SCHEDULED MAINTENANCE
Copper(i)/TF-BiphamPhos catalyzed asymmetric nitroso Diels–Alder reaction†
Chun-Jiang
Wang 
*ab
*ab
Abstract
A highly efficient enantioselective nitroso Diels–Alder reaction of 6-methyl-2-nitroso pyridine with various 1,3-dienes was successfully developed using a Cu(I)/(S)–TF-BiphamPhos complex as the catalyst. For most of the cyclic dienes, synthetically important heterocyclic 3,6-dihydro-1,2-oxazines were obtained in high yields with excellent regio-, diastereo- and enantioselectivities. Acyclic 2-silyloxy-1,3-diene also worked well in the reaction.
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