目的：合成3-吡啶乙酸盐酸盐。
Objective:To synthesize 3-pyridineacetic acid hydrochloride.
采用由乙酸钯、2 ，2’ 联吡啶与强酸组成的催化体系，催化一氧化碳和苯乙烯的共聚反应合成聚酮（STCO）。
Polyketone (STCO) was prepared by the copolymerization of carbon monoxide and styrene catalyzed by a composite catalyst system- palladium acetate, 2,2' bipyrodine associated with a strong acid.
三氟乙酸吡啶鎓；
探讨了如何控制在均相条件下以高脱乙酰度的壳聚糖为主要原料，在乙酸水溶液- 乙醇-吡啶介质中实现壳聚糖N位乙酰化反应的问题；
By high acetylation of chitosan at N position with acetic anhydride in a homogeneous medium known as acetic solution–alcohol-pyridine system, water-soluble chitosan was prepared.
吡啶羧酸酐是新型广谱除草剂灭草烟的重要中间体，文献所介绍的合成方法是以2，3-吡啶二羧酸与乙酸酐反应制得。
Pyridine-2,3-dicarboxylic anhydride, a key intermediate of the herbicide imazapyr, was synthesized from pyridine-2,3-dicarboxylic acid and anhydride according to the methods in the patents.
吡啶羧酸酐是新型广谱除草剂灭草烟的重要中间体，文献所介绍的合成方法是以2，3-吡啶二羧酸与乙酸酐反应制得。
Pyridine-2,3-dicarboxylic anhydride, a key intermediate of the herbicide imazapyr, was synthesized from pyridine-2,3-dicarboxylic acid and anhydride according to the methods in the patents.
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