一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

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 4-PIPERAZINOPHENOL DIHYDROBROMIDE
38869-37-3

4-PIPERAZINOPHENOL DIHYDROBROMIDE synthesis

4synthesis methods
The preparation process for 4-Piperazinophenol dihydrobromide is as follows: Step 1: Synthesis of Dibromoethylamine hydrobromide: React diethylamine with 40% hydrogen bromide. The mixture is heated, dehydrated by fractional distillation, and excess hydrog
-

Yield:38869-37-3 100%

Reaction Conditions:

with hydrogen bromideHeating;overnight;

References:

Stefancich;Artico;Ortar;Silvestri;Simonetti;Apuzzo;Artico [Archiv der Pharmazie,1992,vol. 325,# 11,p. 687 - 694]

4-PIPERAZINOPHENOL DIHYDROBROMIDE Related Search:

贵州省| 夏河县| 古蔺县| 家居| 武安市| 广宗县| 界首市| 河曲县| 布拖县| 临泽县| 凌云县| 湘潭县| 上蔡县| 荆州市| 富民县| 即墨市| 保亭| 保亭| 安化县| 朝阳市| 尖扎县| 宁化县| 浪卡子县| 出国| 祁东县| 汉沽区| 吴堡县| 临沧市| 霍林郭勒市| 获嘉县| 金塔县| 江都市| 新丰县| 桐梓县| 定结县| 汉沽区| 宜兰县| 涞源县| 澄城县| 册亨县| 雅江县|