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Dive into the research topics where Nobuo Niikawa is active.

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Featured researches published by Nobuo Niikawa.


Archive | 1999

Sulfoxide compounds and acetone complexes, and a process for producing the same

Masahiko Tsujii; Nobuo Niikawa; Keizo Takayanagi; Shigeharu Nochi


Archive | 1998

Processes for the preparation of pyridine derivatives

Katsuya Tagami; Nobuo Niikawa; Akio Kayano; Hirofumi Kuroda


Chemical & Pharmaceutical Bulletin | 1990

A large-scale synthesis of [MeTyr1, MeArg7, D-Leu8]dynorphin A-(1-8)-NHEt (E-2078) by application of the trifluoroacetic acid-pentamethylbenzene deprotecting procedure in the final stage.

Hiroshi Yoshino; Masahiko Tsujii; Masato Kodama; Keisuke Komeda; Nobuo Niikawa; Takaaki Tanase; Naoki Asakawa; Koichi Nose; Kiyomi Yamatsu


Archive | 1998

Method for producing pyridine compound

Akio Kayano; Hirofumi Kuroda; Nobuo Niikawa; Katsuya Tagami


Archive | 1999

Sulfoxidderivate und Acetonkomplexe und Verfahren zu ihrer Herstellung

Nobuo Niikawa; Shigeharu Nochi; Keizo Takayanagi; Masahiko Tsujii


Archive | 1999

Sulfoxydes et complexes acétoniques et procédé de préparation

Nobuo Niikawa; Shigeharu Nochi; Keizo Takayanagi; Masahiko Tsujii


Archive | 1999

Sulfoxide and acetone complexes and methods for their preparation

Masahiko Tsujii; Nobuo Niikawa; Keizo Takayanagi; Shigeharu Nochi


Archive | 1999

Sulfoxidderivate und Acetonkomplexe und Verfahren zu ihrer Herstellung Sulfoxide and acetone complexes and methods for their preparation

Nobuo Niikawa; Shigeharu Nochi; Keizo Takayanagi; Masahiko Tsujii


Archive | 1998

Verfahren zur Herstellung von Pyridinderivaten Process for the preparation of pyridine derivatives

Akio Kayano; Hirofumi Kuroda; Nobuo Niikawa; Katsuya Tagami


Archive | 1998

A process for preparing pyridine derivatives

Akio Kayano; Hirofumi Kuroda; Nobuo Niikawa; Katsuya Tagami

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