Iodimetry was applied to determine cysteamine products,2 mercapto thiazoline saturated cysteamine,and 2 mercapto thrazoline saturated hydrochloric solution(blank).
讨论了由噻唑啉水解法产的
产品中
含量的测定
法。
Iodimetry was applied to determine cysteamine products,2 mercapto thiazoline saturated cysteamine,and 2 mercapto thrazoline saturated hydrochloric solution(blank).
讨论了由噻唑啉水解法产的
产品中
含量的测定
法。
Mercaptobenzothiazole or the mercapto-mix: Which should be in the standard series?
基苯并噻唑或
基混合物:何为标准品系?
The physical properties of rubber accelerator 2-mercapto benzothiazole and main methods for its preparation are introduced.
介绍橡胶化促进剂2-
基苯并噻唑的物理性质和主要的制备
法。
The Product was preparcd hy 2 - mercapto bcnzimidazole and 3- chloro propyne in propanonc as solvent without phase transfer catalyst.
先由邻苯二和二
化碳合
2-
基苯并咪唑,炔丙醇和三氯化磷合
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-基苯并噻唑法是先将溴氯甲烷与
氰化钠反应
氰酸氯甲酯,然后
氰酸氯甲酯与2-
基苯并噻唑反应得到苯噻氰。
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、基化和缩合环化合
了5个萘醌并噻唑和四氧二苯并噻蒽系化合物。
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的基杂环化合物和
脲衍
物的含量。
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-芳基-5-基-1,3,4-三唑为原料,在稀碱存在下与二卤代烷反应合
了10个新的标题化合物。
Syntheses and Characterization of Bridged Bis(2 mercapto 5 methyl 1,3,4 thiadiazole) Compounds and Their Complexes.
桥联双(2-基-5-甲基-1,3,4-噻二唑)化合物及其配合物的合
和表征
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