STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)

In this work, bioactive compounds present in flower heads of German Chamomille, were extracted and isolated in pure forms by chromatographic techniques. These compounds, spiroketal enol ethers, present in both isomeric forms Z and E, were characterized and unequivocally identified by spectroscopic t...

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Autores principales:	BUONO-CORE,G. E, NUÑEZ,M. VANESSA, LUCERO,ANDREA, VARGAS M,ROBINSON, JULLIAN,CAROLINA
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2011
Materias:	Spiroketal enol ethers German Chamomille NMR spectra NOESY
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072011000100006
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spelling	oai:scielo:S0717-970720110001000062011-06-17STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)BUONO-CORE,G. ENUÑEZ,M. VANESSALUCERO,ANDREAVARGAS M,ROBINSONJULLIAN,CAROLINA Spiroketal enol ethers German Chamomille NMR spectra NOESY In this work, bioactive compounds present in flower heads of German Chamomille, were extracted and isolated in pure forms by chromatographic techniques. These compounds, spiroketal enol ethers, present in both isomeric forms Z and E, were characterized and unequivocally identified by spectroscopic techniques. One- (¹H, 13C) and two-dimensional (¹H-¹H-COSY, ¹H-¹H-NOESY, HMQC and HMBC) NMR were used to assign the configuration of each isomeric compound. It was also found that irradiation of the extracts with UV light induced the photoisomerization of the en-yn-dicycloethers favoring the formation of the more stable E isomer.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.56 n.1 20112011-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072011000100006en10.4067/S0717-97072011000100006
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Spiroketal enol ethers German Chamomille NMR spectra NOESY
spellingShingle	Spiroketal enol ethers German Chamomille NMR spectra NOESY BUONO-CORE,G. E NUÑEZ,M. VANESSA LUCERO,ANDREA VARGAS M,ROBINSON JULLIAN,CAROLINA STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)
description	In this work, bioactive compounds present in flower heads of German Chamomille, were extracted and isolated in pure forms by chromatographic techniques. These compounds, spiroketal enol ethers, present in both isomeric forms Z and E, were characterized and unequivocally identified by spectroscopic techniques. One- (¹H, 13C) and two-dimensional (¹H-¹H-COSY, ¹H-¹H-NOESY, HMQC and HMBC) NMR were used to assign the configuration of each isomeric compound. It was also found that irradiation of the extracts with UV light induced the photoisomerization of the en-yn-dicycloethers favoring the formation of the more stable E isomer.
author	BUONO-CORE,G. E NUÑEZ,M. VANESSA LUCERO,ANDREA VARGAS M,ROBINSON JULLIAN,CAROLINA
author_facet	BUONO-CORE,G. E NUÑEZ,M. VANESSA LUCERO,ANDREA VARGAS M,ROBINSON JULLIAN,CAROLINA
author_sort	BUONO-CORE,G. E
title	STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)
title_short	STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)
title_full	STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)
title_fullStr	STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)
title_full_unstemmed	STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)
title_sort	structural elucidation of bioactive principles in floral extracts of german chamomille (matricaria recutita l.)
publisher	Sociedad Chilena de Química
publishDate	2011
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072011000100006
work_keys_str_mv	AT buonocorege structuralelucidationofbioactiveprinciplesinfloralextractsofgermanchamomillematricariarecutital AT nunezmvanessa structuralelucidationofbioactiveprinciplesinfloralextractsofgermanchamomillematricariarecutital AT luceroandrea structuralelucidationofbioactiveprinciplesinfloralextractsofgermanchamomillematricariarecutital AT vargasmrobinson structuralelucidationofbioactiveprinciplesinfloralextractsofgermanchamomillematricariarecutital AT julliancarolina structuralelucidationofbioactiveprinciplesinfloralextractsofgermanchamomillematricariarecutital
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STRUCTURAL ELUCIDATION OF BIOACTIVE PRINCIPLES IN FLORAL EXTRACTS OF GERMAN CHAMOMILLE (MATRICARIA RECUTITA L.)

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