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 pyrazole-3-carboxylate
5932-27-4

Ethyl pyrazole-3-carboxylate synthesis

10synthesis methods
-

Yield:5932-27-4 96%

Reaction Conditions:

with sulfuric acid at 80; for 2 h;

Steps:

Synthesis of Eopzc
To solution of ethanol (50 mL) and 3-pyrazolecarboxylicacid (1.112 g 10 mmol) at 80 °C was added concentratedsulfuric acid (2 mL), and after 2 h of stirring theethyl 1H-pyrazole-3-carboxylate was obtained (1.350 g,9.6 mmol, 96 %).

References:

Feng, Chao;Li, Xue-Jing;Zhang, Duo;Qu, Zhi-Rong;Zhao, Hong [Journal of the Iranian Chemical Society,2016,vol. 13,# 5,p. 823 - 830]

FullText

Ethyl pyrazole-3-carboxylate Related Search: