| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain an amino acid compound. <P>SOLUTION: This amino acid compound is represented by general formula (1) (R<SP>1</SP>and R<SP>2</SP>are each an amino-protecting group or one of R<SP>1</SP>and R<SP>2</SP>may be a hydrogen atom; R<SP>3</SP>is an alkyl group which may be substituted or an aralkyl group which may be substituted; two of R<SP>1</SP>, R<SP>2</SP>and R<SP>3</SP>may mutually be bonded to form a cyclic structure; R<SP>4</SP>is an alkyl group which may be substituted or an aryl group which may be substituted; n<SB>1</SB>, n<SB>2</SB>and n<SB>3</SB>are each mutually independently 0 or 1) or its optically active substance compound. <P>COPYRIGHT: (C)2004,JPO</p> |
