午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
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 3,5-Dichlorobenzoyl chloride
2905-62-6

3,5-Dichlorobenzoyl chloride synthesis

11synthesis methods
3,5-Dichlorobenzoyl chloride is obtained by reacting by aryl carboxylic acid with DMF.Dissolve aryl carboxylic acid (10.0 mmol) in 50 mL DCM with drops of DMF to a 100 mL roundbottomed flask. Cool the mixture to 0°C. Add oxalyl chloride (20.0 mmol, 2.0 equivalents) dropwise to the reaction mixture. Allow the reaction mixture to react for another 4 hours. Concentrate the solvent in vacuo. Use the remaining residue directly.
synthetic method of 3,5-Dichlorobenzoyl chlorideFig The synthetic method of 3,5-Dichlorobenzoyl chloride
-

Yield:2905-62-6 100%

Reaction Conditions:

with thionyl chloride for 5 h;Reflux;

Steps:

12.1 3,5-dichlorobenzoyl chloride

3,5-Dichlorobenzoic acid 2a (5.0 g, 26.2 mmol) was dissolved in 50 mL of thionyl chloride and refluxed for 5 hours. Concentration under reduced pressure and removal of thionyl chloride afforded crude 3,5-dichlorobenzoyl chloride 12a (5.5 g, yellow oil). Yield: 100%.

References:

CN109574927,2019,A Location in patent:Paragraph 0439; 0441-0444

3,5-Dichlorobenzoyl chloride Related Search: