methyl acetoacetate

acetoacetic acid methyl ester 3-oxo butanoic acid methyl ester butanoic acid, 3-oxo-, methyl ester 3-oxo- butyric acid methyl ester MAA 1- methoxybutane-1,3-dione methyl 3-oxobutanoate methyl 3-oxobutyrate methyl acetyl acetate methyl acetylacetate methylacetoacetate PubMed: Stereodivergent Synthesis and Relative Stereostructure of the C1-C13 Fragment of Symbiodinolide. PubMed: Presolvated electron reactions with methyl acetoacetate: electron localization, proton-deuteron exchange, and H-atom abstraction. PubMed: NADPH-dependent reductive biotransformation with Escherichia coli and its pfkA deletion mutant: influence on global gene expression and role of oxygen supply. PubMed: Synthesis, characterization, and antimicrobial evaluation of a small library of ferrocene-containing acetoacetates and phenyl analogs: the discovery of a potent anticandidal agent. PubMed: SoxR as a single-cell biosensor for NADPH-consuming enzymes in Escherichia coli. PubMed: Reagent assessment for detection of ammonium ion-molecule complexes. PubMed: Synthesis of small combinatorial libraries of natural products: identification and quantification of new long-chain 3-methyl-2-alkanones from the root essential oil of Inula helenium L. (Asteraceae). PubMed: E versus Z diazeniumdiolation of acetoacetate-derived carbanions. PubMed: Reductive whole-cell biotransformation with Corynebacterium glutamicum: improvement of NADPH generation from glucose by a cyclized pentose phosphate pathway using pfkA and gapA deletion mutants. PubMed: Determination of deoxynivalenol and nivalenol by liquid chromatography and fluorimetric detection with on-line chemical post-column derivatization. PubMed: [HPLC fingerprint analysis of acetoacetate extraction of Polygonum orientale]. PubMed: Chlorine dioxide-iodide-methyl acetoacetate oscillation reaction investigated by UV-vis and online FTIR spectrophotometric method. PubMed: Potential hazards to embryo implantation: A human endometrial in vitro model to identify unwanted antigestagenic actions of chemicals. PubMed: Ionic liquid-based dispersive liquid-liquid microextraction for the determination of formaldehyde in wastewaters and detergents. PubMed: Dimethyl 4-(4-hy-droxy-phen-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxyl-ate. PubMed: Engineering yield and rate of reductive biotransformation in Escherichia coli by partial cyclization of the pentose phosphate pathway and PTS-independent glucose transport. PubMed: A facile four-component sequential protocol in the expedient synthesis of novel 2-aryl-5-methyl-2,3-dihydro-1H-3-pyrazolones in water and their antitubercular evaluation. PubMed: Electrosynthesis of substituted 1H-indoles from o-nitrostyrenes. PubMed: Increased NADPH availability in Escherichia coli: improvement of the product per glucose ratio in reductive whole-cell biotransformation. PubMed: Biomimetic synthesis of hyperolactones. PubMed: Chiral recognition at one-dimensional metal-organic coordination networks initiates the ordering of prochiral catalytic reagent methylacetoacetate on Au{111}. PubMed: Enhancement effect of ethyl-2-methyl acetoacetate on triacylglycerols production by a freshwater microalga, Scenedesmus sp. LX1. PubMed: Propionate analogues of zearalenone bind to Hsp90. PubMed: Biocatalytic production of (S)-4-bromo-3-hydroxybutyrate and structurally related chemicals and their applications. PubMed: Effects of a novel allelochemical ethyl 2-methyl acetoacetate (EMA) on the ultrastructure and pigment composition of cyanobacterium Microcystis aeruginosa. PubMed: Metabolomics for biotransformations: Intracellular redox cofactor analysis and enzyme kinetics offer insight into whole cell processes. PubMed: Fe(ClO4)3 x 6H2O: a mild and efficient catalyst for one-pot three component synthesis of beta-acetamido carbonyl compounds under solvent-free conditions. PubMed: (Z)-4-[4-(Dimethyl-amino)benzyl-idene]-3-methyl-isoxazol-5(4H)-one. PubMed: Tris(methyl 3-oxobutanoato-κO,O')aluminium(III). PubMed: Lowest transition state for the chirality-determining step in Ru((R)-BINAP)-catalyzed asymmetric hydrogenation of methyl-3-oxobutanoate. PubMed: Synthesis and biological evaluation of a phosphonate analog of the natural acetyl cholinesterase inhibitor cyclophostin. PubMed: Investigation of the antioxidant properties of some new 4-hydroxycoumarin derivatives. PubMed: Engineering of NADPH-dependent aldo-keto reductase from Penicillium citrinum by directed evolution to improve thermostability and enantioselectivity. PubMed: Development of novel detection reagent for simple and sensitive determination of trace amounts of formaldehyde and its application to flow injection spectrophotometric analysis. PubMed: [Effects of allelochemical isolated from Phragmites communis on algal membrane permeability]. PubMed: Responses of enzymatic antioxidants and non-enzymatic antioxidants in the cyanobacterium Microcystis aeruginosa to the allelochemical ethyl 2-methyl acetoacetate (EMA) isolated from reed (Phragmites communis). PubMed: Methyl 2-[(E)-(4-nitro-phen-yl)hydrazono]-3-oxobutyrate. PubMed: (Z)-Methyl 3-(4-ethoxy-anilino)but-2-enoate. PubMed: Physiological and biochemical effects of allelochemical ethyl 2-methyl acetoacetate (EMA) on cyanobacterium Microcystis aeruginosa. PubMed: Pechmann reaction promoted by boron trifluoride dihydrate. PubMed: [Effects of allelochemical EMA from reed on the production and release of cyanotoxins in Microcystis aeruginosa]. PubMed: Total synthesis of (+)-acutiphycin. PubMed: [Effects of allelochemical EMA isolated from Phragmites communis on algal cell membrane lipid and ultrastructure]. PubMed: Continuous asymmetric ketone reduction processes with recombinant Escherichia coli. PubMed: Cyclic and acyclic products from the reactions between methyl 3-oxobutanoate and arylhydrazines. PubMed: Synthesis, computational study and cytotoxic activity of new 4-hydroxycoumarin derivatives. PubMed: High production of (2s,3s)-3-hydroxy-2-methylbutanoate by immobilized plant cells of Marchantia polymorpha. PubMed: Probing the effects of microwave irradiation on enzyme-catalysed organic transformations: the case of lipase-catalysed transesterification reactions. PubMed: Total synthesis, molecular editing and evaluation of a tripyrrolic natural product: the case of "butylcycloheptylprodigiosin". PubMed: Dimethyl 4-(4-formyl-phen-yl)-2,6-di-methyl-1,4-dihydro-pyridine-3,5-dicar-boxyl-ate. PubMed: Inhibition of energy metabolism by 2-methylacetoacetate and 2-methyl-3-hydroxybutyrate in cerebral cortex of developing rats. PubMed: Purification and cDNA cloning of NADPH-dependent aldoketoreductase, involved in asymmetric reduction of methyl 4-bromo-3-oxobutyrate, from Penicillium citrinum IFO4631. PubMed: Peroxynitrite-initiated oxidation of acetoacetate and 2-methylacetoacetate esters by oxygen: potential sources of reactive intermediates in keto acidoses. PubMed: Enantioselective reduction of carbonyl compounds by whole-cell biotransformation, combining a formate dehydrogenase and a (R)-specific alcohol dehydrogenase. PubMed: A modular and concise total synthesis of (+/-)-daurichromenic acid and analogues. PubMed: Rapid assembly of the bicyclo[5.3.1]undecenone core of penostatin F: a successive Diels-Alder/Claisen reaction strategy with an efficient stereochemical relay. PubMed: Domino Michael-Aldol reactions on 1,4-diarylbut-2-ene-1,4-diones with methyl acetoacetate furnish methyl 2-aroyl-4- hydroxy-6-oxo-4-arylcyclohexane-1-carboxylate derivatives. PubMed: Ruthenium-catalyzed one-pot double allylation/cycloisomerization of 1,3-dicarbonyl compounds leading to exo-methylenecyclopentanes. PubMed: Catalytic asymmetric Michael reaction of beta-keto esters: effects of the linker heteroatom in linked-BINOL. PubMed: Spectrophotometric and fluorimetric determination of hexamine in pure form and its pharmaceutical formulation. PubMed: A ring-closing metathesis approach toward formal total synthesis of (+)-diplodialide A. PubMed: First total syntheses of the phytotoxins solanapyrones D and E via the domino Michael protocol. PubMed: Synthesis, characterization and evaluation of antituberculosis activity of some hydrazones. PubMed: Reduction of ketones and alkyl iodides by SmI(2) and Sm(II)-HMPA complexes. Rate and mechanistic studies. PubMed: Stereospecific substitution of enantiomerically pure 1-(2-pyridinyl)ethyl methanesulfonate with beta-dicarbony compounds. PubMed: Metal-induced cyclization of thiosemicarbazones derived from beta-keto amides and beta-keto esters: open-chain and cyclized ligands in zinc(II) complexes. PubMed: Characterization of the aromatic profile in aqueous essence and fruit juice of yellow passion fruit (Passiflora edulis Sims F. Flavicarpa degner) by GC-MS and GC/O. PubMed: An unexpected [1,5]-h shift in the synthesis of nitroanilines. PubMed: Application of the Tethered Biginelli Reaction for Enantioselective Synthesis of Batzelladine Alkaloids. Absolute Configuration of the Tricyclic Guanidine Portion of Batzelladine B. PubMed: The first total synthesis of (-)-solanapyrone E based on domino Michael strategy. PubMed: Stereocontrolled reduction of alpha- and beta-keto esters with micro green algae, Chlorella strains. PubMed: 3,3'-Bis(diphenylphosphino)-1,1'-disubstituted-2,2'-biindoles: easily accessible, electron-rich, chiral diphosphine ligands for homogeneous enantioselective hydrogenation of oxoesters PubMed: [Reactions of 4,5-dihydro-4-oxo-1H-pyrido(3,2-b)indol-2-carboxylic acid ester]. PubMed: Asymmetric reduction of ethyl 2-methyl e-oxobutanoate by fungi. PubMed: Asymmetric reduction of ethyl 2-methyl 3-oxobutanoate by Chlorella. PubMed: Convenient Synthesis of N-Benzyl-1,4-dihydropyridines, Cyclohexenones, and Bicyclo[3.3.1]nonan-3-one Derivatives from 1-Aza-1,3-butadienes. PubMed: [A new synthesis of 1,4-dihydropyridines: cyclocondensation of aldimines]. PubMed: An improved direct method for the measurement of urinary delta-aminolevulinic acid. PubMed: Purification and characterization of the NADH-dependent (S)-specific 3-oxobutyryl-CoA reductase from Clostridium tyrobutyricum. PubMed: A kinetic study and application of a novel carbonyl reductase isolated from Rhodococcus erythropolis. PubMed: A novel NADH-dependent carbonyl reductase with an extremely broad substrate range from Candida parapsilosis: purification and characterization. PubMed: Studies of the reductive biotransformation of selected carbonyl compounds by whole cells and extracts of baker's yeast, Saccharomyces carevisiae. PubMed: Synthesis and biological evaluations of some 2-thioxo-1,2,3,4-tetrahydropyrimidine derivatives. PubMed: Synthesis and calcium antagonistic activity of some new 2-thioxo-1,2,3,4-tetrahydropyrimidine derivatives. PubMed: Urinary excretion of 2-methylacetoacetate, 2-methyl-3-hydroxybutyrate and tiglylglycine after isoleucine loading in the diagnosis of 2-methylacetoacetyl-CoA thiolase deficiency. PubMed: High-performance liquid chromatographic method for determining trichothecene mycotoxins by post-column fluorescence derivatization. PubMed: High performance liquid chromatographic procedure for quantitative determination of urinary delta-aminolevulinic acid as indices of lead exposure. PubMed: Hyperketotic states due to inherited defects of ketolysis. PubMed: [Improved method for the determination of urinary delta-aminolevulinic acid in lead workers]. PubMed: Factors affecting determination of delta-aminolevulinate by use of Ehrlich's reagent. PubMed: Stimulation of h efflux and inhibition of photosynthesis by esters of carboxylic acids. PubMed: [Muscle relaxants / 3rd communication: Development of acrylic acid derivatives of potential muscle relaxing activity (author's transl)]. PubMed: Acetoacetyl CoA thiolase deficiency: a cause of severe ketoacidosis in infancy simulating salicylism. PubMed: Synthesis of eicosa-2-trans-8,11,14-all cis-tetraenoic acid-3-14C and DL-3-hydroxy eicosa-8,11,14-all cis-trienoic acid-3-14C.