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D'Oca, Marcelo Gonçalves Montes; Moraes, Luiz Alberto Beraldo; Pilli, Ronaldo Aloise; Eberlin, Marcos Nogueira
(2001)
he intrinsic gas-phase reactivity of cyclic N-alkyl- and N-acyliminium ions toward addition of allyltrimethylsilane (ATMS) has been compared using MS2 and MS3 pentaquadrupole mass spectrometric experiments. An order of ...
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Tomazela, Daniela Maria; Moraes, Luiz Alberto Beraldo; Pilli, Ronaldo Aloise; Eberlin, Marcos Nogueira
(2002)
The intrinsic gas-phase reactivity of cyclic N-acyliminium ions in Mannich-type reactions with the parent enol silane, vinyloxytrimethylsilane, has been investigated by double- and triple-stage pentaquadrupole mass ...
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Russowsky, Dennis; Canto, Rômulo Faria Santos; Sanches, Sérgio Augusto Antunes; D'Oca, Marcelo Gonçalves Montes; Fátima, Ângelo de; Pilli, Ronaldo Aloise; Kohn, Luciana Konecny; Antônio, Márcia Aparecida; Carvalho, João Ernesto de
(Elsevier, 2006)
The synthesis and differential antiproliferative activity of monastrol (1a), oxo-monastrol (1b) and eight oxygenated derivatives 3a,b–6a,b on seven human cancer cell lines are described. For all evaluated cell lines, ...
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D'Oca, Marcelo Gonçalves Montes; Pilli, Ronaldo Aloise; Vencato, Ivo
(Elsevier, 2000)
The vinylogous Mannich addition of silyloxyfuran 5 to chiral five- and six-membered N-acyliminium ions derived from 3/4a,b occurred exclusively through the addition to the N-acyliminium Si face to provide threo-6/7a,b as ...
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D'Oca, Marcelo Gonçalves Montes; Pilli, Ronaldo Aloise; Pardini, Vera Lúcia; Curi, Denise; Comninos, Francisco Carlos Mikula
(2001)
A adição de aliltrimetilsilano, promovida por TiCl4, a íons N-aciliminios cíclicos de 5- e 6-membros derivados do ácido (S)-(+)-mandélico, (1R,2S)-trans-2-fenil-1-cicloexanol e (1R,2S,5R)-8-fenilmentol ocorreu com baixas ...
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D'Oca, Marcelo Gonçalves Montes; Pilli, Ronaldo Aloise; Pardini, Vera Lucia; Curi, Denise; Comninos, Francisco Carlos Mikula
(Sociedade Brasileira de Química, 2001)
A adição de aliltrimetilsilano, promovida por TiCl4, a íons N-aciliminios cíclicos de 5- e 6-
membros derivados do ácido (S)-(+)-mandélico, (1R,2S)-trans-2-fenil-1-cicloexanol e (1R,2S,5R)- 8-fenilmentol ocorreu com baixas ...
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D'Oca, Marcelo Gonçalves Montes; Pilli, Ronaldo Aloise; Pardini, Vera Lucia; Curi, Denise; Comninos, Francisco Carlos Mikula
(2001)
A adição de aliltrimetilsilano, promovida por TiCl4, a íons N-aciliminios cíclicos de 5- e 6-membros derivados do ácido (S)-(+)-mandélico, (1R,2S)-trans-2-fenil-1-cicloexanol e (1R,2S,5R)-8-fenilmentol ocorreu com baixas ...
