Silveira ER - Search Results

1

1H and 13C NMR spectral data of new saponins from Cordia piauhiensis.

Santos RP, Silveira ER, Uchôa DE, Pessoa OD, Viana FA, Braz-Filho R. Santos RP, et al. Among authors: silveira er. Magn Reson Chem. 2007 Aug;45(8):692-4. doi: 10.1002/mrc.2026. Magn Reson Chem. 2007. PMID: 17559167

2

Cytotoxic naphthoquinones from roots of Lippia microphylla.

Santos HS, Costa SM, Pessoa OD, Moraes MO, Pessoa C, Fortier S, Silveira ER, Lemos TL. Santos HS, et al. Among authors: silveira er. Z Naturforsch C J Biosci. 2003 Jul-Aug;58(7-8):517-20. doi: 10.1515/znc-2003-7-812. Z Naturforsch C J Biosci. 2003. PMID: 12939037 Free article.

3

Sesquiterpenes and a phenylpropanoid from Cordia trichotoma.

de Menezes JE, Machado FE, Lemos TL, Silveira ER, Braz Filho R, Pessoa OD. de Menezes JE, et al. Among authors: silveira er. Z Naturforsch C J Biosci. 2004 Jan-Feb;59(1-2):19-22. doi: 10.1515/znc-2004-1-204. Z Naturforsch C J Biosci. 2004. PMID: 15018045 Free article.

4

Spectral assignments of new diterpenes from Hyptis martiusii Benth.

da Cruz Araújo EC, Lima MA, Silveira ER. da Cruz Araújo EC, et al. Among authors: silveira er. Magn Reson Chem. 2004 Dec;42(12):1049-52. doi: 10.1002/mrc.1489. Magn Reson Chem. 2004. PMID: 15390028

5

Chemical composition and larvicidal activity of the essential oils from Eupatorium betonicaeforme (D.C.) Baker (Asteraceae).

Albuquerque MR, Silveira ER, De A Uchôa DE, Lemos TL, Souza EB, Santiago GM, Pessoa OD. Albuquerque MR, et al. Among authors: silveira er. J Agric Food Chem. 2004 Nov 3;52(22):6708-11. doi: 10.1021/jf0352881. J Agric Food Chem. 2004. PMID: 15506805

6

Total assignment of 1H and 13C NMR spectra of the alkaloid 3,3-diisopentenyl-N-methyl-2,4-quinoldione and novel reaction derivatives.

Nunes FM, Barros-Filho BA, de Oliveira MC, Mafezoli J, Andrade-Neto M, de Mattos MC, Silveira ER, Pirani JR. Nunes FM, et al. Among authors: silveira er. Magn Reson Chem. 2005 Feb;43(2):180-3. doi: 10.1002/mrc.1511. Magn Reson Chem. 2005. PMID: 15562518

7

Total NMR assignments of new [C7-O-C7'']-biflavones from leaves of the limonene-carvone chemotype of Lippia alba (Mill) N. E. Brown.

Barbosa FG, Lima MA, Silveira ER. Barbosa FG, et al. Among authors: silveira er. Magn Reson Chem. 2005 Apr;43(4):334-8. doi: 10.1002/mrc.1546. Magn Reson Chem. 2005. PMID: 15674815

8

A cytotoxic meroterpenoid benzoquinone from roots of Cordia globosa.

Alencar de Menezes JE, Lemos TL, Pessoa OD, Braz-Filho R, Montenegro RC, Wilke DV, Costa-Lotufo LV, Pessoa C, de Moraes MO, Silveira ER. Alencar de Menezes JE, et al. Among authors: silveira er. Planta Med. 2005 Jan;71(1):54-8. doi: 10.1055/s-2005-837751. Planta Med. 2005. PMID: 15678374

9

Characterization of two minor saponins from Cordia piauhiensis by 1H and 13C NMR spectroscopy.

Santos RP, Silveira ER, Lemos TL, Viana FA, Braz-Filho R, Pessoa OD. Santos RP, et al. Among authors: silveira er. Magn Reson Chem. 2005 Jun;43(6):494-6. doi: 10.1002/mrc.1576. Magn Reson Chem. 2005. PMID: 15809982

10

NMR assignments and X-ray diffraction spectra for two unusual kaurene diterpenes from Erythroxylum barbatum.

dos Santos CC, Sousa Lima MA, Braz-Filho R, de Simone CA, Silveira ER. dos Santos CC, et al. Among authors: silveira er. Magn Reson Chem. 2005 Dec;43(12):1012-5. doi: 10.1002/mrc.1700. Magn Reson Chem. 2005. PMID: 16142836

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