Amino Acid-Derived Ionic Chiral Catalysts Enable Desymmetrizing Cross-Coupling to Remote Acyclic Quaternary Stereocenters

J Wei, V Gandon, Y Zhu - Journal of the American Chemical …, 2023 - ACS Publications
Synthetic application of asymmetric catalysis relies on strategic alignment of bond
construction to creation of chirality of a target molecule. Remote desymmetrization offers …

Diastereodivergence in catalytic asymmetric conjugate addition of carbon nucleophiles

B Kim, H Lee, I Song, SY Lee - Chemical Society Reviews, 2025 - pubs.rsc.org
Catalytic asymmetric conjugate additions of carbon nucleophiles have emerged as a potent
tool for constructing multi-stereogenic molecules with precise stereochemical control. This …

Enantioselective total synthesis of (−)-himalensine a via a palladium and 4-hydroxyproline co-catalyzed desymmetrization of vinyl-bromide-tethered cyclohexanones

R Kučera, SR Ellis, K Yamazaki… - Journal of the …, 2023 - ACS Publications
Herein, we describe the convergent enantioselective total synthesis of himalensine A in 18
steps, enabled by a highly enantio-and diastereoselective construction of the morphan core …

How the Chalcogen Atom Size Dictates the Hydrogen‐Bond Donor Capability of Carboxamides, Thioamides, and Selenoamides

C Nieuwland, C Fonseca Guerra - Chemistry–A European …, 2022 - Wiley Online Library
The amino groups of thio‐and selenoamides can act as stronger hydrogen‐bond donors
than of carboxamides, despite the lower electronegativity of S and Se. This phenomenon …

Recent Advances in Organocatalytic Asymmetric Synthesis of Bicyclo [3.3. 1] nonane Frameworks

RR Ma, BY Liu, L Yan, JB Lin… - Advanced Synthesis & …, 2024 - Wiley Online Library
The bicyclo [3.3. 1] nonane ring represents an attractive yet challenging synthetic targets in
the field of organic synthesis, especially in a stereocontrolled fashion. Over the past two …

Enantioselective Total Synthesis of (+)‐Incargranine A Enabled by Bifunctional Iminophosphorane and Iridium Catalysis

AAM Miller, P Biallas, BDA Shennan… - Angewandte …, 2024 - Wiley Online Library
Herein we report the first enantioselective total synthesis of (+)‐incargranine A, in nine steps.
The total synthesis was enabled by an enantioselective intramolecular organocatalysed …

Visible-light-driven PCy 3-promoted deselenization of 1, 2-diselenides

Y Liu, F Li, MC Liu, YB Zhou, HY Wu - Organic Chemistry Frontiers, 2024 - pubs.rsc.org
Deselenization of 1, 2-diselenides offers a promising tool for the construction of
organochalcogenides. However, the requirement of transition metals and harsh reaction …

Divergent Asymmetric Total Syntheses of (−)-Alloaristoteline and (+)-Aristoteline via Directed Indolization Strategies

TH Jeon, CG Cho - Organic letters, 2023 - ACS Publications
A divergent asymmetric synthetic route to (−)-alloaristoteline and (+)-aristoteline is
described. The key doubly bridged tricyclic enol triflate common intermediate prepared via …

Enantioselective Desymmetrization of 1, 3‐Dicarbonyl Compounds through Transition‐Metal‐Catalyzed Intramolecular Cyclization Reactions

RX Liang, JQ Xie, HJ Cai, S Sun, JY Wang… - …, 2024 - Wiley Online Library
The development of reliable approaches to construct enantioenriched cyclic ketones
bearing multiple stereocenters has attracted intense interest in synthetic chemistry, yet …

Advances in Catalytic Asymmetric Construction of Quaternary Stereogenic Centers by Conjugate Addition to β, β‐Disubstituted Nitroalkenes

S Paladhi, J Hyun Park, B Jana… - Advanced Synthesis …, 2023 - Wiley Online Library
Quaternary stereogenic centers are of great importance because of their prevalence in a
series of bioactive natural products and pharmaceuticals. Although the catalytic asymmetric …