Copper/Chiral Phosphoric-Acid-Catalyzed Intramolecular Reductive Isocyanide-Alkene (1+ 2) Cycloaddition: Enantioselective Construction of 2-Azabicyclo [3.1. 0] …

S Cheng, T Yu, J Li, Y Liang, S Luo… - Journal of the American …, 2024 - ACS Publications
Enantioenriched 2-azabicyclo [3.1. 0] hexanes are accessed from readily available allyl
substituted α-isocyanoesters by intramolecular (1+ 2) cycloaddition with the olefinic moiety …

Direct Asymmetric Formal [3 + 2] Cycloaddition Reaction of Isocyanoesters with β-Trifluoromethyl β,β-Disubstituted Enones Leading to Optically Active …

B Xu, ZM Zhang, L Zhou, J Zhang - Organic letters, 2018 - ACS Publications
A highly enantioselective copper-catalyzed [3+ 2] cycloaddition reaction of α-isocyanoesters
with β, β-disubstituted enones has been developed. Dihydropyrroles were obtained in …

[PDF][PDF] Organocatalytic asymmetric formal [3+ 2] cycloaddition reaction of isocyanoesters to nitroolefins leading to highly optically active dihydropyrroles

C Guo, MX Xue, MK Zhu, LZ Gong - … -INTERNATIONAL EDITION IN …, 2008 - academia.edu
Heterocyclic compounds containing a chiral pyrrolidine motif commonly appear in natural
alkaloids and pharmaceutically active substances, and serve as building blocks commonly …

Silver-catalyzed asymmetric desymmetrization of cyclopentenediones via [3+ 2] cycloaddition with α-substituted isocyanoacetates

J George, HY Kim, K Oh - Organic letters, 2018 - ACS Publications
A highly selective and practical asymmetric Ag (I) catalyst system has been developed for
the [3+ 2] cycloaddition reactions between isocyanoacetates and cyclopentenediones. The …

Copper‐Catalyzed 1, 4‐Addition of Organoboronates to Alkylidene Cyanoacetates: Mechanistic Insight and Application to Asymmetric Catalysis

K Takatsu, R Shintani, T Hayashi - Angewandte Chemie International …, 2011 - infona.pl
In addition: A copper/N‐heterocyclic carbene (NHC)‐catalyzed 1, 4‐addition of
organoboronates to alkylidene cyanoacetates was developed, in which the catalytic cycle is …

Copper-catalyzed highly enantioselective cyclopentannulation of indoles with donor–acceptor cyclopropanes

H Xiong, H Xu, S Liao, Z Xie, Y Tang - Journal of the American …, 2013 - ACS Publications
A highly diastereo-and enantioselective BOX/Cu (II)-catalyzed C2, C3-cyclopentannulation
of indoles with donor–acceptor cyclopropanes has been developed on the basis of …

Asymmetric construction of 3-azabicyclo [3.1. 0] hexane skeleton with five contiguous stereogenic centers by Cu-catalyzed 1, 3-dipolar cycloaddition of trisubstituted …

H Deng, WL Yang, F Tian, W Tang, WP Deng - Organic letters, 2018 - ACS Publications
A highly diastereo-and enantioselective desymmetrization of prochiral cyclopropenes via a
Cu (CH3CN) 4BF4/Ph-Phosferrox complex catalyzed 1, 3-dipolar cycloaddition of …

Highly convergent modular access to poly-carbon substituted cyclopropanes via Cu (I)-catalyzed three-component cyclopropene carboallylation

H Li, M Zhang, H Mehfooz, D Zhu, J Zhao… - Organic Chemistry …, 2019 - pubs.rsc.org
We report herein the first example of conjunctive C–C cross-coupling of cyclopropenes
enabled by a Cu-catalyzed three-component reaction of organoboron, cyclopropene and …

Assembly of polysubstituted chiral cyclopropylamines via highly enantioselective Cu-catalyzed three-component cyclopropene alkenylamination

Y Zhang, Y Li, W Zhou, M Zhang, Q Zhang… - Chemical …, 2020 - pubs.rsc.org
Enabled by a commercial bisphosphine ligand, the Cu-catalyzed three-component
cyclopropene alkenylamination with alkenyl organoboron reagent and hyroxyamine esters …

Diastereo-and enantioselective synthesis of biaryl aldehydes bearing both axial and central chirality

F Huang, LF Tao, J Liu, L Qian, JY Liao - Chemical Communications, 2023 - pubs.rsc.org
We describe herein an intriguing method for the synthesis of biaryl aldehydes bearing both
axial and central chirality through a desymmetric [3+ 2] cycloaddition reaction of activated …