Buscar
Mostrando ítems 51-60 de 2188
A list of the Cerambycidae of Honduras, with additions of previously unrecorded species
(Zamorano : Escuela Agrícola Panamericana, 2014, 2014)
Cytotoxic effect of levoglucosenone and related derivatives against human hepatocarcinoma cell lines
(Pergamon-Elsevier Science Ltd, 2016-08)
Levoglucosenone has been used as template for the synthesis of a wide variety of compounds with an impressive structural variability. However, scarce work has been done regarding the generation of new bioactive entities. ...
Chemoenzymatic Synthesis of Nitrogen Polymers with Biomedical Applications Catalyzed by Lipases
(Humana Press, 2018)
The application of Candida antarctica lipase B as catalyst in the synthesis of two examples of nitrogen polymers is described. Firstly, we report anovel linear polyamidoamine oligomer, obtained by polymerization of ethyl ...
Studies on quinones. Part 42: Synthesis of furylquinone and hydroquinones with antiproliferative activity against human tumor cell lines
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
The preparation of furyl-1,4-quinone and hydroquinones by reaction of 2-furaldehyde N,N-dimethylhydrazone with benzo- and naphthoquinones is reported. Access to furylnaphthoquinones from unactivated quinones requires ...
Estudos da viabilidade catalítica de amino compostos, derivados de Laminoácidos e do D-manitol, em reações de adição do tipo Michael, em reações de adição aldólica e em reações do tipo Mannich
(Universidade Federal de Juiz de Fora (UFJF)BrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em QuímicaUFJF, 2022)
Studies on the Michael addition of naphthoquinones to sugar nitro olefins: first synthesis of polyhydroxylated hexahydro-11H-benzo[a]carbazole-5,6-diones and hexahydro-11bH-benzo[b]carbazole-6,11-diones
(PERGAMON-ELSEVIER SCIENCE LTD, 2012)
A strategy for the synthesis of the novel (6bR,7R,8S,9S,10S,10aR)-8-(benzyloxy)-7,9,10-trihydroxy-6b,7,8,9,10,10a-hexahydro-11H-benzo[a]carbazole-5,6-dione is reported. The key steps were the Michael addition of ...
Bronsted acid catalyzed azlactone ring opening by nucleophiles
(Pergamon-elsevier Science LtdOxfordInglaterra, 2014)