产品详情
| 中文名称:4,4'- biphenyl carboxylic acid | 英文名称:4,4'-Biphenyldicarboxylic acid, [1,1'-Biphenyl]-4,4'-dicarboxylicacid |
| CAS:787-70-2 | 有效期: 一年 |
2018-10-16
4,4'- biphenyl carboxylic acid
4,4'-Biphenyldicarboxylic acid, [1,1'-Biphenyl]-4,4'-dicarboxylicacid
RMB
750
一年
CAS No.:787-70-2
4,4'- biphenyl carboxylic acid
English Name: 4,4'-Biphenyldicarboxylic acid, [1,1'-Biphenyl]-4,4'-dicarboxylicacid
Molecular formula: C14H10O4
Molecular weight: 242.23
Appearance: white crystalline powder
The content of (HPLC ) :98.5%, standard 98%
Melting point: 228-229° C
Use: an important organic synthetic intermediate, can be used for wide application in pharmaceutical, organic polymer materials and supramolecular materials and liquid crystal products
The preparation method
1, using biphenyl as raw material, through chloromethylation, chlorination, hydrolysis methods of target compounds;
2, using biphenyl as raw material, through chloromethylation generated 4, 4 ' - two - (chloromethyl ) biphenyl, again with six methyl four amine nucleophilic substitution after hydrolysis of 4, 4 ' - biphenyl two formaldehyde, and then use hydrogen peroxide oxidation and obtained 4, 4 ' - biphenyl two formic acid;
3, to the carboxyl phenylboronic acid and 4-bromobenzoic acid as raw materials, was prepared by Suzuki reaction;
4, to the iodobenzoic acid as raw material, through Zn and three triethylamine formate coupling.
关键字： CAS No.:787-70-2 ，4,4'- biphenyl carboxylic acid
公司简介
Our company is a main raw materials and intermediates, fine chemicals, paint and other products of scientific research, development, production, sales of high-tech enterprises, the company has independent import and export right. Factory is located in the Shenlong Yandi native place, village bells, economic and Technological Development Zone, Suizhou City factory gathers the rich resources, beautiful scenery, convenient traffic. The company gathered a group of Bachelor degree, master, Dr. high-quality practitioners, refine on the research, development, production projects are involved.
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