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
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 2-(2-CHLOROETHOXY)NITROBENZENE
102236-25-9

2-(2-CHLOROETHOXY)NITROBENZENE synthesis

4synthesis methods
-

Yield:102236-25-9 120 g

Reaction Conditions:

with potassium carbonate in N,N-dimethyl-formamide at 110 - 120; for 1 h;

Steps:

1.a 1-(2-chloro-ethoxy)-2-nitro-benzene

2-nitro-phenol (168.7 g) and toluene-4-sulfonic acid 2-chloro ethyl ester (100 g) 500 ml DMF dissolving the a, 199 g potassium carbonate 1 are carefully 110-120 ° C time after addition of the stirring section. Mixture of water and ice for grinding reaction mixture (8 ?) poured in and buck stirring section. Residue, is filtered and, the drying which washes the times water.

References:

KR101495970,2015,B1 Location in patent:Paragraph 0072; 0073; 0074; 0075; 0076

2-(2-CHLOROETHOXY)NITROBENZENE Related Search: