7168-54-9

Basic information

• Product Name: 4,4'-DIETHOXYBIPHENYL
• Synonyms: 4,4'-DIETHOXYDIPHENYL;4,4'-DIETHOXYBIPHENYL;4,4'-DIPHENETOL;Diethoxybenzene;4,4''-DIETHOXYBIPHENYL 99+%;4,4'-Diethoxybiphenyl;4,4'-Bi(phenetole);4,4'-Biphenetole
• CAS NO: 7168-54-9
• Molecular Formula: C₁₆H₁₈O₂
• Molecular Weight: 242.31
• Product Categories: Biphenyl & Diphenyl ether;Biphenyls (Building Blocks for Liquid Crystals);Biphenyls (for High-Performance Polymer Research);Building Blocks for Liquid Crystals;Functional Materials;Reagent for High-Performance Polymer Research
• Mol File: 7168-54-9.mol
• Article Data: 14

Chemical Properties

• Melting Point: 176 °C
• Boiling Point: 366.7 °C at 760 mmHg
• Flash Point: 143.1 °C
• Appearance: /
• Density: 1.027 g/cm³
• CAS DataBase Reference: 4,4'-DIETHOXYBIPHENYL(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4'-DIETHOXYBIPHENYL(7168-54-9)
• EPA Substance Registry System: 4,4'-DIETHOXYBIPHENYL(7168-54-9)

Safety Data

• Hazardous Substances Data: 7168-54-9(Hazardous Substances Data)

Usage

General Description

4,4'-DIETHOXYBIPHENYL is a chemical compound with the molecular formula C14H16O2. It is a colorless, crystalline solid that is commonly used in the production of liquid crystal displays and as a heat transfer medium in cooling systems. 4,4'-DIETHOXYBIPHENYL has a wide range of industrial applications, including in the manufacturing of various consumer electronics and in the automotive industry. It is also used as a chemical intermediate in the production of dyes and pharmaceuticals. This chemical is considered to be relatively stable and has low toxicity, making it suitable for use in diverse industrial processes. However, it is important to handle and store 4,4'-DIETHOXYBIPHENYL with care to prevent adverse health and environmental effects.

Upstream product

• 699-08-1 1-ethoxy-4-iodobenzene 
• 383-35-7 ethyldifluorophenylsilane 
• 135263-37-5 bis(4-ethoxyphenyl) methylphosphonate 
• 135263-38-6 bis(4-ethoxyphenyl) ethyl phosphate 
• 588-96-5 4-bromoethoxybenzene 
• 107-05-1 3-chloroprop-1-ene 
• 91-16-7 1,2-dimethoxybenzene 
• 103-73-1 Phenetole 
• 5422-50-4 1-bromo-(2-methylphenoxymethyl)benzene 
• 22237-13-4 (4-ethoxyphenyl)boronic acid 
• 90591-48-3 tris-(4-ethoxy-phenyl)-bismuthine 
• 77295-66-0 2-(2,2-dibromovinyl)thiophene 
• 100074-10-0 2,2-dibromovinyl-2-furan 
• 1003-09-4 2-bromothiophene 

Relevant articles and documents

Stable Fe(ii)-based coordination polymers: Synthesis, structural diversity and catalytic applications in homo-coupling reactions

Herein, we synthesize three new stable Fe(ii) coordination polymers, {[Fe3(tttmb)4(OH)(NCS)5]2CH3OH·H2O}n (1), {[Fe3(tttmb)4(NCS)6]·3H2O}n (2), and {[Fe3(tttmb)2Cl6(H2O)6]·5H2O}n (3) (tttmb = 1,3,5-tris(triazole-1-ylmethyl)-2,4,6-trimethyl-benzene) under the regulation of KSCN and solvents and use them as green heterogeneous catalysts in aryl homo-coupling reactions. The catalytic experiments show that 1 and 3 exhibit high efficiency for aryl homo-coupling reactions under an air environment with a yield of up to 80%. Furthermore, the crystal structure analysis reveals that 1 and 3 have coordinated water molecules and OH-, which are easily removed from the host materials during the reactions. In contrast, no unsaturated coordination sites are generated in 2 during the reaction process. In addition, the variable temperature magnetic susceptibilities of 1-3 prove that the metal centers of these polymers are bivalent and all of them exhibit a weak antiferromagnetic effect.

Pd-catalyzed cross-coupling study of bi-functional 3-bromo-4-trifloxycoumarins with triarylbismuth reagents

Abstract The cross-coupling reactions of functionalized 3-bromo-4-trifloxycoumarins have been explored with threefold arylating triarylbismuth reagents. These palladium-catalyzed reactions afforded chemo-selective C-4 arylations with the facile formation of 3-bromo-4-arylcoumarins in good to high yields. Additionally, palladium-catalyzed arylations of functionalized 3-bromo-4-arylcoumarins also participated in the second arylation to give functionalized 3,4-diarylcoumarins in high yields.

Pd-catalyzed chemo-selective mono-arylations and bis-arylations of functionalized 4-chlorocoumarins with triarylbismuths as threefold arylating reagents

Cross-coupling reactions of differently substituted 4-chlorocoumarins were studied under palladium catalysis using triarylbismuths as threefold arylating reagents. The high reactivity of 4-chlorocoumarins was demonstrated delivering mono- and bis-arylation products in a chemo-selective manner. The reaction conditions employed are simple, robust and the threefold coupling reactivity of triarylbismuth reagents was witnessed with good to high yields in 2-4 h conditions. The utility of the methodology was explored in the synthesis of a few natural occurring neoflavones (3.27-3.30). In addition, the 4-arylcoumarin 3.1 product is a useful precursor for the preparation of (R)-tolterodine.