2021-2024
Recent Progress in Haloalkenes Synthesis by Hydrohalogenation (HX = HCl, HBr, HI) of Alkynes
Kento Iwai, Nagatoshi Nishiwaki
Advanced Synthesis & Catalysis 2024, in press. (DOI: 10.1002/adsc.202301499)
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)
Synthesis of Polyfunctional Methanes Using Highly Reactive N-acylimine
Kento Iwai
Oleoscience 2024, 24, 5-10. (DOI: 10.5650/oleoscience.24.5)
Invited Paper for the Oleo Material Award
Cationic Iridium-Catalyzed Decarboxylation of Aromatic Carboxylic Acids
Reina Nonami, Yu Kishino, Tomokazu Yamasaki, Kazuya Kanemoto, Kento Iwai, Nagatoshi Nishiwaki, Kazutaka Shibatomi, Tomohiko Shirai
Chemistry – An Asian Journal e202300533 (4 pages). (DOI: 10.1002/asia.202300533)
A Study of the Correlation between the Bulkiness of peri-Substituents and the Distortion of a Naphthalene Ring
Annisa Indah Reza, Kento Iwai, Nagatoshi Nishiwaki
Molecules 2023, 28, 5343 (13 pages). (DOI: 10.3390/molecules28145343)
First Synthesis of Acylated Nitrocyclopropanes
Kento Iwai, Rikiya Kamidate, Khimiya Wada, Haruyasu Asahara, Nagatoshi Nishiwaki
Beilstein Journal of Organic Chemistry 2023, 19, 892-900. (DOI: 10.3762/bjoc.19.67)
Halo-Jacobsen Rearrangement Induced by Steric Repulsion between peri-Iodo Groups
Kento Iwai, Noa Nishiguchi, Nagatoshi Nishiwaki
The Journal of Organic Chemistry 2023, 88, 9409-9412. (DOI: 10.1021/acs.joc.3c00165)
2-Azafluorenone Derivatives: Photocatalyst for Oxygenation of Toluene via Electron Transfer and Hydrogen-Atom Transfer
Haruyasu Asahara, Yurie Horikawa, Kento Iwai, Nagatoshi Nishiwaki, Kei Ohkubo
Journal of Photohemistry and Photobiology 2023, 15, 100184 (7pages). (DOI: 10.1016/j.jpap.2023.100184)
Synthesis of Bis(functionalized) Aminals via Successive Nucleophilic Amidation and Amination
Kento Iwai, Akari Hikasa, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, Nagatoshi Nishiwaki
The Journal of Organic Chemistry 2023, 88, 2207-2213. (DOI: 10.1021/acs.joc.2c02647)
Simultaneous Denitrative C–C Bond Formation and Construction of Pyrazole Ring Leading to 1,1'-Diphenyl-4,4'-bipyrazole
Kento Iwai, Nana Hatayama, Nagatoshi Nishiwaki
Heterocycles 2023, 106, 160-165. (DOI: 10.3987/COM-22-14772)
Synthesis of Unsymmetrical Ketones Using Chelation-Controlled Sequential Substitution of N-Triazinylamide/Weinreb Amide by Organometallic Reagents
Shotaro Hirao, Rumi Saeki, Toru Takahashi, Kento Iwai, Nagatoshi Nishiwaki, Yasushi Ohga
ACS Omega 2022, 7, 48476-48483. (DOI: 10.1021/acsomega.2c06756)
Synthesis and Characterization of Multiple Functionalized Cyclohexanone Using Diels-Alder
Reaction of α-Nitrocinnamate
Takumi Hamada, Kento Iwai, Nagatoshi Nishiwaki
Reactions 2022, 3, 615-624. (DOI: 10.3390/reactions3040041).
For special issue "Cycloaddition Reactions at the Beginning of the Second Millennium "
Selected as a Title Story
Unusual Reactivities of ortho-Hydroxy-β-nitrostyrene
Kento Iwai, Khimiya Wada, Nagatoshi Nishiwaki
Molecules 2022, 27, 4804 (12 pages). (DOI: 10.3390/molecules27154804).
A New Approach to 10-Arylated 5H-Dibenzo[b,f]azepines Using syn-Selective Hydrohalogenation of Ethynylaniline
Kento Iwai, Yusuke Mukaijo, Haruyasu Asahara, Nagatoshi Nishiwaki
Organic & Biomolecular Chemistry 2022, 20, 5543-5550. (DOI: 10.1039/d2ob00950a)
Efficient Synthetic Method for α-Nitro-β-Dialdimine Ligands Bearing Electron-Deficient Aryl Groups
Mahiro Nakabayashi, Nagatoshi Nishiwaki, Akitaka Ito, Shotaro Hayashi, Kento Iwai
Tetrahedron Letters 2022, 102, 153948 (4 pages). (DOI: 10.1016/j.tetlet.2022.153948).
Recent Advances in Synthesis of Multiply Arylated/Alkylated Pyridines
Annisa Indah Reza, Kento Iwai, Nagatoshi Nishiwaki
The Chemical Record 2022, 22, e202200099 (20 pages). (DOI: 10.1002/tcr.202200099)
Selected as a Front Cover
A Mechanistic Study for Aziridination of Nitroalkenes Mediated by N-Chlorosuccinimide
Kento Iwai, Khimiya Wada, Feiyue Hao, Haruyasu Asahara, Nagatoshi Nishiwaki
Journal of Oleo Science 2022, 71, 897-903. (DOI: 10.5650/jos.ess21406)
Development of Synthetic Equivalent of α,α-Dicationic Acetic Acid Leading to Unnatural Amino Acid Derivatives via Tetrafunctionalized Methanes
Haruyasu Asahara, Atsushi Bonkohara, Masaya Takagi, Kento Iwai, Akitaka Ito, Kotaro Yoshioka, Shinki Tani, Kazuto Umezu, Nagatoshi Nishiwaki
Organic & Biomolecular Chemistry 2022, 20, 2282-2292. (DOI: 10.1039/D1OB02482E)
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)
Metal-Free and syn-Selective Hydrohalogenation of Alkynes through the Pseudo-Intramolecular Process
Haruyasu Asahara, Yusuke Mukaijo, Kengo Muragishi, Kento Iwai, Akitaka Ito and Nagatoshi Nishiwaki
European Journal of Organic Chemistry 2021, 5747-5755. (DOI: 10.1002/ejoc.202101134)
Selected as a Front Cover
Nitroacetonitrile and its Synthetic Equivalents
Kento Iwai and Nagatoshi Nishiwaki
The Journal of Organic Chemistry 2021, 86, 13177-13185. (DOI: 10.1021/acs.joc.1c01515)
Selected as a Front Cover
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)
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, 7903-7905. (DOI: 10.1039/C9CC03875B)
Selected as Inside Front Cover
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 3-Cyanoisoxazoles Using a Dianionic Reagent
Kento Iwai, Haruyasu Asahara, and Nagatoshi Nishiwaki
The Journal of Organic Chemistry 2017, 82, 5409-5415. (DOI: 10.1021/acs.joc.7b00811)
