Masatake Niwa

Structure-activity relationships of philanthotoxin analogs and polyamines on N-methyl-D-aspartate and nicotinic acetylcholine receptors.

Nabil A. Anis, Shebl M. Sherby, Robert A. Goodnow et al. · Journal of Pharmacology and Experimental Therapeutics · 1990 · 84 citations

Medicine, Neuroscience, Pharmacology +17

Structure-activity relationships of analogues of the wasp toxin philanthotoxin: non-competitive antagonists of quisqualate receptors

Mary Bruce, R. Bukownik, Amira T. Eldefrawi et al. · Toxicon · 1990 · 64 citations

Medicine, Medicinal Chemistry, Pharmacology +11

Synthesis of glutamate receptor antagonist philanthotoxin-433 (PhTX-433) and its analogs

Robert A. Goodnow, Katsuhiro Konno, Masatake Niwa et al. · Tetrahedron · 1990 · 54 citations · Full text

Medicine, Medicinal Chemistry, Pharmacology +11

Stereostructures of two biflavanones from Stellera chamaejasme L.

Masatake Niwa, SEIKO OTSUJI, Hiroshi Tatematsu et al. · Chemical and Pharmaceutical Bulletin · 1986 · 51 citations · Full text

Life Sciences, Botany, Plant Sciences +9

A CD‐Spectroscopic Alternative to Methylation Analysis of Oligosaccharides: Reference Spectra for Identification of Chromophoric Glycopyranoside Derivatives

William T. Wiesler, Nikolina Berova, Makoto Ojika et al. · Helvetica Chimica Acta · 1990 · 46 citations

Life Sciences, Biochemistry, Carbohydrate Biochemistry +16