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-Nitro-1-naphthol
607-24-9

2-Nitro-1-naphthol synthesis

12synthesis methods
-

Yield:607-24-9 90.1%

Reaction Conditions:

with ethanol;lithium hydroxide monohydrate;dihydrogen peroxide;sodium hydroxide at 70; for 0.583333 h;Temperature;

Steps:

1.2; 2.2; 3.2 (2) Synthesis of 2-nitro-1-naphthol:

put 40 parts of 2-nitroso-1-naphthol, 150 parts of ethanol, 120 parts of water and 15 parts of caustic soda into the reaction kettle in turn, and after stirring evenly , 280 parts of aqueous hydrogen peroxide solution with a mass fraction of 30% was added dropwise, the temperature was raised to 70° C. for 35 min, and the reaction of the raw materials was followed by TLC or HPLC.

References:

CN113717052,2021,A Location in patent:Paragraph 0016-0023

2-Nitro-1-naphthol Related Search:

赞皇县| 汶上县| 岳阳县| 金乡县| 黄骅市| 保靖县| 南宁市| 鸡泽县| 新河县| 花莲市| 枝江市| 龙门县| 津市市| 哈尔滨市| 德兴市| 资中县| 广东省| 友谊县| 吴忠市| 东乡| 高陵县| 镇原县| 仁寿县| 清苑县| 渝北区| 天台县| 达日县| 简阳市| 彩票| 美姑县| 玉树县| 济南市| 金沙县| 新巴尔虎右旗| 辉县市| 安平县| 无锡市| 安岳县| 日喀则市| 龙泉市| 桦川县|