Masatsugu Higuchi

Novel synthetic route to heterocycles via intramolecular cycloaddition of azalogs of hexatriene. New syntheses of purines and pyrazolo[3,4-d]pyrimidines

Fumio Yoneda, Masatsugu Higuchi, Tomohisa Nagamatsu · Journal of the American Chemical Society · 1974 · 45 citations

Novel Synthetic Route, Engineering, Heterocyclic +11

Characteristics of depression in Parkinson's disease: Evaluating with Zung's Self-Rating Depression Scale

Fumio Kanda, Kenichi Oishi, Kenji Sekiguchi et al. · Parkinsonism & Related Disorders · 2007 · 30 citations

Psychiatry, Mood Symptom, Subcortical Ischemic Depression +11

Unequivocal synthesis of 6-arylpteridines by intramolecular cycloaddition of azahexatrienes

Fumio Yoneda, Masatsugu Higuchi · Journal of the Chemical Society Perkin Transactions 1 · 1977 · 27 citations

Unequivocal Synthesis, 6-Amino- 5- Benzylideneaminopyrimidines, Derivative (Chemistry) +9

A NEW RING TRANSFORMATION OF ISOXAZOLO[3,4-<i>d</i>]PYRIMIDINES INTO PYRIMIDO[4,5-<i>d</i>]PYRIMIDINES

Fumio Yoneda, Tetsumi Yano, Masatsugu Higuchi et al. · Chemistry Letters · 1979 · 21 citations

1,5-Diazahexatriene Intermediates, Bioorganic Chemistry, Engineering +10

Syntheses of heterocycles via intramolecular cycloaddition of azahexatrienes. Photochemical cyclization of 5-arylazo-6-dimethylaminomethyleneamino-1,3-dimethyluracils.

Fumio Yoneda, Masatsugu Higuchi · Chemical and Pharmaceutical Bulletin · 1977 · 15 citations · Full text

Engineering, Heterocyclic, Biochemistry +15