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Reactions of alpha -aminonitriles. V. Adduct formation and dimerization of alpha -piperidinoacetonitrile in reaction with butylmagnesium chloride

Thies, Heinrich ; Schönenberger, Helmut ; Qasba, P. K.


alpha -Piperidinoacetonitrile (I) was treated with BuMgCl in the ratio 2:1-1:2 and allowed to react for 20 min. or 2 hrs. to give 28-43% 3-amino-2,4-dipiperidinocrotononitrile (II). The yield of II was affected more by the ratio of the reagents than by the reaction time. The other product was 1-piperidino-2-hexanone (III), b15 120 Deg. The formation of II proceeds by addn. of BuMgCl to I, addn. ...


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