Results 141 to 150 of about 90,377 (200)

An Efficient One‐Pot Synthesis of 2‐Amino‐4H‐pyrans.

ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A. Zonouzi, D. Kazemi, M. Nezamabadi
openaire   +1 more source

A Review on the Recent Multicomponent Synthesis of 4H-Pyran Derivatives

Mini-Reviews in Organic Chemistry
Abstract: 4H-Pyran is a well-known moiety, which appears in various natural and synthetic products. These compounds include various biological activities like anti-hepatotoxic, antitumor, anti-inflammatory, antioxidant, anti-spasmolytic, diuretic, estrogenic, anticoagulant, antifungal, antiviral, anti-helminthic, antimicrobial, hypothermal, anti ...
Ghada G. El-Bana, Mohammed A. Salem, Mohamed H. Helal, Osama Alharbi, Moustafa A. Gouda   +4 more
openaire   +1 more source

Waste mussel shell as a highly efficient heterogeneous catalyst for the synthesis of polyfunctionalized 4H-pyrans in aqueous media

Reaction Kinetics, Mechanisms and Catalysis, 2020
U. P. Patil, R. C. Patil, Suresh S. Patil   +2 more
semanticscholar   +1 more source

An Organocatalytic Newer Synthetic Strategy Toward the Access of Polyfunctionalized 4H-Pyrans via Multicomponent Reactions

, 2020
R. Ramesh, Jayaraj Jayamathi, C. Karthika, J. Małecki, A. Lalitha   +4 more
semanticscholar   +1 more source

Recyclization of 4H-pyrans to 4H-selenopyrans

Chemistry of Heterocyclic Compounds, 1998
B. I. Drevko, M. A. Suchkov, V. G. Kharchenko   +2 more
openaire   +1 more source

Preparation and characterization of Ca-modified Co/Al2O3 and its catalytic application in the one-pot synthesis of 4H-pyrans

Research on chemical intermediates (Print), 2020
Sakineh Khaledi, Mahboobeh Rajabi, A. Momeni, H. Samimi, J. Albadi   +4 more
semanticscholar   +1 more source

Review on Synthesis and Medicinal Application of Dihydropyrano[3,2-b]Pyrans and Spiro-Pyrano[3,2-b]Pyrans by Employing the Reactivity of 5-Hydroxy-2-(Hydroxymethyl)-4H-Pyran-4-One

Polycyclic Aromatic Compounds, 2022
Biplob Borah, L Raju Chowhan, Kartikey Dhar Dwivedi   +2 more
exaly  

Synthetic Approaches to the 4H-Pyran Ring

HETEROCYCLES, 1980
José L. Soto, C. Seoane, J. L. Soto, M. Quinterio   +3 more
openaire   +1 more source

ChemInform Abstract: 4H‐PYRANS. (REVIEW)

Chemischer Informationsdienst, 1983
O. V. DRYGINA, A. D. GARNOVSKII
openaire   +1 more source

Copper-Catalyzed Synthesis of Trifluoromethylated 4H-Pyrans

Synfacts, 2022
openaire   +1 more source