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A Study Of The Reactions Of P-Dipiperidino Benzene And Its Synthesis From 1,4-Dicyano-1,4-Dipiperidinocyclohexane, Ilias Konstantinos Dorziotis
A Study Of The Reactions Of P-Dipiperidino Benzene And Its Synthesis From 1,4-Dicyano-1,4-Dipiperidinocyclohexane, Ilias Konstantinos Dorziotis
Chemistry & Biochemistry Theses & Dissertations
Following a classical synthesis of PCP2 Williams attempted to prepare l,4-diphenyl-1,4-dipiperidino cyclohexane 41 . This approach involved the preparation of 1,4- dicyano-1,4-dipiperidinocyclohexane 7 and the subsequent decyanation of the compound with phenylmagnesium bromide to produce 4. This attempt failed, however, as only the monophenylated product, 8, was thought to be obtained. This product had unique reactivity, producing a blue intermediate upon treatment with halogen in both aqueous and non aqueous media. The same intermediate was produced upon irradiation of a chloroform solution of this product with sunlight or UV light in a UV chamber, with the …