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 3-BroMocyclobutanone
23761-24-2

3-BroMocyclobutanone synthesis

1synthesis methods
-

Yield:23761-24-2 97%

Reaction Conditions:

with bromine;magnesium sulfate;silver(l) oxide in dichloromethane for 3 h;Reflux;

Steps:

3 Example 3
Compound II (10.1g, 88mmol) was dissolved in DCM (100mL), anhydrous magnesium sulfate (10.5g, 88mmol) was added, silver oxide (23.1g, 0.1mol) was added, the reaction was heated to reflux, and bromine (17g, 0.1 mol) in DCM (40 mL), the reaction was refluxed for 3 h, cooled to room temperature, filtered, DCM rinsed, and the filtrate was concentrated to obtain 12.7 g of light yellow oil III (yield 97%).

References:

Suzhou Chukai Pharmaceutical Co., Ltd.;Zhang Zhongjian;Liu Xianjun;Zheng Xingxing;Yu Feifei;Huang Wenfei CN111320535, 2020, A Location in patent:Paragraph 0049-0051

FullText

3-BroMocyclobutanone Related Search:

花垣县| 且末县| 龙江县| 林芝县| 朝阳县| 辽宁省| 泰宁县| 南平市| 霍邱县| 邮箱| 永登县| 从江县| 德钦县| 广水市| 巴林左旗| 杭锦旗| 会宁县| 福安市| 博乐市| 江西省| 鄂托克旗| 晴隆县| 宝鸡市| 哈尔滨市| 拜城县| 晋州市| 枞阳县| 张家港市| 信宜市| 大厂| 密云县| 疏附县| 西林县| 宁津县| 张家港市| 华坪县| 绵竹市| 乐安县| 来安县| 郁南县| 金门县|