Its compound methods such as direct compound method, multi-step compound method and parts condensation compound method.
介绍了该类化合物的几种合成方法，直接合成法、多步合成法和片段缩合法。
Under the alkali conditions, the gramine condension with diethyl acetamidomalonate to obtain the condensation compound.
芦竹碱和乙酰氨基丙二酸二乙酯在碱性条件下缩合，得缩合物。
The condensation compound was synthesized by 2 butene 1, 4 diol and iso butyric aldehyde, and was characterized by elemental analysis and IR.
将异丁醛与1,4丁烯二醇缩合得到产物二氧七环，对产物进行了元素分析和IR分析。
Switch to a condensation curing compound. These compounds do not use platinum and thus are not affected by any of the above.
换成缩合固化。这些化合物不用铂催化剂，因此不会受到以上因素的影响。
Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.
方法：以庚二酸单乙酯为原料，经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果：塞曲司特的总产率为5 0 .7%。
Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.
方法：以庚二酸单乙酯为原料，经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果：塞曲司特的总产率为5 0 .7%。
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