天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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 1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane
56-33-7

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane synthesis

13synthesis methods
-

Yield: 81% , 24%

Reaction Conditions:

with iron(III) oxide;ethyl chloromethyl ether in chloroform at 20; for 4 h;Schlenk technique;Inert atmosphere;Reagent/catalyst;

Steps:

21; 24; 25; 26 Example 1
General procedure: Cobalt chloride · THF 1.5 (2.4 mg, 5 mol%) was placed in a Schlenk tube in an argon atmosphere glove box. Then dichloromethane (2 mL),Ethoxydimethylphenylsilane (40 μL, 0.2 mmol) and chloromethyl methyl ether (46 μL, 0.6 mmol) were added and stirred at room temperature (20 ° C.) for 1 hour.Thereafter, it was filtered through a glass fiber filter (ADVANTEC, GA-100) and washed with dichloromethane. The filtrate was taken out of the glove box and concentrated under high vacuum. After mesitylene (internal standard, 8 μL, 0.0575 mmol) was added, 1 H NMR (CDCl 3) was measured to show that chlorodimethylphenylsilane was produced in a 70% yield.confirmed.

References:

National Inatitute of Advance Industrial;Mashima, Kazushi;Tsurugi, Hayato;Pramanik, Suman;Matsumoto, Kazuhiro JP2019/85367, 2019, A Location in patent:Paragraph 0028; 0031; 0032

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane Related Search: