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Tris(phenylethynyl)phenylsilane is a complex organic compound with the chemical formula C30H20Si. It is a derivative of phenylsilane, where three phenylethynyl groups are attached to the silicon atom. tris(phenylethynyl)phenylsilane is characterized by its unique structure, featuring a central phenyl ring with three ethynyl-phenyl groups extending outwards. It is known for its stability and is often used in the synthesis of various organic compounds, particularly in the field of materials science for the creation of novel polymers and other advanced materials. The compound's properties, such as its electronic structure and reactivity, make it a valuable intermediate in organic synthesis and a subject of interest in chemical research.

18866-47-2

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18866-47-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18866-47-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,6 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18866-47:
(7*1)+(6*8)+(5*8)+(4*6)+(3*6)+(2*4)+(1*7)=152
152 % 10 = 2
So 18866-47-2 is a valid CAS Registry Number.

18866-47-2Relevant academic research and scientific papers

Synthesis, characterization, and non-isothermal curing kinetics of two silicon-containing arylacetylenic monomers

Tan, Dexin,Shi, Tiejun,Li, Zhong

, p. 831 - 845 (2011)

Vinyltri(phenylethynyl)silane ((ph-C≡C)3-Si-C=CH 2; VTPES) and phenyltri(phenylethynyl)silane ((ph-C≡C) 3-Si-ph; PTPES) were synthesized by Grignard reaction. Their molecular structures were characterized by means of

Dehydrogenative silylation of terminal alkynes with hydrosilanes under zinc-pyridine catalysis

Tsuchimoto, Teruhisa,Fujii, Masakazu,Iketani, Yoshihiko,Sekine, Masaru

supporting information, p. 2959 - 2964 (2013/01/15)

A combination of zinc triflate and pyridine in a nitrile medium was found to act as an effective catalytic system for dehydrogenative silylation with flexible pieces of terminal alkynes and hydrosilanes, thereby producing diverse alkynylsilanes in high to

Alkynylsilanes and alkynyl(vinyl)silanes. synthesis, molecular structures and multinuclear magnetic resonance study

Wrackmeyer, Bernd,Khan, Ezzat,Bayer, Stefan,Tok, Oleg L.,Klimkina, Elena V.,Milius, Wolfgang,Kempe, Rhett

experimental part, p. 725 - 744 (2011/01/11)

Alkynylsilanes bearing one to four alkynyl groups at silicon, with organyl groups (Me, Ph, Vin), H, Cl at silicon, and with substituents H, nBu, tBu, Ph, C6H4-4-Me, 3-thienyl, CH 2NMe2 at t

Dehydrogenative coupling between hydrosilanes and alkynes catalyzed by alkoxides, alkylmetals, and metalamides

Ishikawa, Jun-Ichi,Itoh, Masayoshi

, p. 454 - 461 (2007/10/03)

The selective dehydrogenative coupling reaction between phenylsilane and ethynylbenzene occurred in the presence of some homogeneous base catalysts such as alkoxides, alkyl compounds, and the amides of alkali metals or barium. The order of the catalytic activities was Ba(OR)2 > LiN(SiMe3)2 ~ n -BuLi > LiOEt. Barium alkoxide showed the highest activity and selectivity for the reaction, and gave the polymer poly[(phenylsilylene)ethynylene-1,3-phenyleneethynylene] in the reaction of phenylsilane with m-diethynylbenzene. The correlation between the catalytic activities and the catalyst basicities was discussed, and a reaction mechanism involving both the metal acetylide and the metal hydride was proposed.

Copper(I) chloride catalyzed cross-dehydrocoupling reactions between silanes and ethynyl compounds. A new method for the copolymerization of silanes and alkynes

Liu, Hua Qin,Harrod, John F.

, p. 1100 - 1105 (2007/10/02)

In the presence of an amine, copper(I) chloride is an effective catalyst for the cross-dehydrocoupling of silanes with alkynes.The reactions proceed at useful rates above 100 deg C, but rates drop dramatically on going from 1o to 2o

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