piperidine Chem.
(pɪˈpɛrɪdiːn, formerly pɪˈpɛrɪdaɪn)
[First formed as F. piperidine (A. Cahours 1853, in Ann. de Chim. et de Phys. XXXVIII. 78), f. L. piper pepper + -ide + -ine5.]
‘A volatile base (C5H11N) produced by the action of alkalis on piperine’ (Watts). Formerly also piperidia.
| 1854 Jrnl. Chem. Soc. VI. 175 (heading) On piperidine, a new alkali derived from piperine. 1857 Miller Elem. Chem. III. 286 Piperidine... This is a remarkable oily base, with a pungent odour, recalling both that of ammonia, and that of pepper. 1876 Harley Mat. Med. (ed. 6) 434 Nitric acid decomposes it into piperic acid and piperidia. 1888 I. Remsen Org. Chem. 355 Piperidine. 1938 [see Knoevenagel]. 1964 N. G. Clark Mod. Org. Chem. xxiii. 470 On heating a pyridine solution of the aldehyde with malonic acid in presence of piperidine (catalyst), condensation and decarboxylation occur, and a cinnamic acid is produced (Döbner Reaction). |