Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Arturo Silvestri"'
Autor:
Giampaolo Barone, Giuseppe Ruisi, Clelia Di Salvo, Domenico Schillaci, M. Assunta Girasolo, Arturo Silvestri
Publikováno v:
Journal of Organometallic Chemistry. 691:693-701
The heterocyclic ligands [1,2,4]triazolo-[1,5-a]pyrimidine (tp) and 5,7-dimethyl-[1,2,4]triazolo-[1,5-a]pyrimidine (dmtp), react with diorganotin dichlorides giving the addition compounds Me2SnCl2(tp)2, Et2SnCl2(tp)2, Me2SnCl2(dmtp)2, Et2SnCl2(dmtp)2
Autor:
M. Assunta Girasolo, Giuseppe Ruisi, Giampaolo Barone, Domenico Schillaci, Clelia Di Salvo, Arturo Silvestri
Publikováno v:
Journal of Organometallic Chemistry. 690:4773-4783
Tri-organotin(IV) complexes of the triazolo-pyrimidine derivatives 4,5-dihydro-5-oxo-[1,2,4]triazolo-[1,5 a ]pyrimidine (5HtpO), 4,7-dihydro-5-methyl-7-oxo-[1,2,4]triazolo-[1,5 a ]pyrimidine (HmtpO), and 4,5,6,7-tetrahydro-5,7-dioxo-[1,2,4]triazolo-[
Publikováno v:
Chemistry - A European Journal. 11:6185-6191
DFT calculations, using an all-electron basis set and with full geometry optimization, were performed on 34 Sn(II) and Sn(IV) compounds of known structure and (119)Sn Mössbauer parameters, to obtain the theoretical values of the electric field gradi
Publikováno v:
Hyperfine Interactions. 126:43-46
Ethanol solutions of AlknSnCl4−n (Alk = Me, Et; n = 1–3) added to aqueous calf thymus DNA provoke DNA condensation (even in the presence of added cysteine) possibly through charge neutralization of DNA phosphodiesters by organotin(IV) cations. Th
Autor:
Adriana Barbieri Paulsen, Giampaolo Barone, Renato Barbieri, Giuseppe Ruisi, Mario Rossi, Arturo Silvestri, Friedo Huber
Publikováno v:
Applied Organometallic Chemistry. 13:595-603
Complexes Me2SnCl(SPy) and Me2SnCl(SPym) (HSPy = 2-mercaptopyridine; HSPym = 2-mercaptopyrimidine), from ethanol solutions, interact with aqueous calf-thymus DNA yielding condensed phases with probable Me2Sn(SPy,SPym) (DNA monomer) stoichiometries of
Autor:
Markus Schürmann, Renato Barbieri, Maria Assunta Girasolo, Arturo Silvestri, Giuseppe Ruisi, Adriana Barbieri Paulsen, Friedo Huber
Publikováno v:
Journal of Organometallic Chemistry. 584:293-300
The crystal and molecular structure of (o-ClC6H4CH2)4Sn has been determined by X-ray crystallography. Tin is in a slightly distorted environment. The molecular dynamics of (p-ClC6H4)4Sn, (o-ClC6H4)4Sn and (o-ClC6H4CH2)4Sn have been investigated by va
Autor:
Ralf Schmiedgen, Renato Barbieri, Adriana Barbieri Paulsen, Markus Schürmann, Arturo Silvestri, Giuseppe Ruisi, Friedo Huber
Publikováno v:
Journal of Organometallic Chemistry. 584:103-117
Complexes RSn(O2CPy)3·2H2O and RSn(Ox)3, (PyCOOH=pyridine-2-carboxylic acid, HOx=8-hydroxyquinoline, R=o- and p-Tolyl, o- and p-ClC6H4=o- and p-ClPh, o-ClC6H4CH2=o-ClBenzyl; besides, R=Ph in RSn(Ox)3) have been synthesized and characterized by eleme
Autor:
Friedo Huber, Ralf Schmiedgen, Renato Barbieri, Mario Rossi, Arturo Silvestri, Giuseppe Ruisi
Publikováno v:
Applied Organometallic Chemistry. 12:861-871
The complexes formed between the diorganotin(IV) moieties, R 2 Sn(IV), and the ligand 2-mercaptopyrimidine, (H)SPym, were investigated. Complexes R 2 SnHal(SPym) and R 2 Sn(SPym) 2 [R = Me, i Pr, n Bu, i Bu, t Bu, cyclohexyl(Cy), Ph] were synthesized
Autor:
Arturo Silvestri, Friedo Huber, Giusseppe Ruisi, Markus Schürmann, Ralf Schmiedgen, Renato Barbieri
Publikováno v:
Applied Organometallic Chemistry. 11:869-888
Mono-organotin(IV) and tin(IV) derivatives of 2-mercaptopyridine (HSPy) and 2-mercaptopyrimidine (HSPym), RSnL 3 (R=Me, n-Bu, Ph; L=SPy, SPym; R=Bz=benzyl, o-CIBz, oClC 6 H 4 , p-ClC 6 H 4 , o-tolyl, p-tolyl; L=SPy), RSnCIL 2 (R=Me, n-Bu, Ph; L=SPy,
Autor:
Alfred X. Trautwein, Berthold F. Matzanke, Renato Barbieri, Marcello Giomini, Anna Maria Giuliani, Umberto Russo, Francesca Capolongo, Arturo Silvestri
Publikováno v:
Journal of Inorganic Biochemistry. 65:115-122
The interactions between ferric ions and the anticancer antibiotic adriamycin have been investigated by 57 Fe Mossbauer and electronic spectroscopies. The Mossbauer parameters are markedly dependent on the preparation procedure, the equilibration tim