Two new swartziarboreol diterpenes (1 and 2) and swartziarboreol C were isolated from the petroleum ether extract of the roots of Swartzia langsdorffii. Their structures were elucidated by spectroscopic evidence. The biological activity of the root extracts and 2 was evaluated through bioautography and brine shrimp lethality assays.
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EI/MS fragmentation of abieta-8,11,13-triene diterpenoid derivatives as a tool to identify swartziarboreols in Swartzia extracts.
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A systematic molecular fragmentation pathway (SMFP) was designed as an identifier to detect swartziarboreols (abieta-8,11,13-triene diterpenoid derivatives) in Swartzia extracts. The SMFP was rationalised through the interpretation of the EI/MS of swartziarboreols isolated from S. arborescens and S.
View Article and Find Full Text PDFSwartziarboreol diterpenes from Swartzia langsdorffii Raddi.
J Nat Prod
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Departamento de Química Orgânica, Instituto de Química, UNICAMP, CP 6154, Campinas, 13084-971, São Paulo, Brazil.
Two new swartziarboreol diterpenes (1 and 2) and swartziarboreol C were isolated from the petroleum ether extract of the roots of Swartzia langsdorffii. Their structures were elucidated by spectroscopic evidence. The biological activity of the root extracts and 2 was evaluated through bioautography and brine shrimp lethality assays.
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