A one-pot catalytic and scalable Knoevenagel/asymmetric epoxidation/domino ring-opening cyclization (DROC) strategy towards medicinally significant dihydroquinoxalinones, featuring 1-phenylsulfonyl-1-cyano epoxides as new masked α-halo acyl halide synthons, is reported. Two out of the three steps are catalysed by highly robust, recyclable and easily available quinine-derived urea
Catalytic Enantioselective Access to Dihydroquinoxalinones via Formal a-Halo Acyl Halide Synthon in One Pot
Chiara Volpe;Sara Meninno;Carlo Crescenzi;Alessandra Lattanzi
2021-01-01
Abstract
A one-pot catalytic and scalable Knoevenagel/asymmetric epoxidation/domino ring-opening cyclization (DROC) strategy towards medicinally significant dihydroquinoxalinones, featuring 1-phenylsulfonyl-1-cyano epoxides as new masked α-halo acyl halide synthons, is reported. Two out of the three steps are catalysed by highly robust, recyclable and easily available quinine-derived ureaFile in questo prodotto:
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