ChemInform Abstract Hydrolysis of the diesters (VI) (9 examples; obtained from the bromides (I)) and subsequent decarboxylation provide the desired cyclazines (VII). Similarly, the benzocyclazines (X) are synthesized starting from the known salt (VIII).
230ChemInform Abstract Starting with the cyanobenzoindolizine (I), the title compound (IIIc) is prepared by cycloaddition and cleavage. (UV-, 1H-NMR-data).
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