Add time:09/28/2019         Source:infona.pl

Benzo[a]quinolizinium (cas 231-02-7) salts have been synthesized through ring‐closing metathesis reactions of 1‐butenyl‐2‐vinylisoquinolinium, 2‐butenyl‐1‐vinylisoquinolinium and 2‐styryl‐1‐vinylpyridinium salts in the presence of Grubbs andHoveyda–Grubbs catalysts. The results show that the lastapproach is the most efficient for the preparation of this heteroaromatic tricyclic system and several previously unknown derivatives have been prepared.

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