The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 10. Synthesis and structure determination of naphtho[1′,2′:4,5]thieno[3,2-a]-4,7-phenanthroline |
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Authors: | M J Musmar Andrew S Zektzer Raymond N Castle N Kent Dalley |
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Abstract: | Naphtho1′,2′:4,5]thieno3,2-a]-4,7-phenanthroline, a novel hexacyclic ring system has been synthesized in four steps. The 1H and 13C nmr assignments have been made using two-dimensional nmr techniques. The tertiary helical structure was determined by X-ray crystallographic analysis. |
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