Katsuyuki Kurumaya

A facile synthesis of δ‐aminolevulinic acid (ALA) regioselectively labeled with ¹³C and direct observation of enzymatic transformation from ALA to porphobilinogen (PBG)

Katsuyuki Kurumaya, Takeo Okazaki, Nobuo Seido et al. · Journal of Labelled Compounds and Radiopharmaceuticals · 1989 · 33 citations

Timing and mechanistic implications of regiospecific carbonyl oxygen isotope exchange during vitamin B12 biosynthesis

A. Ian Scott, Neal J. Stolowich, Barbara P. Atshaves et al. · Journal of the American Chemical Society · 1991 · 30 citations

Altmetric Attention Score, Secondary Metabolite, Oxygen Isotope +21

Wittig-horner reaction of a phosphonate of reissert analogue a new method for introduction of alkyl groups into isoquinoline

Kin‐ya Akiba, Yoshio Negishi, Katsuyuki Kurumaya et al. · Tetrahedron Letters · 1981 · 18 citations

Medicinal Chemistry, Enantioselective Synthesis, Alkyl Groups +10

Proton nuclear magnetic resonance(1H-NMR) signal assignment of vitamin B12 based on normal two-dimensional NMR and feeding experiments.

Katsuyuki Kurumaya, Masahiro Kajiwara · Chemical and Pharmaceutical Bulletin · 1989 · 16 citations · Full text

Nutrition, Magnetic Resonance, Molecular Biology +19

Studies on the biosynthesis of corrinoids and porphyrinoids. IV. Biosynthesis of chlorophyll in Euglena gracilis.

Takeo Okazaki, Katsuyuki Kurumaya, Yoko SAGAE et al. · Chemical and Pharmaceutical Bulletin · 1990 · 11 citations · Full text

Plant Physiology, Botany, Molecular Biology +18