Indolizidine and quinolizidine alkaloids

JP Michael - Natural Product Reports, 2001 - pubs.rsc.org
… The first asymmetric synthesis of the fungal metabolite (−)-slaframine 1 to use a recyclable
… was set for construction of the indolizidine skeleton. Basic hydrolysis and decarboxylation of …

The asymmetric syntheses of pyrrolizidines, indolizidines and quinolizidines via two sequential tandem ring-closure/N-debenzylation processes

SG Davies, AM Fletcher, EM Foster… - Organic & …, 2014 - pubs.rsc.org
… a ring-closing iodoamination procedure in asymmetric syntheses of pyrrolidine, 5 piperidine,
… scaffolds, including pyrrolizidines, indolizidines and quinolizidines, could be produced by a …

Indolizidine and quinolizidine alkaloids

JP Michael - Natural product reports, 2005 - pubs.rsc.org
… determination, synthesis, chemical … syntheses of the marine alkaloids clavepictine A,
clavepictine B and pictamine, and two frog skin alkaloids, indolizidine 223A and quinolizidine 207I. …

Pyrrolizidines, indolizidines and quinolizidines via a double reductive cyclisation protocol: concise asymmetric syntheses of (+)-trachelanthamidine,(+)-tashiromine …

M Brambilla, SG Davies, AM Fletcher, PM Roberts… - Tetrahedron, 2016 - Elsevier
… In conclusion, concise asymmetric syntheses of pyrrolizidine, indolizidine and quinolizidine
alkaloids have been achieved using the diastereoselective conjugate addition of lithium (R)-…

Indolizidine and quinolizidine alkaloids

JP Michael - Natural Product Reports, 2008 - pubs.rsc.org
… , synthesis, chemical transformations and biological activity of indolizidine and quinolizidine
Concise syntheses of the 5-epi analogues of indolizidines 167B and 209D are shown in …

Strategic approaches to the synthesis of pyrrolizidine and indolizidine alkaloids

NK Ratmanova, IA Andreev, AV Leontiev, D Momotova… - Tetrahedron, 2020 - Elsevier
… One of the most concise asymmetric syntheses of the necine base (+)-isoretronecanol and
indolizidine alkaloid (+)-5-epi-tashiromine was developed by the Pilli group (Scheme 12) [117,…

Indolizidine and quinolizidine alkaloids

JP Michael - Natural Product Reports, 2000 - pubs.rsc.org
indolizidine systems includes examples of applications in the total synthesis of hydroxylated
indolizidine … Hydroxylated indolizidine and quinolizidine systems are also highlighted in a …

Asymmetric Synthesis of α-Substituted β-Amino Ketones from Sulfinimines (N-Sulfinyl Imines). Synthesis of the Indolizidine Alkaloid (−)-223A

FA Davis, B Yang - Journal of the American Chemical Society, 2005 - ACS Publications
… , piperidines, indolizidines, and quinolizidines) have been … indolizidine alkaloids have
the 3,5- or 5,8-disubstituted structure, eg, 8, (−)-223A (9) was the first trisubstituted indolizidine

Iminium ion cascade reactions: stereoselective synthesis of quinolizidines and indolizidines

SM Amorde, IT Jewett, SF Martin - Tetrahedron, 2009 - Elsevier
… number of quinolizidines and indolizidines in a one-pot reaction sequence. This technology
has been used to effect the facile syntheses of several indolizidine and quinolizidine natural …

… , pyrrolizidines, indolizidines, and quinolizidines by cyclization of acetylenic sulfones with β-and γ-chloroamines. Enantioselective total synthesis of indolizidines (−) …

TG Back, K Nakajima - The Journal of Organic Chemistry, 2000 - ACS Publications
… the products provided concise syntheses of four dendrobatid … )-Δ 5,6 -indolizidine with
sodium cyanoborohydride in … synthesis of several dendrobatid alkaloids of the indolizidine