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Metal-coordination interactions

Substitution of cyclopropane rings with the alkenyl group permits unique ring transformations based on metal coordination interaction with four -electrons. The transition-metal-induced ring-opening rearrangement also results in the formation of metallacycles. Further elaboration is attained by insertion and reductive elimination. [Pg.111]

Figure 5.21 Orthogonal noncovalent cross-linking as well as functionalization strategy of terpolymer using hydrogen bonding and metal coordination interactions. Figure 5.21 Orthogonal noncovalent cross-linking as well as functionalization strategy of terpolymer using hydrogen bonding and metal coordination interactions.
The major driving force for hpid bilayer formation is hydrophobic interaction. This interaction is much less specific and less directional than the hydrogen bonding and metal coordination interactions that are used in precisely programmed supramolecular assembhes. A simphfied lipid structure is depicted in Fig. 4.18. A lipid molecule consists of a hydrophihc head and... [Pg.89]

ADVANTAGES OF METAL-COORDINATION INTERACTIONS IN MOLECULAR RECOGNITION... [Pg.186]

DESIGN OF MOLECULARLY IMPRINTED POLYMERS BASED ON METAL-COORDINATION INTERACTION... [Pg.187]

The many beneficial features of metal-coordination interaction, combined with the attractiveness of template polymerisation, make these metal-complexing polymeric receptors a class of potentially useful materials. These functional polymers have been investigated for their usefulness in different analytical applications. [Pg.192]

Mosbach et al. also attempted to use metal-coordination interaction to prepare polymeric adsorbents for selective recognition of proteins [27]. Using the monomer (3), they polymerised the protein-monomer complex on methacrylate-derived silica particles in the presence of ribonuclease A as the template protein. After removing the template, the imprinted functionalised silica particles were used as packing... [Pg.196]

Arnold and co-workers proposed a novel and generic approach to prepare mole-cularly imprinted matrices for the selective recognition and binding of proteins [40], They used metal coordination interaction to induce complementary binding... [Pg.284]

Dhal, P.K. Arnold, F.H. Metal-coordination interactions in the template-mediated synthesis of substrate-selective polymers recognition of bis(imidazole) substrates by copper(ii) iminodiacetate containing pol mers. Macromolecules 1992, 25, 7051-7059. [Pg.57]

In Experimental protocol Ml, 4VBC is allowed to react with one equivalent of iminodiacetic acid in alkaline methanol solution, and the product 4-vinylbenzylimi-nodiacetic acid (Ml) is recovered after acidic work-up. This monomer can subsequently be metallated with, e.g., Cu, Co, or Zn to yield a functional monomer that is efficient in metal-coordination interactions. In particular, imidazole may form strong interactions with the metallated form of the monomer. [Pg.204]

The biological self-assemblies inspired the chemists to design molecular recognition-directed supermolecules [3-6]. Multiple hydrogen-bonds between complementary molecular components and metal coordination interactions have been used to design small receptor-guest complexes [3], bulk supramolecular systems such as liquid crystals [7-10], and molecular cocrystals [11-18]. Supramolecular polymers are broadly defined as polymeric arrays of repeating molecular units which are assembled by reversible and directional noncovalent interactions [19,20]. This definition refers to their primary structures, and control on their secondary and ternary structures has not been a critical issue. [Pg.484]

Self-Assembled Capsules Based on Metal Coordination Interactions... [Pg.862]


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