Recent advances in metal-catalysed asymmetric sigmatropic rearrangements
Y Liu, X Liu, X Feng - Chemical Science, 2022 - pubs.rsc.org
Asymmetric sigmatropic rearrangement is a powerful organic transformation via substrate-
reorganization to efficiently increase molecular complexity from readily accessible starting …
reorganization to efficiently increase molecular complexity from readily accessible starting …
Recent perspectives on rearrangement reactions of ylides via carbene transfer reactions
S Jana, Y Guo, RM Koenigs - Chemistry–A European Journal, 2021 - Wiley Online Library
Among the available methods to increase the molecular complexity, sigmatropic
rearrangements occupy a distinct position in organic synthesis. Despite being known for …
rearrangements occupy a distinct position in organic synthesis. Despite being known for …
Sigmatropic rearrangements of 'onium'ylids
JB Sweeney - Chemical Society Reviews, 2009 - pubs.rsc.org
Rearrangement reactions occupy a special place within the canon of organic synthesis, by
virtue of the inherently high efficiency of chemical processes which form and break bonds by …
virtue of the inherently high efficiency of chemical processes which form and break bonds by …
Tandem palladium and isothiourea relay catalysis: enantioselective synthesis of α-amino acid derivatives via allylic amination and [2, 3]-sigmatropic rearrangement
SSM Spoehrle, TH West, JE Taylor… - Journal of the …, 2017 - ACS Publications
A tandem relay catalytic protocol using both Pd and isothiourea catalysis has been
developed for the enantioselective synthesis of α-amino acid derivatives containing two …
developed for the enantioselective synthesis of α-amino acid derivatives containing two …
An isothiourea-catalyzed asymmetric [2, 3]-rearrangement of allylic ammonium ylides
TH West, DSB Daniels, AMZ Slawin… - Journal of the American …, 2014 - ACS Publications
Benzotetramisole promotes the catalytic asymmetric [2, 3]-rearrangement of allylic
quaternary ammonium salts (either isolated or prepared in situ from p-nitrophenyl …
quaternary ammonium salts (either isolated or prepared in situ from p-nitrophenyl …
Chiral auxiliaries-principles and recent applications
Y Gnas, F Glorius - Synthesis, 2006 - thieme-connect.com
With modern methods for asymmetric catalysis breaking ground, the use of chiral auxiliaries
seems to be old-fashioned and rather inefficient. However, for many transformations, chiral …
seems to be old-fashioned and rather inefficient. However, for many transformations, chiral …
Catalytic enantioselective [2, 3]-rearrangements of allylic ammonium ylides: a mechanistic and computational study
TH West, DM Walden, JE Taylor… - Journal of the …, 2017 - ACS Publications
A mechanistic study of the isothiourea-catalyzed enantioselective [2, 3]-rearrangement of
allylic ammonium ylides is described. Reaction kinetic analyses using 19F NMR and density …
allylic ammonium ylides is described. Reaction kinetic analyses using 19F NMR and density …
Remarkable Salt Effect on In-Mediated Allylation of N-tert-Butanesulfinyl Imines in Aqueous Media: Highly Practical Asymmetric Synthesis of Chiral Homoallylic …
XW Sun, M Liu, MH Xu, GQ Lin - Organic Letters, 2008 - ACS Publications
A highly practical and efficient asymmetric synthesis of chiral homoallylic amines by In-
mediated allylation of chiral N-tert-butanesulfinyl imines in aqueous media at room …
mediated allylation of chiral N-tert-butanesulfinyl imines in aqueous media at room …
Recent applications of ammonium ylide based [2, 3]-sigmatropic and [1, 2]-stevens rearrangements to transform amines into natural products
Z Schwartz, C Valiton, M Lovasz, AG Roberts - Synthesis, 2024 - thieme-connect.com
Ammonium ylide based [2, 3]-sigmatropic and [1, 2]-Stevens rearrangements enable the
transformation of tertiary amines into rearranged and functionalized intermediates en route …
transformation of tertiary amines into rearranged and functionalized intermediates en route …
Systematic study of the synthesis of macrocyclic dipeptide β-turn mimics possessing 8-, 9-, and 10-membered rings by ring-closing metathesis
R Kaul, S Surprenant, WD Lubell - The Journal of Organic …, 2005 - ACS Publications
A systematic study was performed to establish general synthesis protocols for forming
enantiomerically pure macrocyclic dipeptide lactams. Focusing on macrocycles of 8-, 9-, and …
enantiomerically pure macrocyclic dipeptide lactams. Focusing on macrocycles of 8-, 9-, and …