Asymmetric hydrogenation for the synthesis of 2-substituted chiral morpholines.

ABSTRACT: Asymmetric hydrogenation of unsaturated morpholines has been developed by using a bisphosphine-rhodium catalyst bearing a large bite angle. With this approach, a variety of 2-substituted chiral morpholines could be obtained in quantitative yields and with excellent enantioselectivities (up to 99% ee). The hydrogenated products could be transformed into key intermediates for bioactive compounds.

SUBMITTER: Li M 

PROVIDER: S-EPMC8612400 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature