• 原料经化、水解氧基4反应合成药物中间体3,4,5-三甲氧基苯醛,收率53

    The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

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  • 愈创木酚为起始原料,采用各种不同催化剂缩合制备得到邻甲氧基研究了、催化剂、反应温度、反应时间加料方式各种因素反应影响

    Methoxydiphenyl ether was synthesized from guaiacol by using various catalysts and bases. The influences of base, catalyst, temperature, time and the way of feeding on the reaction were studied.

    youdao

  • 愈创木酚为起始原料,采用各种不同催化剂缩合制备得到邻甲氧基研究了、催化剂、反应温度、反应时间加料方式各种因素反应影响

    Methoxydiphenyl ether was synthesized from guaiacol by using various catalysts and bases. The influences of base, catalyst, temperature, time and the way of feeding on the reaction were studied.

    youdao

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