酮的对甲苯磺酰腙在含水的乙腈中与聚苯乙烯二醋酸磺苯在温和条件下反应得到高产率的酮。
Reaction of tosylhydrazones of ketones with CPSID in wet acetonitrile affords the corresponding parent ketones in excellent yields under mild conditions.
实验结果表明，该催化剂用于催化合成苯乙酮环乙二缩酮，催化活性高，可反复使用，反应条件温和，操作方法简便。
High catalytic activity of catalyst, mildness of reaction conditions, convenience of method for application and reuse of catalyst were advantages of the synthesis.
目的：探索4（2氯乙氧基）二苯酮的合成条件，包括原料配比、反应时间等。
Objective:In order to find the best condition for the synthesis of 4 (2 chloroethoxy)benzophenone, including the proportion of material, the time of reaction.
前言：以2′，5′-二羟基苯乙酮和原甲酸三乙酯缩合得到6- 羟基- 4- 色酮，再经催化氢化得到标题化合物。
6-Hydroxychroman was prepared by catalytic hydrogenation of 6-hydroxy-4-chromone, which was prepared via condensation of 2′, 5′-dihydroxyacetophenone with triethyl ortho-formate.
方法：以空白丸芯、柠檬酸三乙酯、滑石粉、硬脂酸镁、胶体二氧化硅、聚维酮K30等为骨架材料制备吲达帕胺缓释胶囊；
Methods: Using eudragitrs 100, triethyl citrate, hydrated magnesium silicate, magnesium stearate, silicic acid anhydride, povidone K30 and etc as capsules preparation materials.
方法：以空白丸芯、柠檬酸三乙酯、滑石粉、硬脂酸镁、胶体二氧化硅、聚维酮K30等为骨架材料制备吲达帕胺缓释胶囊；
Methods: Using eudragitrs 100, triethyl citrate, hydrated magnesium silicate, magnesium stearate, silicic acid anhydride, povidone K30 and etc as capsules preparation materials.
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