Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Rosângela S. C. Lopes"'
Autor:
Mariangela S. Azevedo, Ana Paula L. Alves, Glaucia B. C. Alves, Jari N. Cardoso, Rosângela S. C. Lopes, Cláudio C. Lopes
Publikováno v:
Química Nova, Vol 29, Iss 6, Pp 1259-1265 (2006)
alpha-Bromoacetophenones are important in organic synthesis. They have been widely used as precursors of several natural products. Several methods of bromination aiming at their synthesis have been described, however they furnish a mixture of startin
Externí odkaz:
https://doaj.org/article/180917db468147f0bafa7da02f67f8b4
Autor:
Ana Lucia Ramalho Mercê, Rosângela S. C. Lopes, Claudio C. Lopes, Antonio S. Mangrich, Judith Felcman, Jacqueline Alves da Silva
Publikováno v:
Inorganica Chimica Acta. 356:155-166
The binary and ternary systems of Cu(II) complexes with adenosine 5' triphosphate (ATP) and the polyamines (PA): ethylenediamine (en), 1,3-diaminopropane (tn), spermidine (Spd) and bis-[(2S)-2-pyrrolidinylmethyl]ethylenediamine (tetraamine) were inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::934b5b933b888fe8f49efbfb473d9c3e
https://doi.org/10.1016/s0020-1693(03)00462-6
https://doi.org/10.1016/s0020-1693(03)00462-6
Autor:
Jacqueline Alves da Silva, Claudio C. Lopes, Judith Felcman, Rosângela S. C. Lopes, José Daniel Figueroa Villar
Publikováno v:
Spectroscopy Letters. 35:643-661
In this paper we describe the study of protonation/deprotonation of two polyamines: bis-[(2S)-2-pyrrolidinylmethyl]ethylenediamine (tetra) and spermidine (Spd). A new synthetic route was established for the synthesis of tetra, which structure was con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::809b5fb57d8f36e05e344b6a6f80cf72
https://doi.org/10.1081/sl-120014937
https://doi.org/10.1081/sl-120014937
A novel synthesis of alpha-bromoacetophenones and its application in obtaining 2-benzoylbenzofuranes
Autor:
Ana Paula L. Alves, Jari N. Cardoso, Rosângela S. C. Lopes, Glaucia B. C. Alves, Mariangela S. Azevedo, Claudio C. Lopes
Publikováno v:
Química Nova v.29 n.6 2006
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 29, Issue: 6, Pages: 1259-1265, Published: DEC 2006
Química Nova, Vol 29, Iss 6, Pp 1259-1265 (2006)
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 29, Issue: 6, Pages: 1259-1265, Published: DEC 2006
Química Nova, Vol 29, Iss 6, Pp 1259-1265 (2006)
alpha-Bromoacetophenones are important in organic synthesis. They have been widely used as precursors of several natural products. Several methods of bromination aiming at their synthesis have been described, however they furnish a mixture of startin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13f5cd45d48fd8f755dfd4835fcbf325
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000600022
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000600022
Autor:
Jari N. Cardoso, Claudio C. Lopes, Rosângela S. C. Lopes, Mariângela Soares de Azevedo, Gláucia B. C. A. Slana
Publikováno v:
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry, Vol 2, Iss 1, p 1 (2006)
Beilstein Journal of Organic Chemistry, Vol 2, Iss 1, p 1 (2006)
Using new variations of anionic aromatic chemistry, the total synthesis of oxygenated brazanquinones (1a-1c), derived from beta-brasan, a natural product isolated from Caesalpina echinata, via carbamates 2a-2c is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7aede8fad1c2c611270a88cdf2a57670
https://doi.org/10.1186/1860-5397-2-1
https://doi.org/10.1186/1860-5397-2-1
Autor:
William R. Batista, Maria H. C. B. Neves, Ricardo Coutinho, Cláudio C. Lopes, Rosangela S. C. Lopes
Publikováno v:
Química Nova, Vol 38, Iss 7, Pp 917-923 (2015)
AbstractThis paper presents a technological innovation that uses a subclass of glycerophospholipids as a booster biocide in antifouling paint. These glycerophospholipid PAF-analogs are economically and environmentally viable compounds because they ar
Externí odkaz:
https://doaj.org/article/9972e01556344683837adeac21dd8ad5
Autor:
Ana Paula L. Alves, José Augusto B. de C. Júnior, Glaucia B. A. Slana, Jari N. Cardoso, Rosangela S. C. Lopes, Claudio C. Lopes
Publikováno v:
Química Nova, Vol 33, Iss 2, Pp 245-248 (2010)
In this work we describe a new efficient strategy for the preparation of 1,2,4-trimethoxybenzene (3) in 56% overall yield. The compound 3 was used in a preliminary study of insect attraction by a mixture of semiochemicals called TIV, composed of indo
Externí odkaz:
https://doaj.org/article/4d485094ced54676b83241ab8e186b1d
Autor:
William R. Batista, Flavio C. Fernandes, Claudio C. Lopes, Rosangela S. C. Lopes, Whitman Miller, Gregory Ruiz
Publikováno v:
Environments, Vol 4, Iss 3, p 54 (2017)
An accepted solution to the environmental problems related to a ship’s ballast water has been the adoption and proper utilization of approved onboard ballast water plans and management systems (BWMS). On 8 September 2017, the International Maritime
Externí odkaz:
https://doaj.org/article/a47b74eea3f24d2ea9941b603558c7d7