19429-30-2Relevant articles and documents
Molecular Dynamics within Diorganotin Systems: Solution and Solid State Studies of New Mixed Distannoxane Dimers [tBu2(Cl)SnOSn(Cl)R2]2
Dakternieks, Dainis,Jurkschat, Klaus,Van Dreumel, Serena,Tiekink, Edward R.T.
, p. 2023 - 2029 (1997)
Di-tert-butyltin oxide, (tBu2SnO)3, reacts with R2SnCl2 to give mixed distannoxanes [tBu2(Cl)SnOSn(Cl)R2]2 (1, R = Me; 2, R = Et; 3, R = iPr; 4, nBu) whereas di-tert-butyltin hydroxide chloride, [tBu2Sn(OH)Cl]2, reacts with [nBu2SnO]n to give the chlorohydroxydistannoxane [tBu2(OH)SnOSn(Cl)nBu2]2, 5; the dimeric nature of these tetraorganodistannoxanes was confirmed by crystal structure determinations of 1 and 4. Although stable in the solid state, compounds 1-4 rearrange to give a number of distannoxanes in solution. Addition of R2SnCl2 (R = Me, iPr, nBu) to solutions of 1, 3, and 4, respectively, causes displacement of tBu2SnCl2 with concomitant formation of [(tBu2SnCl2)(R2SnO) 2(R2SnCl2)] and [(R2SnCl2)(R2SnO)2(R 2SnCl2)]. Thus 1-4 can be regarded as (R2SnO)2 units which are stabilized by two tBu2SnCl2 molecules. NMR data indicate that reaction between (1Bu2SnO)3 and tBu2SnCl2 gives rise to an equilibrium involving linear [tBu2Sn(Cl)OSn(Cl)tBu2] and the novel three-quarter ladder compound [tBu2SnCl2][tBu2SnO] 2. Formation of trinuclear tin species is also evident from electrospray mass spectrometric studies.
HYDROXID-HALOGENID-VERBINDUNGEN DES DI-t-BUTYL-SUBSTITUIERTEN ZINNS
Puff, Heinrich,Hevendehl, Heide,Hoefer, Kornelia,Reuter, Hans,Schuh, Willi
, p. 163 - 178 (1985)
The di-t-butyltin hydroxide halides t-Bu2Sn(OH)X (X = F, Cl or Br) have been prepared starting from the dihalides t-Bu2SnX2 or the oxide (t-Bu2SnO)3.X-Ray analysis of the three compounds show dimeric molecules: two 5-coordinated tin atoms and the oxygen atoms of the hydroxyl groups are linked to a four-membered ring.As confirmed by the IR spectra, the molecules in the crystal are held together by O-H...X hydrogen bonds.These are strong in the hydroxide fluoride but are weak in the analogous chloride and bromide.
Reaction between tBuMgCl and SnCl4, illustrating the solvent-dependent predominant formation of Cl(tBu2Sn) nCl (THF, n = 1; Toluene, n = 2; Hexane, n = 3) and the subsequent wavelength-selective photochemical transformation of n = 3 → 2 → 1
Sharma, Hemant K.,Miramontes, Alma,Metta-Magana, Alejandro J.,Pannell, Keith H.
, p. 4501 - 4504 (2011/11/05)
The addition of THF solutions of tBuMgCl to SnCl4 in varying solvents (S) results in a dramatic change of the predominant product obtained Cl(tBu2Sn)nCl (n = 1-3). For S = THF the product obtained was tBu2SnCl2, S = toluene, benzene yields Cl(tBu2Sn)2Cl, while for S = hexane the tristannane Cl(tBu2Sn)3Cl was isolated in 45% yield. The last compound is photochemically sensitive when irradiated at 350 nm to form Cl(tBu2Sn)2Cl. Irradiation of this latter material with a 254 nm lamp results in the formation of tBu2SnCl2.
Lewis acid effects on selectivity in nickel-catalyzed pentenenitrile hydrocyanation. Triorganotin salts as tunable lewis acid promoters
McKinney, Ronald J.,Nugent, William A.
, p. 2871 - 2875 (2008/10/08)
Anhydrous triorganotin salts, R3SnX, have been synthesized and utilized in exploring steric and electronic effects on selectivity in nickel-catalyzed pentenenitrile hydrocyanation. Steric effects are found to dominate the selectivity in the com
