Zinc-catalyzed C–H alkenylation of quinoline <i>N</i>-oxides with ynones: a new strategy towards quinoline-enol scaffolds
作者:Yan Hu、Jiang Nan、Xue Gong、Jiawen Zhang、Jiacheng Yin、Yangmin Ma
DOI:10.1039/d1cc00245g
日期:——
A zinc-catalyzed C–H alkenylation of quinoline N-oxides with ynones has been developed to rapidly assemble a broad collection of valuable quinoline-enol organic architectures.
The hydrogen-bond as a configurational lock in the photocyclisation of dibenzoylmethane o-halogenoanils: wavelength dependence of this reaction
作者:James Grimshaw、A. Prasanna de Silva
DOI:10.1039/c39800000301
日期:——
The tautomers (1, XCl, Br, or I) of anils photocyclise to the phenanthridine derivative (2) with varying efficiencies depending on the halogen and the solvent; owing to the low energies of the first excited states the quantum yields vary with irradiation wavelength.