Chemical Sciences: Recent submissions

Now showing items 971-980 of 1089

Synthesis, crystal structures and properties of three new tetrathiomolybdates with organic ammonium cations

Srinivasan, B.R.; Dhuri, S.N.; Poisot, M.; Naether, C.; Bensch, W. (Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences. 59(10); 2004; 1083-1092.)

Three new tetrathiomolybdates (pipH(2))[MoS4] (1), (trenH(2))[MoS4]. H2O (2) and [(prop)(4)N](2)[MoS4] (3) (pip = piperazine, tren = tris(2-aminoethyl)amine and prop = n-propyl) were synthesized and characterized by elemental ...
The correct formulation of the sulfur transfer reagent benzyltriethylammonium tetracosathioheptamolybdate

Srinivasan, B.R.; Dhuri, S.N.; Naik, A.R. (Tetrahedron Letters. 45; 2004; 2247-2249.)

The recently reported sulfur transfer reagent benzyltriethylammonium tetracosathioheptamolybdate [(PhCH2)N(C2H5)3]6[Mo7S24] [Tetrahedron Lett. 2003, 44, 887] is correctly formulated as benzyltriethylammonium tetrathiomolybdate ...
Does an all-sulphur analogue of heptamolybdate exist?

Srinivasan, B.R. (Journal of Chemical Sciences. 116(5); 2004; 251-259.)

The complexes [MoX4](2-) (M = Mo; X = O or S) exist as the monomeric tetrahedral species in aqueous alkaline solutions. Acidification of tetraoxomolybdate results in the condensation of the tetrahedral units via a series ...
Catalytic reduction of NOx by ammonia over nickel and lanthanum supported on zeolite

Salker, A.V.; Weisweiler, W. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 43(6); 2004; 1167-1171.)

The effects of oxygen and water on the reduction of NO by NH3 over metal supported H-ZSM-5 catalysts have been determined. The catalysts have been prepared by wet impregnation method and characterized by X-ray diffraction ...
Enhanced activity of Pt(HY) and Pt-Ru(HY) zeolite catalysts for electrooxidation of methanol in fuel cells

Samant, P.V.; Fernandes, J.B. (Journal of Power Sources. 125(2); 2004; 172-177.)

The investigation describes the synthesis of Pt and Pt-Ru catalysts by a new method using a HY zeolite support. The catalysts are used to study the anodic oxidation of methanol in an acidic medium to investigate their ...
Thick films of LaNiO3 perovskite structure impregnated with ln and Bi oxides as acetonitrile sensor

Salker, A.V.; Choi, N.J.; Kwak, J.H.; Lee, D.D. (Journal of the Korean Sensors Society. 13(4); 2004; 143-147.)

Thick films of having perovskite structure impregnated with indium and bismuth oxides have been used as sensing material for acetonitrile (CH3CN) gas. The sensor response for CH3CN is quite good with an excellent recovery ...
More insight into the crystal structure of [Co(H2O)(4)(4-nba)(2)]center dot 2H(2)O(4-nba=para-nitrobenzoate): An unprecedented hydrogen bonded supramolecular network

Srinivasan, B.R.; Sawant, S.C.; Das, S.K. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 43(5); 2004; 1066-1075.)

The title complex tetra-aquobis(para-nitrobenzoato)cobalt(II) dihydrate 1 crystallizes in the triclinic space group P (1) over bar with the following unit cell dimensions for C14H20N2CoO14 (M=499.25) a=7.227(5) Angstrom, ...
Zeolite supported iron catalyst for nitric oxide reduction by ammonia in the presence of oxygen

Salker, A.V. (Indian Journal of Chemical Technology. 11(5); 2004; 683-687.)

Iron based H-ZSM-5 catalysts were used to study NO reduction with NH3 in the presence of oxygen with and without humid conditions. The iron based H-ZSM-5 was prepared by wet impregnation method and characterized by X-ray ...
Domino primary alcohol oxidation-Wittig reaction: Total synthesis of ABT-418 and (E)-4-oxonon-2-enoic acid

Shet, J.B.; Desai, V.G.; Tilve, S.G. (Synthesis-Stuttgart. (11); 2004; 1859-1863.)

Domino oxidation of primary alcohols to alpha,beta-unsaturated compounds using the combination of PCC-NaOAc and stabilized Wittig reagent and its application towards total synthesis of ABT-418 and 4-oxonon-2-enoic acid is ...
A highly ortho-selective TiO2 catalyst for the methylation of phenol

Gandhe, A.R.; Fernandes, J.B. (Catalysis Communications. 5(2); 2004; 89-94.)

The investigation describes alkylation of phenol with methanol over an active rutile TiO2 catalyst in relation to a commercial rutile form. The catalysts were characterized by XRD, surface areas and temperature programmed ...

Now showing items 971-980 of 1089

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