118-69-4, Adding a certain compound to certain chemical reactions, such as: 118-69-4, name is 2,6-Dichlorotoluene, belongs to chlorides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 118-69-4.
Ammoxidation runs were carried out in a fixed bed tubular quartz reactor, which is filled with 5g of catalyst particles prepared by the methods described in examples 1 to 3 and mixed with corundum particles of the same size in 1: 1 by weight ratio. A preheating zone is provided on the top of the catalyst bed. The catalyst was activated in a mixture of air and [NH3] at [400C] for 4 hours and then the catalytic runs were performed. The 2,6-DCT and [H20] were pumped in the mole ratio of 1: 15 to 20. The product stream was collected for every half-an-hour and analysed by gas chromatography. The reaction was carried out under the following reaction conditions. A reaction temperature of 350 to [400C] was used, and the GHSV comprised between 650-750 [H-‘.] The contact time consisted of 4.8 to 5.5 seconds. The mole ratio of 2,6-DCT : H20 : NH3: air was 1: 15: 3-4: 21, the molar concentration of 2,6-DCT was 2.4 % and the ratio of O/NH3 was 1. [1 %.]
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Reference:
Patent; TESSENDERLO CHEMIE S.A.; WO2003/101939; (2003); A2;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics