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Pyrrolizidines

National Institutes of Health

Papers overview

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2013
2013
Catalytic Asymmetric Synthesis of Highly Substituted Pyrrolizidines.
A catalytic asymmetric double (1,3)-dipolar cycloaddition reaction has been developed. Using a chiral silver catalyst… 
2013
2013
NHC-mediated cross-coupling of sugar-derived cyclic nitrones with enals: general and efficient synthesis of polyhydroxylated pyrrolizidines and indolizidines.
A general and efficient method for the synthesis of polyhydroxylated pyrrolizidines and indolizidines has been developed based on… 
2010
2010
Structure-guided minimalist redesign of the L-fuculose-1-phosphate aldolase active site: expedient synthesis of novel polyhydroxylated pyrrolizidines and their inhibitory properties against…
A minimalist active site redesign of the L-fuculose-1-phosphate aldolase from E. coli FucA was envisaged, to extend its tolerance… 
2010
2010
The organocatalytic [3+2] cycloaddition of azomethine ylides and alpha,beta-unsaturated aldehydes as a convenient tool for the enantioselective synthesis of pyrrolizidines and indolizidines.
We have developed a simple and straightforward procedure for the enantioselective preparation of densely substituted bicyclic and… 
2009
2009
Olefin metathesis based approach to diversely functionalized pyrrolizidines and indolizidines; total synthesis of (+)-monomorine.
New scaffolds for the stereoselective synthesis of diversely functionalized chiral enantiopure indolizidines and pyrrolizidines… 
2005
2005
New asymmetric approach to natural pyrrolizidines: synthesis of (+)-amphorogynine A, (+)-amphorogynine D, and (+)-retronecine.
Three natural pyrrolizidines, (+)-amphorogynines A and D and (+)-retronecine, have been prepared from a common lactam… 
Highly Cited
2003
Highly Cited
2003
Australine and related alkaloids: easy structural confirmation by 13C NMR spectral data and biological activities
2002
2002
Synthesis of indolizidines and pyrrolizidines through the [2 + 2]cycloaddition of five-membered endocyclic enecarbamates to alkyl ketenes. Unusual regioselectivity of Baeyer-Villiger ring expansions…
The total syntheses of two indolizidine skeletons and of the necine base (+/-)-platynecine were accomplished in a concise manner… 
2001
2001
Polyhydroxylated pyrrolizidines . Part I : Short and highly stereocontrolled syntheses of hyacinthacines
Two short and highly stereocontrolled syntheses for 7a-epi-hyacinthacine A2 (7-deoxyalexine) 3 and 5,7a-diepihyacinthacine A3 4… 
Highly Cited
1993
Highly Cited
1993
Alkaloids from bufonid toads (Melanophryniscus): decahydroquinolines, pumiliotoxins and homopumiliotoxins, indolizidines, pyrrolizidines, and quinolizidines.
Skins of bufonid toads of the genus Melanophryniscus contain several classes of alkaloids: decahydroquinolines, pumiliotoxins… 
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