Zobrazeno 1 - 3
of 3
pro vyhledávání: '"José Celestino Barros"'
Autor:
Lucas Villas-Boas Hoelz, Biank Tomaz Gonçalves, José Celestino Barros, Joaquim Fernando Mendes da Silva
Publikováno v:
Molecules, Vol 15, Iss 1, Pp 94-99 (2009)
Aromatic aldehydes bearing electron-donating groups are easily converted into their respective nitriles using NH2OH·HCl and TiO2 under microwave irradiation, while those bearing an electron-withdrawing group give the corresponding oximes.
Externí odkaz:
https://doaj.org/article/20da194ceba245a9a6b4dbcfe126860c
Publikováno v:
Química Nova, Vol 31, Iss 2, Pp 445-451 (2008)
The internet is an important tool for obtaining information. It offers vast amounts of information ranging from basic to advanced, from general to specific. Nevertheless, its quality cannot be classified or graded. Furthermore, some technical and/or
Externí odkaz:
https://doaj.org/article/4e1ba5fbc54e41edb153e08b7c2df8c1
Autor:
Jorge Carlos Santos da Costa, Mario Celso Pagotto, Carmen Nila Phang Romero Casas, Marco Antonio Vargas, José Celestino Barros, Jorge Antonio Zepeda Bermudez
Publikováno v:
RECIIS, Vol 8, Iss 4 (2014)
A importância do segmento farmoquímico no complexo econômico e industrial da saúde e a dependência externa do Brasil nesta área demandam um diagnóstico deste setor. Para isso, foi realizada uma pesquisa, cuja metodologia consistiu em aplicar q
Externí odkaz:
https://doaj.org/article/c7d98fe751d741b59e9148c54123dbfe