Category: 21711-56-8

Application of 21711-56-8, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 21711-56-8, name is 4,4”-Dichloro-1,1′:2′,1”-terphenyl, This compound has unique chemical properties. The synthetic route is as follows.

A nitrogen stream under preparation example 1 in synthetic a-1(20.0 g, 66.85 mmol), Preparation Example 2 in the synthesized a-2(17.40 g, 66.85 mmol), Pd (OAc) 2 (1.50 g, 6.69 mmol), NaOtBu (16.06 g, 167.12 mmol), P (tBu)3 (2.70 g,13.37 mmol) to 400ml of xylene to 150 C at 24 hours into dongan stirring. After completion of the reaction, and extracted with methylene chloride and concentrated under reduced pressure to give the b-1 30.9 g purified by column chromatography

The chemical industry reduces the impact on the environment during synthesis 4,4”-Dichloro-1,1′:2′,1”-terphenyl. I believe this compound will play a more active role in future production and life.

Reference:
Patent; Doosan Corporation; Cho, Hung Sang; Kim, Chung Han; Park, Ho Chul; Lee, Chang Jun; Sin, Jin Yong; Lee, Jae Hun; Baek, Young Mi; (19 pag.)KR2016/104607; (2016); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 21711-56-8 as follows. Product Details of 21711-56-8

Under a nitrogen stream, a-1 (20.0 g, 66.85 mmol) synthesized in Preparation Example 1, A-2 (17.40 g, 66.85 mmol) synthesized in Preparation Example 2,Pd (OAc) 2 (1.50 g, 6.69 mmol),NaOtBu (16.06 g, 167.12 mmol) and P (t-Bu) 3 (2.70 g, 13.37 mmol) were placed in 400 ml of xylene and stirred at 150 degree For 24 hours. After completion of the reaction, the mixture was extracted with methylene chloride, concentrated under reduced pressure, and 30.9 g of b-1 was obtained by column chromatography.

According to the analysis of related databases, 21711-56-8, the application of this compound in the production field has become more and more popular.

Reference:
Patent; DOOSAN CORPORATION; Jo, Hung Sang; KIM, Chung Han; PARK, Ho Chul; LEE, CHANG JUN; SIN, JIN YONG; LEE, JAE HUN; Baek, Young Mi; (18 pag.)KR2015/103949; (2015); A;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics