Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Sergio de H. Cavalcante"'
Publikováno v:
Acta Amazonica, Vol 12, Iss 2, Pp 377-380 (1982)
Abstract Aniba species (Lauraceae) are characterized by the presence of neolignans or of 6-aryl (or 6-styryl-) 2-pyrones. Flavonoids occur either together with pyrones or, in rare cases, as predominant micromolecular type. The branch wood of an Aniba
Externí odkaz:
https://doaj.org/article/526e527e97c14f688e2e28e988fce293
Publikováno v:
Phytochemistry. 24:1051-1055
The fruits of Virola carinata contain the lignans (−)-cubebin, (−)-hinokinin and (+)-asarinin, besides four neolignans of the β-aryloxy-arylpropane type and two neolignans of the benzodioxane (eusiderin) type.
Autor:
Astréa M. Giesbrecht, Jamil C. Mourão, Massayoshi Yoshida, Otto R. Gottlieb, Sergio de H. Cavalcante
Publikováno v:
Phytochemistry. 17:983-985
PMR studies using lanthanide shift techniques showed that the constitution of canellin-B must be revised to rel -(2 S ,3 S ,3a S ,5 S )-3a-allyl-5,7-dimethoxy-3-methyl-2-piperonyl-2,3,3a,4,5,6-hexahydro-6-oxobenzofuran and that the previous assignmen
Autor:
Zenaide S. Ferreira, Otto R. Gottlieb, Pedro P. Dias D., Roberto Arruda de Souza Lima, Aura M. P. de Diaz, Sergio de H. Cavalcante
Publikováno v:
Acta Amazonica, Vol 7, Iss 2, Pp 292-293 (1977)
Repositório Institucional do INPA
Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
Repositório Institucional do INPA
Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
Autor:
Sergio de H. Cavalcante, Otto R. Gottlieb, Hipólito F. Paulino Fo, Massayoshi Yoshida, Düclerc Fernandes
Publikováno v:
Phytochemistry. 24:1865-1866
The fruits of Virola peruviana contain, besides i 1-phenyl-1-1-(2′,6′-dihydroxyphenyl)-undecan-1-one and the neolignan 2,3-dimethyl-1,4-diveratryl-n-butan-1-ol, 3,4-methylenedioxycinnamyl alcohol. In contrast, the fruits of V. flexuosa and V. mul