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Dive into the research topics where Nobuhide Wasada is active.

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Featured researches published by Nobuhide Wasada.


Tetrahedron | 1967

A study of santonins and their derivatives by mass spectrometry

Nobuhide Wasada; Toshikazu Tsuchiya; E. Yoshi; E. Watanabe

Abstract Fragmentation patterns of santonins and their derivatives under electron impact have been investigated by th use of high resolution mass spectra and a deuterium labelling technique. The relationship between conformation of santonins and their spectra is discussed.


Tetrahedron | 1967

Pyrolysis of organic compounds—II : The flash pyrolysis of camphor and its related compounds☆

Tetsuya Sato; K. Murata; A. Nishimura; Toshikazu Tsuchiya; Nobuhide Wasada

Abstract Camphor and its related compounds were pyrolyzed at 550–800° for 0·15–0·2 sec under high dilution (partial pressure of 2–3 mm). The mechanisms are discussed by correlating the structures of the fragments to the original structures and by employing a deuterium labeling technique.


Analytical Sciences | 1988

An Integrated Spectral Data Base System Including IR, MS, 1H-NMR, 13C-NMR, ESR and Raman Spectra

Osamu Yamamoto; Kazuo Someno; Nobuhide Wasada; Jiro Hiraishi; Kikuko Hayamizu; Kazutoshi Tanabe; Tadao Tamura; Masaru Yanagisawa


Bulletin of the Chemical Society of Japan | 1976

Studies on 8,9,10,11-tetrahydro-7H-cycloocta(de)naphthalenes. I. Conformations of 8,8,10,10-tetrasubstituted derivatives of 8,9,10,11-tetrahydro-7H-cycloocta(de)naphthalene.

Toshihiro Kamada; Nobuhide Wasada; Osamu Yamamoto


Journal of Mass Spectrometry | 1969

Mass spectrometric studies on gibberellins

Nobutaka Takahashi; Noboru Murofushi; Saburo Tamura; Nobuhide Wasada; Hiroko Hoshino; Toshikazu Tsuchiya; S. Sasaki; Tetsumi Aoyama; Eiji Watanabe


Bulletin of the Chemical Society of Japan | 1973

On the Decomposition of C6H5CO+ Ions Produced from Several Alkyl Phenyl Ketones by Electron Impact

Susumu Tajima; Nobuhide Wasada; Toshikazu Tsuchiya


Synthesis | 1990

A new synthesis of 1,4,5,8-tetramethylnaphthalene

Toshihiro Kamada; Nobuhide Wasada


Bulletin of the Chemical Society of Japan | 1971

An Interpretation of Mass Spectra of Disubstituted Benzenes by Simple LCAO MO Calculation. I

Susumu Tajima; Nobuhide Wasada; Toshikazu Tsuchiya


Tetrahedron Letters | 1968

Isolation of3β-hydroxy-4β-hydroxymethylfusida-17(20)(16,21-cis), 24-diene

Shigenobu Okuda; Yoshihiro Sato; Tetsuyasu Hattori; Hidenori Igarashi; Toshikazu Tsuchiya; Nobuhide Wasada


Bulletin of the Chemical Society of Japan | 1964

An Application and Modification of the Freeze-out Technique by Quiram and Biller for the Determination of Pollutants in the Atmosphere by Mass Spectrometry

Hiroko Hoshino; Nobuhide Wasada; Toshikazu Tsuchiya

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Toshikazu Tsuchiya

Industrial Research Institute

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Susumu Tajima

Industrial Research Institute

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Hiroko Hoshino

Industrial Research Institute

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Osamu Yamamoto

Kanagawa Institute of Technology

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Kikuko Hayamizu

National Institute of Advanced Industrial Science and Technology

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