There has been important progress made to overcome these challenges, including the development of enzymes with broader substrate scope and the design of methodology to effectively displace the reaction equilibrium.
We also examined AAL and Lens culinaris agglutinin (LCA), which both recognize α1-6-fucosylated structures, although AAL has a broader substrate scope and also binds fucose in other linkages (Kochibe and Furukawa, 1980; Matsumura et al., 2007; Yu et al., 2012).
Various experiments confirm this prediction, affording a new methodology capable of directly arylating C H bonds at room temperature with a broad substrate scope and in good yields.
Additionally, the combination of simple precursors in multicomponent transformations has the potential for broad substrate scope and high atom efficiency.
An artificial metalloenzyme is compartmentalized and evolved in vivo for olefin metathesis an archetypal organometallic reaction without equivalent in nature; the evolved metathase reveals broad substrate scope and compares favourably with commercial catalysts.
Characterization of the purified enzyme revealed that it has a broad substrate scope and oxidized different compounds including substituted and unsubstituted alicyclic, bicyclic-, aliphatic-ketones, ketones with an aromatic moiety, and sulfides.
The enzyme exhibited a surprisingly broad substrate scope, and a variant from R. erythropolis even lacks enantiospecificity at the C3 position (Dieth et al. 1995; Biellmann 2001).
Notwithstanding the aforementioned examples, we set out to develop a new, user-friendly method for the dehydrogenation of hydrazones that offers a broad substrate scope and a simple purification of the diazo compound.
Aryl alcohol oxidase exhibits a broad substrate scope and accepts phenyl substituted allylic alcohols such as coniferyl and cinnamyl alcohol (Table 3, entries 4 and 5), as well as slim counterparts, such as 2,4-hexadien-1-ol (Table 3, entry 3), which shows that this enzyme does not necessarily need a cyclic structure, but only a conjugated system (Ferreira et al. 2005; Romero et al. 2009).
Their Au(I -catalyzed protocol allows the I -catalyzedar hydroamination of unactivated olefins under milder conditions and with broader substrate scoprotocolwallowsviously realized withelate transintramolecularatalyst systems.
Directed evolution (DE) is a powerful tool for optimizing an enzyme's properties toward a particular objective, such as broader substrate scope, greater thermostability, or increased kcat.
