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Volumn 13, Issue 8, 2007, Pages 2377-2385

Dynamic combinatorial libraries based on hydrogen-bonded molecular boxes

Author keywords

Binding selectivity; Combinatorial chemistry; Hydrogen bonds; Molecular capsules; Self assembly

Indexed keywords

COMPLEXATION; ENCAPSULATION; HYDROGEN BONDS; SELF ASSEMBLY;

EID: 34250756602     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200601198     Document Type: Article
Times cited : (23)

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    • Here the amplified receptors are considered in principle as the best binders. Nevertheless, the amplification could be biased by the concentration of guest, see ref. [9]. Other experiments with different concentrations showed similar results. Furthermore, after templation by the guest only homomeric assemblies are formed, thus the libraries are not biased by the experimental conditions otherwise the heteromeric assemblies would be preferred, see ref. [9b].
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    • The signal labeled ■ in Figure 8b clearly comes from the homomeric complex 1a3·(DEB)6·2a 3 as shown by the 1H NMR spectrum of the individual assembly (Figure 8c, Integration of the signals reveals that those labeled with ▲ belong to one complex and those labeled with Δ belong to another complex. The fact that three signals belong to one complex mean that these are heteromeric assemblies that give separate signals for each OHn. The signals labeled with Δ probably belong to complex 1a 2·1c1·(DEB)6· 2a3 when considering that OHn protons closer to calix[4]arene melamine 1a resonate at δ, > 10.0 ppm and the that OHn protons closer to calix[4]arene melamine 1c resonate at δ, < 9.9 ppm. By applying the same reasoning, the signals labeled wit
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    • See the Supporting Information for similar results obtained after addition of 2a to DCL 1a2·1d 1·(DEB)6
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    • m proton and therefore the abundance of this complex could not be determined by the integration of this signal
    • these signals partially overlap
    • n signals is difficult because these signals partially overlap.
    • n signals is difficult because
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    • The amount of 2d weighed was 3.8 equiv, but not all material dissolved in CDC13.
    • The amount of 2d weighed was 3.8 equiv, but not all material dissolved in CDC13.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.