Tomoki Yoneda
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View article: High-pressure electronic states in semiconductors studied by infrared spectroscopy: metallization and band gap tuning in Mg$_2$Si, InAs and InSb
High-pressure electronic states in semiconductors studied by infrared spectroscopy: metallization and band gap tuning in Mg$_2$Si, InAs and InSb Open
In this article, a brief introduction is first given on infrared studies of materials at high pressures using a diamond anvil cell. Then, our recent results of high-pressure infrared studies are described for Mg$_2$Si, InAs, and InSb. For …
View article: Electrochemical Single-Carbon Insertion via Distonic Radical Cation Intermediates
Electrochemical Single-Carbon Insertion via Distonic Radical Cation Intermediates Open
The synthesis of polysubstituted (hetero)aromatic compounds is essential in various fields, including pharmaceuticals, where such compounds are fundamental to many approved drugs. In this study, we present a novel electrochemical method fo…
View article: Front Cover: One‐pot, Gram‐Scale Synthesis of Calix[5]‐ and Calix[6]furan: Derivatization for Polyketone‐ and Isopyrazole‐based Macrocycles with Conformational Analysis (Asian J. Org. Chem. 5/2024)
Front Cover: One‐pot, Gram‐Scale Synthesis of Calix[5]‐ and Calix[6]furan: Derivatization for Polyketone‐ and Isopyrazole‐based Macrocycles with Conformational Analysis (Asian J. Org. Chem. 5/2024) Open
Gram-scale synthesis of calix[n]furans (n = 4, 5, and 6) has been achieved using size-selective precipitation protocols. The obtained calix[n]furans were successfully converted to cyclic polyketones and subsequently to ethylene-bridged cyc…
View article: Strain-Based Design, Direct Macrocyclization, and Metal Complexation of Thiazole-Containing Calix[3]pyrrole Analogues
Strain-Based Design, Direct Macrocyclization, and Metal Complexation of Thiazole-Containing Calix[3]pyrrole Analogues Open
Coordination chemistry of ring-contracted porphyrins, such as subporphyrin and calix[3]pyrrole, has been largely unexplored due to the synthetic difficulty of their free-base analogues. Here, we report strain-based molecular design and hig…
View article: Strain-based design, direct macrocyclization, and metal complexation of thiazole-containing calix[3]pyrrole analogues
Strain-based design, direct macrocyclization, and metal complexation of thiazole-containing calix[3]pyrrole analogues Open
AFIR- and StrainViz-based evaluation of macrocyclic ring strain allowed rational design and high-yield synthesis of calix[3]pyrrole analogues. Among them, calix[1]pyrrole[2]thiazole afforded various metal complexes including water-stable o…
View article: CCDC 2240301: Experimental Crystal Structure Determination
CCDC 2240301: 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 2240297: Experimental Crystal Structure Determination
CCDC 2240297: 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 2240298: Experimental Crystal Structure Determination
CCDC 2240298: 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 2240300: Experimental Crystal Structure Determination
CCDC 2240300: 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 2240302: Experimental Crystal Structure Determination
CCDC 2240302: 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 2240299: Experimental Crystal Structure Determination
CCDC 2240299: 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 2237412: Experimental Crystal Structure Determination
CCDC 2237412: 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 2237424: Experimental Crystal Structure Determination
CCDC 2237424: 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 2237091: Experimental Crystal Structure Determination
CCDC 2237091: 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 2237092: Experimental Crystal Structure Determination
CCDC 2237092: 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: Chain-Length-Dependent Hydrogen-Bonded Self-Assembly of Terminally Functionalized Discrete Polyketones
Chain-Length-Dependent Hydrogen-Bonded Self-Assembly of Terminally Functionalized Discrete Polyketones Open
Here, we report the synthesis and the chain-length-dependent self-assembling behaviors of discrete di-, tetra-, and hexaketones terminally functionalized with hydrogen-bonding carboxyl (C1, C2, and C3) and 3-acylaminop…
View article: Chiral Calix[3]pyrrole Derivatives: Synthesis, Racemization Kinetics, and Ring Expansion to Calix[9]‐ and Calix[12]pyrrole Analogues
Chiral Calix[3]pyrrole Derivatives: Synthesis, Racemization Kinetics, and Ring Expansion to Calix[9]‐ and Calix[12]pyrrole Analogues Open
Chiral pyrrolic macrocycles continue to attract interest. However, their molecular design remains challenging. Here, we report a calixpyrrole‐based chiral macrocyclic system, calix[1]furan[1]pyrrole[1]thiophene ( 1 ), synthesized from an o…
View article: Carbonyl-Containing Solid Polymer Electrolyte Host Materials: Conduction and Coordination in Polyketone, Polyester, and Polycarbonate Systems
Carbonyl-Containing Solid Polymer Electrolyte Host Materials: Conduction and Coordination in Polyketone, Polyester, and Polycarbonate Systems Open
Research on solid polymer electrolytes (SPEs) is now moving beyond the realm of polyethers that have dominated the field for several decades. A promising alternative group of candidates for SPE host materials is carbonyl-containing polymer…
View article: Absorption spectra of calix[3]pyrrole analogs as probes for contracted macrocycles
Absorption spectra of calix[3]pyrrole analogs as probes for contracted macrocycles Open
Calix[3]pyrrole and its furan derivatives exhibited bathochromically shifted lowest-energy electronic transition bands in their absorption spectra compared with their calix[4]- and calix[6]-pyrrole analogues, despite the repeating units be…
View article: CCDC 2173800: Experimental Crystal Structure Determination
CCDC 2173800: 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 2173799: Experimental Crystal Structure Determination
CCDC 2173799: 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 2127628: Experimental Crystal Structure Determination
CCDC 2127628: 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 2127623: Experimental Crystal Structure Determination
CCDC 2127623: 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 2127626: Experimental Crystal Structure Determination
CCDC 2127626: 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 2127624: Experimental Crystal Structure Determination
CCDC 2127624: 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 2127627: Experimental Crystal Structure Determination
CCDC 2127627: 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 2127625: Experimental Crystal Structure Determination
CCDC 2127625: 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 2141344: Experimental Crystal Structure Determination
CCDC 2141344: Experimental Crystal Structure Determination Open
View article: CCDC 2141342: Experimental Crystal Structure Determination
CCDC 2141342: Experimental Crystal Structure Determination Open
View article: CCDC 2141343: Experimental Crystal Structure Determination
CCDC 2141343: Experimental Crystal Structure Determination Open