• 另一种2-巯基噻唑先将溴甲烷化钠反应生成硫氯甲酯,然后酸氯甲酯与2-巯基并噻唑反应得到

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

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  • 本文旨在探讨硫醚树脂交联机理

    This paper approaches the effect of melamine on the cross-linking mechanism of polyphenylene sulfide resin.

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  • 实验似可以说明海拉明脒胍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.

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  • 糖精起始原料,经过开、光气化、缩合等一系列反应制备了磺隆,合成反应的收率可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.

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  • 丙烯腈乙烯聚丙烯上接校共聚二甲率取,得树脂

    Acrylonitrile copolymerized with divinylbenzene on polypropylene and then extracted with xylene, the cage cyano resin was obtained.

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  • 建立了7%右旋菊酯杀虫烟雾剂超声萃取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).

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  • 方法:以5-起始原料,核加成、水解化学拆分、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.

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  • 提供了用于递送活性剂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.

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  • 提供了用于递送活性剂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.

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