乙酸水解

Treatment of the diacetoxy-calix [4] arene with a series of ditosylates in dry MeCN in the presence of NaOH resulted in formation of electron-rich calix [4] areneocrowns, which reacted with 4, 4'-bipyrindinium and p-bis -benzene at room temperature in dry MeCN to afford self-assembling [2] catenanes by π-π stacking interaction.

以杯[4]芳烃为原料，通过三氟乙酸铊将其氧化成醌，醌类化合物在Zn粉、冰醋酸、少量盐酸和过量的乙酸酐中反应得到双乙酰化产物，利用氢氧化钠使其水解，然后再与各种对甲苯磺酸二酯进行环化反应，得到一系列具有富电子空腔的杯[4]芳烃并冠醚。

The hydrolysis of glycosidic linkages in hemicelluloses and the b-O-4 ether bonds in lignin are catalysed by acetic acid formed at high temperature from acetyl groups present in hemicelluloses.

水解糖苷联系，在半纤维素和波- 4甲醚债券木质素是催化乙酸形成于高温，从乙酰集团目前在半纤维素。

Abundant in hydrolyzed extensin, glycosyl trehalose and tocopheryl acetate, it gives the skin more nutrition and care and helps reduce traces of time, making the skin bright, delicate and tighter.

丰富水解伸展蛋白、糖基海藻糖和生育酚乙酸酯，给肌肤更多滋润呵护，帮助减少岁月痕迹，令肌肤明亮、细腻更紧致。

Two haptens of mono-p-nitrophenyl phosphonates were designed and synthesized according to the structural features of the substrate and its hydrolytic transition state. The phosphonate haptens were coupled to the carrier proteins bovine serum albumin and keyhole limpet hemocyanin .

以对硝基乙酸苯酯水解反应中间体的结构信息进行分子设计，经过Arbzov等五步化学反应合成了二种对硝基苯基类膦酸酯半抗原，将其与载体蛋白（牛血清白蛋白BSA和钥孔〓血兰素KLH）偶联，制得了具不同抗原价（10～60）的半人工合成全抗原。

Using phosphorus trichloride as the base raw material, we try out the water dosage on hydrolysts, drop quomodo of phosphorus trichloride, the ratio of phosphorus trichloride and MSIDA, other trial operate, and find out the best synthesis method.

用三氯化磷为基本原料，研究了水解用水量、三氯化磷滴加方式、三氯化磷与亚氨基二乙酸一钠盐的配比和工艺操作条件等因素的影响情况。

In addition, we also can directly add n-BuLi or Mg powder into Cp2ZrCl2 THF solution, followed by addition of 1-azadiene, ethylacetate or DMF to produce pyrroles after hydrolysis.

另外，我们也可直接使用有机锂或镁粉还原Cp2ZrCl2，再加入单氮二烯，乙酸乙酯或DMF，水解后亦可直接产生比咯化合物。

Insertion of ethylacetate or DMF into 1-zircona-2-azacyclopent-3-ene complexes at 50 oC affords pyrroles in moderate yield when they quenched with KOH aqueous.

1-锆-2-氮-环戊-3-烯错合物在室温下可与乙酸乙酯或DMF进行插入反应，经由氢氧化钠水溶液水解后，可得到不错产率的比咯。

Scattered into ethanol, ethyl silicon is medium tetraethyl ortho-silicate in ammonia catalytic hydrolysis, formed under the condition of the negatively charged with PS silica microspheres due to charge effect between by adsorption to PS microspheres surface, core-shell structure.

将其分散到乙醇/水介质中，正硅乙酸乙酯在氨水催化条件下水解，形成带负电性的二氧化硅与PS微球之间由于电荷作用而被吸附到PS微球表面，形成核-壳结构。

First use soap-free emulsion preparation for polystyrene spheres, and the kernel, Reuse are silicon acetic tetraethyl ortho-silicate in ammonia catalytic hydrolysis, formed under the condition of silica, charged by six water or their cerium, six of methylene amine solution HMT (4) into the negatively charged, uniform cerium oxide coated surfaces to PS microspheres, core-shell structure of PS - CeO2 and PS - SiO2 composite microspheres.

首先用无皂乳液制备了聚苯乙烯微球，并以此为内核；再利用正硅乙酸乙酯在氨水催化条件下水解，形成带负电性的二氧化硅，或者利用六水亚硝酸铈、六亚甲基四胺水溶液分解出带负电性的氧化铈，均匀的包覆到PS微球表面，形成核-壳结构的PS-CeO2和PS-SiO2复合微球。

Keywords near-critical water;self-catalysis;iminodiacetonitrile;iminodiacetic acid;hydrolysis

近临界水；自催化；亚氨基二乙腈；亚氨基二乙酸；水解

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。