The Synthesis and Diazotization of Some Ketone Hydrazones

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Title: The Synthesis and Diazotization of Some Ketone Hydrazones
Creators: Hawbecker, B. L.; Gladon, R. J.; Hitchcock, R. H.; Nordeen, D. H.; Wyles, L. R.
Issue Date: 1972-09
Citation: The Ohio Journal of Science. v72 n5 (September, 1972), 276-284
Abstract: Hydrazones have been synthesized in this study both from a variety of bicyclic ketones and from ketones containing either the 1-naphthyl or 2-naphthyl group. Three of these hydrazones, those derived from 1-acetonaphthone, 2-acetonaphthone, and benzosuberone, have not been reported previously in the literature. All of the hydrazones were allowed to rearrange in a diazotizing medium to produce amide products. One of these, 4,5-benzoai- heptanolactarn, has never been reported in the literature. From the results of this research, it is possible to reaffirm some general conclusions concerning the utility and scope of the hydrazone diazotization-rearrangement. Among these are the facts that the reaction generally functions well only if at least one aromatic ring is present and that it is stereospecific with migration of the group anti to the NH2 group of the original hydrazone. Thus, the assignment of hydrazone isomer configuration appears to be possible on the basis of the identity of the given amide product. Such assignments have been made for the compounds studied here. Some postulations concerning the steric requirements for hydrazone formation with the aromatic bicyclic ketones have also been made.
Description: Author Institution: Department of Chemistry, Ohio Northern University, Ada, Ohio 45810
ISSN: 0030-0950
Rights: Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given.
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