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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, CC
Magalhaes, EG
Magalhaes, AF
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.
Subject: EI/MS
Swartzia genera
Country: Inglaterra
Editor: John Wiley & Sons Ltd
Citation: Phytochemical Analysis. John Wiley & Sons Ltd, v. 18, n. 6, n. 484, n. 488, 2007.
Rights: fechado
Identifier DOI: 10.1002/pca.1004
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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