Results 11 to 20 of about 49,414 (256)
Electrochemical radical bromination and cyclization sequences of alkenoic acids developed in this study. This approach is environmental-friendly by using carbon tetrabromide as a bromine radical precursor. The electrochemical protocol offers a facile way
Kyeong Seop Kim (12088131) +1 more
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Activation of Munc13‑1 by Diacylglycerol (DAG)-Lactones
Munc13-1 is a key protein necessary for vesicle fusion and neurotransmitter release in the brain. Diacylglycerol (DAG)/phorbol ester binds to its C1 domain in the plasma membrane and activates it.
Youngki You (3325497) +11 more
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The Castagnoli–Cushman Reaction
Since the first reports of the reaction of imines and cyclic anhydrides by Castagnoli and Cushman, this procedure has been applied to the synthesis of a variety of lactams, some of them with important synthetic or biological interest.
José Luis Ramiro +4 more
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Potential of Slime Molds as a Novel Source for the Cosmetics Industry
Nowadays, the flourishing development of modern cosmetics, and of “green cosmetics” especially, leads to rapid product innovation, with the increasing use of novel natural ingredients from unusual sources.
Maya Stoyneva-Gärtner +4 more
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Synthesis and Cytotoxic Activity of Some 3-Benzyl-5-Arylidenefuran-2(5H)-ones
3-Benzyl-furan-2(5H)-one (2a) and 3-(4-bromobenzyl)-furan-2(5H)-one (2b) were treated with TBDMSOTf and converted into the corresponding tert-butyldimethyl-silylfuran ethers.
Manoel Odorico Moraes +7 more
doaj +1 more source
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
Formation of carboxylic acids during degradation of monosaccharides
The formation of low molecular carboxylic and hydroxycarboxylic acids as well as sugar and deoxysugar acids from monosaccharides (D-glucose, D-fructose, D-arabinose, DL-glyceraldehyde, and 1,3-dihydroxyacetone) was studied in three different model ...
Ondřej Novotný +2 more
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Desymmetrization of deiesters and dinitriles to synthesize enantioenriched lactones [PDF]
Many significant bioactive compounds contain quaternary or fully substituted chiral centers. The stereoselective synthesis of these compounds is challenging, yet highly desired because quaternary chiral centers are an important framework in biologically ...
Kelley, Amber M. +1 more
core
4-Aryl-4-oxoesters undergo facile reduction of both the keto and the ester groups with methanolic NaBH4 at room temperature to yield the corresponding 1-aryl-1,4-butanediols whereas 4-alkyl-4-oxoesters furnish the corresponding 1,4-butanolides via ...
Subrata Kumar Chaudhuri +3 more
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Lactones from the Sponge-Derived Fungus Talaromyces rugulosus
The marine-derived fungus Talaromyces rugulosus isolated from the Mediterranean sponge Axinella cannabina and cultured on solid rice medium yielded seventeen lactone derivatives including five butenolides (1–5), seven (3S)-resorcylide derivatives (6–12),
Lisa Küppers +12 more
doaj +1 more source

