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 2-Ethoxyphenol
94-71-3

2-Ethoxyphenol synthesis

12synthesis methods
-

Yield:94-71-3 97.56%

Reaction Conditions:

at 150; for 4 h;Reagent/catalyst;Temperature;

Steps:

4 Example 4
The preparation method of o-ethoxyphenol comprises the following steps: a. 100.13g ortho-ethylvanillin crystals are added into the reaction kettle and heated to melt to form liquid state; b. Start stirring. To the kettle, add 2.0008g of composite metal catalyst (Rh2O3 and RuCl3 mass ratio of 1: 3); c. Heating and raise the temperature to 150 deg.C for 4 hours; d. Pressure filtration to recovery metal catalyst; e. The filtrate undergoes vacuum distillation to obtain product. Product is colorless and transparent liquid 81.23g, the product molar yield 97.56%, as shown in Figure 4, the product GC purity is 99.66%.

References:

Chongqing Thrive Fine Chemicals Co., Ltd.;Gan, Jianqiang;Zhao, Huawen;Wen, Zeping;Ji, Weigang;Liu, Duan;Tang, Ling;Hong, Wei CN105693478, 2016, A Location in patent:Paragraph 0057; 0058; 0059; 0060; 0061; 0062; 0063; 0064

FullText

2-Ethoxyphenol Related Search:

浑源县| 平遥县| 南开区| 林州市| 中牟县| 靖远县| 鹤庆县| 井研县| 五大连池市| 合肥市| 天镇县| 浑源县| 万山特区| 六安市| 东安县| 福鼎市| 沂源县| 嘉禾县| 沭阳县| 辽阳市| 历史| 图们市| 张家口市| 紫阳县| 老河口市| 和林格尔县| 扎囊县| 赤水市| 涟水县| 屏东县| 磐石市| 宜兰市| 昌平区| 威远县| 湖州市| 南通市| 禄丰县| 若羌县| 灯塔市| 兴文县| 卢湾区|