N′,N″,N‴ tris(2-pyridyloxymethyl) ethane (TPOME) has been used as an ionophore in a polyvinylchloride (PVC)-based membrane. Membrane electrode with a composition 30:5:62:3 (PVC:TPOME: o-NPOE:NaTPB) exhibits Nernstian response towards Pb(II) ions with a slope of 30mV/decade, over a concentration range of $1 \times 10^{−5}$ M to $1 \times 10^{−1}$ M. Potential response remains almost unchanged over pH range of 3.7-6.4. The electrode shows fast response time of $15 \pm 2$ s and a lifetime of four months. It shows good selectivity for Pb(II) ions over other mono-, di- and trivalent cations. Electrode response is satisfactory in mixed solvent media up to 30% (v/v) non-aqueous contents. Selectivity of the ionophore for Pb(II) ions was determined by spectrophotometric method. The electrode can also be used as an indicator electrode in potentiometric titration of Pb(II) ions with standard chromate solution and its determination in real-life samples. Surface morphology of membrane electrode at different stages of its development and use is also discussed.

The bisphosphomide-based pincer complex [PdBr{2,6-{Ph₂PC(O)}₂(C₆H₃)}] (2) has shown very high catalytic activity in Suzuki-Miyaura cross coupling reaction under microwave irradiation for a variety of aryl bromides and aryl boronic acids. The complex showed the same efficiency for gram scale reactions.

The reactions of p-diphenylphosphinobenzoic acid (LCOOH) with various organotin precursors have been carried out. Accordingly, the reaction of [n-BuSn(O)(OH]_n with LCOOH afforded the hexameric compound, [n-BuSn(O)O₂C–C₆H₄–p-PPh₂]₆(1). On the other hand, the reaction of LCOOH with [n-Bu₂SnO]_n gave the tetrameric compound [{n-Bu₂SnO₂C–C₆H₄–p-PPh₂}₂O]₂ (2). The 1-D coordination polymers [R₃SnO₂C–C₆H₄–p-P(O) Ph₂]_n,[ R=n-Bu (3), R=Ph (4)] were prepared in the reaction of [n-Bu₃Sn]₂O or [Ph₃Sn]₂O with LCOOH. The compounds 1–4 were structurally characterized by multinuclear NMR spectroscopic and single crystal X-ray diffraction studies