Synthesis of Hg(II) complexes of cysteine-containing oligopeptides.
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概要
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Tetrapeptides, Z–Cys–Ala–Ala–Cys–OMe(Z=benzyloxycarbonyl), Z–Cys–Val–Val–Cys–OMe, and Z–Cys–Gly–Pro–Cys–OMe, having Cys–X–Y–Cys sequences were synthesized by using an acetamidomethyl (Acm) protecting group. The Hg(II) complexes of these peptides, Hg<SUB>2</SUB>Cl<SUB>2</SUB>(Z–Cys–Ala–Ala–Cys–OMe) <B>1</B>. Hg(Z–Cys–Ala–Ala–Cys–OMe) <B>2</B>, Hg<SUB>2</SUB>Cl<SUB>2</SUB>(Z–Cys–Gly–Pro–Cys–OMe) <B>3</B>, Hg(Z–Cys–Val–Val–Cys–OMe) <B>4</B>, and Hg<SUB>2</SUB>Cl<SUB>2</SUB>(Z–Cys-Ala-Cys–OMe) <B>5</B> were synthesized by the reaction of the S(Acm) protecting peptides and HgCl<SUB>2</SUB> in <I>N</I>,<I>N</I>-dimethylformamide. Two Raman bands due to Cl–Hg–S of <B>1</B>, <B>3</B>, or <B>5</B> were observed at 314, 281, or 276 cm<SUP>−1</SUP> in solid, whereas a single band due to S–Hg–S was found at 326 cm<SUP>−1</SUP> for <B>2</B> or 327 cm<SUP>−1</SUP> for <B>4</B>, in solid.
- 公益社団法人 日本化学会の論文
著者
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Ueyama Norikazu
Department Oc Macromolecular Science Faculty Of Science Osaka University
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Nakamura Akira
Department Oc Macromolecular Science Faculty Of Science Osaka University
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Nakata Michio
Department of Macromolecular Science, Faculty of Science, Osaka University
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