Search Results - "Karl E. Bessler"

Hydroximato complexes of boron—the X-ray crystal structures of dicyclohexylammonium bis(benzohydroximato)borate chloroform solvate and tetra- n-propylammonium bis(benzohydroximato)borate by de Figueiredo, Alberthmeiry T, Deflon, Victor M, Bessler, Karl E, Maichle-Mössmer, Cäcilia, Abram, Ulrich

“…Four new alkylammonium bis(benzohydroximato)borates have been prepared and characterized by elemental analysis, IR and 1H NMR spectra. The crystal and…”
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The preparation of new oxoniobium(V) complexes from hydrated Niobium(V) Oxide: the crystal and molecular structure of Oxotris(2-pyridinolato-N-oxide)niobium(V) by Serafím, Maria J. S., Bessler, Karl E., Lemos, Sebastião S., Sales, Maria J. A., Ellena, Javier

“…Three oxoniobium(V) complexes ONbL^sub 3^ with HL = tropolone (1), 2-pyridinol-N-oxide (2) or, 3-hydroxy-1,2-dimethyl-4(1H)-pyridone (3) are obtained in good…”
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A Simple Experiment for Ion Migration by Bessler, Karl E, Campos, Daniel de Oliveira

“…A simple, versatile, and low-cost version of a qualitative ion migration experiment is presented, which needs a minimum amount of chemicals and can be…”
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Os polimorfos de carbonato de cálcio: uma síntese fácil de aragonita The polymorphs of calcium carbonate: an easy synthesis of aragonite by Karl E. Bessler, Laécio C. Rodrigues

“…Aragonite is a metastable polymorph of calcium carbonate. The calcareous exoskeletons of some organisms like corals or molluscs consist essentially of…”
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Os polimorfos de carbonato de cálcio: uma síntese fácil de aragonita by Bessler, Karl E., Rodrigues, Laécio C.

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Organotin Complexes of Alizarin and Purpurin by de Sousa, Adriana T., Bessler, Karl E., Lemos, Sebastia˜o S., Ellena, Javier, Gatto, Claudia C.

“…Five novel organotin complexes with the anthraquinone dyes alizarin (1,2‐dihydroxyanthraquinone) and purpurin (1,2,4‐trihydroxyanthraquinone) were synthesized…”
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Preparation and Characterization of Boron Chelates with Pyridoxine. The Crystal and Molecular Structures of [B(H 2 pdn)(Hpdn)]·H 2 O and [Ph 2 B(H 2 pdn)] (H 3 pdn = Pyridoxine) by de Sousa, Adriana T., Bessler, Karl E., Lemos, Sebastia–o S., Gomes, Fernanda B., Casagrande, Gleison A., Schulz Lang, Ernesto

“…The 1:2 complex of boric acid with pyridoxine ( 1 ) crystallizes from aqueous solution as monohydrate in the triclinic space group ${\rm P}{\bar 1}$ . The…”
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Novel zwitterionic oxorhenium(V) complexes: synthesis, characterization and crystal structure of [ReOX2(Hdhp)(PPh3)] (X = Cl, Br; H2dhp = 2,3-dihydroxypyridine) by Souza, Elizeu J. de, Fernandes, André G. de A., Deflon, Victor M., Bessler, Karl E., Lemos, Sebastião S., Batista, Alzir A., Ellena, Javier, Castellano, Eduardo E., Abram, Ulrich, Hagenbach, Adelheid

“…Two novel zwitterionic oxorhenium(V) complexes, [ReOCl2(Hdhp)(PPh3)] (1) and [ReOBr2(Hdhp)(PPh3)] (2) (H2dhp = 2,3-dihydroxypyridine), were synthesized and…”
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Crystal Structures and Thermal Behavior of Alkaline Earth Tricyanomethanides by Bessler, Karl E., Gatto, Claudia C., Romualdo, Lincoln L., Ellena, Javier A., A. Sales, Maria J. de

“…The alkaline earth tricyanomethanides Mg(tcm) · 2H O, Ca(tcm) , Sr(tcm) ・H O and Ba(tcm) · 2H O were prepared from aqueous solutions of the respective…”
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Preparation and Characterization of Boron Chelates with Pyridoxine. The Crystal and Molecular Structures of [B(H2pdn)(Hpdn)]·H2O and [Ph2B(H2pdn)] (H3pdn = Pyridoxine) by de Sousa, Adriana T., Bessler, Karl E., Lemos, Sebastia-o S., Gomes, Fernanda B., Casagrande, Gleison A., Schulz Lang, Ernesto

“…The 1:2 complex of boric acid with pyridoxine (1) crystallizes from aqueous solution as monohydrate in the triclinic space group ${\rm P}{\bar 1}$. The…”
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An Alternative Method for the Preparation of Diphenylboron Chelates. The Crystal and Molecular Structures of (Pyridine-2-acetyloximato)diphenylboron and (1-Phenylazo-2-naphtholato)diphenylboron by Bessler, Karl E., Dourado, Elisabeth B., de S. Carvalho, Myller, Lemos, Sebastião S., Ellena, Javier

“…A convenient method for the preparation of diphenylboron chelates from ammonium tetraphenylborate is described. A variety of five‐ or six‐membered O,O‐, N,O‐…”
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Preparation, Characterization and Crystal Structure of Lead(II) Tricyanomethanide by Deflon, Victor M., Lopes, Cassia C. de Sousa, Bessler, Karl E., Romualdo, Lincoln L., Niquet, Elke

“…The so far unknown lead tricyanomethanide, Pb[C(CN) , was obtained from a saturated aqueous solution of PbCl and solid AgC(CN) . Its IR spectrum and thermal…”
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Pseudohalides of Main Group Metals: The Alcaline Earth Tricyanomethanides - The Crystal Structures of Calcium and Barium Tricyanomethanide by Bessler, Karl E., Gatto, Claudia C., Romualdo, Lincoln L., Ellena, Javier A., Sales, Maria J. de A.

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Mononuclear and mixed-metal copper(I)—silver(I) complexes containing 2,2 -bibenzimidazole and triphenylphosphane as ligands: crystal structures of [Cu(tmbbimH 2 )(PPh 3 ) 2 ](MeCOO)·0.2C 7 H 8 and [Ag 0.55 Cu 1.45 (μ-bbim)(PPh 3 ) 4 ]·4CH 2 Cl 2 by Lemos, Sebastião S., Deflon, Victor M., Bessler, Karl E., Abbott, Mariana P., Niquet, Elke

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Mononuclear and mixed-metal copper(I)--silver(I) complexes containing 2,2'-bibenzimidazole and triphenylphosphane as ligands: crystal structures of [Cu(tmbbimH2)(PPh3)2](MeCOO)·0.2C7H8 and [Ag0.55Cu1.45([mu]-bbim)(PPh3)4]·4CH2Cl2 by Lemos, Sebastião S, Deflon, Victor M, Bessler, Karl E, Abbott, Mariana P, Niquet, Elke

“…Novel mononuclear [Cu(bbimH^sub 2^)(PPh^sub 3^)^sub 2^](MeCOO) (1), [Cu(tmbbimH^sub 2^)(PPh^sub 3^)^sub 2^](MeCOO)·0.2C^sub 7^H^sub 8^ (2)·0.2C^sub 7^H^sub 8^,…”
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