Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 108-99-6, name is 3-Methylpyridine. This compound has unique chemical properties. The synthetic route is as follows. 108-99-6
Example 5 The preparation of the catalyst of the present invention and the process for preparing nicotinic acid by using the catalyst 6.43 g of ammonium meta-vanadate were added into 500 ml water and the solution was heated at 70C to dissolve ammonium meta-vanadate. Then, 13.54 g of ferric nitrate were added into the solution and stirred for 30 minutes. Into the resultant solution were added 92.31 g titanium oxide (Hembitec K-03) and stirred for 1 hour. The mixture was heated to evaporate water and then calcined in an oven at a temperature of 700C to obtain the catalyst of the present invention, whose composition was shown in Table 1. After calcination, the catalyst was observed by electronic microscopy and found that the crystal size of the active ingredients on the surface of the carrier is from 60 to 80 nm, as shown in Figure 11. Subsequently, 30g of the prepared catalyst were fed into a tube reactor having a diameter of 1 inch and a length of 5 centimeter to obtain a catalyst bed. 3-Methylpyridine was first mixed with air and then with H2O vapor and then continuously fed into the catalyst bed at a mole ratio of 1:35:330 (3-methylpyridine: oxygen: H2O) and where the bed temperature was controlled at 310C. The feed speed of 3-methylpyridine is 0.02 hr-1. The product was collected at the outlet of the catalyst bed and analyzed by HPLC and GC. It was found that a conversion of 3-methylpyridine is 96.78%, a selectivity of nicotinic acid is 93.13%, and a selectivity of carbon dioxide is 5.56%.
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Reference:
Patent; Chang Chun Petrochemical Co. Ltd.; EP1584618; (2005); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem