Chemistry Letters p. 2197 - 2200 (1992)
Update date:2022-08-02
Topics:
Ibata, Toshikazu
Fukushima, Kazuaki
The rhodium(II) acetate-catalyzed reaction of α-diazocarbonyl compounds with benzonitrile and dimethyl acetylenedicarboxylate gave oxazoles and pyrrole-3,4-dicarboxylates through the 1,5-cyclization and 1,3-dipolar cycloaddition of the acyl substituted nitrile ylide intermediates generated by the reaction of ketocarbenoids with benzonitrile.
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