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2005
Polyphenylalkane derivatives
Q 0720
Reactions of Aniline with Alkali Metal Diphenylketyls and Dianions Derived from
and Michler's Ketone. — A novel efficient procedure for the synthe24- 092 Benzophenone
sis of Schiff bases (III) from alkali metal diarylketyls is described. Only potassium is
suitable for the reaction with benzophenone (Ia), since the use of sodium or lithium
leads to the disproportionation of intermediate diphenylketyls. In the case of Michler's
ketone (Ib), potassium also could be used for the preparation of the Schiff base (IIb),
however, product yields are lower. — (TURAEVA, D. A.; KURBATOV, Y. V.; Russ.
J. Org. Chem. 40 (2004) 12, 1787-1790; Alisher Navoi Samarkand State Univ.,
Samarkand 703004, Uzbekistan; Eng.) — R. Staver
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