Stereoselective synthesis and applications of spirocyclic oxindoles

AJ Boddy, JA Bull - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
The development of novel synthetic strategies to form new chemical entities in a
stereoselective manner is an ongoing significant objective in organic and medicinal …

Recent advances in organocatalytic asymmetric multicomponent cascade reactions for enantioselective synthesis of spirooxindoles

Y Wang, AA Cobo, AK Franz - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
Asymmetric catalytic multicomponent cascade reactions have become indispensable tools
for enantioselective construction of spirooxindoles. In recent years, a number of successful …

New development in the enantioselective synthesis of spiro compounds

A Ding, M Meazza, H Guo, JW Yang… - Chemical Society Reviews, 2018 - pubs.rsc.org
The enantioselective synthesis of spirocycles has long been pursued by organic chemists.
Despite their unique 3D properties and presence in several natural products, the difficulty in …

Catalytic asymmetric synthesis of spirooxindoles: recent developments

GJ Mei, F Shi - Chemical Communications, 2018 - pubs.rsc.org
Chiral spirooxindoles are privileged heterocyclic motifs, which are widely found in natural
alkaloids and pharmaceuticals. Moreover, the construction of chiral spiro-cyclic frameworks …

Asymmetric Cycloaddition and Cyclization Reactions Catalyzed by Chiral N,N′-Dioxide–Metal Complexes

X Liu, H Zheng, Y Xia, L Lin, X Feng - Accounts of chemical …, 2017 - ACS Publications
Conspectus Catalytic asymmetric cycloadditions and cascade cyclizations are a major focus
for the enantioselective construction of chiral carbo-and heterocycles. A number of chiral …

Catalytic enantioselective construction of spiro quaternary carbon stereocenters

PW Xu, JS Yu, C Chen, ZY Cao, F Zhou, J Zhou - ACS Catalysis, 2019 - ACS Publications
The catalytic enantioselective assembly of spirocyclic molecules featuring a spiro quaternary
carbon stereocenter is currently of great interest because such privileged 3D structures are …

An update on the progress of cycloaddition reactions of 3-methyleneindolinones in the past decade: versatile approaches to spirooxindoles

R Saeed, AP Sakla, N Shankaraiah - Organic & Biomolecular …, 2021 - pubs.rsc.org
Cycloaddition reactions are of great interest due to their potential and rapid construction of
optically enriched spiro-cyclic products. 3-Methyleneindolinones have been proven to be a …

Base-Mediated Divergent Synthesis of Spiro-heterocycles Using Pronucleophiles and Ethylene via Thianthrenation

H Wu, J Wang, H Jing, Z Zhang, W Ou, C Su - Organic Letters, 2024 - ACS Publications
Spirocyclic compounds are abundant in biologically active products. However, the divergent
synthesis of spirocyclic compounds using low-cost and abundant available starting materials …

Palladium-catalyzed asymmetric (4+ 2) annulation of γ-methylidene-δ-valerolactones with alkenes: Enantioselective synthesis of functionalized chiral cyclohexyl …

ZL Jia, XT An, YH Deng, LH Pang, CF Liu… - Organic …, 2021 - ACS Publications
An unprecedented asymmetric catalytic (4+ 2) annulation reaction of aryl-substituted γ-
methylidene-δ-valerolactones (GMDVs) with isatin-derived para-quinone methides (p-QMs) …

Asymmetric Catalytic Vinylogous Addition Reactions Initiated by Meinwald Rearrangement of Vinyl Epoxides

J Xu, Y Song, J He, S Dong, L Lin… - Angewandte Chemie …, 2021 - Wiley Online Library
The first catalytic asymmetric multiple vinylogous addition reactions initiated by Meinwald
rearrangement of vinyl epoxides were realized by employing chiral N, N′‐dioxide/ScIII …