查询词典 phosphoryl chloride

The production technology,consumption quota,product quality and wastes of both sulfinyl chloride and phosphoryl chloride are summarized.

概述了氯化亚砜和三氯氧磷的生产工艺、消耗定额、产品质量及"三废"情况，并对其进行了技术经济评价。

Taking toluene, chlorosulfonic acid and phosphoryl chloride as raw materials, p-toluenesulfonyl was synthesized.

以甲苯、氯磺酸、三氯氧磷为原料，氯化铵为催化剂合成对甲苯磺酰氯。

Study on the synthesis of the antistatic agents of didodecyl phosphate and its salts ——The synthesis and technology optimization of didodecyl phosphoryl chloride;2. The synthesis of didodecyl phosphate and its salts by the reaction of 1-dodecanol with phosphorus oxychloride was studied.

研究了以三氯氧磷与月桂醇为原料合成磷酸二月桂酯(C12-DAP)及其盐的工艺条件，考察了反应温度、反应时间和物料配比等因素对酯化反应与水解反应进程的影响，通过优化实验方法，选择了适宜的合成工艺条件。

Using phosphoryl chloride as catalyst, 5,6-O-isopropylidene ascorbic acid was prepared by the reaction of Vc and acetone, then the product was treated with phosphoryl chloride to produce Magnesium L-ascorbate-2-phosphate.

在三氯氧磷催化剂作用下，Vc首先与丙酮反应生成5，6-O-异丙叉-L-抗坏血酸，再与三氯氧磷发生磷酰化反应合成得到。

In order to find active pesticide leading compounds, thinking about that triazolothiadiazoles had various biological activities, this paper designed and synthesized 11 novel title compounds from 3-substituted-4-amino-5-mercapto-1,2,4-triazoles with heterocyclic carboxylic acid via cyclization in the presence of phosphoryl chloride by the princple of combination of active strucural moieties. The structures of the title compounds were characterized by melting point, IR, 1HNMR and elemental analysis.

为了寻找高活性农药先导化合物，考虑到三唑并噻二唑衍生物具有广泛的生物活性，本文利用活性亚结构拼接原理，将活性基团分别引入1，2，4-均三唑并[3，4-b]-1，3，4-噻二唑杂环的3位和6位，合成了未见文献报道的3，6-二取代均三唑并[3，4-b]-1，3，4-噻二唑类化合物11个，并用IR、1HNMR及元素分析测试技术对其进行了结构表征。

Five quinazolinone compounds, such as 6-X-4(3H)-quinazoinone ( X=NO2,Cl,Br J) and 1 -furfuryl-6-sulfarnide-7-chloro-4( 1 H)-quinazolinone(5),were synthesized by reaction of anthranilic acids with formamide accompanied by titrating with phosphoryl chloride.

用改进后的 Niementowski反应，可使反应温度由原来的 175℃以上降至 90习5℃，甚至能在冰浴条件下制备出化合物 l－（吱哺－2－甲基）－6－磺酚胺基－7－氯什 IH）－喳哩晰酮。

Similarly, 5TPS-AVB〓 or 5-TPS-IVB〓 reacted with carbamino chloride or phosphoryl chloride in IM/DMAP system to produce six new 4"-carbamates or 4"-phosphorylates in good yields.

LA-47与氨基甲酰氯和磷酰氯反应，得到3个对应的5-4-TPS-AVB〓氨基甲酸酯或膦酸酯衍生物，产率良好。

Similarly, IVB〓 reacted with carboxylic acids in DCC/DMAP/DCM system to produce ten new 5-IVB〓 esters in 66-82% yield. AVB〓 or IVB〓 also reacted with carbamino chloride or phosphoryl chloride in IM/DMAP system to produce eight corresponding carbamates or phosphorylates in good yields.

阿维菌素B〓与氨基甲酰氯反应，合成了2个5-AVB〓氨基甲酸酯衍生物：阿维菌素B〓与膦酰氯反应，合成2个5-AVB〓膦酸酯衍生物；并改进了阿维菌素与酰氯的反应条件，缩短了反应时间，提高了产率和反应的选择性。

The production technology,consumption quota,product quality and wastes of both sulfinyl chloride and phosphoryl chloride are summarized.

概述了氯化亚砜和三氯氧磷的生产工艺、消耗定额、产品质量及&三废&情况，并对其进行了技术经济评价。

With the aid of 〓P NMR examination for the process and ESI-MS/MS analysis of the derivatized products from the reaction intermediate, it is found that the corresponding phosphoryl chloride is generated after mixing the hydrogen phosphonate derivative with chlorodiisopropylamine, and they react with amino acid, amino acid methyl ester, dipeptide methyl ester or N-methyl imidazole carboxyl alkyl diamine respectively to form the desired products.

利用〓P NMR对反应过程监测以及对反应中间体衍生化后产物的ESI-MS／MS检测分析发现，氢亚磷酸二酯与氯代二异丙胺反应首先生成了磷酰氯中间产物，它继续与氨基酸、氨基酸甲酯、二肽甲酯、1-甲基咪唑-2-酰基烷基二胺等反应生成了目标产物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。