Kiyotaka Oyama

Synthesis of an aspartame precursor by immobilized thermolysin in an organic solvent

Kiyotaka Oyama, Shigeaki Nishimura, Yuji Nonaka et al. · The Journal of Organic Chemistry · 1981 · 130 citations

Immobilized Thermolysin, Bioorganic Chemistry, Engineering +16

The thermolysin-catalyzed condensation reactions of n-substituted aspartic and glutamic acids with phenylalanine alkyl esters

Yoshikazu Isowa, Muneki Ohmori, Tetsuya Ichikawa et al. · Tetrahedron Letters · 1979 · 118 citations

Engineering, Biochemistry, Glutamic Acids +8

On the mechanism of the action of thermolysin: kinetic study of the thermolysin-catalysed condensation reaction of N-benzyloxycarbonyl-L-aspartic acid with L-phenylalanine methyl ester

Kiyotaka Oyama, Keiichi Kihara, Yuji Nonaka · Journal of the Chemical Society Perkin Transactions 2 · 1981 · 62 citations

Biosynthesis, First Order, Engineering +15

Cyclopropyl substituent effects on acid-catalyzed hydration of alkenes. Correlation by .sigma.+ parameters

Kiyotaka Oyama, Thomas T. Tidwell · Journal of the American Chemical Society · 1976 · 37 citations

Altmetrics, Chemical Engineering, Engineering +15

Spectrophotometric determination of water in organic solvents with solvatochromic dyes

Sadakatsu Kumoi, Kiyotaka Oyama, Tairoku Yano et al. · Talanta · 1970 · 36 citations

Spectrophotometric Determination, Solvent Extraction, Chemical Engineering +7