Tetrahedron Letters p. 407 - 410 (1997)
Update date:2022-08-02
Topics:
Ko, Kwang-Youn
Park, Jong-Yek
Stereochemistry of reduction of the diastereomerically pure N-tosyl 2-benzoyl-1,3-oxazines prepared from D-glucose was investigated with various reducing agents. It was found that the stereachemical outcome is consistent with the Cram's chelation model where the ring oxygen atom is involved in chelation, not the tosyl oxygen as in the 5-membered oxazolidines.
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