Maciej Zaranek
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View article: Synthesis of diarylmethanes by means of Negishi cross-coupling enabled by cobalt-solvent coordination
Synthesis of diarylmethanes by means of Negishi cross-coupling enabled by cobalt-solvent coordination Open
The diarylmethane backbone is a base of molecules relevant for various industrial and especially pharmaceutical applications where they serve as a platform for the discovery of new drugs. One of the most versatile methods of their synthesi…
View article: E-selective hydroboration of alkynes catalyzed by 3N-donor Schiff-base cobalt(II) complex
E-selective hydroboration of alkynes catalyzed by 3N-donor Schiff-base cobalt(II) complex Open
View article: Transfer Hydrogenation of Vinyl Arenes and Aryl Acetylenes with Ammonia Borane Catalyzed by Schiff Base Cobalt(II) Complexes
Transfer Hydrogenation of Vinyl Arenes and Aryl Acetylenes with Ammonia Borane Catalyzed by Schiff Base Cobalt(II) Complexes Open
A series of bench-stable Co(II) complexes containing hydrazone Schiff base ligands were evaluated in terms of their activity and selectivity in carbon-carbon multiple bond transfer hydrogenation. These cobalt complexes, especially a Co(II)…
View article: E-Selective Hydroboration of Alkynes Catalyzed by 3n-Donor Schiff-Base Cobalt(Ii) Complex
E-Selective Hydroboration of Alkynes Catalyzed by 3n-Donor Schiff-Base Cobalt(Ii) Complex Open
View article: Mechanism of Silylation of Vinyl Arenes by Hydrodisiloxanes Driven by Stoichiometric Amounts of Sodium Triethylborohydride—A Combined DFT and Experimental Study
Mechanism of Silylation of Vinyl Arenes by Hydrodisiloxanes Driven by Stoichiometric Amounts of Sodium Triethylborohydride—A Combined DFT and Experimental Study Open
The reactions of vinyl arenes with hydrodisiloxanes in the presence of sodium triethylborohydride were studied using experimental and computational methods. The expected hydrosilylation products were not detected because triethylborohydrid…
View article: Hydroboration of alkynes initiated by sodium triethylborohydride
Hydroboration of alkynes initiated by sodium triethylborohydride Open
Sodium triethylborohydride, a popular hydride transferring reagent, is commonly used as an activating agent for hydroboration catalysts based on the first-row transition metal complexes. It has been found that NaHBEt3 can be a selective ca…
View article: Hydrogermylation initiated by trialkylborohydrides: a living anionic mechanism
Hydrogermylation initiated by trialkylborohydrides: a living anionic mechanism Open
Sodium trialkylborohydrides were found to be selective catalysts for the hydrogermylation of aromatic alkenes. Addition of phenylgermane and diphenylgermane in the presence of 10 mol% of NaHB(sec-Bu)3 proceeded in a highly selective manner…
View article: Hydroboration of Terminal Alkynes Catalysed by Sodium Triethylborohydride
Hydroboration of Terminal Alkynes Catalysed by Sodium Triethylborohydride Open
Sodium triethylborohydride - commonly used as a reducing agent for hydroboration catalysts based on the first-row transition metal complexes with tridentate ligands, has been found a highly selective catalyst for hydroboration of terminal …
View article: Acceleration of alkyne metathesis in multicomponent catalytic systems by use of alternative Mo(0) sources under optimised conditions
Acceleration of alkyne metathesis in multicomponent catalytic systems by use of alternative Mo(0) sources under optimised conditions Open
Alkyne metathesis in multicomponent catalytic systems, although subject to changes, is still dominated by molybdenum hexacarbonyl as a source of Mo(0). Our findings show that this coordination compound is relatively inert under metathesis …
View article: Hydrogermylation initiated by trialkylborohydrides: a living anionic mechanism
Hydrogermylation initiated by trialkylborohydrides: a living anionic mechanism Open
A trialkylborohydide-initiated hydrogermylation of aromatic alkenes is reported along with a DFT-supported mechanism following the course of a ‘living’ process.
View article: C(sp3),N palladacyclic complexes bearing flexidentate ligands as efficient (pre)catalysts for Heck olefination of aryl halides
C(sp3),N palladacyclic complexes bearing flexidentate ligands as efficient (pre)catalysts for Heck olefination of aryl halides Open
C,N-cyclopalladated complexes are among the most robust and widely used (pre)catalysts of cross-coupling reactions, combining long shelf life with high catalytic activity. In this report, we describe synthesis and properties of new Pd(II) …
View article: Acceleration of alkyne metathesis in multicomponent catalytic systems by use of alternative Mo(0) sources under optimised conditions
Acceleration of alkyne metathesis in multicomponent catalytic systems by use of alternative Mo(0) sources under optimised conditions Open
Alkyne metathesis in multicomponent catalytic systems, although subject to changes, is still a domain of molybdenum hexacarbonyl as a source of Mo(0). Our findings show that this coordination compound is relatively inert under metathesis c…
View article: CCDC 1897304: Experimental Crystal Structure Determination
CCDC 1897304: Experimental Crystal Structure Determination Open
View article: CCDC 1897305: Experimental Crystal Structure Determination
CCDC 1897305: Experimental Crystal Structure Determination Open
View article: CCDC 1895621: Experimental Crystal Structure Determination
CCDC 1895621: Experimental Crystal Structure Determination Open
View article: CCDC 1895622: Experimental Crystal Structure Determination
CCDC 1895622: Experimental Crystal Structure Determination Open
View article: Microwave-Accelerated C,N-Cyclometalation as a Route to Chloro-Bridged Iridium(III) Binuclear Precursors of Phosphorescent Materials: Optimization, Synthesis, and Studies of the Iridium(III) Dimer Behavior in Coordinating Solvents
Microwave-Accelerated C,N-Cyclometalation as a Route to Chloro-Bridged Iridium(III) Binuclear Precursors of Phosphorescent Materials: Optimization, Synthesis, and Studies of the Iridium(III) Dimer Behavior in Coordinating Solvents Open
We present the results of our research on the use of microwaves as an unconventional heat source for the acceleration of iridium(III) chloro-bridged dimer preparation. The results enabled us to revise and improve known guidelines for the v…
View article: In situ Mo(CO)₆-based catalysts for alkyne metathesis: Silanols vs phenols as co-catalysts under thermal and photochemical activation
In situ Mo(CO)₆-based catalysts for alkyne metathesis: Silanols vs phenols as co-catalysts under thermal and photochemical activation Open
View article: Direct Dehydrogenative Coupling of Alcohols with Hydrosilanes Promoted by Sodium tri(sec-butyl)borohydride
Direct Dehydrogenative Coupling of Alcohols with Hydrosilanes Promoted by Sodium tri(sec-butyl)borohydride Open
Alkoxysilanes find application in many areas of chemistry ranging from research-scale organic synthesis to multi-ton production of materials. Classically, they are obtained in stoichiometric reaction of alcoholysis of chlorosilanes, howeve…
View article: <i>In Situ</i>Generation of Molybdenum-Based Catalyst for Alkyne Metathesis: Further Developments and Mechanistic Insights
<i>In Situ</i>Generation of Molybdenum-Based Catalyst for Alkyne Metathesis: Further Developments and Mechanistic Insights Open
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View article: CCDC 983156: Experimental Crystal Structure Determination
CCDC 983156: 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: CCDC 1005440: Experimental Crystal Structure Determination
CCDC 1005440: 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: CCDC 983158: Experimental Crystal Structure Determination
CCDC 983158: 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: CCDC 983157: Experimental Crystal Structure Determination
CCDC 983157: 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 …