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Diphenyl-bis-(phenylethinyl)-zinn, also known as Diphenylbis(phenylethynyl)zinc, is an organozinc compound with the chemical formula Zn(C6H5C≡C)2. It is a colorless, crystalline solid that is sensitive to air and moisture. Diphenyl-bis-(phenylethinyl)-zinn is primarily used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through cross-coupling reactions. It is synthesized by reacting diphenylethyne with zinc metal in the presence of a suitable solvent, such as tetrahydrofuran (THF). Diphenyl-bis-(phenylethinyl)-zinn is a valuable intermediate in the synthesis of various organic compounds, including pharmaceuticals and materials with unique electronic properties. Due to its reactivity, it is typically handled under an inert atmosphere or in a glovebox to prevent unwanted side reactions.

5054-50-2

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5054-50-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5054-50-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,5 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5054-50:
(6*5)+(5*0)+(4*5)+(3*4)+(2*5)+(1*0)=72
72 % 10 = 2
So 5054-50-2 is a valid CAS Registry Number.

5054-50-2Relevant academic research and scientific papers

Transmetalation of tetraalkynyltin compounds with Grignard reagents: Access to mono- and dialkyltin products

Jaumier, Pascale,Jousseaume, Bernard,Lahcini, Mohammed

, p. 402 - 404 (2007/10/03)

Monoalkyltrialkynyl- and dialkyldialkynyltin compounds can be selectively synthesized by transmetalation of tetraalkynyltin compounds with Grignard reagents; an example is given in Equation (1). This reaction provides a route to mono- and dialkyltin compounds that avoids the use of strongly electrophilic reagents. The labile tin-alkynyl bonds allow the transmetalation products to be converted into alkyltin oxides, chlorides, and alkoxides.

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