一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List 2,4-Dichlorobenzyl chloride
94-99-5

2,4-Dichlorobenzyl chloride synthesis

6synthesis methods
2,4-Dichlorobenzyl alcohol

1777-82-8

2,4-Dichlorobenzyl chloride

94-99-5

GENERAL STEPS: 2,4-dichlorobenzyl alcohol (17.7 g, 0.1 mol), dichloromethane (30 mL), and N,N-dimethylformamide (DMF, 1 mL) were added to a 100 mL round-bottomed flask, followed by the slow dropwise addition of phosphorus trichloride (4.68 g, 0.034 mol). The reaction mixture was heated to reflux temperature (60-80°C) and the reaction lasted for 2-3 hours. The progress of the reaction was monitored by thin layer chromatography (TLC) until the complete disappearance of the raw material. After completion of the reaction, 2,4-dichlorobenzyl chloride (17.99 g, 92% yield) was purified by distillation.

-

Yield:94-99-5 92%

Reaction Conditions:

with phosphorus trichloride in dichloromethane;N,N-dimethyl-formamide at 60 - 80;Reagent/catalyst;

Steps:

6 Example 6
To a 100 mL round bottom flask was added 2,4-dichlorobenzyl alcohol (17.7 g, 0.1 mol) and dichloromethane (30 mL) andDMF (1 mL), followed by the addition of phosphorus trichloride (4.68 g, 0.034 mol) and slowly warming to reflux (60-80 ° C) Should be 2 ~ 3h, TLC detection shows the disappearance of raw materials, distillation was 2,4-dichlorobenzene 17.99g, yield 92%.

References:

Zhejiang Yongtai Pharmaceutical Co., Ltd.;Jin Yizhong;He Renbao;Zhou Guobin;Xie Jianren CN106117028, 2016, A Location in patent:Paragraph 0053; 0054; 0055; 0056

FullText

2,4-Dichlorobenzyl chloride Related Search:

疏附县| 屏东市| 南华县| 灵宝市| 额尔古纳市| 峨山| 毕节市| 铜鼓县| 沭阳县| 和静县| 磐石市| 定陶县| 营山县| 桓仁| 佛教| 安阳市| 万安县| 邛崃市| 玉林市| 湘潭市| 静安区| 晋城| 怀仁县| 班戈县| 惠东县| 新安县| 固阳县| 磐石市| 东城区| 四子王旗| 洞头县| 慈溪市| 中宁县| 普宁市| 云霄县| 沙田区| 崇州市| 建昌县| 翁源县| 澎湖县| 调兵山市|