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一氯化硫

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By using conditional experiment,an optimum processing for preparation of sulfur dichloride was reached.

以工业硫磺和液氯为主要原料,一步法直接制备二氯化硫。

The physics-chemistry properties,synthesis of sul phur monochloride and its application in organic reactions are introduced briefl y.

简要介绍了一氯化硫的理化性质、合成方法及其在有机反应中的应用。

This test is a measure of the unsaturated linkages in a fat and is determined by reacting the fat with a solution of iodine monochloride in a mixture of acetic acid and CCU, liberating excess iodine with KI, and titrating with Na2S203.

这个试验是不饱和键的测量,它由脂肪与一氯化碘在乙酸与CCU的混合物的溶液反应进行测量,用KI除多余的碘,用硫代硫酸钠滴定。

Diallyl trisulfide was synthesized with a yield of 76.4% based on sodium thiosulfate, allyl bromide and sodium sulfide. And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with ally1 mercaptan with a yield of 81.0%.

以硫代硫酸钠、烯丙基澳和硫化钠为原料,合成了二烯丙基三硫,产率为76.4%;以一氯化硫和烯丙硫醇为原料合成了二烯丙基四硫,产率为81.0%。

A process for preparing the olefine sulfide includes addition reaction between sulfur monochloride and C3-C12 olefine under existance of low-carbon alcohol as catalyst to obtain addition compound, mixing it with C1-C15 haloalkane, sulfide of alkali metal, sulfur powder, and aqueous solution of emtrol, sulfurizing, dechlorinating, and refining.

一种硫化烯烃的制备方法,包括:(1)使一氯化硫和C 3 ~C 12 烯烃在低碳醇催化剂的存在下进行加合反应,生成加合物;(2)将(1)步的加合物与C 1 ~C 15 卤代烷、碱金属硫化物、硫磺粉、脂肪醇水溶液混合,进行硫化脱氯反应后,精制处理,得到硫化烯烃产品。

When sulfuryl chloride is used to chlorinate an alkane, organic peroxide,ROOR is used as an initiator. SO2 is also a product. Write a mechanism for the chlorination.

答:使用硫酰氯化物作为烷烃的氯化剂,过氧化物ROOR被用作引发剂,SO2是一种产物写出氯化作用的机理。

Applications of thionyl chloride in pharmaceutical and pesticide sectors and application developments in organic synthesis reaction and ring formation reaction are introduced.

氯化亚砜又名亚硫酰二氯、氯氧化硫,是一种重要的无机精细化工产品,在医药、农药、染料、化工等行业及有机合成反应中具有广泛的应用。

Part III, 12-benzyl dehydroabietyl thioisocyanate was synthesized from methyl 12-benzyl dehydroabietic acid, by hydrolysis, chloride, Curtius reaction to give isocyanate which was hydr- olysied to amine under acidic condition, and with the method of CS2 at last, the maximal excitat- ion wavelength was bathochromic shifted 14nm compared to DDHA-NCS.

第三部分,从12-苯甲酰基脱氢松香酸甲酯出发,经过水解,酰氯化、Curtius reaction得到异氰酸酯,在酸性条件下水解成胺,最后由二硫化碳法得到一种新的荧光衍生试剂12-苯甲酰基脱氢松香酸异硫氰酸甲酯,与DDHA-NCS相比,最大激发波长红移了14nm。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。