Zobrazeno 1 - 10
of 19
pro vyhledávání: '"De-Shui Lv"'
Publikováno v:
Journal of Molecular Catalysis B: Enzymatic. 73:85-89
Acylases have shown several promiscuities towards non-natural substrates. For example, acylases have been proved to be able to catalyze Markovnikov addition of N -heterocycles to vinyl esters recently. Some interesting and unexplainable observations
Publikováno v:
Carbohydrate Polymers. 85:786-791
The molecular weight, degree of deacetylation and the acetic acid concentration of chitosan solutions were modulated to change the structures and properties of the chitosan membranes, including chemical structures, ionic conductivity and hydrophobici
Publikováno v:
Tetrahedron. 65:2531-2536
Regioselective Michael addition of purine derivatives to α,β-unsaturated carbonyl compounds could be catalyzed by d -aminoacylase amano (DA) in DMSO. The influence of reaction conditions on the Michael addition, including solvent, temperature, and
Publikováno v:
Advanced Synthesis & Catalysis. 350:1959-1962
A novel enzymatic, promiscuous protocol for Candida antarctica lipase B (CAL-B)-catalyzed carbon-sulfur bond addition is described. Some control experiments have been designed to demonstrate the catalytic specificity of CAL-B. Selectivity between ant
Publikováno v:
Enzyme and Microbial Technology. 42:601-607
The efficient enzymatic synthesis of amoxicillin using anhydrous tert -pentanol as a novel media has been demonstrated for the first time. p -OH-Phenylglycine methyl ester (HPGM) was selected as the activated acyl donor due to its good solubility in
Publikováno v:
Macromolecular Chemistry and Physics. 209:175-183
A mathematical expression describing the growth regime of multilayers formed layer by layer and the correlation between the nature of the growth process and the distribution of the charges in the polyelectrolyte deposited on the surface of the film i
Publikováno v:
Synthesis. 2007:2653-2659
N-Methylimidazole has been shown to be a promising catalyst for aza-Michael reactions. Various N-heterocycles were introduced to α,β-unsaturated carbonyl compounds employing N-methylimidazole (0.05 equiv) in a highly efficient, rapid and high y
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 46:117-126
To develop designed polymer–drug conjugates, where the rate of drug liberation and hepatoma cell targeting function could be rationally and widely controlled, we facilely synthesized a series of novel, galactose-functionalized polymer–acyclovir c
Publikováno v:
Bioorganic & Medicinal Chemistry. 14:3377-3382
A facile control of the acylation position at the primary hydroxyl and amino of acyclovir, respectively, was achieved and five polymerizable acyclovir prodrugs were synthesized. Various reaction conditions were studied in detail. Thus, lipase acrylic
Publikováno v:
Advanced Synthesis & Catalysis. 348:487-492
Three acylases, including D-aminoacylase from Escherichia coli, acylase "Amano" from Aspergillus oryzae and immobilized penicillin G acylase from Escherichia coli have been found to possess novel activity to catalyze the Markovnikov addition reaction