Zobrazeno 1 - 10
of 222
pro vyhledávání: '"César Zucco"'
Publikováno v:
Química Nova, Vol 35, Iss 10, Pp 2092-2097 (2012)
The main objective of this paper is to start and stimulate reflection, discussion and proposing actions that allow Chemistry in Brazil contribute to a prosperous, safer and better future for the nation.
Externí odkaz:
https://doaj.org/article/4e8d29b3605340a9848375dfd606ce75
Publikováno v:
Química Nova, Vol 33, Iss 10, Pp 2233-2244 (2010)
This review presents the recent applications of some trihalomethyl carbinols, α,α,α-trihalogenated carbonyl compounds and trichloro(bromo)methyl-containing heterocycles, acting as high versatile synthetic precursors in organic chemistry, based on
Externí odkaz:
https://doaj.org/article/03afe9e05932476a813db60e285e5ee1
Autor:
César Zucco
Publikováno v:
Química Nova, Vol 30, Iss 6, Pp 1429-1434 (2007)
Poor standards in schools and the increase in the number of institutions of higher education - frequently without the due control - have adversely affected the quality of university level education in Brazil. On the other hand, evaluation of undergra
Externí odkaz:
https://doaj.org/article/887d833203944535a16eaad59c5e06be
Publikováno v:
Química Nova, Vol 30, Iss 2, Pp 356-359 (2007)
1,2-dichloro-4,5-dinitrobenzene (DCDNB) reacts with primary and secondary amines, in acetonitrile, at room temperature, to give a monosubstituted nitro product with a yield of 85 to 95%. The chloro-nitro-disubstituted product is formed with excess am
Externí odkaz:
https://doaj.org/article/0eec615f2d134220b6f5942199054321
Publikováno v:
Química Nova, Vol 27, Iss 2, Pp 358-362 (2004)
Externí odkaz:
https://doaj.org/article/46c9731a98c8478bbc5c486b74659d12
Publikováno v:
Química Nova, Vol 26, Iss 3, Pp 445-451 (2003)
Over the last five years there have been significant changes in higher education in Brazil as well as in research funding. As a contribution to the development of Science and Technology, and aiming to portray Chemistry today in Brazil, in the context
Externí odkaz:
https://doaj.org/article/015d9e6fb5f241d09ebd3a72fdcfbb08
Publikováno v:
Química Nova, Vol 22, Iss 3, Pp 454-461 (1999)
As a result of a number of discussions on the quality of undergraduate courses in Brazilian universities, curricular directions have been proposed. We present herein the curricular directions for the Chemistry courses with respect to basic, professio
Externí odkaz:
https://doaj.org/article/3103083c667a4e998d74bc2a4d8d4217
Autor:
Jailson B. de Andrade, Angelo C. Pinto, Solange Cadore, Paulo Cezar Vieira, César Zucco, Vera L. Pardini, Luiz Roberto Liza Curi
Publikováno v:
Química Nova, Vol 28, Pp S7-S10 (2005)
Over the past years the Brazilian Chemical Society (SBQ) has been working on different projects related to the development of Chemistry in Brazil. After a discussion throughout the country two documents have been published in Quimica Nova: "Mobilizin
Externí odkaz:
https://doaj.org/article/a7f14387890e4f9c80703023f5d3d3c8
Autor:
César Zucco
Publikováno v:
Química Nova, Vol 28, Pp S11-S13 (2005)
The discussions sponsored by the Brazilian Chemical Society, over the past five years, intending to produce a chemistry agenda with perspectives and needs for the next decade for the country, have involved the national chemistry community and several
Externí odkaz:
https://doaj.org/article/934ec41afc894114ad2db9bcaafaba28
Autor:
César Zucco, Adriano D. Andricopulo
Publikováno v:
Química Nova, Vol 35, Iss 5, Pp 869-870 (2012)
Externí odkaz:
https://doaj.org/article/4ac6a388c0754ee397611a75f75e955d