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1

Asymmetric epoxidation catalyzed by novel azacrown ether-type chiral quaternary ammonium salts under phase-transfer catalytic conditions

Kazushige Hori, Mina Tamura, Keita Tani, Nagatoshi Nishiwaki, Masahiro Ariga, Yasuo Tohda

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 111 KB

english, 2006

2

Application of Cyano-aci-Nitroacetate to Organic Syntheses. 1. Facile Synthesis of Pentanedinitrile-2,4-dinitronates

Nishiwaki, Nagatoshi, Nogami, Tomoko, Tanaka, Chitose, Nakashima, Fuminori, Inoue, Yoji, Asaka, Noriko, Tohda, Yasuo, Ariga, Masahiro

Journal:

Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 43 KB

english, 1999

3

Reactive 2-quinolones dearomatized by steric repulsion between 1-methyl and 8-substituted groups

Chen, Xin, Kobiro, Kazuya, Asahara, Haruyasu, Kakiuchi, Kiyomi, Sugimoto, Ryuichi, Saigo, Kazuhiko, Nishiwaki, Nagatoshi

Journal:

Year:

2013

Language:

english

File:

PDF, 3.63 MB

english, 2013

4

Synthesis of 2-Aryl-5-Nitropyridines by Three-Component Ring Transformation of 3,5-Dinitro-2-Pyridone

Le, Thi Song, Asahara, Haruyasu, Kobiro, Kazuya, Sugimoto, Ryuichi, Saigo, Kazuhiko, Nishiwaki, Nagatoshi

Journal:

Asian Journal of Organic Chemistry

Year:

2014

Language:

english

File:

PDF, 7.31 MB

english, 2014

5

An Efficient Synthesis of Nitrated Cycloalka[b]pyridines

Le, Thi, Asahara, Haruyasu, Nishiwaki, Nagatoshi

Journal:

Year:

2014

Language:

english

File:

PDF, 190 KB

english, 2014

6

Direct and Efficient Functionalization of the 1-Methyl-2-Quinolone Framework

Hao, Feiyue, Asahara, Haruyasu, Nishiwaki, Nagatoshi

Journal:

Procedia Engineering

Year:

2017

Language:

english

File:

PDF, 530 KB

english, 2017

7

A Direct Synthesis of Trisubstituted Allenes from Propargyl Alcohols via Oxaphosphetane Intermediates

Iwai, Kento, Yokoyama, Soichi, Asahara, Haruyasu, Nishiwaki, Nagatoshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

2017

Language:

english

File:

PDF, 527 KB

english, 2017

8

Facile Synthesis of Onychines

Arita, Mao, Yokoyama, Soichi, Asahara, Haruyasu, Nishiwaki, Nagatoshi

Journal:

Year:

2019

Language:

english

File:

PDF, 185 KB

english, 2019

9

Recent Progress in Nitro-Promoted Direct Functionalization of Pyridones and Quinolones

Hao, Feiyue, Nishiwaki, Nagatoshi

Journal:

Year:

2020

File:

PDF, 879 KB

2020

10

Titelbild

Nagatoshi Nishiwaki, Kristian Rahbek Knudsen, Kurt V. Gothelf, Karl Anker Jørgensen

Journal:

Angewandte Chemie

Year:

2001

Language:

german

File:

PDF, 23 KB

german, 2001

11

Catalytic Enantioselective Addition of Nitro Compounds to Imines—A Simple Approach for the Synthesis of Optically Active β-Nitro-α-Amino Esters

Nagatoshi Nishiwaki, Kristian Rahbek Knudsen, Kurt V. Gothelf, Karl Anker Jørgensen

Journal:

Angewandte Chemie

Year:

2001

Language:

english

File:

PDF, 102 KB

english, 2001

12

Cover Picture

Nagatoshi Nishiwaki, Kristian Rahbek Knudsen, Kurt V. Gothelf, Karl Anker Jørgensen

Journal:

Angewandte Chemie International Edition

Year:

2001

Language:

english

File:

PDF, 22 KB

english, 2001

13

Catalytic Enantioselective Addition of Nitro Compounds to Imines—A Simple Approach for the Synthesis of Optically Active β-Nitro-α-Amino Esters

Nagatoshi Nishiwaki, Kristian Rahbek Knudsen, Kurt V. Gothelf, Karl Anker Jørgensen

Journal:

Angewandte Chemie International Edition

Year:

2001

Language:

english

File:

PDF, 102 KB

english, 2001

14

ChemInform Abstract: Application of Cyano-aci-nitroacetate to Organic Syntheses. Part 1. Facile Synthesis of Pentanedinitrile-2,4-dinitronates.

Nagatoshi Nishiwaki, Tomoko Nogami, Chitose Tanaka, Fuminori Nakashima, Yoji Inoue, Noriko Asaka, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

1999

File:

PDF, 32 KB

1999

15

ChemInform Abstract: Application of Cyano-aci-nitroacetate to Organic Syntheses. Part 2. One-Pot Synthesis of Polyfunctionalized Isoxazol(in)es.

Nagatoshi Nishiwaki, Tomoko Nogami, Takayasu Kawamura, Noriko Asaka, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2000

File:

PDF, 30 KB

2000

16

ChemInform Abstract: Two Ring Transformations of 3-Methyl-5-nitropyrimidin-4(3H)-one for the Construction of Azaheterocycles.

Nagatoshi Nishiwaki, Tomoko Adachi, Kengo Matsuo, Hui-Ping Wang, Tomoko Matsunaga, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2000

File:

PDF, 31 KB

2000

17

ChemInform Abstract: The First Catalytic Asymmetric Aza-Henry Reaction of Nitronates with Imines: A Novel Approach to Optically Active β-Nitro-α-amino Acid- and α,β-Diamino Acid Derivatives.

Kristian Rahbek Knudsen, Tine Risgaard, Nagatoshi Nishiwaki, Kurt V. Gothelf, Karl Anker Joergensen

Journal:

Year:

2001

File:

PDF, 32 KB

2001

18

ChemInform Abstract: Catalytic Enantioselective Addition of Nitro Compounds to Imines — A Simple Approach for the Synthesis of Optically Active β-Nitro-α-amino Esters.

Nagatoshi Nishiwaki, Kristian Rahbek Knudsen, Kurt V. Gothelf, Karl Anker Joergensen

Journal:

Year:

2001

File:

PDF, 39 KB

2001

19

ChemInform Abstract: Synthetic Equivalent of α-Nitroformylacetic Acid.

Nagatoshi Nishiwaki, Hiromi Ohtomo, Mina Tamura, Kazushige Hori, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2001

File:

PDF, 28 KB

2001

20

ChemInform Abstract: Synthesis of 2,3-Difunctionalized 4-Nitropyrroles.

Nagatoshi Nishiwaki, Masataka Nakanishi, Takahiko Hida, Yuko Miwa, Mina Tamura, Kazushige Hori, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2002

File:

PDF, 28 KB

2002

21

ChemInform Abstract: A New Approach to 6-Nitro-1H-[1,4]-diazepines.

Nagatoshi Nishiwaki, Takuma Ogihara, Mina Tamura, Noriko Asaka, Kazushige Hori, Yasuo Yohda, Masahiro Ariga

Journal:

Year:

2002

File:

PDF, 28 KB

2002

22

Facile Synthesis of Functionalized 4-Aminopyridines.

Nagatoshi Nishiwaki, Mayumi Azuma, Mina Tamura, Kazushige Hori, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2003

File:

PDF, 123 KB

2003

23

Facile Synthesis of Unsymmetrical 1,1-Diamino-2-nitroethenes and Functionalized Amidoximes.

Nagatoshi Nishiwaki, Yoshikazu Okajima, Mina Tamura, Noriko Asaka, Kazushige Hori, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2003

File:

PDF, 18 KB

2003

24

Development and Regioselective Control of New Ring Transformation

Nagatoshi Nishiwaki, Masahiro Ariga

Journal:

Year:

2004

File:

PDF, 53 KB

2004

25

Transacylation of α-Aryl-β-keto Esters.

Nagatoshi Nishiwaki, Daisei Nishida, Tetsuya Ohnishi, Fumie Hidaka, Satoru Shimizu, Mina Tamura, Kazushige Hori, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2004

File:

PDF, 230 KB

2004

26

A Novel Ring Transformation of Nitropyrimidinone Leading to Polyfunctionalized Pyridones.

Nagatoshi Nishiwaki, Hiromi Morimura, Kazuo Matsushima, Mina Tamura, Masahiro Ariga

Journal:

Year:

2004

File:

PDF, 95 KB

2004

27

The Ring Transformation of 3-Methyl-5-nitropyrimidin-4(3H)-one

Nagatoshi Nishiwaki, Mina Tamura, Kazushige Hori, Yasuo Tohda, Masahiro Ariga

Journal:

Year:

2004

File:

PDF, 52 KB

2004

28

New Reactivity of Nitropyrimidinone: Ring Transformation and N-C Transfer Reactions.

Nagatoshi Nishiwaki, Kazuo Matsushima, Miki Chatani, Mina Tamura, Masahiro Ariga

Journal:

Year:

2004

File:

PDF, 180 KB

2004

29

Reaction of 3,5-Dicyanoisoxazoles with Nucleophiles.

Mina Tamura, Tae Nishimura, Nagatoshi Nishiwaki, Masahiro Ariga

Journal:

Year:

2004

File:

PDF, 20 KB

2004

30

Novel Synthesis of Bihetaryl Compounds.

Nagatoshi Nishiwaki, Keiko Yamashita, Mayumi Azuma, Tomoko Adachi, Mina Tamura, Masahiro Ariga

Journal:

Year:

2005

File:

PDF, 17 KB

2005

31

4-Nitroisoxazolin-5(2H)-one: Diverse Synthetic Intermediate for Polyfunctionalized Systems

Nagatoshi Nishiwaki, Masahiro Ariga

Journal:

Year:

2005

File:

PDF, 8 KB

2005

32

Diels—Alder Reaction of 1-Methyl-3,6,8-trinitro-2-quinolone.

Motoki Asahara, Moriaki Nagamatsu, Yasuo Tohda, Nagatoshi Nishiwaki, Masahiro Ariga

Journal:

Year:

2005

File:

PDF, 18 KB

2005

33

New Synthetic Equivalent of Nitromalonaldehyde Treatable in Organic Media.

Nagatoshi Nishiwaki, Takuma Ogihara, Toshiko Takami, Mina Tamura, Masahiro Ariga

Journal:

Year:

2005

File:

PDF, 31 KB

2005

34

Synthesis of Unnatural 1-Methyl-2-quinolone Derivatives.

Motoki Asahara, Taku Katayama, Yasuo Tohda, Nagatoshi Nishiwaki, Masahiro Ariga

Journal:

Year:

2005

File:

PDF, 31 KB

2005

35

ChemInform Abstract: Formylnitroenamines: Useful Building Blocks for Nitrated Pyridones and Aminopyridines with Functional Groups.

Yumi Nakaike, Daisuke Hayashi, Nagatoshi Nishiwaki, Yoshito Tobe, Masahiro Ariga

Journal:

Year:

2009

File:

PDF, 52 KB

2009

36

ChemInform Abstract: Developement of Highly Effective Reactions Using Pseudo Intramolecular Process

Nagatoshi Nishiwaki

Journal:

Year:

2009

File:

PDF, 15 KB

2009

37

ChemInform Abstract: Pseudo-Intramolecular Cyclization of α-Nitro-δ-keto Nitrile Leading to 2-Amino-3-nitro-1,4-dihydropyridines.

Nagatoshi Nishiwaki, Kengo Kakutani, Mina Tamura, Masahiro Ariga

Journal:

Year:

2009

File:

PDF, 23 KB

2009

38

ChemInform Abstract: Synthesis of 2,6-Disubstituted Pyrido[2,3-b][1,4]oxazines.

Nagatoshi Nishiwaki, Masataka Hisaki, Masaki Ono, Masahiro Ariga

Journal:

Year:

2010

File:

PDF, 28 KB

2010

39

ChemInform Abstract: Regioselective Nitroalkylation of the 1-Methyl-2-quinolone Framework.

Motoki Asahara, Masaki Ohtsutsumi, Masahiro Ariga, Nagatoshi Nishiwaki

Journal:

Year:

2010

File:

PDF, 30 KB

2010

40

ChemInform Abstract: Efficient Double Bond Migration of Allylbenzenes Catalyzed by Pd(OAc)2—HFIP System with Unique Substituent Effect.

Nagatoshi Nishiwaki, Ryuichiro Kamimura, Kimihiro Shono, Toshihiko Kawakami, Katsuhisa Nakayama, Kohei Nishino, Takayuki Nakayama, Keisuke Takahashi, Aki Nakamura, Takahiro Hosokawa

Journal:

Year:

2010

File:

PDF, 39 KB

2010

41

ChemInform Abstract: Chemistry of Nitroquinolones and Synthetic Application to Unnatural 1-Methyl-2-quinolone Derivatives

Nagatoshi Nishiwaki

Journal:

Year:

2010

File:

PDF, 14 KB

2010

42

ChemInform Abstract: One-Step Construction of 6-Aza-2-thiabicyclo[3.3.1]nona-3,7-diene Framework.

Nagatoshi Nishiwaki, Kazuya Kobiro

Journal:

Year:

2011

File:

PDF, 25 KB

2011

43

ChemInform Abstract: 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

Journal:

Year:

2011

File:

PDF, 27 KB

2011

44

ChemInform Abstract: Bicyclization Involving Pseudo-Intramolecular Imination with Diamines.

Nagatoshi Nishiwaki, Shotaro Hirao, Jun Sawayama, Kazuhiko Saigo, Kazuya Kobiro

Journal:

Year:

2011

File:

PDF, 29 KB

2011

45

ChemInform Abstract: 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

Journal:

Year:

2012

File:

PDF, 33 KB

2012

46

Diels-alder reaction of 1-methyl-3,6,8-trinitro-2-quinolone

Motoki Asahara, Moriaki Nagamatsu, Yasuo Tohda, Nagatoshi Nishiwaki, Masahiro Ariga

Journal:

Journal of Heterocyclic Chemistry

Year:

2004

Language:

english

File:

PDF, 111 KB

english, 2004

47

Synthesis and properties of tetrakisbridged parallel- and cross-orientation biphenylophanes

Keita Tani, Hiromi Seo, Migiwa Maeda, Kazuko Imagawa, Nagatoshi Nishiwaki, Masahiro Ariga, Yasuo Tohda, Hiroyuki Higuchi, Hiro Kuma

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 213 KB

english, 1995

48

Synthesis of 2,6-disubstituted pyrido[2,3-b][1,4]oxazines

Nagatoshi Nishiwaki, Masataka Hisaki, Masaki Ono, Masahiro Ariga

Journal:

Year:

2009

Language:

english

File:

PDF, 193 KB

english, 2009

49

The nitroalkene showing dual behaviors in the same reaction system

Motoki Asahara, Chika Shibano, Koichi Koyama, Mina Tamura, Yasuo Tohda, Nagatoshi Nishiwaki, Masahiro Ariga

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 98 KB

english, 2005

50

Nucleophilic β-amination of pyridine nuclei

Nagatoshi Nishiwaki, Yutaka Nishida, Eiko Tominaga, Masahiro Ariga

Journal:

Tetrahedron Letters

Year:

2007

Language:

english

File:

PDF, 106 KB

english, 2007

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