Regiospecific C–N Photocyclization
of 2‑Styrylquinolines
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Abstract
Regiospecific
C–N photocyclization of 2-styrylquinolines
resulting in formation of potentially biologically active quino[1,2-<i>a</i>]quinolizinium derivatives was investigated. The
presence of strong electron-donating groups in the phenyl ring reveals
to be a crucial factor managing photocyclization effectiveness. Introduction
of a crown ether moiety allows changing the photoreaction parameters
by means of complexation with Mg(ClO<sub>4</sub>)<sub>2</sub>
