Yuji Tokunaga
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View article: Synthesis of a cross-chain bridging cryptand
Synthesis of a cross-chain bridging cryptand Open
Two methodologies for synthesizing a cross-chain bridging cryptand are presented: (1) through an intramolecular cross-linking of C 2 -symmetric crown ethers and (2) through a triple-linking reaction in a single step.
View article: Acid–base responsive molecular switching of a [2]rotaxane incorporating two different stations in an axle component
Acid–base responsive molecular switching of a [2]rotaxane incorporating two different stations in an axle component Open
To design new types of rotaxanes for pH-driven molecular switches, we synthesized a [2]rotaxane with a non-symmetric axial molecule with two different stations. This rotaxane acts as a molecular switch upon application of external acid/bas…
View article: CCDC 2267810: Experimental Crystal Structure Determination
CCDC 2267810: 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 2267806: Experimental Crystal Structure Determination
CCDC 2267806: 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: Solvent-dependent isomerization of a chromogenic trefoil-shaped salicylaldehyde azine derivative
Solvent-dependent isomerization of a chromogenic trefoil-shaped salicylaldehyde azine derivative Open
A chromogenic trefoil-shaped salicylaldehyde azine derivative displayed solvent-dependent isomerism of the C3h and CS symmetries. An azine derivative was prepared from triformylphloroglucinol and 3,5-di-tert-butylsalicylaldehyde hydrazone.…
View article: CCDC 2079414: Experimental Crystal Structure Determination
CCDC 2079414: 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 2093667: Experimental Crystal Structure Determination
CCDC 2093667: 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 2129618: Experimental Crystal Structure Determination
CCDC 2129618: 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 2242974: Experimental Crystal Structure Determination
CCDC 2242974: 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 2260286: Experimental Crystal Structure Determination
CCDC 2260286: 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: Solvent-Dependent Isomerization of a Chromogenic Trefoil-Shaped Salicylaldehyde Azine Derivative
Solvent-Dependent Isomerization of a Chromogenic Trefoil-Shaped Salicylaldehyde Azine Derivative Open
View article: CCDC 2158287: Experimental Crystal Structure Determination
CCDC 2158287: 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 2105398: Experimental Crystal Structure Determination
CCDC 2105398: Experimental Crystal Structure Determination Open
View article: Quantitative Difference in Solubility of Diastereomeric (<sup>2</sup>H/<sup>1</sup>H)-Isotopomers
Quantitative Difference in Solubility of Diastereomeric (<sup>2</sup>H/<sup>1</sup>H)-Isotopomers Open
[Image: see text] Many achiral organic compounds become chiral by an isotopic substitution of one of the enantiotopic moieties in their structures. Although spectroscopic methods can recognize the molecular chirality due to an isotopic sub…
View article: CCDC 2047960: Experimental Crystal Structure Determination
CCDC 2047960: Experimental Crystal Structure Determination Open
View article: Base-induced multi-state fluorescence of a trefoil-shaped salicylaldehyde azine derivative
Base-induced multi-state fluorescence of a trefoil-shaped salicylaldehyde azine derivative Open
Base-induced four-state fluorescence is demonstrated in a trefoil-shaped salicylaldehyde azine derivative bearing multiple acidic protons.
View article: CCDC 1951121: Experimental Crystal Structure Determination
CCDC 1951121: 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 1951120: Experimental Crystal Structure Determination
CCDC 1951120: Experimental Crystal Structure Determination Open
View article: CCDC 1905193: Experimental Crystal Structure Determination
CCDC 1905193: 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: Self-Replication of Chiral α-Amino Acids in Strecker-Type Synthesis <i>via</i> Asymmetric Induction and Amplification of Their Own Chiral Intermediate α-Aminonitriles
Self-Replication of Chiral α-Amino Acids in Strecker-Type Synthesis <i>via</i> Asymmetric Induction and Amplification of Their Own Chiral Intermediate α-Aminonitriles Open
Self-replication is one of the essential characteristics of life, therefore, chemical reaction, in which biologically related chiral enantioenriched compounds can promote their own production, is an attractive challenge in broad scientific…
View article: Absolute asymmetric Strecker synthesis in a mixed aqueous medium: reliable access to enantioenriched α-aminonitrile
Absolute asymmetric Strecker synthesis in a mixed aqueous medium: reliable access to enantioenriched α-aminonitrile Open
Under aqueous conditions, total spontaneous resolution of α-aminonitrile occurred by the reaction of three achiral reagents; therefore, absolute asymmetric Strecker synthesis was demonstrated.
View article: CCDC 1560677: Experimental Crystal Structure Determination
CCDC 1560677: 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 1560537: Experimental Crystal Structure Determination
CCDC 1560537: 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 1560574: Experimental Crystal Structure Determination
CCDC 1560574: 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 1560678: Experimental Crystal Structure Determination
CCDC 1560678: 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 1560341: Experimental Crystal Structure Determination
CCDC 1560341: 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 1560648: Experimental Crystal Structure Determination
CCDC 1560648: 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 1560534: Experimental Crystal Structure Determination
CCDC 1560534: 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 1560665: Experimental Crystal Structure Determination
CCDC 1560665: 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 1560681: Experimental Crystal Structure Determination
CCDC 1560681: 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 …