Tetrahedron Letters p. 829 - 832 (1998)
Update date:2022-08-11
Topics:
Yu, Niefang
Bourel, Line
Deprez, Benoit
Gesquiere, Jean-Claude
Cycloaddition of imines with homophthalic anhydride in the presence of BF3 leads to the trans isomers of isoquinolonic acids with a high stereoselectivity and avoids the formation of homophtalic amides. This catalyst extends the scope of the reaction to imines which did not react under previously described conditions.
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