Expeditious entry into carbocyclic and heterocyclic spirooxindoles
Spirocyclic frameworks have attracted synthetic practitioners due to their unique three-
dimensional assembly, improved metabolic stability, solubility, and increased molecular …
dimensional assembly, improved metabolic stability, solubility, and increased molecular …
[HTML][HTML] Recent advances in the microwave-and ultrasound-assisted green synthesis of coumarin-heterocycles
Given the importance of the highly reactive nature and attractiveness of coumarins as a
precursor of natural products and pharmacological agents, tremendous efforts have been …
precursor of natural products and pharmacological agents, tremendous efforts have been …
Recent updates on the stereoselective synthesis of structurally functionalized spiro-oxindoles mediated by isatin N, N´‑cyclic azomethine imine 1, 3-dipoles
B Borah, LR Chowhan - Tetrahedron Letters, 2022 - Elsevier
Spirooxindoles are frequently encountered in the basic skeleton of a diverse range of
natural alkaloids and therapeutically significant molecules. Consequently, the developments …
natural alkaloids and therapeutically significant molecules. Consequently, the developments …
Synthesis of in situ immobilized iron oxide nanoparticles (Fe3O4) on microcrystalline cellulose: Ecofriendly and recyclable catalyst for Michael addition
Microcrystalline cellulose‐immobilized Fe3O4 magnetic nanoparticles (Fe3O4@ MCC) with
iron loading 5%–20% are synthesized and characterized by scanning electron microscopy …
iron loading 5%–20% are synthesized and characterized by scanning electron microscopy …
Brønsted acid catalyzed mechanochemical domino multicomponent reactions by employing liquid assisted grindstone chemistry
Here, we have demonstrated a metal-free energy-efficient mechanochemical approach for
expedient access to a diverse set of 2-amino-3-cyano-aryl/heteroaryl-4 H-chromenes …
expedient access to a diverse set of 2-amino-3-cyano-aryl/heteroaryl-4 H-chromenes …
Organocatalyzed cycloaddition reactions of azomethine imines—A lookback
BK Jose, A Simon, N Subrahmanian… - Journal of …, 2024 - Wiley Online Library
The versatile and convergent nature of 1, 3‐dipolar cycloaddition reactions has made them
an indispensable tool in organic chemistry for synthesizing five‐membered heterocycles …
an indispensable tool in organic chemistry for synthesizing five‐membered heterocycles …
Magnetic chitosan stabilized Cu (II)-tetrazole complex: An effective nanocatalyst for the synthesis of 3-imino-2-phenylisoindolin-1-one derivatives under ultrasound …
In the present research, a recyclable catalyst has been prepared via a simple approach
using chitosan as a linear polysaccharide. This paper reports the synthesis of novel copper …
using chitosan as a linear polysaccharide. This paper reports the synthesis of novel copper …
DABCO-Catalyzed Mono-/Diallylation of N-Unsubstituted Isatin N,N′-Cyclic Azomethine Imine 1,3-Dipoles with Morita-Baylis-Hillman Carbonates
Q Wang, S Li, G Yang, X Zou, X Yin, J Feng, H Chen… - Molecules, 2023 - mdpi.com
Allylation of N-unsubstituted isatin N, N′-cyclic azomethine imines with Morita-Baylis-
Hillman carbonates in the presence of 1–10 mol% DABCO in DCM at room temperature …
Hillman carbonates in the presence of 1–10 mol% DABCO in DCM at room temperature …
New Synthetic Approaches to Benzo-Fused Spiro Heterocycles
IZ Musabirov, RR Gataullin - Russian Journal of Organic Chemistry, 2022 - Springer
The review describes syntheses of new benzo-fused spiro heterocycles by reactions of
isatins, oxindoles, and indenoquinoxalines with nitroalkenes, chalcones in the presence of …
isatins, oxindoles, and indenoquinoxalines with nitroalkenes, chalcones in the presence of …
Microwave-assisted multicomponent reaction: An efficient synthesis of indolyl substituted and spiroxindole pyrido[2,3-d]pyrimidine derivatives
J Wang, S Zhu, Y Liu, X Zhu, K Shi, X Li… - Synthetic …, 2022 - Taylor & Francis
An efficient and catalyst-free protocol for the synthesis of a series of indole substituted or
spiroxindole-consisted dihydropyrido [2, 3-d] pyrimidine derivatives by one-pot three …
spiroxindole-consisted dihydropyrido [2, 3-d] pyrimidine derivatives by one-pot three …