Answer:
2,4,6-Trimethylpyridine was isolated from Dippel's oil in 1854. A synthesis can be carried out analogously to Hantzsch's dihydropyridine synthesis from ethyl acetoacetate (as β-keto carbonyl compound), acetaldehyde, and ammonia in the ratio of 2: 1: 1.
Solubility in water: 35 g·l−1 (20 °C)
Vapor pressure: 4 hPa (20 °C)
Chemical formula: C8H11N
Appearance: colorless liquid with pyridine-like
Explanation: