Cobalt forms colored complexes with pyridire,,β-picoline and γ-picoline in aqueous solutions.

在水溶液中鈷和吡啶，3-甲基吡啶国产自啪女女，4-甲基吡啶形成紅色的1：1絡(luò)離子。

Ethyl-4-phenyl-5-(2-pyridyl)-1,2,4-triazole was synthesized by several-step reactions fromα-picoline, and was confirmed by IR、1H-NMR and MS spectra. Part II.

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In an electrolytic cell with proton exchange membrane as the diaphragm, it was found from the electrooxidation of 3-picoline at a PbO2 electrode in acetone/water mixed solvents that the current density at the same anode potential not only increases remarkably, but also the selectivity and the current efficiency of electrooxidation from 3\|picoline to nicotinic acid increase obviously compared with the pure water as the solvent.

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NMR and ESI-MS techniques were used to study the interactions between diperoxovanadates and small organic molecules such as pyridine, imidazole, arginine, picoline ester, and picoline amide. Spectroscopic methods were established to explore this type of interactions.

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Picoline was treated with hydrogen peroxide to form intermediate N-oxide-3- methylpyridine then chloridized with benzoyl chloride to form 2-chloro-5-methylpyridine.

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picoline：甲基吡啶

picofarad 微微法 | picoline 甲基吡啶 | picosecond 微微秒

picoline：皮考啉

picking 紙張拔毛印刷故障 | picoline 皮考啉 | picolinicacid 皮考啉酸

picoline：甲基吡啶 皮考啉

picolinamide 吡啶酰胺 | picoline 甲基吡啶 皮考啉 | picolinicacid 甲基吡啶酸

picoline benzyl ammonium chloride：甲基吡啶芐基氯化銨

甲基吡咯烷酮羧酸十二烷酯 lauryl methyl PCA | 甲基吡啶芐基氯化銨 picoline benzyl ammonium chloride | 加防腐劑的聚硅氧烷消泡劑乳液 silicone defoamer emulsion with preservatives