Organic Letters p. 4657 - 4661 (2019)
Update date:2022-08-03
Topics:
Mou, Xue-Qing
Rong, Feng-Ming
Zhang, Heng
Chen, Gong
He, Gang
In the present paper, the Cu(I)-catalyzed intramolecular aminotrifluoromethylation of O-homoallyl benzimidates with Togni reagent I was reported. O-Homoallyl benzimidates equipped with terminal alkenes produced chiral 1,3-oxazines with high enantioselectivity in the presence of a chiral BOX ligand, and racemic tetrahydro-1,3-oxazepines were obtained in high yields from internal alkene derivatives with a monoprotected amino acid additive under similar conditions.
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