169231-40-7

Upstream product

• 540-37-4 p-aminoiodobenzene 
• 134856-57-8 1-[4-[2-(trimethylsilyl)ethynyl]phenyl]-3,3-diethyltriazene 
• 935-14-8 1,4-diethynylbenzene 
• 624-38-4 para-diiodobenzene 
• 66228-76-0 4-(trimethylsilylethynyl)phenylacetylene 
• 155064-31-6 3,3-diethyl-1-(4-ethynylbenzene)-1-triazene 
• 1066-54-2 trimethylsilylacetylene 
• 75867-39-9 4-trimethylsilylethynyl aniline 
• 134856-58-9 1-iodo-4-(trimethylsilylethynyl)benzene 
• 14235-81-5 4-Ethynylaniline 
• 210905-41-2 3,3-diethyl-1-[4-({4-[(trimethylsilyl)ethynyl]phenyl}ethynyl)phenyl]-1-triazene 
• 176977-39-2 1-trimethylsilylethynyl-4-((4-aminophenyl)-ethynyl)benzene 

Downstream Products

• 176977-40-5 C₄₆H₄₆Si₂ 
• 210905-13-8 [1,3,5-benzenetriyltris(2,1-ethynediyl-4,1-phenylene-2,1-ethynediyl-4,1-phenylene-2,1-ethynediyl)]tris(trimethylsilane) 
• 169231-38-3 (C₅H₅)Fe(C₅H₄(CCC₆H₄)2CCSi(CH₃)3) 
• 176977-37-0 [[4-[(4-ethynylphenyl)ethynyl]phenyl]ethynyl]triisopropylsilane 
• 176977-35-8 {[4-({4-[(triisopropylsilyl)ethynyl]phenyl}ethynyl)phenyl]ethynyl}trimethylsilane 

Relevant academic research and scientific papers

An approach to long and unsubstituted molecular wires: Synthesis of redox-active, cationic phenylethynyl oligomers designed for self-assembled monolayers

Various oligo(phenyleneethynylene)s (OPEs) have been synthesized in the past, as they are considered as prototypes of molecular wires. When the oligomers are capped by a redox site at one end and a thiol at the other end, the resulting molecules can be grafted as a self-assembled monolayer on a gold electrode and fully studied by electrochemical techniques. Unfortunately, such molecules are usually poorly soluble and require the incorporation of solubilizing pendant groups. In this paper, we show that the replacement of the classically used redox group ferrocene by a cationic organometallic ruthenium complex, namely, [Ru(bipy)2(ppH)]+ (bipy, 2,2′-bipyridine; ppH, 2-(2′-yl-phenyl)pyridine), allows a concise synthesis of an unsubstituted thioacetate-capped OPE up to four repetitive units long. The positive charge does not interfere with the conventional organic chemistry used to elongate, purify, or characterize the hexafluorophosphate salts of the molecules. To our knowledge, this represents the first family of long, poorly substituted OPEs designed for self-assembly.

Compound has the negative light dispersion, negative dispersion of this compound-containing composition and containing the composition for preparing anisotropic optical (by machine translation)

The invention relates to a kind of reverse wdxrf compound, containing the compound reverse of wavelength dispersion composition and containing the optical anisotropic body. According to the present invention the reverse of wavelength dispersion composition is capable of providing a stronger and more stable reverse wdxrf nature, and can offer excellent optical performance of the optical anisotropic body. (by machine translation)

COMPOUNDS HAVING NEGATIVE OPTICAL DISPERSION, NEGATIVE OPTICAL DISPERSION COMPOSITION COMPRISING THE COMPOUNDS, AND OPTICALLY ANISOTROPIC BODY COMPRISING THE COMPOSITION (As Amended)

The present invention relates to a reverse wavelength dispersion compound, a reverse wavelength dispersion composition including the same, and an optically anisotropic body including the same. The reverse wavelength dispersion composition according to the present invention can provide a stronger and more stable reverse wavelength dispersion property, and makes it possible to provide an optically anisotropic body having excellent optical properties.

COMPOSITION FOR MANUFACTURING OPTICAL ELEMENTS WITH NEGATIVE OPTICAL DISPERSION AND OPTICALLY ANISOTROPIC BODY MANUFACTURED THEREFROM

The present invention relates to a composition for manufacturing optical elements with negative optical dispersion, and an optically anisotropic body prepared therefrom. According to the present invention, the optically anisotropic body showing stable reverse wavelength dispersion can be prepared more simply by using the composition for optical elements, and it is possible to apply the same to liquid crystal display devices as an optical film such as a thin-layer broadband λ/4 plate.

Modular Synthesis of Benzene-Centered Porphyrin Trimers and a Dendritic Porphyrin Hexamer

Rigid, star-shaped D3-symmetric arrays have been synthesized in which three porphyrin macrocyeles are attached to the 1,3, and 5 positions each of a benzene core through linkers consisting of collinear repetitive phenylethynyl units. Using the

Sequential catalytic synthesis of rod-like conjugated poly-ynes

Several poly-ynes X-[C ≡ C-C6H4-](n)C ≡ C-Si(i)Pr3 (X = H, SiMe3) with controlled length (n = 1, 2, 3, 4) have been prepared from the easily accessible 4-trimethylsilylethynyl iodobenzene by using iterative and convergent methods based on both Pd/Cu catalysed C-C cross-coupling and selective desilylation reactions.