Results 31 to 40 of about 2,159 (193)

Transition metal-catalyzed synthesis of spirooxindoles

RSC Advances, 2021
Spirooxindoles are used as anticancer-, antiviral-, antimicrobial agents etc. The use of transition metals as catalysts for the synthesis of spirooxindoles is advancing rapidly. Here, we focus on recent advances in transition metal-catalyzed synthesis of spirooxindoles.
P. V. Saranya, Mohan Neetha, Thaipparambil Aneeja, Gopinathan Anilkumar   +3 more
openaire   +3 more sources

From data to discovery: leveraging big data in plant natural products biosynthesis research. [PDF]

Plant J
SUMMARY Plant natural products or specialized metabolites play a vital role in drug discovery and development, with many clinically important derivatives such as the anticancer drugs topotecan (derived from the natural alkaloid camptothecin) and etoposide (derived from the natural polyphenol podophyllotoxin).
McConnachie M, Nguyen TM, Kim T, Nguyen TD, Dang TT.   +4 more
europepmc   +2 more sources

Antitumor properties of certain spirooxindoles towards hepatocellular carcinoma endowed with antioxidant activity

Journal of Enzyme Inhibition and Medicinal Chemistry, 2020
In the current medical era, spirooxindole motif stands out as a privileged heterospirocyclic scaffold that represents the core for a wide range of bioactive naturally isolated products (such as Strychnofoline and spirotryprostatins A and B) and synthetic
Sara T. Al-Rashood, Ahmed R. Hamed, Ghada S. Hassan, Hamad M. Alkahtani, Abdulrahman A. Almehizia, Amal Alharbi, Mohammad M. Al-Sanea, Wagdy M. Eldehna   +7 more
doaj   +1 more source

[Bmim]Br Accelerated One-Pot Three-Component Cascade Protocol for the Construction of Spirooxindole–Pyrrolidine Heterocyclic Hybrids

Molecules, 2020
Our synthetic approach for the assembly of structurally complex spirooxindole heterocyclic hybrids was based on an ionic liquid, [bmim]Br mediated one-pot three-component cascade reaction strategy involving 1,3-dipolar cycloaddition reaction of N-1-(2 ...
Raju Suresh Kumar, Dhaifallah M. Al-thamili, Abdulrahman I. Almansour, Natarajan Arumugam, Necmi Dege   +4 more
doaj   +1 more source

Tri(n-butyl)phosphine-promoted domino reaction for the efficient construction of spiro[cyclohexane-1,3'-indolines] and spiro[indoline-3,2'-furan-3',3''-indolines]

Beilstein Journal of Organic Chemistry, 2022
The tri(n-butyl)phosphine-catalyzed reaction of isatylidene malononitriles and bis-chalcones in chloroform at 65 °C afforded functionalized spiro[cyclohexane-1,3'-indolines] in good yields and with good diastereoselectivity.
Hui Zheng, Ying Han, Jing Sun, Chao-Guo Yan   +3 more
doaj   +1 more source

Drug Repurposing of Lactoferrin Combination in a Nanodrug Delivery System to Combat Severe Acute Respiratory Syndrome Coronavirus-2 Infection

Dr. Sulaiman Al Habib Medical Journal, 2021
A drug repurposing approach for Food and Drug Administration (FDA)-approved drugs and preclinical entity by using cheminformatics and chemical transformational method, with the objective of discovering safer novel potent inhibitors that are selective for
Assem Barakat, Abdullah Mohammed Al-Majid, Gehad Lotfy, Mohamed Ali, Ahmed Mostafa, Yaseen A.M.M. Elshaier   +5 more
doaj   +1 more source

Construction of diazepine-containing spiroindolines via annulation reaction of α-halogenated N-acylhydrazones and isatin-derived MBH carbonates

Beilstein Journal of Organic Chemistry, 2023
A straightforward synthetic protocol for the efficient construction of diazepine-containing spiroindolines has been developed and proceeds through a by base-promoted annulation reaction of α-halogenated N-acylhydrazones and isatin-derived MBH carbonates.
Xing Liu, Wenjing Shi, Jing Sun, Chao-Guo Yan   +3 more
doaj   +1 more source

[3+2] Cycloaddition Reaction for the Stereoselective Synthesis of a New Spirooxindole Compound Grafted Imidazo[2,1-b]thiazole Scaffold: Crystal Structure and Computational Study

Crystals, 2021
A new spirooxindole hybrid engrafted imidazo[2,1-b]thiazole core structure was designed and achieved via [3+2] cycloaddition reaction approach. One multi-component reaction between the ethylene derivative based imidazo[2,1-b]thiazole scaffold with 6-Cl ...
Mezna Saleh Altowyan, Saied M. Soliman, Matti Haukka, Nora Hamad Al-Shaalan, Aminah A. Alkharboush, Assem Barakat   +5 more
doaj   +1 more source

Utilizing MEDT analysis of [3 + 2] cycloaddition reaction: x-ray crystallography of spirooxindole linked with thiophene/furan heterocycles and triazole framework. [PDF]

BMC Chem
Alayyaf AA, Ali M, Alwehaibi MA, Al-Muhanna MK, Soliman SM, Ríos-Gutiérrez M, Haukka M, Barakat A.   +7 more
europepmc   +3 more sources

Facial Regioselective Synthesis of Novel Bioactive Spiropyrrolidine/Pyrrolizine-Oxindole Derivatives via a Three Components Reaction as Potential Antimicrobial Agents

Molecules, 2017
This article presents the synthesis of new derivatives of spirooxindole-spiropiperidinone- pyrrolidines 6a–j and spirooxindole-spiropiperidinone-pyrrolizines 8a–j, through a 1,3-dipolar cycloaddition reaction of azomethineylides generated from isatin ...
Huwaida M. E. Hassaneen, Elshimaa M. Eid, Hamid A. Eid, Thoraya A. Farghaly, Yahia Nasser Mabkhot   +4 more
doaj   +1 more source