Expeditious entry into carbocyclic and heterocyclic spirooxindoles

M Ganesh, S Suraj - Organic & Biomolecular Chemistry, 2022 - pubs.rsc.org
Spirocyclic frameworks have attracted synthetic practitioners due to their unique three-
dimensional assembly, improved metabolic stability, solubility, and increased molecular …

Decade Advance of Isatin in Three‐component Reactions

S Zhang, D Huang, J Wu, Z Wang - Asian Journal of Organic …, 2023 - Wiley Online Library
Isatin is an important building block in organic synthesis. The electron‐deficient carbonyl in
C‐3 site is similar to aldehyde. C‐3 carbonyl is also able to function as the O‐nucleophile …

Synthesis of carbamoyl fluorides via a selective fluorinative Beckmann fragmentation

JW Song, HN Lim - Organic Letters, 2021 - ACS Publications
A fluorinative Beckmann fragmentation of α-oximinoamides was devised to provide
synthetically useful carbamoyl fluorides. High selectivity for fragmentation over a potentially …

Dipolarophile-Controlled Regioselective 1,3-Dipolar Cycloaddition: A Switchable Divergent Access to Functionalized N-Fused Pyrrolidinyl Spirooxindoles

Y Wang, L Yan, Y Yan, S Li, H Lu, J Liu… - International Journal of …, 2023 - mdpi.com
N-fused pyrrolidinyl spirooxindole belongs to a class of privileged heterocyclic scaffolds and
is prevalent in natural alkaloids and synthetic pharmaceutical molecules. To realize the …

Isatin conjugates as antibacterial agents: a brief review

F Hassan, I Azad, M Asif, D Shukla… - Medicinal …, 2023 - ingentaconnect.com
Pathogenic bacteria, with their innate resistance to drugs, pose a constant threat to human
health and well-being and put a persistent strain on the health care system. Development of …

Substrate-controlled regioselectivity switchable [3+ 2] annulations to access spirooxindole skeletons

KK Wang, YL Li, R Chen, ZY Wang, NB Li… - The Journal of …, 2022 - ACS Publications
The additive-free [3+ 2] annulation from isatins, amino acids with 2-styrylbenzoxazoles, was
described, providing a series of functional and structurally complex 3, 3′-pyrrolidinyl …

Direct synthesis of N-functionalized indoles through isomerization of azomethine ylides

JR Song, XJ Li, J Shi, Q Chi, W Wu… - Organic & Biomolecular …, 2024 - pubs.rsc.org
An unexpected isomerization of azomethine ylides generated in situ from isatin with indoline-
2-carboxylic acid has been disclosed, providing direct access to N-functionalized indole …

Modern Synthetic Strategies with Organoselenium Reagents: A Focus on Vinyl Selenones

M Palomba, I Franco Coelho Dias, O Rosati, F Marini - Molecules, 2021 - mdpi.com
In recent years, vinyl selenones were rediscovered as useful building blocks for new
synthetic transformations. This review will highlight these advances in the field of multiple …

Transition‐Metal‐Free Synthesis of N‐Heterocyclic Compounds via Multi‐Component Reactions

DJ Boruah, L Borkotoky, UD Newar… - Asian Journal of …, 2023 - Wiley Online Library
Multicomponent reactions (MCRs) have emerged as powerful tools in synthetic chemistry for
the efficient synthesis of diverse molecular scaffolds, particularly nitrogen‐containing …

Decarboxylative 1, 3-dipolar cycloadditions of L-proline

F Doraghi, A Serajian, S Karimian, M Ghanbarlou… - RSC …, 2024 - pubs.rsc.org
1, 3-Dipolar cycloaddition is one of the important chemical reactions between a 1, 3-dipole
and a dipolarophile to construct a five-membered heterocyclic compound. As an available α …