† piperidian.
Pharmacology. Obsolete.
= piperidine n.
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the world > matter > chemistry > organic chemistry > organic compounds > [noun] > heterocyclic compounds > other heterocyclic compounds
alloxan1839
piperidine1854
valerin1866
acridine1870
piperidia1871
kairoline1883
quinoxaline1884
pyrimidine1885
pyrazolone1887
quinazoline1887
pyrazine1888
acridone1892
phthalazine1893
pyridazine1894
nitron1906
pyrrolizidine1939
1871 J. Attfield Chem. (rev. ed.) 329 With acids it forms salts, and distilled with strong alkali yields piperidia or piperidine, an alkaloid of strong chemical properties.
1876 J. Harley Royle's Man. Materia Med. (ed. 6) 434 Nitric acid decomposes it..into piperic acid..and piperidia.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online June 2018).
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