ChemInform Abstract: Synthesis of Some New Thieno(2,3-b)(1,6)naphthyridines and Related Compounds.
Abstract
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ChemInform Abstract
The synthesis of a range of new title thienonaphthyridines (III) (9 examples) by base-induced intramolecular cyclization of S-alkylated naphthyridines (II) and their further transformation into related heterocycles by intermolecular ring closure reactions are given (cf. ( IV), (VI), (VIII)).