2010-2012
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)
Functionalization of a Pyridine Framework via Intramolecular Reissert-Henze Reaction of N-Carbamoyloxypyridinium Salt aand Unexpected Insertion of Etherial Solvents
Haruyasu Asahara, Asuka Kataoka, Shotaro Hirao, and Nagatoshi Nishiwaki
European Journal of Organic Chemistry 2015, 3994-3999.
Development of a New Palladium Catalyst Supported on Phenolic Resin
Nagatoshi Nishiwaki, Sayaka Hamada, Tomoe Watanabe, Shotaro Hirao, Jun Sawayama, Haruyasu Asahara, Kazuhiko Saigo, Toru Kamata, and Masahiko Funabashi
RSC Advances 2015, 5, 4463-4467.
Facilitation of the Reduction of Pd(II) by the Glass Surface -Development of a Glass-Supported Palladium Catalyst-
Nagatoshi Nishiwaki, Yasuyuki Mori, Erina Fukuoka, Haruyasu Asahara, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Tomoya Konishi, and Masahiko Shimoda
Chemical Physics Letters 2014, 608, 340-343.
Enantiopure O-Ethyl Phenylphosphonothioic Acid: A Solvating Agent for the Determination of Enantiomeric Excesses
Kazushige Matsumoto, Jun Sawayama, Shotaro Hirao, Nagatoshi Nishiwaki, Ryuichi Sugimoto, and Kazuhiko Saigo
Chirality 2014, 26, 614-619.
An NMR Study on a Pseudo-Intramolecular Transacylation Reaction of an α-Aryl-β-keto Ester
Sho Hirai, Haruyasu Asahara, Shotaro Hirao, Jun Sawayama, Ryuichi Sugimoto, Kazuhiko Saigo, and Nagatoshi Nishiwaki
RSC Advances 2014, 4, 4889-4892.
Synthesis of Vicinally Functionalized 1,4-Dihydropyridines and Diazaheterocycles via a Pseudo-Intramolecular Process
Nagatoshi Nishiwaki, Shotaro Hirao, Jun Sawayama, Haruyasu Asahara, Ryuichi Sugimoto, Kazuya Kobiro, and Kazuhiko Saigo
Tetrahedron 2014, 70, 402-408.
Anomalous Effect of α,α,α-Trifluoroacetophenone Derivatives on a Conjugated Umpolung Reaction: Enantioselective Direct Self-Annulation of Enals Catalyzed by a Chiral Cyclophane- type N-Heterocyclic Carbene
Yasuhiro Ishida, Kunihiro Kawatsu, Yuki Matsuoka, Kuniyo Yamada, Ryuichi Ikariya, Jun Sawayama, Shotaro Hirao, Nagatoshi Nishiwaki, Kazuhiko Saigo
Asian Journal of Organic Chemistry 2013, 2, 140−144.
One-Step Synthesis of Differently Bis-Functionalized Isoxazoles by Cycloaddition of Carbamoylnitrile Oxide with β-Keto Esters
Nagatoshi Nishiwaki, Kazuya Kobiro, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Yumiko Ise, Maho Nishizawa, Masahiro Ariga
Organic & Biomolecular Chemistry 2012, 10, 1987−1991.
Practically Usable C3 Building Blocks for the Syntheses of Nitro Heterocycles
Nagatoshi Nishiwaki, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo
Heterocycles 2012, 84, 115−134.
One-step and Non-catalytic Intramolecular Redox Reactions of Conjugated All E-Dienals to Non-conjugated Z-Enoic Acids in Subcritical Water
Xin Chen, Kana Sumoto, Tetsuya Yamagami, Kazuya Yokoyama, Pengyu Wang, Shotaro Hirao, Nagatoshi Nishiwaki, Kazuya Kobiro
The Journal of Supercritical Fluids 2012, 62, 178−183.
Hydroxylated Surface of GaAs as a Scaffold for Heterogeneous Pd Catalyst
Nagatoshi Nishiwaki, Tomoya Konishi, Shotaro Hirao, Yoshiyuki Yamashita, Hideki Yoshikawa, Masahiko Shimoda
Physical Chemistry Chemical Physics 2012, 14, 1424−1430.
Ring Construction via Pseudo-Intramolecular Hydrazonation Using Bifunctional δ-Keto Nitrile
Shotaro Hirao, Kazuya Kobiro, Jun Sawayama, Kazuhiko Saigo, Nagatoshi Nishiwaki
Tetrahedron Letters 2012, 53, 82−85.
Inverse Electron-Demand 1,3-Dipolar Cycloaddition of Nitrile Oxide with Common Nitriles Leading to 3-Functionalized 1,2,4-Oxadiazoles
Nagatoshi Nishiwaki, Kazuya Kobiro, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Yumiko Ise, Yoshikazu Okajima, Masahiro Ariga
Organic & Biomolecular Chemistry 2011, 9, 6750−6754.
Bicyclization Involving Pseudo-Intramolecular Imination with Diamines
Nagatoshi Nishiwaki, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Kazuya Kobiro
Chemical Communications 2011, 47, 4938−4940.
An Anomalous hydration/Dehydration Sequence for the Mild Generation of a Nitrile Oxide
Nagatoshi Nishiwaki, Kazuya Kobiro, Hideyuki Kiyoto, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Yoshikazu Okajima, Toshiharu Uehara, Asaka Maki, Masahiro Ariga
Organic & Biomolecular Chemistry 2011, 9, 2832−2839.