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Dibenzo quinolizinium chloride

The enamine (223) obtained by reacting 2-chlorobenzonitrile with 2-lithiomethylquinoline (222) is converted into the dibenzo[c/]quinolizinium chloride (224) on heating at 235° (79JHC753), Scheme 51. This two-step process, and related photocyclizations of the azastilbenes (225) obtained by condensation of the appropriate a-methylazines with o-chlorobenzaldehyde (66JOC3683 70JHC1421 91CL1355), could have some potential for development as one-pot procedures. [Pg.213]

A soln. of 6,7-dimethoxy-l-(2-chloro-5-nitro)styrylisoquinoline in thiophene-free benzene UV-irradiated 39 hrs. with a 450 w. lamp 9,10-dimethoxy-2-nitro-dibenzo[a,f]quinolizinium chloride. Y 85%. F. e. s. L. Amoros-Marin and C. K. Bradsher, J. Heterocyclic Chem. 7, 1421 (1970). [Pg.434]

See other pages where Dibenzo quinolizinium chloride is mentioned: [Pg.601]    [Pg.554]    [Pg.601]    [Pg.554]    [Pg.601]    [Pg.601]    [Pg.442]   
See also in sourсe #XX -- [ Pg.68 , Pg.213 ]

See also in sourсe #XX -- [ Pg.68 , Pg.213 ]



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