Naomichi Baba
Kyoto University
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Publication
Featured researches published by Naomichi Baba.
Tetrahedron Letters | 1979
Taketoshi Makino; Tetsuji Nunozawa; Naomichi Baba; Jun'ichi Oda; Yuzo Inouye
Abstract Asymmetric reduction of α-ketoester with a chiral dihydronicotinamide was significantly affected by chiral aromatic additives, capable of exerting an attractive interaction with dihydropyridine ring, which was further consolidated through with magnesium.
Bioorganic Chemistry | 1984
Masaki Amano; Naomichi Baba; Jun'ichi Oda; Yuzo Inouye
Abstract Asymmetric reductions of ethyl benzoylformate were conducted by use of NADH model compounds with C1 or C2 symmetry in the presence of magnesium perchlorate. It was found that NADH model compounds which form 2 : 1 chelation complexes with the magnesium ion showed the dependence of optical yield on the reaction conversion. The stereochemical behaviors of the model compounds were classified into three reaction types on the basis of the component ratio in the chelation complex between the reductants and the magnesium ion.
Agricultural and biological chemistry | 1985
Motoshi Watanabe; Makoto Fushimi; Naomichi Baba; Jun'ichi Oda; Yuzo Inouye
As model compounds for NADH coenzymes, three chiral Hantzsch ester-type dihydro-pyridines were prepared. By their use and 2,6-dimethyl-3,5-dicarbo-( — )-menthoxy-1,4-dihydropyridine that had already been prepared, asymmetric reductions of unactivated prochiral ketones were conducted under the action of alkali metal derivatives at room temperature in a non-polar solvent, and the alcohol product were obtained in a 36~80% chemical yield and 30~60% enantiomeric excess.
Tetrahedron Letters | 1978
Naomichi Baba; Yasuo Matsumura; Toyonari Sugimoto
Agricultural and biological chemistry | 1988
Naomichi Baba; Mitsuo Mimura; Jun Hiratake; Katsuhiro Uchida; Jun'ichi Oda
Agricultural and biological chemistry | 1986
Naomichi Baba; Jun'ichi Oda; Mamoru Kawaguchi
Asymmetric Synthesis | 1983
Yuzo Inouye; Jun'ichi Oda; Naomichi Baba
Angewandte Chemie | 1982
Naomichi Baba; Jun'ichi Oda; Yuzo Inouye
Agricultural and biological chemistry | 1982
Fumitoshi Hoshide; Satoshi Ohi; Naomichi Baba; Jun'ichi Oda; Yuzo Inouye
Israel Journal of Chemistry | 1979
Toyonari Sugimoto; Naomichi Baba