An improved and optimum process for preparing 2-Amylanthraquinone by re-acting t-amylbenzene with phthalic anhydride, involving Friedel-Crafts acylation (yield 80. 2%) and cyclization(yield 81.4%).

以叔戊苯和笨酐为原料，通过酰基化和关环合成了2—戊基蒽醌，改进和优化了各步合成工艺条件，酰化收率80.2％，关环产品收率81.4％。

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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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METHODS: The title compounds were synthesized by acylation of twelve acyl chlorides and two intermediates prepared by Friedel Crafts reaction, lengthening of carbon chain, hydrolysis and cyclization;

方法：通过付克反应、碳链延长、水解和环合反应得到两个关键中间体，然后通过酰化反应制得各种酰胺化合物；

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