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 ETHYL 2-CHLORO-5-IODOBENZOATE
289039-54-9

ETHYL 2-CHLORO-5-IODOBENZOATE synthesis

1synthesis methods
-

Yield:289039-54-9 1.74 g

Reaction Conditions:

with hydrogenchloride in water; for 12 h;Reflux;

Steps:

17.17-1 17-1. Synthesis of Compound (43)

5-iodoaniline-2-chlorobnenzoic acid 3. 3g soln. ethanol 150 ml, concentrated hydrochloric acid 0. 11g is added, heated under reflux for 12 hours. After returning the reaction solution to room temperature, is diluted with water, adding an aqueous solution of sodium hydroxide 1N, 3 times extracted with ethyl acetate. The organic layer, washed with saturated saline solution, dried with magnesium sulfate waterlessly org. layer. By concentrating the pressure somas, 5-iodoaniline-2-ethyl chlorobnenzoic (43) 1. 74g is obtained.

References:

JP5743418,2015,B2 Location in patent:Paragraph 0176; 0177; 0178

ETHYL 2-CHLORO-5-IODOBENZOATE Related Search: