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 5-BROMOMETHYL-1,2,3-TRIMETHOXY-BENZENE
21852-50-6

5-BROMOMETHYL-1,2,3-TRIMETHOXY-BENZENE synthesis

10synthesis methods
3,4,5-Trimethoxybenzyl alcohol

3840-31-1

5-BROMOMETHYL-1,2,3-TRIMETHOXY-BENZENE

21852-50-6

General method: 3,4,5-trimethoxybenzyl alcohol (1 mmol) was dissolved in anhydrous benzene (15 mL), phosphorus tribromide (0.5 mL) was added and the reaction was stirred at room temperature. Upon completion of the reaction, 3,4,5-trimethoxybenzyl bromide was obtained in quantitative yield by a conventional post-treatment step.

-

Yield: 100%

Reaction Conditions:

with phosphorus tribromide in benzene at 20;

Steps:

Step-II (Preparation of benzyl bromides)
General procedure: benzyl alcohols (1 mmol) in dry benzene (15 mL) and phosphorus tribromides (0.5 mL) and stirred at room temperature to get respective benzyl bromides in quantitative yields, usual work-up.

References:

Parihar, Swati;Kumar, Amit;Chaturvedi, Amit K.;Sachan, Naresh Kumar;Luqman, Suaib;Changkija, Bendangla;Manohar, Murli;Prakash, Om;Chanda;Khan, Feroz;Chanotiya;Shanker, Karuna;Dwivedi, Anila;Konwar, Rituraj;Negi, Arvind S. [Journal of Steroid Biochemistry and Molecular Biology,2013,vol. 137,p. 332 - 344]

5-BROMOMETHYL-1,2,3-TRIMETHOXY-BENZENE Related Search: