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Síntese de 1-(selenobutil)-2-fenil-4h-selenofeno[2,3-c]cromenos via reação de ciclização cascata mediada por FeCl3
(Universidade Federal de Santa Maria, 2020-02-21)
The synthesis of heterocyclic compounds is of great importance within the
chemistry of materials and the biological area, targeting both the chemical industry and
the pharmaceutical industry. Among the different heteroatoms ...
Síntese de 1H-isocalcogênocromenos via NA2SE a partir de derivados de eninos
(Universidade Federal de Santa Maria, 2020-02-21)
In the present work, we developed the synthesis of 1H-isocalcogenochromene via a nucleophilic
addition of Na2Se to enynes. The reaction parameters were studied and the results
indicated that the reaction of enynes (0.25 ...
Síntese de 1-alquil-4-aminoalquil-2-trifluormetil-1H-pirróis e 1,2,3- triazóis derivados
(Universidade Federal de Santa Maria, 2020-12-04)
In the present work, it was carried out a study of the reactivity of 5-bromo-1,1,1-trifluoro-
4-methoxypent-3-en-2-one (5-bromo enone) towards primary aliphatic amines, which furnishes
as products two novel series of ...