17. Indium Triflate - an Efficient Catalyst for Hetero Diels-Alder Reactions
Tetrahedron Letters 1999, 40, 5621-5624
Ali, T.; Chauhan, K. K.; Frost, C. G.
At a loading as low as 0.5 mol% indium triflate has been found to catalyse the hetero Diels-Alder reaction. A three component coupling reaction between aldehydes, amines and Danishefsky's diene to afford tetrahydropyridine derivatives proceeds similarly in high yield.