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Tetrahedron Letters | 1990

Aminoaldehyde-ene reaction: Stereoselective route to β-amino alcohols☆

Mikami Koichi; Kaneko Masami; Loh Teck-Peng; Terada Masahiro; Nakai Takeshi

Abstract The Lewis acid-promoted ene reactions with α-amino aldehydes as enophiles have been developed and shown to attain high level of syn-diastereofacial control, by the judicious choice of the amino-protecting group and the Lewis acid employed. The aldol-type reactions of ketene silyl acetals with α-amino aldehydes have also been developed to afford high level of either syn- or anti-diastereofacial control.


Archive | 1990

STEROID DERIVATIVE AND PRODUCTION THEREOF

Nakai Takeshi; Mikami Koichi


Archive | 1990

PRODUCTION OF OPTICALLY ACTIVE ALPHA-HYDROXY-CARBOXYLIC ACID ESTER

Mikami Koichi; Terada Masahiro; Nakai Takeshi; Sayo Noboru; Kumobayashi Hidenori


Archive | 1995

PRODUCTION OF OPTICALLY ACTIVE ALCOHOL BY ASYMMETRIC HYDROSILYLATION OF KETONE

Nakai Takeshi; Sayo Noboru


Archive | 1992

TETRAHYDROFURAN DERIVATIVE AND ITS PRODUCTION

Mikami Koichi; Nakai Takeshi; Matsueda Hiroyuki; Sato Hisao; Kurosumi Akira


Archive | 1992

PRODUCTION OF OPTICALLY ACTIVE DIHYDROPYRAN DERIVATIVE

Mikami Koichi; Terada Masahiro; Nakai Takeshi; Sayo Noboru


Archive | 1991

NEW PRODUCTION OF DEHYDROESTRONE DERIVATIVE

Mikami Koichi; Takahashi Kazuhiko; Nakai Takeshi


Archive | 1995

Verfahren zur Herstellung optisch aktiver Dihydropyranderivate.

Mikami Koichi; Terada Masahiro; Nakai Takeshi; Sayo Noboru


Archive | 1989

Katalytisches Verfahren zur Herstellung von optisch-aktiven Alpha-Hydroxycarboxylaten.

Mikami Koichi; Terada Masahiro; Nakai Takeshi; Sayo Noboru; Kumobayashi Hidenori


Archive | 1987

STEROID COMPOUND AND PRODUCTION THEREOF

Nakai Takeshi; Mikami Koichi

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Mikami Koichi

Tokyo Institute of Technology

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Sayo Noboru

Takasago International Corporation

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Terada Masahiro

Tokyo Institute of Technology

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Kumobayashi Hidenori

Takasago International Corporation

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Kaneko Masami

Tokyo Institute of Technology

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Loh Teck-Peng

Tokyo Institute of Technology

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