X-ray diffraction and theoretical investigation of the Gedunin crystal structure

Autor: Hamilton B. Napolitano, Valter H. C. Silva, Javier Ellena, Ademir J. Camargo, Paulo S. Carvalho, Paulo C. Vieira, Waldireny C. Rocha

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The Gedunin compound (C 28 H 34 O 6 ) is a natural product extracted from Trichilia pallida that has shown a wide activity. The crystallographic structure shows two conformers in the asymmetric unit, which differ in a rotation of the furan group. To

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e727f2b3c548d3ced0028beb7ce08bb
https://doi.org/10.1016/j.molstruc.2011.11.028

Bioactivity of extracts and isolated compounds fromVitex polygama (Verbenaceae) andSiphoneugena densiflora (Myrtaceae) againstSpodoptera frugiperda (Lepidoptera: Noctuidae)

Autor: Margareth B. C. Gallo, Uemerson Silva da Cunha, Paulo C. Vieira, Waldireny C. Rocha, João B. Fernandes, José Djair Vendramim, Fernanda A Diogo, Luciane G. Batista-Pereira, M. Fátima das G. F. da Silva, Fernando C. da Silva

Publikováno v: Pest Management Science. 62:1072-1081

The effects of crude extracts, fractions and isolated compounds from Vitex polygama Cham. and Siphoneugena densiflora Berg were evaluated on the development of Spodoptera frugiperda JE Smith, a destructive insect pest of corn and several other crops.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32345e33da8e79834cdf5870f6624d2c
https://doi.org/10.1002/ps.1278

Redetermination of skimmianine: a new inhibitor against the Leishmania APRT enzyme

Autor: Hamilton B. Napolitano, Javier Ellena, Otavio Henrique Thiemann, Paulo C. Vieira, Waldireny C. Rocha, Glaucius Oliva, Monize M. da Silva

Publikováno v: Acta Crystallographica Section E Structure Reports Online. 59:o1503-o1505

The title compound (alternative names 7,8-di­methoxy­dictam­mine and 4,7,8-tri­methoxy­furo­[2,3-b]­quinoline), C14H13NO4, is a natural product extracted from Adiscanthus fusciflorus (Ruta­ceae). Our biochemical tests show that it has inhibit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4de806c54fce0960d628b1688f5e3c0
https://doi.org/10.1107/s1600536803019913

[Bioactivity of Trichilia pallida Swartz (Meliaceae) derived molecules on Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)]

Autor: Uemerson S, da Cunha, José D, Vendramim, Waldireny C, Rocha, Paulo C, Vieira

Publikováno v: Neotropical entomology. 37(6)

Dichloromethane (DIC) leaf and fruit extracts of Trichiliapallida Swartz were obtained for the isolation and identification of molecules with insecticidal activity against the tomato leafminer, Tuta absoluta (Meyrick). DIC leaf extracts of T. pallida

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a12bc605ddd4d49d9d8f9ef87b0525b4
https://pubmed.ncbi.nlm.nih.gov/19169560

Inhibition of the symbiotic fungus of leaf-cutting ants by coumarins

Autor: Odair Correa Bueno, Adriana M. Bellini, Gisleine Guerreiro, M. J. A. Hebling, Marizete F. P. Godoy, Maurício Bacci, Fernando Carlos Pagnocca, João B. Fernandes, Sandra R. Victor, Paulo C. Vieira, Waldireny C. Rocha, M. Fátima das G. F. da Silva

Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Journal of the Brazilian Chemical Society v.16 n.3b 2005
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
ResearcherID
Journal of the Brazilian Chemical Society, Volume: 16, Issue: 3b, Pages: 669-672, Published: JUN 2005

Leaf-cutting ants are known to be a serious pest for agriculture due to the high amounts of vegetal matter from crops used by them in order to cultivate a symbiotic fungus on which they rely for food and enzymes. The mutualism between the fungus and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6ca6712d136e8f3b36db3f22bdf9b1e