4-Methylthionaphtheno[2, 3-b]pyridine and 4-methylthionaphtheno[3, 2-b]pyridine, new organic bases with a condensed thiophene ring, are synthesized. The physical constants of these new heterocyclic bases are quite close to those of the isosteric 4-methylnaphthoquinoline bases.
KeywordsOrganic Chemistry Pyridine Thiophene Physical Constant Organic Basis
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