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2005
Bridged compounds
Q 0060
Interaction of α,β-Unsaturated Ketones of the Adamantane Series with N,N'-Bi— The reaction of the ketones (I) with hydrazine under acidic conditions
07- 067 nucleophiles.
gives rise to the corresponding pyrazolines (II), while an intermediate hydrazone (III)
is obtained under alkaline conditions. The reaction with phenylhydrazine (IV) leads
only to the hydrazones (V) both under alkaline and acidic conditions. Analogously, the
reaction of the ketones (I) with semicarbazide and thiosemicarbazide gives rise only to
the derivatives (IX), whose heterocyclization fails. — (PIMENOV, A. A.;
MAKAROVA, N. V.; MOISEEV, I. K.; ZEMTSOVA, M. N.; Chem. Heterocycl.
Compd. (N. Y.) 40 (2004) 5, 575-581; Samara State Univ., Samara 443010, Russia;
Eng.) — R. Staver
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