天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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 CYAZOFAMID
120116-88-3

CYAZOFAMID synthesis

5synthesis methods
4-Chlor-2-cyano-5-(4-methylphenyl)imidazol

120118-14-1
71 suppliers
inquiry

13360-57-1 Synthesis
Dimethylsulfamoyl chloride

13360-57-1
296 suppliers
$30.00/5g

-

Yield:120116-88-3 96.2%

Reaction Conditions:

with potassium carbonate in ethyl acetate for 3 h;Reflux;

Steps:

1.4 Synthesis of 4-chloro-2-cyano-N,N-dimethyl-5-(4'-methylphenyl)-1H-imidazole-1-sulfonamide
With a reflux condenser,Necked flask equipped with a stirrer and a thermometer, 23.6 g (0.1 mol)4 (5) -chloro-2-cyano-5 (4) - (4'-methylphenyl) imidazole, 80 ml of ethyl acetate,16.7 g (0.12 mol) of anhydrous potassium carbonate,16.7 g (0.12 mol) of N, N-dimethylaminosulfonyl chloride,Refluxed for 3 hours,Cooling to room temperature, add 40ml of water, stir, filter,The filter cake was recrystallized from ethyl acetate,Gave a white solid,

References:

Xi'an Modern Chemistry Research Institute;Chen, Tao;Yang, CuiFeng;Su, Tianduo;Ning, binke;Zhang, JianGong;Wang, LiePing;Lin, shuangzheng;Wang, YueMei CN103936678, 2016, B Location in patent:Paragraph 0016; 0017; 0018

FullText

CYAZOFAMID Related Search: