Dihydro 1,4-benzoxazines and method of synthesizing the same using sulfonium salts
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United States of America Patent
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Oct 27, 2015
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Oct 30, 2014
app pub date -
Sep 30, 2013
filing date -
Apr 29, 2013
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Abstract
Exemplary embodiments of the present invention relate to benzoxazines having various N-protecting groups. An R1 functional group is at least one selected from the group consisting of H and a halogen, an R2 functional group is at least one selected from the group consisting of H, an amide, or a carbamate, and a Z functional group is at least one selected from the group consisting of a phenyl, substituted phenyl group, methyl, and t-butyl group. The exemplary embodiments provide compounds with benzoxazines having various cleavable protecting groups such as amides and carbamates.
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