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• W2062080477 startingPage "4703" @default.
• W2062080477 abstract "Poly[(4-carboxyphenyl)acetylene] (poly-1) exhibits an intense induced circular dichroism (ICD) in the UV-visible region upon complexation with excess (R)-1-(1-naphthyl)ethylamine ((R)-2), owing to the formation of a predominantly single-handed helical conformation of the polymer backbone. In the presence of a small amount of (R)-2, poly-1 showed a very weak ICD due to the lack of a single-handed helical conformation. However, we have found that the co-addition of the excess bulky, achiral 1-naphthylmethylamine (5) with a small amount of (R)-2 caused a dramatic increase in the ICD magnitude, comparable to the full ICD induced by excess (R)-2. This indicates that an almost single-handed helix can be induced on poly-1 upon complexation with a small amount of (R)-2 assisted by achiral 5. Furthermore, the induced single-handed helical poly-1 could be successfully memorized by the replacement of (R)-2 and 5 with achiral 2-aminoethanol or n-butylamine." @default.
• W2062080477 created "2016-06-24" @default.
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• W2062080477 date "2004-09-22" @default.
• W2062080477 modified "2023-10-11" @default.
• W2062080477 title "Chiral Amplification in Macromolecular Helicity Assisted by Noncovalent Interaction with Achiral Amines and Memory of the Helical Chirality" @default.
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• W2062080477 doi "https://doi.org/10.1002/chem.200400381" @default.
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• W2062080477 hasPublicationYear "2004" @default.
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