Andrei V. Malkov
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View article: Strategy for synthesizing <i>O</i>-protected (<i>S</i>)-α-substituted serine analogs <i>via</i> sequential Ni(<scp>ii</scp>)-complex-mediated cross-coupling and cycloaddition reactions
Strategy for synthesizing <i>O</i>-protected (<i>S</i>)-α-substituted serine analogs <i>via</i> sequential Ni(<span>ii</span>)-complex-mediated cross-coupling and cycloaddition reactions Open
A strategy for the synthesis of homochiral O -protected α-substituted ( S )-serine analogs by a sequence of reactions in the coordination sphere of a square-planar Ni( ii ) Schiff base complex of dehydroalanine and ( S )-BPB was developed.
View article: Sequential Michael addition, cross-coupling and [3 + 2] cycloaddition reactions within the coordination sphere of chiral Ni(<scp>ii</scp>) Schiff base complexes derived from dehydroamino acids: pathways to the asymmetric synthesis of structurally diverse <i>O</i>-substituted serine and threonine analogs
Sequential Michael addition, cross-coupling and [3 + 2] cycloaddition reactions within the coordination sphere of chiral Ni(<span>ii</span>) Schiff base complexes derived from dehydroamino acids: pathways to the asymmetric synthesis of structurally diverse <i>O</i>-substituted serine and threonine analogs Open
An approach to the synthesis of a series of novel, enantiomerically pure analogs of β-hydroxy-α-amino acids is reported.
View article: Asymmetric organocatalytic synthesis of chiral homoallylic amines
Asymmetric organocatalytic synthesis of chiral homoallylic amines Open
In recent decades, the chiral allylation of imines emerged as a key methodology in the synthesis of alkaloids and natural products with 4-, 5- and 6-membered cyclic amine motifs. Initially reliant on stoichiometric reagents, synthetic chem…
View article: CCDC 2168620: Experimental Crystal Structure Determination
CCDC 2168620: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Mechanistic Insight into Palladium‐Catalyzed Asymmetric Alkylation of Indoles with Diazoesters Employing Bipyridine‐<i>N</i>,<i>N’</i>‐dioxides as Chiral Controllers
Mechanistic Insight into Palladium‐Catalyzed Asymmetric Alkylation of Indoles with Diazoesters Employing Bipyridine‐<i>N</i>,<i>N’</i>‐dioxides as Chiral Controllers Open
Metal‐catalyzed asymmetric alkylation of indoles with α‐diazoesters is well‐known, however, the underlying mechanisms of this reaction, particularly the origin of stereoselectivity, remain uncertain. For the Pd catalysis, we address this c…
View article: Catalytic prenylation of natural polyphenols
Catalytic prenylation of natural polyphenols Open
Prenylated polyphenols occur naturally and exhibit biological activity superior to the ubiquitous parent polyphenols.
View article: Short electrochemical asymmetric synthesis of (+)-<i>N</i>-acetylcolchinol
Short electrochemical asymmetric synthesis of (+)-<i>N</i>-acetylcolchinol Open
A short synthesis of N -acetylcolchinol using a greener pathway is reported where all the redox steps, except for the asymmetric reduction, were carried out electrochemically, replacing protocols that employ stoichiometric hazardous reagen…
View article: Selective Electrosynthetic Hydrocarboxylation of α,β‐Unsaturated Esters with Carbon Dioxide**
Selective Electrosynthetic Hydrocarboxylation of α,β‐Unsaturated Esters with Carbon Dioxide** Open
The carboxylation of low‐value commodity chemicals to provide higher‐value carboxylic acids is of significant interest. Recently alternative routes to the traditional hydroformylation processes that used potentially toxic carbon monoxide a…
View article: Selective Electrosynthetic Hydrocarboxylation of α,β‐Unsaturated Esters with Carbon Dioxide**
Selective Electrosynthetic Hydrocarboxylation of α,β‐Unsaturated Esters with Carbon Dioxide** Open
The carboxylation of low‐value commodity chemicals to provide higher‐value carboxylic acids is of significant interest. Recently alternative routes to the traditional hydroformylation processes that used potentially toxic carbon monoxide a…
View article: Selective Electrosynthetic Hydrocarboxylation of alpha,beta-Unsaturated Olefins with Carbon Dioxide
Selective Electrosynthetic Hydrocarboxylation of alpha,beta-Unsaturated Olefins with Carbon Dioxide Open
Electrosynthetic hydrocarboxylation of alpha,beta-unsaturated olefins with excellent regioselectivity is reported. No sacrificial electrode is required and is thus amenable to a flow configuration. The products are purified by simple cryst…
View article: Selective Electrosynthetic Hydrocarboxylation of alpha,beta-Unsaturated Olefins with Carbon Dioxide
Selective Electrosynthetic Hydrocarboxylation of alpha,beta-Unsaturated Olefins with Carbon Dioxide Open
Electrosynthetic hydrocarboxylation of alpha ,beta -unsaturated olefins with excellent regioselectivity is reported. No sacrificial electrode is required and is thus amenable to a flow configuration. The products are purified by simple cry…
View article: Selective Electrosynthetic Hydrocarboxylation of a,bUnsaturated Olefins with Carbon Dioxide
Selective Electrosynthetic Hydrocarboxylation of a,bUnsaturated Olefins with Carbon Dioxide Open
Electrosynthetic hydrocarboxylation of alpha ,beta -unsaturated olefins with excellent regioselectivity is reported. No sacrificial electrode is required and is thus amenable to a flow configuration. The products are purified by simple cry…
View article: Sodium doping of solution‐processed amine‐thiol based CIGS solar cells by thermal evaporation of NaCl
Sodium doping of solution‐processed amine‐thiol based CIGS solar cells by thermal evaporation of NaCl Open
Poor crystallinity, high degree of porosity and rough surfaces are the main drawbacks of solution‐processed CIGS absorbers resulting in lower power conversion efficiencies when compared to vacuum‐based CIGS solar cells. Therefore, promotin…
View article: Developing a Methodology for Catalytic Asymmetric Crotylation of Aldehydes
Developing a Methodology for Catalytic Asymmetric Crotylation of Aldehydes Open
Asymmetric crotylation has firmly earned a place among the set of valuable synthetic tools for stereoselective construction of carbon skeletons. For a long time the field was heavily dominated by reagents bearing stoichiometric chiral auxi…
View article: Solution processed CZTS solar cells using amine–thiol systems: understanding the dissolution process and device fabrication
Solution processed CZTS solar cells using amine–thiol systems: understanding the dissolution process and device fabrication Open
The dissolution process of CZTS constituent elements in a low-toxicity amine-thiol solvent system is analysed in detail through the use of ESI-MS and IRMPD techniques. Devices produced from this solution achieved efficiencies of up to 8.1%.
View article: Mapping the properties of bidentate ligands with calculated descriptors (LKB-bid)
Mapping the properties of bidentate ligands with calculated descriptors (LKB-bid) Open
Ligand space for bidentates has been mapped, computationally, varying donors, substituents and backbones, to give a new database, LKB-bid.
View article: Selective α,δ-hydrocarboxylation of conjugated dienes utilizing CO<sub>2</sub> and electrosynthesis
Selective α,δ-hydrocarboxylation of conjugated dienes utilizing CO<sub>2</sub> and electrosynthesis Open
Selective electrosynthetic α,δ-hydrocarboxylation of 1,3-dienes is reported, utilising non-sacrificial electrodes that provide access to the previously challenging δ-carboxylated regioisomer.
View article: Stereoselective Synthesis of Atropisomeric Bipyridine <i>N,N′</i>-Dioxides by Oxidative Coupling
Stereoselective Synthesis of Atropisomeric Bipyridine <i>N,N′</i>-Dioxides by Oxidative Coupling Open
Bipyridine N,N'-dioxide is a structural fragment found in many bioactive compounds. Furthermore, chiral analogues secured their place as powerful Lewis base catalysts. The scope of the existing methods for the synthesis of atropisomeric bi…
View article: Kinetic resolution of chiral racemic secondary allylboronates and their application in the synthesis of homoallylic amines [Abstract]
Kinetic resolution of chiral racemic secondary allylboronates and their application in the synthesis of homoallylic amines [Abstract] Open
Kinetic resolution of chiral racemic secondary allylboronates and their application in the synthesis of homoallylic amines [Abstract]
View article: Organocatalytic Synthesis of Benzazetidines by Trapping Hemiaminals with Protecting Groups
Organocatalytic Synthesis of Benzazetidines by Trapping Hemiaminals with Protecting Groups Open
Benzazetidines are highly strained and inherently unstable heterocycles. There are only few methodologies for assembling these compounds. Here, a protocol is presented to trap an elusive cyclic, four-membered hemiaminal structure. This met…
View article: Harnessing Applied Potential: The Anti-Markovnikov Hydrocarboxylation of Substituted Olefins
Harnessing Applied Potential: The Anti-Markovnikov Hydrocarboxylation of Substituted Olefins Open
The construction of carboxylic acid compounds in a selective fashion, from low value materials such as alkenes remains a long-standing challenge to synthetic chemists. In particular, anti-Markovnikov addition to styrenes are underdeveloped…
View article: Harnessing Applied Potential: The Anti-Markovnikov Hydrocarboxylation of Substituted Olefins
Harnessing Applied Potential: The Anti-Markovnikov Hydrocarboxylation of Substituted Olefins Open
The construction of carboxylic acid compounds in a selective fashion, from low value materials such as alkenes remains a long-standing challenge to synthetic chemists. In particular, anti-Markovnikov addition to styrenes are underdeveloped…
View article: Harnessing Applied Potential: The Anti-Markovnikov Hydrocarboxylation of Substituted Olefins
Harnessing Applied Potential: The Anti-Markovnikov Hydrocarboxylation of Substituted Olefins Open
The construction of carboxylic acid compounds in a selective fashion, from low value materials such as alkenes remains a long-standing challenge to synthetic chemists. In particular, anti-Markovnikov addition to styrenes are underdeveloped…
View article: Deposition and application of a Mo–N back contact diffusion barrier yielding a 12.0% efficiency solution-processed CIGS solar cell using an amine–thiol solvent system
Deposition and application of a Mo–N back contact diffusion barrier yielding a 12.0% efficiency solution-processed CIGS solar cell using an amine–thiol solvent system Open
The use of a Mo–N barrier for solution-processed CIGS results in reduced MoSe2 formation. This enabled longer selenization time, enhanced grain growth and performance.
View article: Water based spray pyrolysis of metal-oxide solutions for Cu2ZnSn(S,Se)4 solar cells using low toxicity amine/thiol complexants
Water based spray pyrolysis of metal-oxide solutions for Cu2ZnSn(S,Se)4 solar cells using low toxicity amine/thiol complexants Open
This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
View article: Kinetic Resolution of Secondary Allyl Boronates and Their Application in the Synthesis of Homoallylic Amines
Kinetic Resolution of Secondary Allyl Boronates and Their Application in the Synthesis of Homoallylic Amines Open
Highly enantioenriched, chromatographically‐stable secondary allyl boronates featuring a 1,1,2,2‐tetraethyl‐1,2‐ethanediol fragment (Epin) were obtained by kinetic resolution of their racemic mixtures. The Epin group at boron considerably …
View article: Electronic properties of solution-processed Cu(In,Ga)(S,Se)2 solar cells using metal chalcogenides and amine-thiol solvent mixtures
Electronic properties of solution-processed Cu(In,Ga)(S,Se)2 solar cells using metal chalcogenides and amine-thiol solvent mixtures Open
This work examines the effects of post-deposition air-annealing on the electronic properties of solution-processed heterojunction CIGS solar cells. The annealing in air of the CIGS/CdS interface was found to have positive effects on the de…