Diastereo‐and Enantioselective Silver‐Catalyzed [3+ 3] Cycloaddition and Kinetic Resolution of Azomethine Imines with Activated Isocyanides

LF Tao, S Zhang, F Huang, WT Wang… - Angewandte Chemie …, 2022 - Wiley Online Library
In contrast to the well‐established [3+ 2] cycloaddition reactions, the catalytic
enantioselective [3+ n](n≥ 3) cycloaddition reaction of activated isocyanides for the …

Copper (II)‐Catalyzed Asymmetric 1, 3‐Dipolar [3+ 4] Cycloaddition and Kinetic Resolution of Azomethine Imines with Azoalkenes

L Wei, ZF Wang, L Yao, G Qiu, H Tao… - Advanced Synthesis …, 2016 - Wiley Online Library
An unprecedented copper (II)‐catalyzed enantioselective 1, 3‐dipolar [3+ 4] cycloaddition of
azomethine imines with in situ formed azoalkenes has been realized. This strategy provides …

Silver(I)- and Base-Mediated [3 + 3]-Cycloaddition of C,N-Cyclic Azomethine Imines with Aza-oxyallyl Cations

X Cheng, X Cao, J Xuan, WJ Xiao - Organic letters, 2018 - ACS Publications
A silver (I) and base-mediated [3+ 3]-cycloaddition reaction of in situ generated C, N-cyclic
azomethine imines with in situ formed aza-oxyallyl cations is reported. This one-pot …

Copper‐Catalyzed Enantioselective C1, N‐Dipolar (3+ 2) Cycloadditions of 2‐Aminoallyl Cations with Indoles

L Shen, Y Zheng, Z Lin, T Qin, Z Huang… - Angewandte …, 2023 - Wiley Online Library
Aminoallyl cations are versatile 1, 3‐dipoles that could potentially be used for diverse (3+ n)
cycloaddition reactions. Despite some preliminary studies, the asymmetric catalytic …

Catalytic asymmetric [3+ 2] cycloaddition reaction between aurones and isocyanoacetates: Access to spiropyrrolines via silver catalysis

ZP Wang, S Xiang, PL Shao, Y He - The Journal of Organic …, 2018 - ACS Publications
The first enantioselective formal [3+ 2] cycloaddition of aurone analogues with
isocyanoacetates was developed via chiral Ag-complex catalysis. A variety of optically …

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 …

[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 …

Asymmetric Formal [3+ 2] Cycloaddition Reaction of Isocyanoesters to 2‐Oxobutenoate Esters by a Multifunctional Chiral Silver Catalyst

J Song, C Guo, PH Chen, J Yu, SW Luo… - Chemistry–A European …, 2011 - infona.pl
Silver‐standard selectivity! The first highly enantioselective formal [3+ 2] cycloaddition
reaction of isocyanoesters with 2‐oxobutenoate esters catalyzed by a chiral silver complex …

[3+ 3]-Cycloaddition reactions of α-acidic isocyanides with 1, 3-dipolar azomethine imines

J Du, X Xu, Y Li, L Pan, Q Liu - Organic letters, 2014 - ACS Publications
α-Acidic isocyanides are versatile reagents in organic synthesis, especially for the synthesis
of five-membered heterocycles via [3+ 2]-cycloaddition reactions with activated multiple …

Highly Diastereo‐and Enantioselective Silver‐Catalyzed Double [3+ 2] Cyclization of α‐Imino Esters with Isocyanoacetate

PL Shao, JY Liao, YA Ho, Y Zhao - … Chemie International Edition, 2014 - Wiley Online Library
Presented herein is a new complexity‐generating method in which both functionalities of α‐
imino esters undergo stereoselective cyclization with isocyanoacetates to produce directly …