Y.K. Sawa

C-13 NMR spectra of morphine alkaloids, codeine, thebaine, and sinomenine, and related compounds

Yoshihiro Terui, Kazuo Tori, Shin Maeda et al. · Tetrahedron Letters · 1975 · 31 citations

Medicinal Chemistry, Psychoactive Drug, Biochemistry +10

Elimination of the 4-hydroxyl group of the alkaloids related to morphine—I

Y.K. Sawa, Naoki Tsuji, Shusaku Maeda · Tetrahedron · 1961 · 27 citations

Molecular Pharmacology, Medicinal Chemistry, Psychoactive Drug +11

Transformation of quinine into the indole alkaloids—I

Y.K. Sawa, Hiroyoshi Matsumura · Tetrahedron · 1969 · 23 citations

Pharmacology, Bioorganic Chemistry, Indole Alkaloids—i +1

Elimination of the 4-hydroxyl group of the alkaloids related to morphine—XI

Y.K. Sawa, H. Tada · Tetrahedron · 1968 · 20 citations

Molecular Pharmacology, Medicinal Chemistry, Psychoactive Drug +11

Elimination of the 4-hydroxyl group of the alkaloids related to morphine—II

Y.K. Sawa, Naoki Tsuji, Shusaku Maeda · Tetrahedron · 1961 · 20 citations

Molecular Pharmacology, Medicinal Chemistry, Psychoactive Drug +11