Direct Access to 2,3,4,6-Tetrasubstituted Tetrahydro-2H-pyrans via Tandem SN2′–Prins Cyclization
A new, direct, and diastereoselective synthesis of activated 2,3,4,6-tetrasubstituted tetrahydro-2H-pyrans is described. In this reaction, iron(III) catalyzed an SN2′–Prins cyclization tandem process leading to the creation of three new stereocenters in one single step. These activated tetrahydro-2H-pyran units are easily derivatizable through CuAAC conjugations in order to generate multifunctionalized complex molecules. DFT calculations support the in situ SN2′ reaction as a preliminary step in the Prins cyclization.
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| Main Authors: | , , , , , , , , |
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| Other Authors: | |
| Format: | artículo biblioteca |
| Published: |
American Chemical Society
2017-08-31
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| Online Access: | http://hdl.handle.net/10261/184912 http://dx.doi.org/10.13039/501100007757 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100003329 |
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