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 3,4,5-TRIMETHOXYBENZAMIDE
3086-62-2

3,4,5-TRIMETHOXYBENZAMIDE synthesis

11synthesis methods
-

Yield: 90%

Reaction Conditions:

with tert.-butylhydroperoxide;caesium carbonate in water;acetonitrile for 4 h;Reflux;

Steps:

General procedure for the synthesis of substituted benzamide (4a-4j) as exemplified for the synthesis of 3b.
General procedure: To a solution of 4-methoxybenzyl amine (1.0 mmol) and cesium carbonate (1.0 mmol) in 3 mL of CH3CN was added a solution of 70% aqueous TBHP (3.0 mmol) and the mixture was refluxed for 4 h. The mixture was then dried to vacuum and extracted three times with ethyl acetate followed by washing with brine,and dried over anhydrous Na2SO4. Evaporation of the solvent under vacuum afforded the crude product, which was furthur purified by column chromatography using hexane/ethyl acetate mixture and then analyzed by spectroscopy.

References:

Gupta, Sampa;Ansari, Alisha;Sashidhara, Koneni V. [Tetrahedron Letters,2019,vol. 60,# 39,art. no. 151076] Location in patent:supporting information

3,4,5-TRIMETHOXYBENZAMIDE Related Search: