Visible‐Light Induced and PIFA Enabled [4+2] Annulation of Alkenes with N‐Aryl Substituted Hydroxamic Acids
Sign Up to like & getrecommendations! Published in 2024 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202400683
Abstract: In this paper, we reported a facial approach for the preparation of benzo[c][1,2]oxazine scaffolds via visible light induced phenyl iodine bis(trifluoroacetate) (PIFA) oxidative [4+2] annulation of vinyl benzenes with N‐aryl substituted hydroxamic acids. In the… read more here.
Keywords: annulation; hydroxamic acids; visible light; aryl substituted ... See more keywords
Synthesis of aryl-substituted pyridines via cyclization of N,N-dialkylanilines with ketoxime carboxylates under metal-organic framework catalysis
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Industrial and Engineering Chemistry"
DOI: 10.1016/j.jiec.2017.05.028
Abstract: Abstract Iron-organic framework Fe3O(BPDC)3 was synthesized, and subsequently utilized as an productive heterogeneous catalyst for the cyclization reaction of N,N-dialkylanilines with ketoxime carboxylates to produce aryl-substituted pyridines. This iron-organic framework catalyst demonstrated remarkably higher catalytic… read more here.
Keywords: substituted pyridines; aryl substituted; cyclization; synthesis aryl ... See more keywords
Investigation of the demetallation of 10-aryl substituted synthetic chlorins under acidic conditions.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of inorganic biochemistry"
DOI: 10.1016/j.jinorgbio.2019.110979
Abstract: The acidic demetallation of a series of sparsely substituted Zn(II) chlorins is reported. The chlorins were functionalized in the 10-position with substituents ranging from strongly electron donating mesityl and p-methoxyphenyl to electron-withdrawing p-nitrophenyl and pentafluorophenyl… read more here.
Keywords: demetallation aryl; aryl substituted; investigation demetallation; substituted synthetic ... See more keywords
The role of chirality in a set of key intermediates of pharmaceutical interest, 3‐aryl‐substituted‐&ggr;‐butyrolactones, evidenced by chiral HPLC separation and by chiroptical spectroscopies
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Pharmaceutical and Biomedical Analysis"
DOI: 10.1016/j.jpba.2017.01.007
Abstract: HIGHLIGHTSHPLC Separation of enantiomers of four 3‐aryl‐substituted‐&ggr;‐butyrolactones (3AGBL).ECD, ORD, and VCD of four 3AGBL. Similarity indexes calculated for VCD and ECD.From AD‐H columns (S) enantiomers of 3AGBL elute before (R) enantiomers.Molecular Docking explains elution order.Lactone‐chirality… read more here.
Keywords: substituted ggr; pharmaceutical interest; aryl substituted; key intermediates ... See more keywords
The synthesis of −1, −3, −5, −7, −8 aryl substituted boron-dipyrromethene chromophores: Nonlinear optical and photophysical characterization
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2020.127691
Abstract: Abstract A convenient protocol enabled the synthesis of novel Arylated Borondipyrromethene (BODIPY) compounds was applied that synthesis yields found to be higher than classical alkyl substituted analogues. The nonlinear properties of the target molecules were… read more here.
Keywords: aryl substituted; synthesis; boron dipyrromethene; substituted boron ... See more keywords
Acid-mediated aryl migration reaction of C-3 aryl substituted pyrrolidinoindolines
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DOI: 10.1016/j.tetlet.2016.11.069
Abstract: Abstract Aryl migration reactions of C-3 aryl substituted pyrrolidinoindoline compounds to provide highly conjugated C-2 aryl indole compounds have been discovered. The developed reactions have a wide substrate scope and proceed in high yield under… read more here.
Keywords: aryl substituted; migration reaction; acid mediated; aryl migration ... See more keywords
Design, Synthesis, and Structure-Activity Relationship of Novel Aryl-Substituted Formyl Oxazolidine Derivatives as Herbicide Safeners.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.3c00467
Abstract: Nicosulfuron is the leading herbicide in the global sulfonylurea (SU) herbicide market; it was jointly developed by DuPont and Ishihara. Recently, the widespread use of nicosulfuron has led to increasingly prominent agricultural production hazards, such… read more here.
Keywords: compound; structure; novel aryl; herbicide safeners ... See more keywords
Stereocomplementary Synthesis of Pharmaceutically Relevant Chiral 2-Aryl-Substituted Pyrrolidines Using Imine Reductases.
Sign Up to like & getrecommendations! Published in 2020 at "Organic letters"
DOI: 10.1021/acs.orglett.0c00802
Abstract: Exploring a collection of naturally occurring imine reductases (IREDs) identified two stereocomplementary IREDs with reducing activity toward sterically hindered 2-aryl-substituted pyrrolines. Using (R)-selective ScIR and (S)-selective SvIR, various chiral 2-aryl-substituted pyrrolidines with excellent enantioselectivity (>99%… read more here.
Keywords: pharmaceutically relevant; aryl substituted; substituted pyrrolidines; imine reductases ... See more keywords
Palladium-Catalyzed Electrooxidative Hydrofluorination of Aryl-Substituted Alkenes with a Nucleophilic Fluorine Source.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c04045
Abstract: Herein, we report an electrocatalytic hydrofluorination of aryl-substituted alkenes with a nucleophilic fluorine source. The merger of palladium catalysis with electrooxidation enables the transformation of various substrates ranging from styrenes to more challenging α,β-unsaturated carbonyl… read more here.
Keywords: alkenes nucleophilic; nucleophilic fluorine; hydrofluorination; hydrofluorination aryl ... See more keywords
HFIP-Empowered One-Pot Synthesis of C4-Aryl-Substituted Tetrahydroquinolines with Propargylic Chlorides and Anilines.
Sign Up to like & getrecommendations! Published in 2023 at "Organic letters"
DOI: 10.1021/acs.orglett.2c04299
Abstract: Transition-metal-free, practical one-pot synthesis of C4-aryl-substituted tetrahydroquinolines from simple anilines and readily accessible propargylic chlorides has been developed. Activation of the C-Cl bond by 1,1,1,3,3,3-hexafluoroisopropanol turned out to be the key interaction, which allowed C-N… read more here.
Keywords: propargylic chlorides; one pot; pot synthesis; synthesis aryl ... See more keywords
Enantioselective Intramolecular Oxidative Aminoacetoxylation from Aryl-Substituted Alkene via Chiral Triazole-oxazoline Palladium Complexes.
Sign Up to like & getrecommendations! Published in 2024 at "Organic letters"
DOI: 10.1021/acs.orglett.4c03248
Abstract: Here, we describe an enantioselective intramolecular oxidative aminoacetoxylation reaction using a palladium catalyst and an aryl-substituted internal alkene compound as the substrate under mild conditions in several hours. The triazole-oxazoline ligand was selected for the… read more here.
Keywords: triazole oxazoline; intramolecular oxidative; aryl substituted; enantioselective intramolecular ... See more keywords