(C(F)(F)F)=CC(C(F)(F)F)=C3)=C1)(F)F, Molecular C24H9F18P, Recommanded Product: 175136-62-6.
2-, 3- Or 4-trifluoromethyl substituted triarylphosphines and their oxide, chalcogenide and Fe(CO)4 derivatives were prepared and characterized spectroscopically and crystallog. Electronic effects of CF3 substitution are cumulative and felt equally in the 2, 3 or 4 position. Substitution in the 2 position substantially hinders the complexing ability for steric reasons. Correlated P-C rotation in the 2-substituted derivatives was analyzed by variable temperature NMR and mol. mechanics calculations
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