Kenner

We are grateful to our colleagues for many valuable discussions and suggestions in particular we would mention Dr. F. B. Kipping, Dr. P. Maitland, Dr. G. W. Kenner and Mr. J. Harley-Mason. 

Thallium(III) acetate reacts with alkenes to give 1,2-diol derivatives (see p. 128) while thallium(III) nitrate leads mostly to rearranged carbonyl compounds via organothallium compounds (E.C. Taylor, 1970, 1976 R.J. Ouelette, 1973 W. Rotermund, 1975 R. Criegee, 1979). Very useful reactions in complex syntheses have been those with olefins and ketones (see p. 136) containing conjugated aromatic substituents, e.g. porphyrins (G. W. Kenner, 1973 K.M. Smith, 1975). 

Ketones are rearranged oxidatively by reaction of the corresponding enols with thallium(III), e.g. to yield pyrroleacetic acids from acetyl pyrroles (G.W. Kenner, 1973 B W. Rotermund, 1975). 

R] Kenner, G. W. Todd, A. Pyrimidine and Its Derivatives. Heterocyclic Compounds John Wiley Sons New York, 1957. 

Kenner, m, connoisseur, expert, professional, Kenn-grdsse,/. characteristic quantity, -linie, /. characteristic line, characteristic, graph, curve. -Unienknick, m. break or knee in a characteristic or graph, -marke,/. identification mark, -merkmal, n. characteristic criterion, -nummer, /. identification number. 

Sach-index, m. subject index, -kenner, m. expert, -kenntnis, -kimde, /. expert or special knowledge experience, sachfcundig, a. experienced, expert. Sachkundiger, m. expert, specialist. 

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