Results 301 to 310 of about 294,987 (360)
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ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Bienz, Stefan +3 more
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AbstractFor Abstract see ChemInform Abstract in Full Text.
Bienz, Stefan +3 more
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2018
Naturally occurring pyrrolizidine alkaloids (PAs) are isolated from plants and other sources. The interest of the scientific community in these compounds owes itself to their high toxicity and biological activity, as well as to the challenge of synthesizing their pyrrolizidine scaffold.
Joaquín, Tamariz +3 more
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Naturally occurring pyrrolizidine alkaloids (PAs) are isolated from plants and other sources. The interest of the scientific community in these compounds owes itself to their high toxicity and biological activity, as well as to the challenge of synthesizing their pyrrolizidine scaffold.
Joaquín, Tamariz +3 more
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Natural Product Reports, 2010
The lasting attention that researchers have devoted to diterpenoid alkaloids is due to their various bioactivities and toxicities, structural complexity, and intriguing chemistry. From 1998 to the end of 2008, more than 300 new diterpenoid alkaloids were isolated from Nature.
Feng-Peng, Wang +2 more
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The lasting attention that researchers have devoted to diterpenoid alkaloids is due to their various bioactivities and toxicities, structural complexity, and intriguing chemistry. From 1998 to the end of 2008, more than 300 new diterpenoid alkaloids were isolated from Nature.
Feng-Peng, Wang +2 more
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Bisbenzylisoquinoline Alkaloids
2019The present review covers the literature on bisbenzylisoquinoline alkaloids from 1999 through early 2018. About 500 natural products belong to this large alkaloid class, of which 65 were characterized for the first time in the period covered by this chapter.
Carina, Weber, Till, Opatz
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Quaternary Protoberberine Alkaloids
ChemInform, 2007AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Lenka, Grycová +2 more
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Sabadilla alkaloids. I. Extraction of total alkaloids
Journal of the American Pharmaceutical Association (Scientific ed.), 1949A method is described by which the total sabadilla alkaloids were extracted from the seed and by which a partial separation of the crude alkaloidal mixture into four crude fractions was accomplished. Extraction of the seed with Skelly B removed the oil almost completely, in amounts up to 20 per cent, together with alkaloidal Fraction A, which was ...
C E, POETSCH, L M, PARKS
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ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Jin-Feng, Hu +3 more
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AbstractFor Abstract see ChemInform Abstract in Full Text.
Jin-Feng, Hu +3 more
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Natural Product Reports, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Ma, X., Gang, D.R.
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AbstractFor Abstract see ChemInform Abstract in Full Text.
Ma, X., Gang, D.R.
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