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Síntese e análise estrutural de compostos supramoleculares de Cd(II) com o ligante 4,6-dimetilpirimidina-2-tiona
(Universidade Federal de Santa Maria, 2004-03)
This dissertation describes the synthesis and analysis of the supramolecular
compounds α- and β-[Cd(DMPYMT-S)2]n, DMPYMT-S = 4,6-dimethylpyrimidine-2-
thione.
The reaction product of cadmium acetate dihydrate with ...
Síntese de derivados de aminoácidos contendo selênio ou telúrio miméticos da enzima glutationa peroxidase
(Universidade Federal de Santa Maria, 2007-02-26)
This work presents the synthesis of aminoacid derivatives containing
selenium or tellurium. The synthetic strategy employed herein afforded the target
compounds in a two-step route. Besides, it awarded a modular ...
A efetivação da legislação ambiental: estudo a partir do espaço rural de Santa Maria/RS
(Universidade Federal de Santa Maria, 2009-04-22)
The reality in the rural area has been showing that a good share of the
agricultural practices developed does not assure the accomplishment of the
environmental legislation and neither the sustainability of the rural ...
Estudo da interação entre silício e alumínio extraídos do vidro na presença de soluções para nutrição parenteral
(Universidade Federal de Santa Maria, 2003-08)
Silicon is a non-metal essential to the living organisms due to its role
in the tissues and bones. The most important biological forms of silicon are
the amorphous silica and the monomeric silicic acid. Only the ...
Síntese de 3-carboxietil-6-trialometil-[1,3]-oxazin-2-onas
(Universidade Federal de Santa Maria, 2003-03)
This work presents a three steps synthetic route to obtain 1,3-
oxazin-2-ones, from the β-alkoxyvinyl trihalomethyl ketones of general
formula X3CC(O)CH=C(R)OR¹, where R = H, CH3, Ph, p-Me-Ph; R¹ =
Me, Et.
β-alkoxyvinyl ...
Síntese de derivados vinílicos e arílicos de compostos heteroaromáticos via reação de acoplamento do tipo Negishi
(Universidade Federal de Santa Maria, 2004)
Não foi possível inserir o abstract.
Síntese e cristaloquímica de triazenidocomplexos com o fragmento ciclometalado N,C²-dimetilbenzilaminapaládio(II)
(Universidade Federal de Santa Maria, 2003-02-24)
Não foi possível inserir o abstract.
Síntese e análise estrutural de complexos de urânio (VI) coordenados aos ligantes hidrocloreto de piridoxina, 4-fenil-semicarbazida e a 2-(2´-hidroxifenil) benzoxazola.
(Universidade Federal de Santa Maria, 2004-02-26)
The synthesis and structural analysis of three new coordination
compounds containing uranium metal are described in this dissertation.
These compositions were synthesized with a mimetic ligand to a biological
structure, ...
Síntese de Tio- e Selenoacrilonitrilas
(Universidade Federal de Santa Maria, 2002-08-26)
In this work three new methodologies were developed, two for the addition of
HX to chalcogenoacetylenes 3 (Methods B and C) and the third on the synthesis of
chalcogenacrylonitriles 2 (Method A). [...]
Síntese estereosseletiva de bis(calcogenetos) vinílicos vicinais
(Universidade Federal de Santa Maria, 2004-03-23)
In this work, we developed a new methodology to prepare vinylic
bis(chalcogenides) 4, of exclusive Z configuration. The reaction involves a
titanium-alkyne complexes and organochalcogen electrophilic species. The
vinylic ...