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5,6-Dihydro-4H-1,3,4-oxadiazines. II. Structural Requirements for Effective Hydrazido-Hydroxyl Interaction 1

✍ Scribed by Trepanier, D. L.; Sprancmanis, V.

Book ID: 120519204
Publisher: American Chemical Society
Year: 1964
Tongue: English
Weight: 660 KB
Volume: 29
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo01026a036

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## Abstract magnified image A series of chiral, nonracemic oxadiazines have been prepared from (1__R__,2__S__)‐ephedrine, (1__R__,2__S__)‐norephedrine, and L‐phenylalaninol. The synthesis of the __Ephedra__‐based oxadiazines was accomplished by a process of __N__‐nitrosation, reduction, acylation,