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Synthesis of new azonia‐helicenes with a quaternary nitrogen at the inner helix skeleton
Author(s) -
Arai Sadao,
Ishikura Masanori,
Sato Kiyoshi,
Yamagishi Takamichi
Publication year - 1995
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.5570320370
Subject(s) - chemistry , helicene , nitrogen atom , intramolecular force , acetonitrile , nitrogen , helix (gastropod) , stereochemistry , carbon atom , atom (system on chip) , medicinal chemistry , ring (chemistry) , organic chemistry , molecule , ecology , snail , biology , computer science , embedded system
The 16c‐azonia[6]helicene salts, in which a carbon atom at the inner helix skeleton of [6]helicene is replaced by a quaternary nitrogen atom, have been synthesized by photo‐induced intramolecular quater‐nization of 2‐[2‐(1‐chloronaphthyl)vinyl]benzo[ h ]quinolines in acetonitrile.