Reactions of 6-(Dimethylamino)fulvene with Diazoazoles and Arene- and Azolediazonium Saltsстатья
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Дата последнего поиска статьи во внешних источниках: 11 января 2018 г.
Аннотация:6-(Dimethylamino)fulvene reacted with 3- and 4-substituted 5-diazoazoles, as well as with
4-substituted benzene- and pyrazole-5-diazonium salts, in an aprotic solvent with high regioselectivity at
an extremely high rate to give acyclic coupling products at the α-carbon atom of the cyclopenta-1,3-diene
fragment. The nature of the diazo component did not affect the reaction direction, rate, or yield. Hydrolysis of
the azo compounds obtained from arenediazonium salts involved elimination of the dimethylamino group with
formation of aldehydes, and their reaction with pyrrolidine resulted in replacement of the dimethylamino group
by pyrrolidine ring.