成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
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 Tetraphenylethylene
632-51-9

Tetraphenylethylene synthesis

14synthesis methods
-

Yield:632-51-9 98%

Reaction Conditions:

with iron(III) chloride hexahydrate;P(p-CH3OC6H4)3;sodium carbonate in N,N-dimethyl-formamide at 100; for 24 h;Reagent/catalyst;

Steps:

3.1.1. Classical procedure

General procedure: Procedure A: 0.025 mmol of catalyst, 0.05 mmol of ligand, and 3.125 mmol of base were introduced into a steel tube. Next, 2.5 mmol of halogenobenzene was added together with 2.25 mmol of styrene, and then 3 mL of the solvent was nally added. The steel reactor was placed in a thermostatic oil bath maintained at 100 °C for 24 h. After the reaction, the mixture was cooled and the organic phase was extracted three times with n-hexane or cyclohexane and then with the saturated NaCl solution. The adduct obtained was then dried using Na2SO4, filtered, and placed in a 25-mL ground ask. The solvent was evaporated using a rotary evaporator(Rotavapor). The final adduct was subjected to a TLC thin-layer chromatography test using n-hexane as an eluent and treated with silica gel column chromatography with the same eluent: n-hexane. Finally, the products obtained were analyzed using the usual analysis methods.

References:

Atoui, Dhiab;Sa?d, Khemais;Ben Salem, Ridha [Turkish Journal of Chemistry,2017,vol. 41,# 4,p. 587 - 600]

Tetraphenylethylene Related Search: