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Chem Sci. 2017 Oct 01;8(10):7031-7037. doi: 10.1039/c7sc03189k. Epub 2017 Aug 30.

Programmed serial stereochemical relay and its application in the synthesis of morphinans.

Chemical science

Kun Ho Kenny Park, Rui Chen, David Y-K Chen

Affiliations

  1. Department of Chemistry , Seoul National University , Gwanak-1 Gwanak-ro, Gwanak-gu , Seoul 151-742 , South Korea . Email: [email protected].

PMID: 29147530 PMCID: PMC5642196 DOI: 10.1039/c7sc03189k

Abstract

Herein we report a rationally designed, serial point-to-axial and axial-to-point stereoinduction and its integration into multi-step and target-oriented organic synthesis. In this proof-of-concept study, the configurational stability of several carefully designed atropisomeric intermediates and the fidelity of their unconventional stereoinductions were systematically investigated. The highly functionalized prepared synthetic intermediate was further applied in a novel chemical method to access the morphinans and it is potentially applicable to other structurally related alkaloids.

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