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2005
Ring closure reactions
O 0130
The Use of 4-(Bromomethylene)-5,5-dimethyl-1,3-dioxolan-2-one as "Masked"
Ketone in the Synthesis of Heterocyclic Systems. — The
23- 043 α-Bromo-α'-hydroxy
title dioxolanone (III) and its readily obtainable precursor (II) appear to be convenient
synthons for the synthesis of fused heterocyclic compounds of potential pharmacological interest such as imidazopyridine (V), oxazoloisoquinoline (IX) and oxazolopyridopyrazine (VII). The latter one is the first representative of a novel heterocyclic system. — (BOGOLYUBOV, A. A.; CHERNYSHEVA, N. B.; SEMENOV, V. V.;
Chem. Heterocycl. Compd. (N. Y.) 40 (2004) 9, 1124-1130; Zelinsky Inst. Org.
Chem., Russ. Acad. Sci., Moscow 117913, Russia; Eng.) — R. Langenstrassen
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