Kentaro Okumura

4-Oxo-1,2,3,4-tetrahydroquinazolines. I. Syntheses and pharmacological properties of 2-methyl-3-aryl-4-oxo-1,2,3,4-tetrahydroquinazolines and their 1-acyl derivatives

Kentaro Okumura, Toyonari Oine, Yoshihisa Yamada et al. · Journal of Medicinal Chemistry · 1968 · 88 citations

Heterocyclic, Biochemistry, Donut Icon +15

Synthesis of amino acids and related compounds. 6. New convenient synthesis of .alpha.-C-acylamino acids and .alpha.-amino ketones

Mamoru Suzuki, Tameo Iwasaki, Muneji Miyoshi et al. · The Journal of Organic Chemistry · 1973 · 67 citations

.Alpha.-c-acylamino Acids, Engineering, Amino Acids +9

<i>t</i>-Amyloxycarbonyl as a New Protecting Group in Peptide Synthesis. V. Direct Synthesis of <i>t</i>-Amyloxycarbonyl- and <i>t</i>-Butyloxycarbonyl-amino Acids Using the Respective <i>t</i>-Alkyl Chloroformates

Shumpei Sakakibara, Ichiro Honda, Katsumi Takada et al. · Bulletin of the Chemical Society of Japan · 1969 · 35 citations · Full text

Biosynthesis, Bioorganic Chemistry, Amino Acids +14

Synthetic studies on eritadenine. I. Reactions of some purines with the 2,3-O-protected dihydroxybutyrolactone

Kentaro Okumura, Toyonari Oine, Yoshihisa Yamada et al. · The Journal of Organic Chemistry · 1971 · 25 citations

Bioorganic Chemistry, Biochemistry, Donut Icon +11

Studies on Novobiocin and Related Compounds. VII

Kentaro Okumura, Kokichi Ashino, Tomoharu Okuda · YAKUGAKU ZASSHI · 1961 · 24 citations · Full text

Medicinal Chemistry, Biosynthesis, Bioorganic Chemistry +14