4324-23-6

Usage

Uses

Used in Organic Chemistry:
Bis(triphenyltin)selenide is used as a reagent for the preparation of symmetrical α-selenoesters. Its mild and selective nature makes it a valuable tool in organic chemistry, allowing for the synthesis of these compounds with minimal side reactions or degradation of the product. This selective reactivity is particularly useful in the development of new pharmaceuticals and other chemical applications where precise control over the reaction is crucial.

Upstream product

• 7782-49-2 selenium 
• 639-58-7 triphenyltin chloride 
• 16940-66-2 sodium tetrahydroborate 

Relevant academic research and scientific papers

Fluorodestannylation. A Powerful Technique to Liberate Anions of Oxygen, Sulfur, Selenium, and Carbon

Fluoride ions smoothly destannylate organotin chalcogenides to liberate nucleophilic chalcogenide ions; hence the first nucleophilic oxide (O2-) and selenide (Se2-) transfer agents are reported where the tin atom serves as "group 16 (VIB) transfer agent".In the presence of crown ethers or ammonium salts, this process results in a new way to generate "naked" nucleophiles.Ethers and selenides are formed in good to excellent yield.In addition, a useful C-C bond-forming reaction has been developed by using alkyltins with aldehydes and acid chlorides in the presence of fluroide ion.Aspects concerning reactivity and mechanism are presented.Finally, the generality of the fluorodestannylation procedure and the differences with parallel silicon chemistry are detailed.

The crystal structure of bis(triphenyltin)telluride and the interpretation of the (119)Sn Moessbauer and nuclear magnetic resonance data of the bis(triphenyltin) and bis(trimethyltin) chalcogenides

The structure of (Ph3Sn)2Te has been determined by X-ray crystallography.The compound crystallizes in the space group C2/c with a=18.578(3) Angstroem, b=7.731(1) Angstroem, c=25.272(4) Angstroem, Β=117.17(1) deg, ρc=1.702 g cm-3, ρo(CHCl3/CH2I2)=1.69 g cm-3, and Z=4.Intensities were measured for 2853 independent reflections (2θw=0.045).The (Ph3Sn)2Te molecule exhibits a bent structure in which Sn-Te-Sn =103.68(2) deg and Te-Sn =2.7266(6) Angstroem and in which the Te atom lies on a crystallographic two-fold axis.Comparison of the present structure with corresponding selenide and sulphide analogues indicates that in all three cases the environment about tin corresponds to that of sp3 hybridisation.The (119)Sn Moessbauer quadrupole splittings of (Ph3Sn)2E, where E = S, Se, or Te, show a correlation with the (119)Sn solution nmr chemical shifts and this correlation is discussed.