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 Dimethoxymethylphenylsilane
3027-21-2

Dimethoxymethylphenylsilane synthesis

7synthesis methods
Sodium metal particles suspension was added to a mixture of 62.5 g of chlorobenzene and 227 g of methyltrimethoxysilane, and then 0.32 g of 15-crown-5 was added. The reaction was carried out at 38 ° C for 2 h , The reaction was stopped, and the reaction mixture was filtered and vacuum-distilled to give Dimethoxymethylphenylsilane in a yield of 87%.
Dimethoxymethylphenylsilane
-

Yield:3027-21-2 95%

Reaction Conditions:

in diethyl ether; for 1 h;Reflux;

Steps:

3

5L four-necked flask by adding 240g methyltrimethoxysilane and 1000mL ether, stirring drop 1080mL 1.63mol / L bromobenzene reagent ether solution; drop Bi, heated reflux 1h .; cooling, to the reaction (Yield 95%) of phenylmethyldimethoxysilane and 4 g of diphenylmethoxysilane (yield 1%) were added to the filtrate by adding 1000 mL of n-hexane and then filtering.

References:

CN103113400,2016,B Location in patent:Paragraph 0051; 0052

Dimethoxymethylphenylsilane Related Search:

汶上县| 河津市| 丽水市| 沛县| 乐安县| 西平县| 绥宁县| 奉新县| 全州县| 杭锦旗| 深水埗区| 通化市| 平顶山市| 怀化市| 扬州市| 迁西县| 黄陵县| 玛曲县| 云浮市| 平武县| 乌海市| 二手房| 深州市| 阳曲县| 徐水县| 双峰县| 九龙坡区| 仁怀市| 库尔勒市| 汕头市| 青田县| 贡嘎县| 肥西县| 和林格尔县| 焦作市| 桐梓县| 营口市| 通渭县| 琼海市| 桑日县| 镇坪县|