Complexation of Flavonoids: Spectral Phenomena, Regioselectivity, Interplay with Charge and Proton Transfer
Chem Rec. 2023 Oct 2:e202300249. doi: 10.1002/tcr.202300249. Online ahead of print.ABSTRACTThe review compiles information on the spectral classification of flavonoids, the changes in their electronic structure upon complex formation, and the manifestation of these changes in the absorption and emission spectra. Part of the review is devoted to the regioselectivity of the complex formation process, including types of complexation sites, the structure of chelates and 'open' complexes, and the correlation between the structure of complexes and their spectral properties. The interplay between complex formation and other proce...
Source: Chemical Record - October 3, 2023 Category: Chemistry Authors: Alexander D Roshal Source Type: research
Recent Advances in Photochemical Asymmetric Three-Component Reactions
Chem Rec. 2023 Sep 29:e202300275. doi: 10.1002/tcr.202300275. Online ahead of print.ABSTRACTOver the past decades, asymmetric photochemical synthesis has garnered significant attention for its sustainability and unique ability to generate enantio-enriched molecules through distinct reaction pathways. Photochemical asymmetric three-component reactions have demonstrated significant potential for the rapid construction of chiral compounds with molecular diversity and complexity. However, noteworthy challenges persist, including the participation of high-energy intermediates such as radical species, difficulties in precise con...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Haichao Huang Yu-Mei Lin Lei Gong Source Type: research
A Critical Review on Hydrogen Based Fuel Cell Technology and Applications
Chem Rec. 2023 Sep 29:e202300295. doi: 10.1002/tcr.202300295. Online ahead of print.ABSTRACTThis image encapsulates the intricate landscape of fuel cell technology, portraying its diverse facets in a visually compelling manner. At the core of the image, a hexagonal arrangement symbolizes the pivotal role of fuel cells, emphasizing their production potential, high efficiency, ongoing policy debates, safety, and cost considerations. Extending outward, two concentric circles encircle this core, illustrating the broad spectrum of applications fuel cells hold. From logistics and transportation encompassing space travel, air, an...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Prashant Gupta Bhagwan Toksha Mostafizur Rahaman Source Type: research
Recent Advances in Photochemical Asymmetric Three-Component Reactions
Chem Rec. 2023 Sep 29:e202300275. doi: 10.1002/tcr.202300275. Online ahead of print.ABSTRACTOver the past decades, asymmetric photochemical synthesis has garnered significant attention for its sustainability and unique ability to generate enantio-enriched molecules through distinct reaction pathways. Photochemical asymmetric three-component reactions have demonstrated significant potential for the rapid construction of chiral compounds with molecular diversity and complexity. However, noteworthy challenges persist, including the participation of high-energy intermediates such as radical species, difficulties in precise con...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Haichao Huang Yu-Mei Lin Lei Gong Source Type: research
A Critical Review on Hydrogen Based Fuel Cell Technology and Applications
Chem Rec. 2023 Sep 29:e202300295. doi: 10.1002/tcr.202300295. Online ahead of print.ABSTRACTThis image encapsulates the intricate landscape of fuel cell technology, portraying its diverse facets in a visually compelling manner. At the core of the image, a hexagonal arrangement symbolizes the pivotal role of fuel cells, emphasizing their production potential, high efficiency, ongoing policy debates, safety, and cost considerations. Extending outward, two concentric circles encircle this core, illustrating the broad spectrum of applications fuel cells hold. From logistics and transportation encompassing space travel, air, an...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Prashant Gupta Bhagwan Toksha Mostafizur Rahaman Source Type: research
Recent Advances in Photochemical Asymmetric Three-Component Reactions
Chem Rec. 2023 Sep 29:e202300275. doi: 10.1002/tcr.202300275. Online ahead of print.ABSTRACTOver the past decades, asymmetric photochemical synthesis has garnered significant attention for its sustainability and unique ability to generate enantio-enriched molecules through distinct reaction pathways. Photochemical asymmetric three-component reactions have demonstrated significant potential for the rapid construction of chiral compounds with molecular diversity and complexity. However, noteworthy challenges persist, including the participation of high-energy intermediates such as radical species, difficulties in precise con...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Haichao Huang Yu-Mei Lin Lei Gong Source Type: research
A Critical Review on Hydrogen Based Fuel Cell Technology and Applications
Chem Rec. 2023 Sep 29:e202300295. doi: 10.1002/tcr.202300295. Online ahead of print.ABSTRACTThis image encapsulates the intricate landscape of fuel cell technology, portraying its diverse facets in a visually compelling manner. At the core of the image, a hexagonal arrangement symbolizes the pivotal role of fuel cells, emphasizing their production potential, high efficiency, ongoing policy debates, safety, and cost considerations. Extending outward, two concentric circles encircle this core, illustrating the broad spectrum of applications fuel cells hold. From logistics and transportation encompassing space travel, air, an...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Prashant Gupta Bhagwan Toksha Mostafizur Rahaman Source Type: research
Recent Advances in Photochemical Asymmetric Three-Component Reactions
Chem Rec. 2023 Sep 29:e202300275. doi: 10.1002/tcr.202300275. Online ahead of print.ABSTRACTOver the past decades, asymmetric photochemical synthesis has garnered significant attention for its sustainability and unique ability to generate enantio-enriched molecules through distinct reaction pathways. Photochemical asymmetric three-component reactions have demonstrated significant potential for the rapid construction of chiral compounds with molecular diversity and complexity. However, noteworthy challenges persist, including the participation of high-energy intermediates such as radical species, difficulties in precise con...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Haichao Huang Yu-Mei Lin Lei Gong Source Type: research
A Critical Review on Hydrogen Based Fuel Cell Technology and Applications
Chem Rec. 2023 Sep 29:e202300295. doi: 10.1002/tcr.202300295. Online ahead of print.ABSTRACTThis image encapsulates the intricate landscape of fuel cell technology, portraying its diverse facets in a visually compelling manner. At the core of the image, a hexagonal arrangement symbolizes the pivotal role of fuel cells, emphasizing their production potential, high efficiency, ongoing policy debates, safety, and cost considerations. Extending outward, two concentric circles encircle this core, illustrating the broad spectrum of applications fuel cells hold. From logistics and transportation encompassing space travel, air, an...
Source: Chemical Record - September 29, 2023 Category: Chemistry Authors: Prashant Gupta Bhagwan Toksha Mostafizur Rahaman Source Type: research
2D MXenes Nanosheets for Advanced Energy Conversion and Storage Devices: Recent Advances and Future Prospects
Chem Rec. 2023 Sep 27:e202300235. doi: 10.1002/tcr.202300235. Online ahead of print.ABSTRACTSince the initial MXenes were discovered in 2011, several MXene compositions constructed using combinations of various transition metals have been developed. MXenes are ideal candidates for different applications in energy conversion and storage, because of their unique and interesting characteristics, which included good electrical conductivity, hydrophilicity, and simplicity of large-scale synthesis. Herein, we study the current developments in two-dimensional (2D) MXene nanosheets for energy storage and conversion technologies. F...
Source: Chemical Record - September 27, 2023 Category: Chemistry Authors: Abdul Mateen Maduru Suneetha Syed Shoaib Ahmad Shah Muhammad Usman Tauqeer Ahmad Iftikhar Hussain Shaukat Khan Mohammed A Assiri Ahmed M Hassan Muhammad Sufyan Javed Sung Soo Han Raed H Althomali Mohammed M Rahman Source Type: research
Bypassing Sulfonyl Halides: Synthesis of Sulfonamides from Other Sulfur-Containing Building Blocks
Chem Rec. 2023 Sep 27:e202300258. doi: 10.1002/tcr.202300258. Online ahead of print.ABSTRACTThis review disclosed synthetic approaches to sulfonyl amides from non-sulfonyl halogenated precursors. Known methods were systematized into groups and subgroups according to the type of starting organosulfur compound. Thiols, disulfides, and sulfonamides form a group of S(II)-containing precursors, which are used in oxidative amination reactions. An important and versatile group for oxidative amination is represented with S(IV)-containing compounds, i. e., sufinates, sulfinamides, DMSO, N-sulfinyl-O-(tert-butyl)hydroxylamine, etc. ...
Source: Chemical Record - September 27, 2023 Category: Chemistry Authors: Bohdan Sosunovych Bohdan V Vashchenko Vladyslav A Andriashvili Oleksandr O Grygorenko Source Type: research
Application of Metathesis Protocols to the Stereocontrolled Synthesis of Some Functionalized β-Amino Esters and Azaheterocycles
Chem Rec. 2023 Sep 27:e202300279. doi: 10.1002/tcr.202300279. Online ahead of print.ABSTRACTIn this account our aim was to give an insight into the application of metathesis protocols (ROM, RCM, RCEYM, CM, RRM) for the synthesis of various azaheterocyclic frameworks. Due to the high biological potential and importance in peptide chemistry and drug design of β-amino acids our intention is to give a highlight on the synthetic procedures and transformation of these class of compounds with the above-mentioned metathesis strategies with emphasis on selectivity, stereocontrol, substrate-directing effect or functional group tole...
Source: Chemical Record - September 27, 2023 Category: Chemistry Authors: Anas Semghouli Melinda Nonn Attila M Remete Santos Fustero Lor ánd Kiss Source Type: research
2D MXenes Nanosheets for Advanced Energy Conversion and Storage Devices: Recent Advances and Future Prospects
Chem Rec. 2023 Sep 27:e202300235. doi: 10.1002/tcr.202300235. Online ahead of print.ABSTRACTSince the initial MXenes were discovered in 2011, several MXene compositions constructed using combinations of various transition metals have been developed. MXenes are ideal candidates for different applications in energy conversion and storage, because of their unique and interesting characteristics, which included good electrical conductivity, hydrophilicity, and simplicity of large-scale synthesis. Herein, we study the current developments in two-dimensional (2D) MXene nanosheets for energy storage and conversion technologies. F...
Source: Chemical Record - September 27, 2023 Category: Chemistry Authors: Abdul Mateen Maduru Suneetha Syed Shoaib Ahmad Shah Muhammad Usman Tauqeer Ahmad Iftikhar Hussain Shaukat Khan Mohammed A Assiri Ahmed M Hassan Muhammad Sufyan Javed Sung Soo Han Raed H Althomali Mohammed M Rahman Source Type: research
Bypassing Sulfonyl Halides: Synthesis of Sulfonamides from Other Sulfur-Containing Building Blocks
Chem Rec. 2023 Sep 27:e202300258. doi: 10.1002/tcr.202300258. Online ahead of print.ABSTRACTThis review disclosed synthetic approaches to sulfonyl amides from non-sulfonyl halogenated precursors. Known methods were systematized into groups and subgroups according to the type of starting organosulfur compound. Thiols, disulfides, and sulfonamides form a group of S(II)-containing precursors, which are used in oxidative amination reactions. An important and versatile group for oxidative amination is represented with S(IV)-containing compounds, i. e., sufinates, sulfinamides, DMSO, N-sulfinyl-O-(tert-butyl)hydroxylamine, etc. ...
Source: Chemical Record - September 27, 2023 Category: Chemistry Authors: Bohdan Sosunovych Bohdan V Vashchenko Vladyslav A Andriashvili Oleksandr O Grygorenko Source Type: research
Application of Metathesis Protocols to the Stereocontrolled Synthesis of Some Functionalized β-Amino Esters and Azaheterocycles
Chem Rec. 2023 Sep 27:e202300279. doi: 10.1002/tcr.202300279. Online ahead of print.ABSTRACTIn this account our aim was to give an insight into the application of metathesis protocols (ROM, RCM, RCEYM, CM, RRM) for the synthesis of various azaheterocyclic frameworks. Due to the high biological potential and importance in peptide chemistry and drug design of β-amino acids our intention is to give a highlight on the synthetic procedures and transformation of these class of compounds with the above-mentioned metathesis strategies with emphasis on selectivity, stereocontrol, substrate-directing effect or functional group tole...
Source: Chemical Record - September 27, 2023 Category: Chemistry Authors: Anas Semghouli Melinda Nonn Attila M Remete Santos Fustero Lor ánd Kiss Source Type: research
