30250-06-7Relevant academic research and scientific papers
Synthesis, characterisation and reactivity of 2-functionalised vinylstannanes
Lébl,Hole?ek,Dymák,Steinborn
, p. 86 - 94 (2007/10/03)
The functionalised vinylstannanes of the type (E)/(Z)-Ph3SnCR′=CHYRn and (E)/(Z)-Ph3SnC(YRn)=CHR′ (YRn=NMe2, OEt, SMe, SEt; R′=Ph, Bu (n-butyl), Pe (n-pentyl), H) were prepared by non-catal
Secondary Bonding. Part 15. Influence of Lone Pairs on Co-ordination: Comparison of Diphenyl-Tin(IV) and -Tellurium(IV) Carboxylates and Dithiocarbamates
Alcock, Nathaniel W.,Culver, Jane,Roe, S. Mark
, p. 1477 - 1484 (2007/10/02)
Seven complexes of general type Ph2MX2 with X = carboxylate or dithiocarbamate have been prepared and their molecular structures determined (M = Sn, X = O2CMe, O2CCH2Cl, or S2CNEt2; M = Te, X = O2CCCl3, S2CNEt2, S2CNEtPh, or S2CNPh2).All but one show unsymmetrical bidentate co-ordination by the carboxylate or dithiocarbamate ligands; the tellurium complexes show substantially greater differences between the longer and shorter M-O or M-S distances.The presence of the lone pair transforms the co-ordination geometry from approximately tetrahedral (M = Sn) to pseudo-trigonal bipyramidal (M = Te).Replacing carboxylates by dithiocarbamate has a modest effect when M = Te, but in the tin compound the sulfur ligand co-ordination is almost symmetrical.This contrasts with the unsymmetrical bonding in Me2Sn(S2CNEt2)2.
