Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/68021
Type: Artigo de periódico
Title: Geosteranes: Identification and synthesis of a novel series of 3-substituted steranes
Author: Lopes, JAD
Neto, EVS
Mello, MR
Reis, FDAM
Abstract: A novel series of 3-alkyl and 3-carboxyalkyl-5 beta(H)-steranes 7-10 along with a full homologous series of carboxyalkyl-sterane (C-1 to C-6) 4-6 with 3 alpha(H)5 alpha(H) configuration have been identified in marine-evaporitic oils from Fazenda Belim, Potiguar Basin (Brazil) on the basis of mass spectral interpretation. The synthesis of enantiomerically pure 3 alpha-alkyl-5 beta(H)-cholestane and 3 beta-alkyl-5 alpha(H)-cholestane standards and their coinjection with petroleum fractions confirmed the structural assignments. (C) 1997 Elsevier Science Ltd.
Subject: 3-alkylsteranes
3-carboxyalkylsteranes
5 beta(H)-steranes
5 alpha(H)-steranes
alkylsteranes in Brazilian oils
synthesis of 5 alpha(H)- and 5 beta(H)-steranes
C-13 NMR
Potiguar Basin
Brazil
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/S0146-6380(97)00055-7
Date Issue: 1997
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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