Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Marques F"'
Autor:
Santos Alcindo A. dos, Clososki Giuliano C., Simonelli Fabio, Oliveira Alfredo R. M. de, Marques Francisco de A., Zarbin Paulo H. G.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 12, Iss 5, Pp 673-679 (2001)
Introduction of a synthon equivalent to a carboxymethyl anion to enones and nitroalkenes, through a 1,4-addition reaction of 2,4,4-trimethyl-2-oxazoline cyanocuprate 3, proved to be an interesting methodology for the synthesis of natural products suc
Externí odkaz:
https://doaj.org/article/af6007e5f63c4eb38668224dc4089154
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 11, Iss 6, Pp 592-599 (2000)
Many lepidopteran pheromones consist of blends of monounsaturated alcohols, aldehydes and acetates. These compounds frequently are obtained in only nanogram quantities from pheromone gland extracts, prohibiting use of most standard spectroscopic meth
Externí odkaz:
https://doaj.org/article/a4b5970e14c5469a83e484d7d950de20
Autor:
Zarbin Paulo H. G., Reckziegel Aurélia, Plass Ernst, Oliveira Alfredo R. M. de, Simonelli Fábio, Marques Francisco de A.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 11, Iss 6, Pp 572-577 (2000)
The stink bugs Euschistus heros and Piezodorus guildinii (Heteroptera: Pentatomidae) are economically important soybean pests in Brazil. An intriguing characteristic of these species is the fact that they use the same chemical compounds as sex pherom
Externí odkaz:
https://doaj.org/article/c6fc669501aa470c9dddfbd70e4dac20
Autor:
Zarbin Paulo H. G., Borges Miguel, Santos Alcindo A. dos, Oliveira Alfredo R. M. de, Simonelli Fábio, Marques Francisco de A.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 11, Iss 4, Pp 424-428 (2000)
The compounds utilized by the soybean stink bug Piezodorus guildinii as alarm pheromone were characterized by analysis of the chemical composition of the metathoracic scent gland secretions from adult bugs. In addition to characteristic hydrocarbons,
Externí odkaz:
https://doaj.org/article/be8d806d23614e718a643d979c5a9c1a
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 11, Iss 5, Pp 502-511 (2000)
Two diastereomers of africanol, compounds 1a and 1b, were obtained exclusively through a methodology which employed, as the key step, the nBuLi mediated intramolecular cyclization of the vinyl iodide 5. A similar cyclization of 19 provided exclusivel
Externí odkaz:
https://doaj.org/article/e51f026db6054a459aae3ae94282093b
Autor:
Wisniewski Junior Alberto, Oliveira Alfredo R.M., Cunha Carlos Jorge da, Simonelli Fabio, Marques Francisco A.
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 10, Iss 5, Pp 369-374 (1999)
Five enaminones 4a-e derived from the reaction of 2,4,4-trimethyl-2-oxazoline anion with ethyl acetate, ethyl benzoate, ethyl cyclohexanoate, ethyl hexanoate and ethyl p-methyl benzoate, respectively, were obtained and characterized by 13C-NMR, ¹H-N
Externí odkaz:
https://doaj.org/article/c5a3fbf6d6c34f3fa2b0ef3cce08a69d
Publikováno v:
Journal of the Brazilian Chemical Society, Vol 9, Iss 4, Pp 371-373 (1998)
A stereoselective synthesis of (3E,5Z)-dodecadienyl acetate, the sex pheromone of the leafroller moth Bonagota cranaodes, was efficiently carried out using a methodology based on the coupling of Z-alkenyl cuprate with 4-iodo-3-butyn-1-ol in the key s
Externí odkaz:
https://doaj.org/article/5b4a95c04b744877baaf1896e7aef7ab
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