The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 1,2-Benzisoxazole, is researched, Molecular C7H5NO, CAS is 271-95-4, about Protoenzymes: the case of hyperbranched polyesters, the main research direction is tertiary amine polyester hydrophobic pocket Kemp elimination reaction; functional polymers; hyperbranched polymers; messy chemistry; origin of life; protoenzyme; synzyme.SDS of cas: 271-95-4.
Enzymes are biopolymeric complexes that catalyze biochem. reactions and shape metabolic pathways. Enzymes usually work with small mol. cofactors that actively participate in reaction mechanisms and complex, usually globular, polymeric structures capable of specific substrate binding, encapsulation and orientation. Moreover, the globular structures of enzymes possess cavities with modulated microenvironments, facilitating the progression of reaction(s). The globular structure is ensured by long folded protein or RNA strands. Synthesis of such elaborate complexes has proven difficult under prebiotically plausible conditions. We explore here that catalysis may have been performed by alternative polymeric structures, namely hyperbranched polymers. Hyperbranched polymers are relatively complex structures that can be synthesized under prebiotically plausible conditions; their globular structure is ensured by virtue of their architecture rather than folding. In this study, we probe the ability of tertiary amine-bearing hyperbranched polyesters to form hydrophobic pockets as a reaction-promoting medium for the Kemp elimination reaction. Our results show that polyesters formed upon reaction between glycerol, triethanolamine and organic acid containing hydrophobic groups, i.e. adipic and methylsuccinic acid, are capable of increasing the rate of Kemp elimination by a factor of up to 3 over monomeric triethanolamine.
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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
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