Preferential intermolecular interactions in a racemic mixture of amino acid Schiff base, conformational structures in solid state and DFT studies

2020 ◽  
Author(s):  
Jesús Alfredo Lara Cerón ◽  
Victor Jimenez ◽  
Areli Molina ◽  
Mario Sanchez ◽  
Rasika Dias ◽  
...  

In the present work, we report the green synthesis of a Shiff base [N-(2-hydroxy-1-naphthylidene)-L-phenylalanine (1)] derived from α-amino acid, through ultrasound-assisted synthesis with excellent chemical yield in a short time....

2021 ◽  
Vol 888 ◽  
pp. 105-110
Author(s):  
Takashiro Akitsu ◽  
Yuto Kuroda ◽  
Shintaro Suda ◽  
Tetsundo Furuya ◽  
Tomoyuki Haraguchi ◽  
...  

Artificial metal enzymes that combine proteins with synthesized unnatural metal complexes as cofactors are attracting attention. The preparation of artificial metal enzymes not only clarifies the behavior of metal ions in biology, but also leads to the development of synthetic chemistry fields such as the discovery of new catalytic reactivity and substrate selectivity that are not observed in nature. In addition, a certain Schiff base zinc (II) complex is known to exhibit antioxidant and anticancer activity, too. Therefore, in this study, we investigated a rapid synthesis method of two known amino acid Schiff base zinc (II) complexes using microwave method and the complexation of zinc (II) complex with chicken egg white lysozyme, which is a relatively low molecular weight protein. Furthermore, investigation of weakly non-covalent intermolecular interaction features between the zinc (II) complexes and lysozyme was also carried out using some spectroscopic measurements.


1985 ◽  
Vol 16 (47) ◽  
Author(s):  
T. M. AMINABHAVI ◽  
N. S. BIRADAR ◽  
S. B. PATIL ◽  
V. L. RODDABASANAGOUDAR ◽  
W. E. RUDZINSKI

2020 ◽  
Vol 44 (39) ◽  
pp. 17129-17129
Author(s):  
Yoshito Miyagawa ◽  
Arshak Tsaturyan ◽  
Tomoyuki Haraguchi ◽  
Igor Shcherbakov ◽  
Takashiro Akitsu

Correction for ‘Photochemical reduction of Cr(vi) compounds by amino acid Schiff base copper complexes with a hydroxyl group and titanium oxide composites in aqueous solutions’ by Yoshito Miyagawa et al., New J. Chem., 2020, DOI: 10.1039/d0nj02481c.


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