n.二氯
Using Chapman rearrangement to prepare 2, 6?dichloro?diphenylamine? 應用Chapman重排制備2,6-二氯二苯胺
How many dichloro derivatives of anthracene are possible Give their names. 答:蒽有多少種二氯衍生物寫出他們的名字.
Polychlorobiphenyls in dye intermediate 2,6 _ dichloro _ 4 _ nitroaniline were analyzed by GC-MS in SIM method. 用氣相色譜-質譜聯(lián)用儀,采用選擇離子的方法對染料中間體2,6_二氯_4_硝基苯胺中的多氯聯(lián)苯進行分析。
Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine. 以3,6-二氯噠嗪為原料,合成了6類芳氧基噠嗪類衍生物,研究了它們的合成方法,并測定了所得產物的除草活性。
The yield of dichloro compound is over 78%.The total yield of 2, 6-dichlorotoluene is over 60% and the purity of product is more than 99.0%. 該工藝氯化采用復合催化劑,無需用任何溶劑,二氯化物收率大于78%25,2,6-二氯甲苯總收率可達60%25,純度大于99%25。
n.[化]二氯甲烷