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

ChemicalBook--->CAS DataBase List--->890042-13-4

890042-13-4

890042-13-4 Structure

890042-13-4 Structure
IdentificationBack Directory
[Name]

4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane
[CAS]

890042-13-4
[Synonyms]

(Triphenylen-2-yl)boronic acid pinacol ester
(Triphenylene-2-yl) boronic acid pinacol ester
1,3, 2-Dioxaborane-4,4,5,5-tetramethyl-2-(2-triphenylene)
2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)triphenylene
4,4,5,5-TetraMethyl-2-triphenylen-2-yl-[1,3,2]dioxaborolane
1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(2-triphenylenyl)-
4,4,5,5-TetraMethyl-2-triphenylen-2-yl-[1,3,2]dioxaborolane (TPE)
4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane
[Molecular Formula]

C24H23BO2
[MDL Number]

MFCD26401844
[MOL File]

890042-13-4.mol
[Molecular Weight]

354.249
Chemical PropertiesBack Directory
[Melting point ]

174.0 to 178.0 °C
[Boiling point ]

544.9±19.0 °C(Predicted)
[density ]

1.16±0.1 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,Room Temperature
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P280-P301+P312-P302+P352-P305+P351+P338
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Bis(pinacolato)diboron-->2-bromobenzo[9,10]phenanthrene
[Preparation Products]

2-(3-Bromophenyl)triphenylene
Hazard InformationBack Directory
[Uses]

4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly for laboratory research and development Process and chemical production process.
[Synthesis]

Synthesis_890042-13-4
In a nitrogen atmosphere, 100 g (326 mmol) of 2-bromotriphenylene was dissolved in dimethylformamide(Pinacolato diboron) 99.2 (manufactured by Wako Pure Chemical Industries, Ltd.) was dissolved in 1,000 mL of dimethylformamide (DMF)G (391 mmol) and 1,1'-bis (diphenylphosphine) ferrocene) dichloropalladium (II) (1,1-Bis (diphenylphosphine) ferrocene) dichloropalladium (II)) 2.66 g (3.26 mmol) and potassium acetate 80 g (815 mmol) of potassium acetate were added and the mixture was refluxed by heating at 150 DEG C for 5 hours. After completing the reaction,Water was added to the solution, the mixture was filtered, and then dried in a vacuum oven. The thus obtained residue was purified by flash column chromatographyTo obtain 113 g (98%) of the compound I-1. HRMS (70 eV, EI +): m / z Calcd for C24H23BO2: 354.1791, found
890042-13-4 suppliers list
Company Name: Hebei Xinsheng New Material Technology Co., LTD.
Tel: +86-16632316109 , +86-16632316109
Website: www.xsmaterial.com/admin/
Company Name: Springchem New Material Technology Co.,Limited
Tel: +86-021-62885108 +8613917661608 , +8613917661608
Website: http://www.spring-chem.com/
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
Website: https://www.dakenchem.com/
Company Name: Beijing Green Guardee Technology Co., Ltd
Tel: 86-010-69706062
Website: www.gg-oled.com
Company Name: Beijing Yanhua Jilian Opto-Electronic Technology Co., Ltd.
Tel: (+86)13146479469
Website: www.yunjiopto.com
Company Name: BAYNOE CHEM CO.,LTD
Tel: +86-21-34783353 +8615000719740 , +8615000719740
Website: www.baynoe.com
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com
Company Name: Richest Group Ltd
Tel: 18017061086
Website: www.approvedhomemanagement.com/ShowSupplierProductsList664261/0.htm
Company Name: Zhengzhou Alfa Chemical Co.,Ltd
Tel: +8618530059196 , +8618530059196
Website: http://www.approvedhomemanagement.com/manufacturer/zhengzhou-alfa-chemical-276/
Company Name: Qingdao jingmu new material technology co., ltd
Tel: 0532-83311661 18561361393 , 18561361393
Website: www.approvedhomemanagement.com/ShowSupplierProductsList386579/0.htm
Company Name: Shanghai UCHEM Inc.
Tel: +862156762820 +86-13564624040 , +86-13564624040
Website: http://www.myuchem.com/
Company Name: Hefei Hirisun Pharmatech Co., Ltd
Tel: +8615056975894 , +8615056975894
Website: www.hirisunpharm.com
Company Name: Yurui (Shanghai) Chemical Co., Ltd.
Tel: +86-021-50456736 +8613761615711 , +8613761615711
Website: www.riyngroup.com/
Company Name: Sholon Chem-Tech Co.,Ltd
Tel: +8619901505185 , +8619901505185
Website: https://www.trusyn.com.cn/
Company Name: LEAP CHEM CO., LTD.
Tel: +86-852-30606658
Website: www.leapchem.com
Company Name: Hebei Weibang Biotechnology Co., Ltd
Tel: +8617732866630 , +8617732866630
Website: www.weibangbio.com
Company Name: Shaoxin Catsyn Co., Ltd.
Tel: +undefined-0575-82040869 +86-0575-82040869; , +86-0575-82040869;
Website: https://www.catsyn.com/
Company Name: Zhengzhou Anbu Chem Co.,Ltd
Tel: +86-0371-88006763; +8615988602810 , +8615988602810
Website: https://www.finechemical.net
Tags:890042-13-4 Related Product Information
25015-63-8 14774-37-9 134234-12-1