Gold catalyzed [3+2] cycloaddition of N-allenyl amides with azomethine imines

Methylene Azomethine ylide
DOI: 10.1039/c3cc41258j Publication Date: 2013-03-05T12:53:21Z
ABSTRACT
Gold(I) catalyzed [3+2] cycloaddition of azomethine imines with N-allenyl amides was developed to provide two types pyrazolyl based bicyclic heterocycles. Both pyrazolidin-3-one derived and dihydroisoquinoline reacted smoothly give 6-methylene bipyrazolidin-1-ones 1-methylene hexahydropyrazolo[5,1-a] isoquinolines in moderate good yields.
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