Results 11 to 20 of about 38,935 (121)

Identification of Pyrazolidine-3-One Derivatives as a Novel Structural Scaffold for ATP Synthase Inhibitors. [PDF]

open access: yesChemMedChem
Following the discovery of oxadiazin‐5‐ones as partial inhibitors of the ATP synthase, we herein report the synthesis of a library of pyrazolidine‐3‐ones and pyrazol‐3‐ones, designed by reducing the six‐membered N–N heterocycles to five‐membered rings.
Reichert L   +8 more
europepmc   +2 more sources

Continuous Spectrophotometric Assay for Defluorinase and Dechlorinase Activities With α-Halocarboxylic Acids. [PDF]

open access: yesMicrob Biotechnol
Microbial hydrolytic defluorinases and dechlorinases assayed by coupling the reaction product to NAD‐linked dehydrogenases will facilitate screening for and characterising new and known enzymes. ABSTRACT Many environmental pollutants have a fluorine or chlorine atom on a carbon atom adjacent to a carboxylic acid.
Ronnander M   +6 more
europepmc   +2 more sources

Hydraulically Fractured Natural-Gas Well Microbial Communities Contain Genomic Halogenation and Dehalogenation Potential

open access: yes, 2019
Organohalides are routinely detected in fluid produced from hydraulically fractured oil and natural-gas wells, yet the origin and fate of these compounds remain largely unknown.
Kelly C. Wrighton (280140)   +6 more
core   +4 more sources

Nonconventional hydrolytic dehalogenation of 1-chlorobutane by dehydrated bacteria in a continuous solid-gas biofilter [PDF]

open access: yes, 2005
Rhodococcus erythropolis NCIMB 13064 and Xanthobacter autotrophicus GJ10 are able to catalyze the conversion of halogenated hydrocarbons to their corresponding alcohols.
Seltana, Amira   +5 more
core   +1 more source

Combination of a UPO-Based Epoxidation With a Subsequent Ring-Opening Reaction for the Synthesis of Amino Alcohols. [PDF]

open access: yesChembiochem
The synthesis of aromatic amino alcohols via a combination of an unspecific peroxygenase‐catalysed reaction, oxyfunctionalization, and addition of selected nucleophiles and electrophiles in a highly atom‐efficient manner was investigated. This study presents the design to aim for an atom‐efficient chemo‐enzymatic synthesis route towards aromatic amino ...
Last S   +3 more
europepmc   +2 more sources

Microbial detoxification of 2,4,6-tribromophenol via a novel process with consecutive oxidative and hydrolytic debromination: Biochemical, genetic and evolutionary characterization

open access: yes, 2022
As a typical brominated flame retardants (BFRs), 2,4,6-tribromophenol (TBP) has serious hazard to the environmental health and its environmental fate has attracted considerable attention.
Hu, Xiaoke   +6 more
core   +1 more source

Regio- and Enantioselective Sequential Dehalogenation of rac-1,3-Dibromobutane by Haloalkane Dehalogenase LinB [PDF]

open access: yes, 2016
The hydrolytic dehalogenation of rac-1,3-dibromobutane catalyzed by the haloalkane dehalogenase LinB from Sphingobium japonicum UT26 proceeds in a sequential fashion: initial formation of intermediate haloalcohols followed by a second hydrolytic step to ...
Zbyněk Prokop   +9 more
core   +1 more source

Biotransformation of Lactones with Methylcyclohexane Ring and Their Biological Activity

open access: yesApplied Sciences, 2016
The aim of the study was to obtain biological active compounds during biotransformation. Three bicyclic halolactones with methylcyclohexane ring (2-chloro-4-methyl-9-oxabicyclo-[4.3.0]nonan-8-one, 2-bromo-4-methyl-9-oxabicyclo[4.3.0]nona- -8-one and 2 ...
Katarzyna Wińska   +7 more
doaj   +1 more source

Lactones with Methylcyclohexane Systems Obtained by Chemical and Microbiological Methods and Their Antimicrobial Activity

open access: yesMolecules, 2015
Eight new lactones (δ-chloro-, δ-bromo- and δ-iodo-γ-lactones), each with a methylcyclohexane ring, were obtained by chemical means from (4-methylcyclohex-2-en-1-yl) acetic acid or (6-methylcyclohex-2-en-1-yl) acetic acid.
Małgorzata Grabarczyk   +5 more
doaj   +1 more source

Bioremediation of halogenated compounds: comparison of dehalogenating bacteria and improvement of catalyst stability [PDF]

open access: yes, 2006
Five bacterial strains were compared for halogenated compounds conversion in aqueous media. Depending on the strain, the optimal temperature for dehalogenase activity of resting cells varied from 30 to 45 degrees C, while optimal pH raised from 8.4 to 9 ...
Legoy, Marie-Dominique   +5 more
core   +1 more source

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