Synthesis of heteroarylidene malonate derived bis(thiazolines) and their application in the catalyzed Friedel–Crafts reaction

Add time:07/19/2019    Source:sciencedirect.com

A series of novel heteroarylidene malonate derived bis(thiazoline) ligands 1 and 2 were synthesized and applied to a Friedel–Crafts reaction between indole and alkylidene malonate. The Cu(OTf)2 complex of ligand 2b bearing a benzyl group afforded moderate to excellent enantioselectivity for the adducts (up to >99% ee).

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