Publication List of Dr. Yokoyama @ KUT

2017-2020


Highly Electron-Deficient 1-Propyl-3,5-dinitropyridinium: Evaluation of Eelectron-Accepting Ability and Application as an Oxidative Quencher for Metal Complexes
Akitaka Ito, Yasuyuki Kuroda, Kento Iwai, Soichi Yokoyama, Nagatoshi Nishiwaki
RSC Advances 2024, 14, 5846-5850. (DOI: 10.1039/D4RA00845F)




FeCl3-Promoted Facile Synthesis of Multiply Arylated Nicotinonitriles
Kento Iwai, Haruka Yamauchi, Soichi Yokoyama and Nagatoshi Nishiwaki
Synthesis 2022, 54, 2480-2486. (DOI: 10.1055/a-1731-9464)




Synthesis and intramolecular ring transformation of N,N’-dialkylated 2,6,9-triazabicyclo[3.3.1]nonadienes
Yumi Nakaike, Yusuke Yoshida, Soichi Yokoyama, Akitaka Ito and Nagatoshi Nishiwaki
Organic & Biomolecular Chemistry, 2020, 18, 9109-9116. (DOI: 10.1039/D0OB01950J)




Comparison of Substituting Ability of Nitronate versus Enolate for Direct Substitution of a Nitro Group
Yusuke Mukaijo, Soichi Yokoyama, and Nagatoshi Nishiwaki
Molecules 2020, 25, 2048 (8 pages). (DOI: 10.3390/molecules25092048)



Vapochromic Properties of Diethenylpyrrole with Naphthyl Tethers Induced by Formation of Distorted Structure at the Solid State
Soichi Yokoyama, Haruyasu Asahara, and Nagatoshi Nishiwaki
Crystal Growth & Design 2020, 20, 1383-1387. (DOI: 10.1021/acs.cgd.9b01596)



Three Step Synthesis of Fully and Differently Arylated Pyridines
Mao Arita, Soichi Yokoyama, Haruyasu Asahara, and Nagatoshi Nishiwaki
European Journal of Organic Chemistry 2020, 466-474. (DOI: 10.1002/ejoc.201901663)
Selected as a Noteworthy in ChemistryViews. Original Figure is Here.





Non-electronic Activation of Aromatic Ring by Simple Steric Repulsion between Substituents in 1-Methylquinolinium Salt Systems
Kento Iwai, Soichi Yokoyama, Haruyasu Asahara, and Nagatoshi Nishiwaki
Bulletin of the Chemical Society of Japan 2020, 93, 50-57. (DOI: 10.1246/bcsj.20190263)




Anion-Capture-Induced Fluorescence Enhancement of Bis(cyanostyryl)pyrrole Based on a Concept of Restricted Access to Conical Intersection
Soichi Yokoyama, Akitaka Ito, Haruyasu Asahara, and Nagatoshi Nishiwaki
Bulletin of the Chemical Society of Japan 2019, 92, 1807-1815. (DOI: 10.1246/bcsj.20190196)
Selected Paper




Development of Safely Handleable Synthetic Equivalent of Cyanonitrile Oxide –1,3-Dipolar Cycloaddition of Nitroacetonitrile–
Nagatoshi Nishiwaki, Yuta Kumegawa, Kento Iwai and Soichi Yokoyama
Chemical Communications 2019, 55, in press. (DOI: 10.1039/C9CC03875B)
Selected as Inside Front Cover




A Facile Synthesis of Oxiranes Possessing Three or Four Carbonyl Groups
Haruyasu Asahara, Shuhei Kikuchi, Yuto Unno, Soichi Yokoyama, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, and Nagatoshi Nishiwaki
Current Organic Chemistry 2019, 23, 97-102.(DOI: 10.2174/1385272823666190112103813)




Metal-Free O-Selective Direct Acylation of Amino Alcohols via Pseudo-Intramolecular Process
Soichi Yokoyama, Hiroshi Shibauchi, Haruyasu Asahara, and Nagatoshi Nishiwaki
European Journal of Organic Chemistry 2019, 1125-1133 (DOI: 10.1002/ejoc.201801589) .





Facile Synthesis of Onychines
Mao Arita, Soichi Yokoyama, Haruyasu Asahara, and Nagatoshi Nishiwaki
Synthesis 2019, 51, 2007-2013.(DOI: 10.1055/s-0037-1612058)





Direct Dihalo-Alkoxylation of Nitroalkenes Leading to β,β-Dihalo-β-nitroethyl Alkyl Ethers
Feiyue Hao, Soichi Yokoyama and Nagatoshi Nishiwaki
Organic & Biomolecular Chemistry 2018, 16, 2768-2775. (DOI: 10.1039/C8OB00408K)



Phosphine Induced Dimerization of Propargyl Alcohols Leading to Allyl Propargyl Ethers
Kento Iwai, Soichi Yokoyama, Haruyasu Asahara and Nagatoshi Nishiwaki
Journal of Oleo Science 2018, 67, 773-778. (DOI: 10.5650/jos.ess17277)




A Direct Synthesis of Trisubstituted Allenes from Propargyl Alcohols via Oxaphosphetane Intermediates
Kento Iwai, Soichi Yokoyama, Haruyasu Asahara and Nagatoshi Nishiwaki
Bulletin of the Chemical Society of Japan 2018, 91, 337-342. (DOI: 10.1246/bcsj.20170372)



Synthesis of Functionalized 4-Nitroanilines by Ring Transformation of Dinitropyridone with Enaminones
Saki Naito, Soichi Yokoyama, Haruyasu Asahara and Nagatoshi Nishiwaki
Tetrahedron Letters 2017, 58, 4699-4702. (DOI: 10.1016/j.tetlet.2017.11.003)



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