mercapto

Iodimetry was applied to determine cysteamine products,2 mercapto thiazoline saturated cysteamine,and 2 mercapto thrazoline saturated hydrochloric solution(blank).

讨论了由啉水解法生产巯乙胺产品中巯乙胺含量测定法。

Mercaptobenzothiazole or the mercapto-mix: Which should be in the standard series?

巯苯或巯混合物:何为标准品系?

The physical properties of rubber accelerator 2-mercapto benzothiazole and main methods for its preparation are introduced.

介绍橡胶硫化促进剂2-巯苯物理性质和主要制备法。

The Product was preparcd hy 2 - mercapto bcnzimidazole and 3- chloro propyne in propanonc as solvent without phase transfer catalyst.

先由邻苯二胺和二硫化碳合成2-巯苯咪，炔丙醇和三氯化磷合成3-氯丙炔；

It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.

另一种2-巯苯法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯，然后硫氰酸氯甲酯与2-巯苯反应得到苯氰。

Five novel derivatives of dioxonaphthothiazole and tetraoxodibenzothianthrene were synthesized by chlorination、ammonolysis、 mercapto substitution and condensation of 1,4\|naphthoquinone.

由1,4萘醌经氯化、氨解、巯化和缩合环化合成了5个萘醌和四氧二苯蒽系化合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中巯杂环化合物和硫脲衍生物含量。

By the reaction of 2 aryl 5 mercapto 1,3,4 triazoles with alkyl dihalide in presence of dilute base, ten new title compounds had been prepared.

以2-芳-5-巯-1，3，4-三为原料，在稀碱存在下与二卤代烷反应合成了10个新标题化合物。

Syntheses and Characterization of Bridged Bis(2 mercapto 5 methyl 1,3,4 thiadiazole) Compounds and Their Complexes.

桥联双(2-巯-5-甲-1,3,4-二)化合物及其配合物合成和表征