lithospermum canescens
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2011 ◽  
Vol 108 (2) ◽  
pp. 213-219 ◽  
Author(s):  
Katarzyna Sykłowska-Baranek ◽  
Agnieszka Pietrosiuk ◽  
Anna Gawron ◽  
Anna Kawiak ◽  
Ewa Łojkowska ◽  
...  

Planta Medica ◽  
2010 ◽  
Vol 76 (12) ◽  
Author(s):  
K Graikou ◽  
H Damianakos ◽  
K Syklowska-Baranek ◽  
A Pietrosiuk ◽  
M Jeziorek ◽  
...  

Planta Medica ◽  
2009 ◽  
Vol 75 (09) ◽  
Author(s):  
H Damianakos ◽  
K Graikou ◽  
A Pietrosiuk ◽  
K Sykłowska-Baranek ◽  
I Chinou

Planta Medica ◽  
2008 ◽  
Vol 74 (09) ◽  
Author(s):  
K Sykłowska-Baranek ◽  
A Pietrosiuk ◽  
M Furmanowa ◽  
W Szypuła ◽  
M Jeziorek

Planta Medica ◽  
2007 ◽  
Vol 73 (09) ◽  
Author(s):  
H Damianakos ◽  
K Graikou ◽  
A Pietrosiuk ◽  
K Sykłowska-Baranek ◽  
IB Chinou

2006 ◽  
Vol 25 (10) ◽  
pp. 1052-1058 ◽  
Author(s):  
A. Pietrosiuk ◽  
K. Sykłowska-Baranek ◽  
H. Wiedenfeld ◽  
R. Wolinowska ◽  
M. Furmanowa ◽  
...  

2003 ◽  
Vol 58 (3-4) ◽  
pp. 173-176 ◽  
Author(s):  
Helmut Wiedenfeld ◽  
Agnieszka Pietrosiuk ◽  
Miroslava Furmanowa ◽  
Erhard Roeder

Seven pyrrolizidine alkaloids (PAs) have been isolated from Lithospermum canescens and their structures determined by spectroscopical methods. Besides the known lycopsamine, O7- acetyl-lycopsamine and O7-acetylintermedine four new PAs were found. Their structures are O7-(3-hydroxy-3-methyl-butanoyl)-O9-(+)-trachelanthoyl-heliotridine (= O7-(3-hydroxy-3- methyl-butanoyl)-rinderine = canescine), O7-(3-hydroxy-3-methyl-butanoyl)-O9-(D)-viridifloryl- heliotridine (= O7-(3-hydroxy-3-methyl-butanoyl)-echinatine = canescenine) and their O13-acetyl-derivatives (= acetylcanescine; acetylcanescenine).


1879 ◽  
Vol 4 (6) ◽  
pp. 168-169
Author(s):  
Erwin F. Smith

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