Related Products of 2603-10-3, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 2603-10-3 as follows.
In a fixed bed reactor, 20 g of a supported heteropoly solid acid catalyst having a phosphomolybdic acid content of 1% added, the dimethyl carbonate was continuously added to a fixed bed reactor with a pump, and the temperature was raised to 80 C. Respectively, the preheating mass concentration of 5% phenylcarbamic acid methyl ester-dimethyl carbonate solution and concentration 10% formaldehyde solution to 80 C and simultaneously with a pump in a fixed bed reactor, Adjust the flow rate of phenylcarbamic acid methyl ester-dimethyl carbonate solution 0.4 ml/min, formaldehyde solution flow rate of 0.1 ml/min, Under normal pressure conditions for continuous condensation reaction, reaction material timing sampling analysis,MDC conversion rate of 99. 1%,The selectivity was 81.6%.Distillation crystallization gave dimethyl 4,4′-diphenylmethane dicarbamate.
According to the analysis of related databases, 2603-10-3, the application of this compound in the production field has become more and more popular.
Reference:
Patent; China Petroleum & Chemical Corporation; Research Institute of Nanjing Chemical Industry Group; He, yu miao; Jin, Hanjiang; Wu, Qijian; Jin, Yu Cun; Liu, Zhuo; Chen, Yongping; (5 pag.)CN106565545; (2017); A;,
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