9718. 2,4,6-Trimethylpyridine
Nomenclature
CAS number: 108-75-8
γ-Collidine; sym-collidine; 2,4,6-collidine; α,γ,α′-collidine. C8H11N; mol wt 121.18.
C 79.29%, H 9.15%, N 11.56%.
Description and references
Found in small amts in coal tar, in shale oil. Produced commercially from coal tar to some extent; also produced by the Hantzsch pyridine synthesis: Hantzsch, Ann. 215, 1 (1882); Mosher in Heterocyclic Compounds vol. 1, R. C. Elderfield, Ed., (John Wiley, New York, 1950) pp 462-472; from acetone and ammonia: Mosher in Kirk-Othmer Encyclopedia of Chemical Technology vol. 11 (New York, 1953) p 287, cf. Dürkopf, Ber. 21, 2713 (1888); from paraldehyde, acetone, ammonium acetate, and ammonia water: DE 349267; Frdl. 14, 539; from 3,5-dimethyl-2-cyclohexen-1-one, ammonium acetate, and ammonia water: Frank, Meikle, J. Am. Chem. Soc. 72, 4184 (1950).
