另一种2-巯基苯并噻唑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-巯基苯并噻唑反应得到苯噻氰。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
本文旨在探讨三聚氰胺对聚苯硫醚树脂的交联机理。
This paper approaches the effect of melamine on the cross-linking mechanism of polyphenylene sulfide resin.
本实验似可以说明:苯海拉明、甲氰脒胍有抑制肥大细胞脱颗粒作用。
It can be elucidated from the result of this study that benadryl and cimetidine have the effect to inhibit the degranulation of mast cells.
以双氰胺钠和糖精为起始原料,经过开环、光气化、缩合等一系列反应制备了苯磺隆,合成反应的总收率可达57。
Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.
丙烯腈和二乙烯基苯在聚丙烯上接校共聚,再经二甲苯率取,得笼形氰基树脂。
Acrylonitrile copolymerized with divinylbenzene on polypropylene and then extracted with xylene, the cage cyano resin was obtained.
建立了7%右旋苯氰菊酯杀虫烟雾剂的超声萃取前处理方法和气相色谱分析方法。
A method was established for determination of a 7% d-cyphenothrin insecticidal aerosol using an ultrasound extraction pretreatment followed by gas chromatography (GC).
方法:以5-氰基苯酞为起始原料,经亲核加成、水解、化学拆分、环化和成盐等反应制得抗抑郁药草酸依地普仑。
Methods:Starting from 5-cyanophthalide, escitalopram oxalate was prepared via several steps including nucleophilic addition, hydrolysis, chemical separation, cyclization and salt formation.
提供了用于递送活性剂的氰基苯氧基羧酸化合物及其组合物。
Cyanophenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided.
提供了用于递送活性剂的氰基苯氧基羧酸化合物及其组合物。
Cyanophenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided.
应用推荐