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|Type:||Artigo de periódico|
|Title:||EI/MS fragmentation of abieta-8,11,13-triene diterpenoid derivatives as a tool to identify swartziarboreols in Swartzia extracts|
|Abstract:||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. langasdorffii and by analogy with the fragmentations observed for previously isolated compounds. Two pairs of swartziarboreol epimers were identified by GC-MS in an extract of S. langsdorffii using SMFP. Acetylation and methylation of the dichloromethane extract furnished, respectively, 3 and 4, which suggested the occurrence of a new natural orthodiphenolic swartziarboreol. Copyright (C) 2007 John Wiley & Sons, Ltd.|
|Editor:||John Wiley & Sons Ltd|
|Citation:||Phytochemical Analysis. John Wiley & Sons Ltd, v. 18, n. 6, n. 484, n. 488, 2007.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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