Technical Notes：
1.Used in triazolium-catalyzed carbocyclization of carbohydrate - derived dialdehydes to produce allo- and epi-inositol.
2.Triazolium catalyst for enantioselective Darzens reactions.
3.Catalyst for L ewis acid assisted reaction of 2-aroylvinylcinnamaldehydes to produce indeno-1 ,2-cfuran-1- one derivatives.
4.Catalyst for asymmetric desymmetrization of 1 ,3-Diketones via Intramolecular benzoin reaction.
5.Catalyst for asymmetric synthesis of spirobenzazepinones with atroposelectivity and spiro-1,2-diazepinones by 3+4 annulation reactions.
6.Catalysis for a highly enantioselective 4+2 annulation.
Strem
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