2001 - 2006
Publications
Synthesis, Characterization, and Properties of Some
Copper(II) Complexes of 2-Pyridineformamide Thiosemicarbazone
(HAm4DH), María del Carmen Aguirre, Joaquín Borrás, Alfonso Castiñeiras, José M. García-Monteagudo,
Isabel García-Santos, Juan Niclós,
Douglas X. West European Journal of
Inorganic Chemistry 1231-1244 2006.
Variability in the
Coordination Modes of 2-Pyridineformamide Thiosemicarbazone
(HAm4DH) in some Zinc(II), Cadmium(II), and
Mercury(II) Complexes. E. Bermejo, A. Castiñeiras,
mer-Bis(2,3-dimethyl-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-4-carbaldehyde
4,4-dimethylthiosemicarbazonato- k3 S,N,O)cobalt(III) tetrafluoroborate. J. Valdés-Martínez, S. Hernández-Ortega, D. X. West, A. K. El-Sawaf, R. M. El-Bahanasawy and F.
A. El-Saied, Acta Cryst., E61, m1593-1594 (2005).
Palladium(II) and platinum(II) complexes of
2-hydroxyacetophenone N(4)-ethylthiosemicarbazone-
crystal structure and description of bonding properties. L. Papathanasis, M. A. Demertzis,
P.N. Yadav, D. Kovala-Demertzi,
C. Prentjas, A. Castiñeiras,
S. Skoulika, and D. X. West, Inorg. Chim. Acta, 357, 4113-4120 (2004).
Study of the sulfur atom as
hydrogen bond acceptor in N(2)-pyridylmethyl-N′-arylthioureas.
J. Valdés-Martínez, S. Hernández-Ortega,
M.l Rubio, D. T. Li, J. K. Swearingen, W. Kaminsky, D. R. Kelman, D. X. West, J. Chem. Cryst. 34,
533-40 (2004).
Oxidation of heterocyclic thioureas to form
benzothiazoles and copper(II) complexes. D. X. West, L. F. Szczepura, J.
Giesen, J. Kelley, W. Kaminsky, K. I. Goldberg: J. Mol. Struct. 646,
95-102 (2004).
Crystal
and molecular structure of 2-aminoacetophenone-N(3)-dimethylthiosemicarbazone, Amal
A. Nassar, Simón Hernández-Ortega, Jesús Valdés-Martínez and Douglas X. West. Rev.
Soc. Quím. Méx.(2003), 46, 251-253
Spectral
and structural studies of cobalt(II,III), nickel(II), and copper(II) complexes
of dehydroacetic acid N4-dialkyl- and 3-azaccyclothiosemicarbazones, F. A.
El-Saied, A. A. El-Asmy, W. Kaminsky, and D. X. West, Transition Met. Chem.,
28, 954-960 (2003).
Copper(II) and nickel(II) complexes
of 5-methyl-2-hydroxyacetophenone N(4)-substituted thiosemicarbazones, E.
Labisbal, K. D. Haslow, A. Sousa-Pedrares, J. Valdés-Martínez, S.
Hernández-Ortega, D. X. West, Polyhedron,
22, 2831-2837 (2003).
Structural Studies of
N-2-(6-aminopyridine)-N'-arylthioureas, D. R. Kelman, K. A. Claborn, W.
Kaminsky, K. I. Goldberg, D. T. Li, and D. X. West, J. Mol. Struct., 654,
145-152 (2003).
Crystal
and molecular structure of Δ6-4-methyl-5,6-diphenyl-5-ethoxy-1,2,4-triazacyclohexene-3-thione. E. Bermejo, A. Castiñeiras and D. X. West, J. Mol. Struct., 650, 93-97 (2003).
Structural,
thermal and spectral studies of N-2-pyridyl-, N-2-picolyl- and
N-2-(4,6-lutidyl)-N'- (3-methoxyphenyl)thioureas, J. M. Giesen, K. A. Claborn,
K. I. Goldberg, W. Kaminsky and D. X. West, J.
Mol. Struct., 613, 223-233
(2002).
2,6-diacetyl-
and 2,6-diformylpyridine bis(N4-substituted thiosemicarbazones) and their
copper(II) and nickel(II) complexes C. A. Brown and D. X. West, Transition Met. Chem., 28, 154-9 (2003).
Oxidation
of heterocylic thioureas to form benzothiazoles and copper(II) complexes, L. F.
Szczepura, J. Kelley, J. M. Giesen, K. I. Goldberg, W. Kaminsky and D. X. West, J. Mol. Struct., 646, 95-102 (2003).
Spectral
and Structural Studies of the Copper(II) Complexes of 3,4-Hexanedione
Bis(3-azacyclo-thiosemicarbazones) J. P. Jasinski, J. R. Bianchani, J. Cueva,
F. A. El-Saied, A. A. El-Asmy and D. X. West, Z.Anorg. Allg. Chem., 629,
202-206 (2003).
Structural
and spectral characterization of transition metal complexes of
2-pyridineformamide N(4)-dimethylthiosemicarbazone L. M. Fostiak, I. García, J.
K. Swearingen, E. Bermejo, A. Castiñeiras and Douglas X. West, Polyhedron, 22, 83-92 (2003).
Copper(II)
complexes 1-phenylpropane-1,2-dione- and benzil
bis(3-piperidylthiosemicarbazone); a structural study. J. P. Jasinski, H. E. Exel,
A. Castiñeiras, E. Bermejo, H. Beraldo and D. X. West, J. Chem. Cryst.,33,
11-18 (2003).
Mono-
andDi-Functional Aromatic Amines with p-Alkoxy Substituents as Novel Arylimido
Ligands for the Hexamolybdate Ion, R. A. Roesner, S. C. McGrath, J. T. Brockman, J. D. Moll, J.
K. Swearingen, A. Castiñeiras, and D. X. West, Inorg. Chim. Acta, 342,
37-47 (2003).
Structural,
thermal and spectral studies of N-2-pyridyl-, N-2-picolyl- and
N-2-(4,6-lutidyl)-N'- (3-methoxyphenyl)thioureas, J. M. Giesen, K. A. Claborn,
K. I. Goldberg, W. Kaminsky and D. X. West, J.
Mol. Struct., 613, 223-233
(2002).
Structure
of N-methylisatin N(4)-dimethylthiosemicarbazone and its Electrochemically
Synthesized 6-Coordinate Cadmium(II) Complex, E. Labisbal, A. Sousa-Pedrares,
W. Kaminsky and D. X. West, Z.
Naturforsch, 57b, 908-13 (2002).
Structural,
spectral and thermal studies of N-2-(pyridyl)- and
N-2-(picolyl)-N'-(3-chlorophenyl)thioureas, D. R. Kelman, K. A. Claborn, W.
Kaminsky, K. I. Goldberg, and D. X. West, J.
Mol. Struct., 642, 119-127
(2002).
Structural
studies of representative N-2-(3-picolyl)- and
N-2-(4-picolyl)-N’-tolylthioureas. J. Valdés-Martínez, S. Hernández-Ortega A.
K. Hermetet, L. J. Ackerman, C. A. Presto, J. K. Swearingen, D. R. Kelman, K.
I. Goldberg, W. Kaminsky, D. X. West, J.
Chem. Cryst.32, 431-438 (2002).
Structure
of bis(2-acetylpyridine 3-hexamethyleneiminylthiosemicarbazonato)palladium(II),
a potential antitumor agent. D.
Kovala-Demertzi, M. A. Demertzis, J. R. Miller, C. S. Frampton, J. P. Jasinski,
and D. X. West, J. Inorg.Biochem., 92, 137-140 (2002).
Structural and spectral studies of di-2-pyridyl ketone
3-piperidyl-and 3-hexamethyleneiminylthiosemicarbazone and their cobalt(II),
nickel(II) and copper(II) complexes. J.
K. Swearingen, W. Kaminsky and D. X. West, Transition
Met. Chem., 27, 724-731 (2002)
Structural and spectral studies of N-2-(pyridyl)-,
N-2-(3-,4-, 5-, and 6-picolyl)- and N-2-(4,6-lutidyl)-
N'-2-thiomethoxyphenylthioureas. W. Kaminsky, D. R. Kelman, J. M. Giesen, K. I.
Goldberg, K. A. Claborn, L. F. Szczepura, and D. X. West, J. Mol. Struct., 616,79-89
(2002).
Structural studies of pyrazineformamide
N4-methylthiosemicarbazone and its zinc(II) and cadmium(II) complexes formed by
electrochemical oxidation. E. Labisbal, A. Sousa-Pedrares, A. Castiñeiras, J.
K. Swearingen and D. X. West, Polyhedron,
21, 1553-9 (2002).
Structural studies of N-2-(6-picolyl)-N’-tolylthioureas, A.
K. Hermetet, L. J. Ackerman, J. K. Swearingen, C. A. Presto, D. R. Kelman, J. M.
Giesen, K. I. Goldberg, W. Kaminsky, D. X. West, J. Chem. Cryst.,32,
17-25 (2002).
2-(2-aminoacetaphenonehydrazone)-5-piperdiylthia-3,4-diazole,
A. A. Nassar, S. Hernández-Ortega, J. Valdés-Martínez and D. X. West, Acta Cryst, E58, 694-5 (2002).
Spectral
studies and x-ray crystal structures of three nickel(II) complexes of
2-pyridineformamide 3-piperidylthiosemicarbazone, K. A. Ketcham, I. Garcia, J.
K. Swearingen, E. Bermejo, A. K. El-Sawaf, A. Castiñeiras, and D. X. West, Polyhedron, 21, 859-865 (2002).
Structural,
spectral and thermal studies of N-2-(pyridyl)- and
N-2-(4-picolyl)-N'-(2-chlorophenyl)thioureas and
N-2-(6-picolyl)-N’-(2-bromophenyl)thiourea.
D. R. Kelman, L. F.Szczepura, K. I. Goldberg, W. Kaminsky, A. K.
Hermetet, L. J. Ackerman, J. K. Swearingen, and D. X. West, J. Mol. Struct.,610, 143-150 (2002).
Synthesis,
solution and spectral studies of palladium(II) complexes with
2-hydroxyacetophenone N(3)-propylthiosemicarbazone. Crystal structure of a
tripalladium complex P.N. Yadav, M.A. Demertzis, D. Kovala-Demertzi, A.
Castineiras, D.X. West Inorg. Chim. Acta,
32, 204 209 (2002).
Structural
studies of metal complexes of 2-pyridineformamide
N(4)-methylthiosemicarbazone" by I. Garcia, E. Bermejo, A. K. El-Sawaf, A.
Castiñeiras and D. X. West, Polyhedron,
21,729-737 (2002).
Structural
and spectral studies of N-(2-pyridyl)-N'-(4-substituted phenylthioureas). L. F. Szczepura, K.K. Eilts, A. K. Hermetet,
L. J. Ackerman. J. K. Swearingen and D. X. West, J. Mol. Struct., 607,
101-110 (2002).
Structural
study of two N(4)-substituted thiosemicarbazones prepared from
1-phenyl-1,2-propanedione-2-oxime and their binuclear nickel(II) complexes, W.
Kaminsky, J. P. Jasinski, R. Woudenberg, K. I. Goldberg and D. X. West, J. Mol. Struct.,608, 135-41 (2002).
Structural,
spectral and thermal studies of N-2-(picolyl)-N'-4-chlorophenylthioureas, L. F.
Szczepura, D. R. Kelman, A. K. Hermetet, L. J. Ackerman, K. I. Goldberg, K.
A.Claborn, W. Kaminsky, and D. X. West, J.
Mol. Struct.,608, 245-51 (2002).
Structural
study of nickel(II), copper(II) and palladium(II) complexes of
2-pyridineformamide 3-hexamethyleneiminylthiosemicarbazone, K. A. Ketcham, I.
Garcia, E. Bermejo, J. K. Swearingen, A. Castiñeiras and D. X. West, Z. Anorg. Allg. Chem., 628, 409-415 (2002).
Coordination
of Zn(II), Cd(II) and Hg(II) by 2-pyridineformamide
3-piperidylthiosemicarbazone, A. Castiñeiras, I. García, E. Bermejo, K. A.
Ketcham, D. X. West and A. K. El-Sawaf,
Z. Anorg. Allg. Chem., 628,
492-504 (2002).
Structural,
Spectral and Thermal Studies of Substituted N-(2-pyridyl)-N'-phenylthioureas,
J. Valdés-Martínez, S. Hernández-Ortega, G. Espinosa-Pérez, C. A. Presto, A. K.
Hermetet, K. D. Haslow, L. J. Ackerman, L. F. Szczepura, K. I. Goldberg, J. M.
Giesen, W. Kaminsky and D. X. West, J.
Mol. Struct.,608, 77-87 (2002).
Tetrachlorocuprate(II)
Salts of Heterocyclic Aminoguanidonium (Gaunylhydrazonium) Ions. J. H. Alstrum-Acevedo, J. Valdés-Martínez, R.
A. Toscano, S. Hernández-Ortega, G. Espinosa-Pérez and D. X. West, Polyhedron, 21, 409-416 (2002).
Structural
Studies of 2,6-diacetyl- and 2,6-diformylpyridine bis(thiosemicarbazones). C.
A. Brown, W. Kaminsky, K. A. Claborn, K. I. Goldberg and D. X. West, J. Brazilian Chem. Soc., 13, 10-18 (2002).
Structural,
spectral and thermal studies of N-2-(4,6-lutidyl)-N’-chlorophenylthioureas, A.
K. Hermetet, L. J. Ackerman, K. K. Eilts, T. K. Johnson, J. K. Swearingen, J.
M. Giesen, K. I. Goldberg, W. Kaminsky, and D. X. West, J. Mol. Struct., 605,
241-7 (2002).
Structural
study of a zinc(II) complex with acetone
3-hexamethyleneiminylthiosemicarbazone. A. Castiñeiras and D. X. West, J. Mol. Struct.,604, 113-118 (2002).
Synthesis
and structures of two N,N’-bis(2-pyridinyl)thioureas and
N-(2-pyridinyl)-N’-(benzoyl)thiourea W. Kaminsky, K. I. Goldberg and D. X.
West, J. Mol. Struct., 605, 9-15 (2002).
Synthesis,
characterization and molecular structure of 2-pyridyl-formamide
N(4)-dimethylthiosemicarbazone and some five coordinated zinc(II) and
cadmium(II) complexes. E. Bermejo, A. Castineiras, L.M. Fostiak,
Iron(III), cobalt(II,III), copper(II) and zinc(II)
complexes of 2-pyridineformamide 3-piperidylthiosemicarbazone. K. A. Ketcham, J. K. Swearingen, A.
Castiñeiras, I. Garcia, E. Bermejo and D. X. West, Polyhedron,20, 3265-73
(2001).
Cytotoxicity
of 2-aldo- and 2-ketopyridine-N(4)-substituted thiosemicarbazones and mode of action in human
Tmolt(4) cells, Hall IH. Barnes BJ. Rowell JE. Shaffer KA. Cho SE. West DX.
Stark AM. Pharmazie.56(8):648-653,
2001
Crystal structures and IR, NMR and
UV spectra of 4-formyl- and 4-acetylpyridine N(4)-methyl- and
N(4)-ethylthiosemicarbazones, H. Beraldo, R. Lima, L.R. Teixeira, A.A. Moura
and D.X. West, Journal of Molecular Structure, 559, 99-106
(2001).
Structural
and spectral study of platinum(II) complexes of pyridilbis{3-piperidyl-,bis{hexamethyleneiminyl-,
bis{N(4)-diethyl- and bis{N(4)-dipropylthiosemicarbazones}A.Castiñeiras,
M. Gil, E. Bermejo and D. X. West, Polyhedron, 20, 449-454
(2001).
Structural and spectral studies of di-2-pyridyl ketone
N(4)-methyl- and N(4)-dimethylthiosemicarbazone and their metal complexes, J.
K. Swearingen and D. X. West, Transition Metal Chemistry,26,
252-260 (2001).
Tetraaquodicloro nickel(II),
2-formylpyridiniumaminoguanidoniumdichloride dihydrate, J. Valdés-Martínez, J.
Alstrum-Acevedo, R. Toscano, G. Espinosa-Pérez, B. A. Helfrich and D.X. West, ActaCryst.,
E57, m137-m139 (2001).
Structural Study of a Binuclear Zinc Complex of
2,6-DiacetylpyridineBis{N(4)dimethylthiosemicarbazone}, [Zn(2,6Ac4DM)]2.1/2MeCN,
E. Labisbal, A. Castiñeiras, C. A. Brown and D.X. West, Zeitschrift fur
Naturforschung Section B, A Journal of Chemical Sciences,56b(3)
229-232 (2001).
Structural and Spectral Studies of
N-2-(pyridyl)-, N-2-(4-, 5-, and 6-picolyl)- and
N-2-(4,6-lutidyl)-N'-2-methoxyphenylthioureas.
D. X. West, J. K. Swearingen, A. K. Hermetet and L. J. Ackerman. Journal
of Molecular Structure, 562, 95-105 (2001).
Structural
study of a N(4)-substituted thiosemicarbazone prepared from
1-phenyl-1,2-propanedione-2-oxime, as well as a representative
bis(ligand)nickel(II) complex, E. Bermejo, A. Castiñeiras and D.X. West, Z. Naturforsch.,56b
(2001) 369-374.
Structural and spectral study of
copper(II) complexes of pyridil bis{3-piperidyl-,bis{hexamethyleneiminyl, bis{N(4)-diethyl- and bis{N(4)-dipropylthiosemicarbazones}. E. Bermejo, M. Gil, A. Castiñeiras, E.
Labisbal, A. Sousa, H. Beraldo and D. X. West, Z. Anorg. Allg. Chem., 627,
827-835 (2001).
Crystal structures of copper(II)
complexes of 2-formylpyridine substituted thiosemicarbazones; the first example
of a coordinated thiosemicarbazone with a thiol function. D.X. West J.K. Swearingen, T.J. Romack, I.S.
Billeh, J.P. Jasinski, Y. Li and R.J. Staples, J. Mol. Struct., 570,
129-136 (2001).
Structural studies of a copper(II)
complex with inequivalent 2-acetylpyridine
3-piperidylthiosemicarbazonatoligands and a nickel(II) complex with different
modes of coordination by the two thiosemicarbazonato moieties of
1-phenylglyoxal bis{N(4)-diethylthiosemicarbazone}, E.Bermejo,A. Castiñeiras,
L. J. Ackerman, M. D. Owens and D. X. West, Z.. Anog. Allg. Chem., 627
1966-71 (2001).
Spectral studies of semicarbazones
derived from 3- and 4-formylpyridine and 3- and 4-acetylpyridine.Crystal and
molecular structure of 3-formylpyridine semicarbazone. W. F. Nacif, H. Beraldo
and D. X. West, Spectrochim Acta, 57A, 1847-54 (2001).