The nucleophile [ArTe −] generated in situ borohydride solution of Ar 2Te 2, reacts with 2-(chloromethyl) tetrahydrofuran and 2-(2-bromoethyl)-1,3-dioxolane resulting in L 1 and L 2, respectively. The complexes of palladium(II) and platinum(II) with L 1/L 2 having stoichiometries [MCl 2·L 2], [ML 2](ClO 4) 2, [(DPPE)ML 2](ClO) 4) 2, [(PPh 3) 2ML 2](ClO 4) 2 and [(phen)ML 2](ClO 4) 2 (where L = L 1/L 2 DPPE = Ph 2PC H 2CH 2PPh 2, phen = 1,10-phenanthroline and M = Pd/Pt) have been synthesized. IR, 1H, 125Te{ 1H} and 31P{ 1H} NMR and UV-vis spectral data of these species in conjunction with their molar conductance and molecular weight data have been used to authenticate the new species. In all complexes ( 1–20) the ligands L 1 and L 2 are coordinated through tellurium and in the complexes of formula [ML 2](ClO 4) 2 (M = Pd, Pt) the ligand is bidentate with the oxygen atom used in complexation. In solution, complexes PtCl 2L 2 exist as a mixture of cis and trans isomers whereas only the trans isomer was observed for the palladium analogues. The [(phen)PdL 2](ClO 4) 2(Q) quenches 1O 2 readily. The plot of log [Q] vs time is linear. Mechanism compatible with the experimental observations is proposed.