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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
Author(s) -
Musmar M. J.,
Zektzer Andrew S.,
Castle Raymond N.,
Kent Dalley N.
Publication year - 1993
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570300235
Subject(s) - chemistry , ring (chemistry) , stereochemistry , polycyclic compound , molecule , organic chemistry
Naphtho[1′,2′:4,5]thieno[3,2‐ a ]‐4,7‐phenanthroline, a novel hexacyclic ring system has been synthesized in four steps. The 1 H and 13 C nmr assignments have been made using two‐dimensional nmr techniques. The tertiary helical structure was determined by X‐ray crystallographic analysis.