Search

An abstract of the article "Synthesis of 2,2'-Biphenols Through Direct C(sp 2)-H Hydroxylation of (1,1'-Biphenyl)-2-ols." by S. Duan, Y. Xu,a nd X. Zhang is presented.

An abstract of the article "Synthesis of 2,2'-Biphenols Through Direct C(sp2)-H Hydroxylation of [1,1'-Biphenyl]-2-ols" by Shitao Duan and colleagues is presented.

The catalyst used in the convenient procedure is recycled and reused in five additional catalytic cycles without loss of its activity. [ABSTRACT FROM AUTHOR]

All yields are based on recovered starting material. [ABSTRACT FROM AUTHOR]

The article presents chemical equations for the article "Cu(II)-Catalyzed Enantioselective α-Hydroxylation and α-Chlorination of β-Ketoesters with N,N,O-Tridentate Chiral Phenanthroline Ligand" by Y. Naganawa and others published in "ChemistrySelect" in 2016.

An abstract of the article "Aerobic α-Hydroxylation of β-Keto Esters and Amides by Co-Catalysis of SmI

A copper-catalyzed thiophenol C-H activation is described. [ABSTRACT FROM AUTHOR]

A new hydrazone-based exo-directing group (DG) strategy is developed for the functionalization of unactivated primary β C-H bonds of aliphatic amines. [ABSTRACT FROM AUTHOR]

The first template assisted meta-hydroxylation reaction is disclosed. [ABSTRACT FROM AUTHOR]

In the presented approach DMF plays a dual role both as a hydroxyl source and as a solvent. [ABSTRACT FROM AUTHOR]

A detailed experimental and computational study on the title reaction is presented. [ABSTRACT FROM AUTHOR]

Review: [hydration, hydroxylation, and hydroamination as key reations for various cascae transformations, also in total synthesis] [ABSTRACT FROM AUTHOR]

A new method for the ortho-directed hydroxylation of both symmetrical and unsymmetrical azobenzenes is developed. [ABSTRACT FROM AUTHOR]

A nitrogen complexation strategy using a strong Broensted acid (HBF4) or an azaphilic Lewis acid (BF3, not shown) enables remote, non-directed C(sp3)-H oxidations of tertiary, secondary, and primary amine- and pyridine-containing molecules with tunable iron catalysts. [ABSTRACT FROM AUTHOR]

A silver-promoted radical mechanism is proposed for this reaction. [ABSTRACT FROM AUTHOR]

An abstract of the article "Copper-Catalyzed Intermolecular Oxyamination of Olefins Using Carboxylic Acids and O-Benzoylhydroxylamines" by Hemric, B.N., Wang, Q., and Beilstein J. is presented.

Chemical reactions are presented for the article "Palladium-Catalyzed Regioselective C-H Bond Acetoxylation-Alkoxylation of Azoxybenzenes" by M Sun and colleagues, published in the journal "Synlett" in 2015.

An abstract of the article "Copper-Catalyzed Aerobic Decarboxylation/Ketooxygenation of Electron-Deficient Alkenes" is presented.

Thorough reinvestigation of the title reactions reveals that in contrast to previously published results the reactions do not deliver the products in very high yields and with high to very high enantiomeric excesses, but in often significantly lower yields and with no enantioselectivity at all. [ABSTRACT FROM AUTHOR]

An asymmetric oxygen atom transfer of oxindole derivatives using Davis′ oxaziridine gives the corresponding 3-aryl-3-hydroxy-2-oxindole derivatives with excellent enantioselectivity. [ABSTRACT FROM AUTHOR]

An abstract of the article "Iron-Catalyzed Dioxygenation of Alkenes and Terminal Alkynes by Using (Diacetoxyiodo)benzene as Oxidant" by B. T. V. Srinivas, Vikas S. Rawat and Bojja Sreedhar is presented.

Furthermore, similar reaction conditions also allow the C-S coupling of aryl halides with 4-methylbenzenethiol. [ABSTRACT FROM AUTHOR]

A strategy for the selective introduction of sulfonyloxy groups into unactivated β-C-H bonds of masked alcohols is described. [ABSTRACT FROM AUTHOR]

A photolytic radical process for the hydroxytrifluoroethylation of styrenes is presented. [ABSTRACT FROM AUTHOR]

A diagram is presented which explains the carbon-hydrogen (C-H) acyloxylation of the indolizine chemical compound.

A new procedure is elaborated for the Pd-catalyzed hydroxylation of amides such as (I), (III), (VIII), and (X). [ABSTRACT FROM AUTHOR]

An amine-catalyzed α,α-bisfunctionalization of β-keto carbonyls and cyclohexanones affords chiral N,O-ketals. [ABSTRACT FROM AUTHOR]

The present photocatalytic system enables regiospecific intermolecular three-component aminohydroxylation of olefins bearing a wide variety of functionalities. [ABSTRACT FROM AUTHOR]

The title catalysts are used for the asymmetric dihydroxylation of α-aryl acrylates and asymmetric oxohydroxylation of trisubstituted enoates. [ABSTRACT FROM AUTHOR]

An abstract of the article "Acyloxylation of 1,4-Dioxanes and 1,4-Dithianes Catalyzed by a Copper-Iron Mixed Oxide" by A. L. Garcia-Cabeza and colleagues is presented.

Review: [23 refs. [ABSTRACT FROM AUTHOR]

A diagram is presented which shows the direct ortho-hydroxylation of 2-phenylpyridines via hydrogen peroxide and palladium(II) chloride.

An abstract of the article "Direct Hydroxylation of Benzene to Phenol Using Hydrogen Peroxide Catalyzed by Nickel Complexes Supported by Pyridylalkylamine Ligands" by Y. Morimoto and colleagues is presented.

Azido radical generation employing air as the terminal oxidant is disclosed as the key process for this transformation. [ABSTRACT FROM AUTHOR]

Ruthenium catalyzes both the metathesis reaction as well as the dihydroxylation reaction upon addition of NaIO4. [ABSTRACT FROM AUTHOR]

The title reaction allows a rapid and site-selective installation of the hydroxyl group. [ABSTRACT FROM AUTHOR]

Quaternary α-hydroxy phosphonates (II) are efficiently synthesized by direct hydroxylation reaction of phosphonates (I) under mild conditions. [ABSTRACT FROM AUTHOR]

The article presents a chemical reaction for the catalysis of ortho C-H functionalization by using benzylic ethers.

The characteristics of this tandem approach are the consecutive C-Br bond cleavage, C-H functionalization, and the C-O bond formation. [ABSTRACT FROM AUTHOR]

Derivatives of methacrylic, tiglic, and angelic acid are subjected to asymmetric dihydroxylation by a modified Sharpless asymmetric dihydroxylation protocol. [ABSTRACT FROM AUTHOR]

A diagram is presented which shows the highly selective dihydroxylation of 1,2-Allenylic diphenyl phosphine oxides catalyzed by methyltrioxorhenium.

Arylation of quinolinylamides is carried out using (diacetoxyiodo)benzenes in the presence of palladium as catalyst. [ABSTRACT FROM AUTHOR]

Linear and cyclic alkenes are directly transformed to the corresponding vicinal cis-diols by dihydroxylation with a KMnO4/H2O2 system. [ABSTRACT FROM AUTHOR]

A microwave-assisted enantioselective intramolecular hydroxyalkylation of 2-allylphenols at high temperatures yields 2-methylcoumarans. [ABSTRACT FROM AUTHOR]

A green synthesis of phenols from areneboronates is presented by using aqueous H2O2 as an oxidant and biosilica as a catalyst. [ABSTRACT FROM AUTHOR]

A wide range of alkenes are oxidized to the corresponding diols using NMO as oxidant. [ABSTRACT FROM AUTHOR]

Molecular oxygen as an environmentally friendly oxidant is employed. [ABSTRACT FROM AUTHOR]

A diagram for I2- or nitrogen (N)-bromosuccinimide (NBS)-catalyzed highly efficient α-hydroxylation of ketones with dimethyl sulfoxide is presented.

Inexpensive ceric ammonium nitrate (CAN) is an efficient oxidant for Pd-catalyzed substrate-directed o-benzoxylation and decarboxylative o-aroylation processes. [ABSTRACT FROM AUTHOR]

The article presents chemical equations related to an article chemoselective hydroxylation of aliphatic C-H Bonds using a ketone catalyst and aqueous hydrogen peroxide by C.J. Pierce and others, published in the periodical "Organic Letters" in 2014.