Campo DC | Valor | Idioma |
dc.contributor.author | Roque, Nídia Franca | - |
dc.contributor.author | Carvalho, Luciana Retz de | - |
dc.contributor.author | Guimarães, Silvia M.P. de Beauclair | - |
dc.creator | Roque, Nídia Franca | - |
dc.creator | Carvalho, Luciana Retz de | - |
dc.creator | Guimarães, Silvia M.P. de Beauclair | - |
dc.date.accessioned | 2013-08-12T14:17:42Z | - |
dc.date.available | 2013-08-12T14:17:42Z | - |
dc.date.issued | 2006 | - |
dc.identifier.issn | 0100-8404 | - |
dc.identifier.uri | http://www.repositorio.ufba.br/ri/handle/ri/12540 | - |
dc.description | p.453-459 | pt_BR |
dc.description.abstract | Two new sulfated oligobromophenols from the marine red algae Osmundaria obtusiloba, 4-(1'-potassium sulfate, 2,3-dibromo, 1',4,5-trihydroxybenzyl) - 4''-(1'''-potassium sulfate, 2'',3''-dibromo, 1''',4'',5''-trihydroxybenzyl) sulfate and 1'-(2, 3-dibromo, 4-potassium sulfate, 1', 4, 5-trihydroxybenzyl) - 4''-(1''' potassium sulfate, 2'', 3''-dibromo, 1''', 4'', 5'' trihydroxybenzyl) sulfate, are herein reported. Besides them it was obtained 2, 2', 3, 3'-tetrabromo-4, 4', 5, 5'-tetrahydroxydiphenylmethane, 2, 3-dibromo-p-hydroxybenzyl methyl ether (methyl lanosol), dipotassium 2,3-dibromo-5-hydroxybenzyl 1',4-disulfate, 24-methylenecolest-5-en-3-b-ol and a-D-mannopyranosyl-(1®2')-glycerate (digeneaside). The structures were determined by analysis of the spectroscopic data (IR, NMR and MS) and comparison with the literature. The 13CNMR data for dipotassium 2,3-dibromo-5hydroxybenzyl-1',4-disulfate are described here for the first time. The present study also suggests a mild method to isolate and to purify sulfated compounds. | pt_BR |
dc.language.iso | en | pt_BR |
dc.source | http://dx.doi.org/10.1590/S0100-84042006000300012 | pt_BR |
dc.subject | Digeneaside | pt_BR |
dc.subject | Lanosol | pt_BR |
dc.subject | Osmundaria obtusiloba | pt_BR |
dc.subject | Rhodophyta | pt_BR |
dc.subject | Sulfated bromophenols | pt_BR |
dc.title | Sulfated bromophenols from Osmundaria obtusiloba (C. Agardh) R. E. Norris (Rhodophyta, Ceramiales) | pt_BR |
dc.title.alternative | Brazilian Journal of Botany | pt_BR |
dc.type | Artigo de Periódico | pt_BR |
dc.identifier.number | v. 29 n. 3 | pt_BR |
Aparece nas coleções: | Artigo Publicado em Periódico (Química)
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