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The Tetrahydrofuran Motif in Polyketide Marine Drugs [PDF]

open access: yesMarine Drugs, 2022
Oxygen heterocycles are units that are abundant in a great number of marine natural products. Among them, marine polyketides containing tetrahydrofuran rings have attracted great attention within the scientific community due to their challenging ...
Asuncion Barbero, Carlos Díez-Poza
exaly   +5 more sources

The Tetrahydrofuran Motif in Marine Lipids and Terpenes

open access: yesMarine Drugs, 2022
Heterocycles are particularly common moieties within marine natural products. Specifically, tetrahydrofuranyl rings are present in a variety of compounds which present complex structures and interesting biological activities.
Asuncion Barbero, Carlos Díez-Poza
exaly   +3 more sources

Preparation and properties of Li7P2S8I solid electrolyte by wet-chemical method

open access: yesCailiao gongcheng, 2021
For advanced all-solid-state lithium batteries, the solid electrolyte is one of the most critical factors that significantly affect the performance of batteries. The Li7P2S8I solid-state electrolyte was successfully prepared by wet-chemical synthesis and
LIU Wei-ming   +6 more
doaj   +1 more source

Cetyltrimethylammonium Bromide (CTAB), Additives and Their Mixtures: The Experimental and Modeling Study [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
In the present investigation, firstly, the surface tension measurements were conducted for aqueous solutions of cetyltrimethylammonium bromide, acetonitrile, and tetrahydrofuran by using a pendant drop apparatus at the temperature of 298.15 K and ambient
Mahsa Rahmanzadeh   +4 more
doaj   +1 more source

Fabricated Gamma-Alumina-Supported Zinc Ferrite Catalyst for Solvent-Free Aerobic Oxidation of Cyclic Ethers to Lactones

open access: yesMolecules, 2023
The aim of this work was to fabricate a new heterogeneous catalyst as zinc ferrite (ZF) supported on gamma-alumina (γ-Al2O3) for the conversion of cyclic ethers to the corresponding, more valuable lactones, using a solvent-free method and O2 as an ...
Naaser A. Y. Abduh   +4 more
doaj   +1 more source

Frequency-Dependent Sonochemical Processing of Silicon Surfaces in Tetrahydrofuran Studied by Surface Photovoltage Transients

open access: yesMolecules, 2021
The field of chemical and physical transformations induced by ultrasonic waves has shown steady progress during the past decades. There is a solid core of established results and some topics that are not thoroughly developed.
Artem Podolian   +3 more
doaj   +1 more source

How Topological Differences between Two Oxide Surfaces Determine Selectivity—The Case of the Dehydra-Decyclization of Tetrahydrofuran

open access: yesChemistry, 2023
Production of butadiene from biomass-based tetrahydrofuran (THF) is explored as an alternative to the existing petroleum-based processes. Metal oxide catalysts have been shown to exhibit varying product selectivities when reacted with THF.
Sai Praneet Batchu   +2 more
doaj   +1 more source

Regioselective N-alkylation of the 1H-indazole scaffold; ring substituent and N-alkylating reagent effects on regioisomeric distribution

open access: yesBeilstein Journal of Organic Chemistry, 2021
The indazole scaffold represents a promising pharmacophore, commonly incorporated in a variety of therapeutic drugs. Although indazole-containing drugs are frequently marketed as the corresponding N-alkyl 1H- or 2H-indazole derivative, the efficient ...
Ryan M. Alam, John J. Keating
doaj   +1 more source

HDO REACTION OF THF USING Pt/γ-AL2O3 CATALYST ENRICHED BY ALUMINA : EFFECT OF TEMPERATURE TO PRODUCT DISTRIBUTION, RATE OF REACTION AND DEACTIVATON OF CATALYST

open access: yesAlchemy, 2016
Effect of temperature variation to product distribution, rate and deactivation of catalyst of tetrahydrifuran hydrodeoxygenation have been conducted using Pt/gAl2O3 with aluminum enrichmen. Reaction was conducted by flow system.
Yuniawan Hidayat   +3 more
doaj   +1 more source

Sulfamerazine tetrahydrofuran monosolvate

open access: yesIUCrData, 2016
The title solvate, C11H12N4O2S·C4H8O, crystallizes with three molecules of sulfamerazine [4-amino-N-(4-methylpyrimidin-2-yl)benzenesulfonamide] and three molecules of tetrahydrofuran solvent in the asymmetric unit.
G. M. Golzar Hossain
doaj   +1 more source

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