書誌事項
- タイトル別名
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- Approaches Toward the Origin of Homochirality Using the Synthetic Organic Chemistry —Asymmetric Autocatalysis with Amplification of Enantiomeric Excess—
- フセイ ノ キゲン カイメイ エ ノ ユウキ ゴウセイ カガクテキ アプローチ : フセイ ゾウフク スル フセイ ジコ ショクバイ ハンノウ
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Asymmetric autocatalysis with amplification of enantiomeric excess is found in the enantioselective addition of diisopropylzinc to pyrimidine-5-carbaldehyde using pyrimidyl alkanol as an asymmetric autocatalyst. Asymmetric autocatalysis has been employed as a method for clarifying the origin of homochirality. Circularly polarized light, quartz and statistical fluctuation of enantiomeric imbalance act as chiral triggers for asymmetric autocatalysis to afford highly enantioenriched products. We have investigated the asymmetric autocatalysis using chiral crystals formed from achiral and racemic compounds as the origins of chirality. Absolute control of the crystal chirality of cytosine was achieved by the removal of crystal water of achiral cytosine monohydrate. Enantioselective carbon-carbon bond formation on the enantiotopic crystal face of aldehyde was established by using the vapor of diisopropylzinc. In addition, asymmetric autocatalysis triggered by chiral compounds arising from H, C and O isotopes substitution has been achieved. Reversal phenomena of enantioselectivity were observed in β-amino alcohol catalyzed dialkylzinc addition to aldehyde by using the mixture of two different β-amino alcohols as chiral ligands.
収録刊行物
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- 有機合成化学協会誌
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有機合成化学協会誌 71 (2), 109-123, 2013
公益社団法人 有機合成化学協会
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詳細情報 詳細情報について
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- CRID
- 1390282680317136640
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- NII論文ID
- 10031148203
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- NII書誌ID
- AN0024521X
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- COI
- 1:CAS:528:DC%2BC3sXjsFGjsrw%3D
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- ISSN
- 18836526
- 00379980
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- NDL書誌ID
- 024278252
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可