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Carbazole aminals lithiation

Imidazolidines may also act as ortho directing groups the lithiadon of l,3-dimethyl-2-phenylimidazo-lidine followed by addition to benzophenone proceeds in 63% yield. Carbazole aminals can be metal-ated ortho to the nitrogen, while benzo[a]carbazole may be dili iated at nitrogen and the 1-position. A 2-amino group of a biphenyl directs lithiation to the 2 -position of the other ring in a novel synthesis of a phenanthride. ... [Pg.463]


See other pages where Carbazole aminals lithiation is mentioned: [Pg.183]    [Pg.183]    [Pg.93]    [Pg.221]    [Pg.116]    [Pg.149]   


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