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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
Author: Santos C.C.
Magalhaes E.G.
Magalhaes A.F.
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 © 2007 John Wiley & Sons, Ltd.
Rights: fechado
Identifier DOI: 10.1002/pca.1004
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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