3 years ago

Simple Enantioselective Syntheses of (2R,6R)-Hydroxynorketamine and Related Potential Rapid-Onset Antidepressants

Simple Enantioselective Syntheses of (2R,6R)-Hydroxynorketamine and Related Potential Rapid-Onset Antidepressants
Karla Mahender Reddy, Yixin Han, E. J. Corey
A novel strategy for accessing cyclic α-amino ketones enantioselectively has opened a simple synthetic route to the antidepressant (2R,6R)-hydroxynorketamine and numerous analogues. Mechanistically guided catalyst selection was essential in an initial olefin epoxidation step. In a second crucial step, the epoxide was subjected to a novel O → N displacement that occurred with retention of configuration through the use of Al- or Ti-based azides, which promote epoxide activation and internal cis delivery of N3 to carbon.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b02498

DOI: 10.1021/acs.orglett.7b02498

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