ASSIGNMENT OF KETOXIME STEREOCHEMISTRY BY AN NMR METHOD
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Publisher:Ohio State University
A rapid NMR technique for assigning ketoxime stereochemistry will be presented. Treating benzene solutions of ketoximes with concentrated hydrochloric acid vapor causes signals due to $\alpha$-protons syn to the oximino hydroxyl group to shift to higher field, while anti-alpha proton signals move to lower field. The involvement of collision complexes between aromatic solvent and oxime hydrochlorides in producing these changes will be discussed.
Author Institution: Department of Chemistry, University of Dayton; Air Force Materials Laboratory, Wright-Patterson, Air Force Base