Chiral hypervalent iodines: active players in asymmetric synthesis
A Parra - Chemical reviews, 2019 - ACS Publications
Asymmetric organocatalytic oxidations have been witnessed to an impressive development
in the last years thanks to the establishment of important chiral hypervalent iodines (III/V) …
in the last years thanks to the establishment of important chiral hypervalent iodines (III/V) …
New developments of the principle of vinylogy as applied to π-extended enolate-type donor systems
The principle of vinylogy states that the electronic effects of a functional group in a molecule
are possibly transmitted to a distal position through interposed conjugated multiple bonds …
are possibly transmitted to a distal position through interposed conjugated multiple bonds …
Remote stereocontrol with azaarenes via enzymatic hydrogen atom transfer
Strategies for achieving asymmetric catalysis with azaarenes have traditionally fallen short
of accomplishing remote stereocontrol, which would greatly enhance accessibility to distinct …
of accomplishing remote stereocontrol, which would greatly enhance accessibility to distinct …
Advances in Organocatalytic 1, 6‐Addition Reactions: Enantioselective Construction of Remote Stereogenic Centers
P Chauhan, U Kaya, D Enders - Advanced Synthesis & …, 2017 - Wiley Online Library
Abstract Due to the competing 1, 4‐addition reactions and the distance from the chirality
information, the construction of a remote stereogenic center via 1, 6‐addition reactions is …
information, the construction of a remote stereogenic center via 1, 6‐addition reactions is …
Prevalence of diarylprolinol silyl ethers as catalysts in total synthesis and patents
GJ Reyes-Rodríguez, NM Rezayee… - Chemical …, 2019 - ACS Publications
Diarylprolinol silyl ethers are among the most utilized stereoselective organocatalysts for the
construction of complex molecules. With their debut in 2005, these catalysts have been …
construction of complex molecules. With their debut in 2005, these catalysts have been …
Intertwining Olefin Thianthrenation with Kornblum/Ganem Oxidations: Ene‐type Oxidation to Furnish α, β‐Unsaturated Carbonyls
A widely applicable, practical, and scalable synthetic method for efficient ene‐type double
oxidation of alkenes is reported via a two‐step alkenyl thianthrenium umpolung/Kornblum …
oxidation of alkenes is reported via a two‐step alkenyl thianthrenium umpolung/Kornblum …
Gold (III)‐Catalyzed Site‐Selective and Divergent Synthesis of 2‐Aminopyrroles and Quinoline‐Based Polyazaheterocycles
A facile, site‐selective, and divergent approach to construct 2‐aminopyrroles and quinoline‐
fused polyazaheterocycles enabled by a simple gold (III) catalyst from ynamides and …
fused polyazaheterocycles enabled by a simple gold (III) catalyst from ynamides and …
Revealing the similarities of α, β‐unsaturated iminiums and acylazoliums in organocatalysis
The secondary amine‐catalyzed reactions proceeding via α, β‐unsaturated iminiums and
the N‐heterocyclic carbene (NHC)‐catalyzed transformations taking place via α, β …
the N‐heterocyclic carbene (NHC)‐catalyzed transformations taking place via α, β …
Sterically Hindered and Deconjugative α‐Regioselective Asymmetric Mannich Reaction of Meinwald Rearrangement‐Intermediate
J Xu, Y Song, J Yang, B Yang, Z Su… - Angewandte Chemie …, 2023 - Wiley Online Library
Compared to γ‐addition, the α‐addition of α‐branched β, γ‐unsaturated aldehydes faces
larger steric hindrance and disrupts the π–π conjugation, which might be why very few …
larger steric hindrance and disrupts the π–π conjugation, which might be why very few …
N-Heterocyclic Carbene-Catalyzed Remote Enantioselective C–C Bond Formation via 1,6-Addition with Formyl Enynes
X Peng, Y Huang, W Wang, S Li, G Hao, S Ren… - ACS …, 2024 - ACS Publications
N-Heterocyclic carbenes (NHCs) have emerged as powerful organocatalysts in controlling
the stereoselectivities of the reaction sites that are remote from the catalyst-binding position …
the stereoselectivities of the reaction sites that are remote from the catalyst-binding position …