Eight substituted ureas herbicides were synthesized with bis ( trichloromethyl ) carbonate ( BTC ) . The production structures were identified by elemental analysis and IR .
用二( 三 氯 甲基)碳酸酯(BTC) 代替光气, “ 一锅 法”合成了8种取代脲类除草剂,产物结构经元素分析、IR确证。
Methods Triazine compounds were synthesized from metformin which is the prime material . A series of trichloromethyl substituted triazine compounds as acid-generators were prepared .
方法以二甲双胍为起始原料,生成三嗪类化合物。制备了一系列的 三 氯 甲基取代的三嗪类化合物。
A series of trichloromethyl substituted triazine compounds as acid-generators were prepared .
制备了一系列的 三 氯 甲基取代的三嗪类化合物。
Objective : To synthesize some fused heterocycles containing trichloromethyl group and to study their mass spectral properties .
目的:合成 连有 三 氯 甲基的稠杂环 化 舍 物,并研究其波谱 ( 特别是质谱)的特征。
Studies on the Reaction Between Bis ( trichloromethyl ) Carbonate and 1 Hydrochlorate
1二氨基萘盐酸盐与二( 三 氯 甲基)碳酸 酯反应研究
One-pot Preparation of Substituted Ureas Herbicides with Bis ( trichloromethyl ) Carbonate
二( 三 氯 甲基)碳酸 酯一锅法合成取代脲类除草剂
A series of aromatic isocyanates were synthesized by adding dropwise corresponding arylamines into the solution of bis ( trichloromethyl ) carbonate ( BTC ) and refluxing .
将伯芳胺或其溶液滴加到双( 三 氯 甲基)碳酸酯溶液中,经回流反应合成了相应的芳基异氰酸酯。
Synthesis of 2-Hydroxy-4-Phenylbutyric Acid with Trichloromethyl Anion Attacking Hydrocinnamaldehyde
三 氯 甲基负离子进攻苯丙醛合成2-羟基-4-苯基丁酸
Imaging experimental results indicate that these trichloromethyl substituted triazines can be applied to lithographic compositions for chemically amplified CTP plate and PS plate .
成像实验表明,所 制 备 的 三 氯 甲基取代的三嗪类化合物可用于化学增幅型热敏CTP版和PS版的成像组成物中。
Development and Application of Trichloromethyl Carbonate
三 氯 甲基碳酸 酯的开发应用
The Preparation and Application of Bis ( trichloromethyl ) Carbonate
双( 三 氯 甲基)碳酸 酯的制备和应用
Study on micro-determination of 1 4-bis ( trichloromethyl ) benzene
1双( 三 氯 甲基)苯的微量分析研究
In order to improve safety we replace phosgene by trichloromethyl chloroformate in synthesis of isocyanate .
在苯基异氰酸酯与 间 甲基苯基异氰酸酯的制备中,以液态的 氯甲酸三氯甲酯替代传统工艺所用的光气,大大提高了安全性。
Synthesis properties and application of hexamethylene diisocyanate ( HDI ) trimer are reviewed with 24 references . Synthesis of Hexamethylene Diisocyanate Using Bis ( Trichloromethyl ) Carbonate
本文综述了六亚甲基二异氰酸酯( HDI)三聚体的合成,性质及其应用
The synthesis of 1 diisocyanate ( NDI ) from 1 ( NDA ) and bis ( trichloromethyl ) carbonate ( BTC ) as the phosgene substitute material was studied .
用二( 三 氯 甲基)碳酸 酯(BTC)代替光气与1萘二胺(NDA)反应合成了1萘二异氰酸酯(NDI)。
The Carbonic dichloride and the Trichloromethyl carbonate are two commonly used acylating reagent to product the Iminodibenzyl carbonyl chloride .
目前常采用光气和 三 光气作为酰化剂合成该产物。
Preparation of Benzophenones with Bis ( Trichloromethyl ) Carbonate as Substitute of Phosgene
二( 三 氯 甲基)碳酸酯替代光气合成二苯甲酮类化合物
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三氯甲基