delta-valerolactone

oxan-2-one pentano-1,5-lactone pentanoic acid, 5-hydroxy-, d-lactone d- pentanolactone 2H- pyran-2-one, tetrahydro- tetrahydro-2-pyranone tetrahydro-2H-pyran-2-one 3H-4,5,6- trihydropyran-2-one valeric acid, d-hydroxy-, d-lactone d- valerolactone delta- valeryl lactone d- valeryllactone Google Patents: Process for preparing delta-valerolactone in the gas phase PubMed: [Studies on chemical constituents of Ranunculus ternatus]. PubMed: High activity of an indium alkoxide complex toward ring opening polymerization of cyclic esters. PubMed: Star/linear polymer topology transformation facilitated by mechanical linking of polymer chains. PubMed: N-Heterocyclic Carbene-Catalyzed Ring Opening Polymerization of ε-Caprolactone with and without Alcohol Initiators: Insights from Theory and Experiment. PubMed: Role of hydrophilicity and length of diblock arms for determining star polymer physical properties. PubMed: In situ gelling polyvalerolactone-based thermosensitive hydrogel for sustained drug delivery. PubMed: Scalable production of mechanically tunable block polymers from sugar. PubMed: Tensile behavior and dynamic mechanical analysis of novel poly(lactide/δ-valerolactone) statistical copolymers. PubMed: Experimental and computational studies on the mechanism of zwitterionic ring-opening polymerization of δ-valerolactone with N-heterocyclic carbenes. PubMed: Folic acid conjugated δ-valerolactone-poly(ethylene glycol) based triblock copolymer as a promising carrier for targeted doxorubicin delivery. PubMed: Abnormal N-heterocyclic carbene main group organometallic chemistry: a debut to the homogeneous catalysis. PubMed: New mechanism for the ring-opening polymerization of lactones? Uranyl aryloxide-induced intermolecular catalysis. PubMed: Mechanisms of lactone hydrolysis in neutral and alkaline conditions. PubMed: Mechanisms of lactone hydrolysis in acidic conditions. PubMed: Photoswitchable NHC-promoted ring-opening polymerizations. PubMed: Drug-Initiated, Controlled Ring-Opening Polymerization for the Synthesis of Polymer-Drug Conjugates. PubMed: Conformational analysis of δ-lactones by DFT calculations: the parent compound and its monomethyl and selected dimethyl derivatives. PubMed: Triarylsulfonium hexafluorophosphate salts as photoactivated acidic catalysts for ring-opening polymerisation. PubMed: Direct catalytic asymmetric addition of allylic cyanides to aldehydes for expeditious access to enantioenriched unsaturated δ-valerolactones. PubMed: Biocatalytic synthesis of poly(δ-valerolactone) using a thermophilic esterase from archaeoglobus fulgidus as catalyst. PubMed: Palladium-catalyzed synthesis of 4-oxaspiro[2.4]heptanes via central attack of oxygen nucleophiles to π-allylpalladium intermediates. PubMed: Nanoaggregates of biodegradable amphiphilic random polycations for delivering water-insoluble drugs. PubMed: Novel biodegradable, biomimetic and functionalised polymer scaffolds to prevent expansion of post-infarct left ventricular remodelling. PubMed: Introduction of abnormal N-heterocyclic carbene as an efficient organocatalyst: ring opening polymerization of cyclic esters. PubMed: Evaluation of triblock copolymeric micelles of δ- valerolactone and poly (ethylene glycol) as a competent vector for doxorubicin delivery against cancer. PubMed: Pseudomonas putida esterase contains a GGG(A)X-motif confering activity for the kinetic resolution of tertiary alcohols. PubMed: Biodegradable polyurethane ureas with variable polyester or polycarbonate soft segments: effects of crystallinity, molecular weight, and composition on mechanical properties. PubMed: Artificial molecular clamp: a novel device for synthetic polymerases. PubMed: Ring-opening polymerization of cyclic esters and trimethylene carbonate catalyzed by aluminum half-salen complexes. PubMed: Synthesis, analytical features, and biological relevance of 5-(3',4'-dihydroxyphenyl)-γ-valerolactone, a microbial metabolite derived from the catabolism of dietary flavan-3-ols. PubMed: Ring openings of lactone and ring contractions of lactide by frustrated Lewis pairs. PubMed: Stereoselective rearrangement of guaianolides to tricyclic δ-valerolactones. PubMed: Molecular and electronic structure of δ-valerothiolactone. PubMed: Preparation of enzymatically recyclable hydrogels through the formation of inclusion complexes of amylose in a vine-twining polymerization. PubMed: Palladium-catalyzed decarboxylative [4 + 3] cyclization of gamma-methylidene-delta-valerolactones with 1,1-dicyanocyclopropanes. PubMed: Geometry dependence of the ring-opening E2 reaction in lactones. PubMed: Stereoselective synthesis of spirooxindoles by palladium-catalyzed decarboxylative cyclization of gamma-methylidene-delta-valerolactones with isatins. PubMed: Thermodynamic control of the polymerizability of five-, six-, and seven-membered lactones. PubMed: Switching of polymerization activity of cinnamoyl-alpha-cyclodextrin. PubMed: Nanospheres with polymerization ability coated by polyrotaxane. PubMed: Diastereoselective preparation of substituted delta-valerolactones. synthesis of (3R,4S)- and (3R,4R)-simplactones. PubMed: Stereoselective synthesis of nipecotic acid derivatives via palladium-catalyzed decarboxylative cyclization of gamma-methylidene-delta-valerolactones with imines. PubMed: [Studies on chemical constituents of Ranunculus ternatus]. PubMed: Plasmon microscopy and imaging ellipsometry of Artrobacter oxydans attached on polymer films. PubMed: Approach to formation of multifunctional polyester particles in controlled nanoscopic dimensions. PubMed: Why delta-valerolactone polymerizes and gamma-butyrolactone does not. PubMed: An artificial molecular chaperone: poly-pseudo-rotaxane with an extensible axle. PubMed: Enzymatic synthesis of poly(hydroxyalkanoates) in ionic liquids. PubMed: X-ray investigations of bicyclic alpha-methylene-delta-valerolactones. V. (4aS,7R,8aR)-7-isopropenyl-4a-methyl-3-methyleneperhydrochromen-2-one. PubMed: Thermal degradation of environmentally degradable poly(hydroxyalkanoic acid)s. PubMed: Synthesis of trimethoxy- or triethoxysilane-endcapped polylactones via a bismuth(III)hexanoate-catalyzed one-pot-procedure. PubMed: The effect of carbonyl substitution on the strain energy of small ring compounds and their six-member ring reference compounds. PubMed: Epidermal growth factor-conjugated poly(ethylene glycol)-block- poly(delta-valerolactone) copolymer micelles for targeted delivery of chemotherapeutics. PubMed: Degradation and controlled release behavior of epsilon-caprolactone copolymers in biodegradable antifouling coatings. PubMed: Methoxy poly(ethylene glycol)-block-poly(delta-valerolactone) copolymer micelles for formulation of hydrophobic drugs. PubMed: Characterization of pegylated copolymeric micelles and in vivo pharmacokinetics and biodistribution studies. PubMed: New biodegradable amphiphilic block copolymers of epsilon-caprolactone and delta-valerolactone catalyzed by novel aluminum metal complexes. II. Micellization and solution to gel transition. PubMed: High affinity, stability, and lactonase activity of serum paraoxonase PON1 anchored on HDL with ApoA-I. PubMed: Comparison of two pegylated copolymeric micelles and their potential as drug carriers. PubMed: A kinetic approach to the alkylating potential of carcinogenic lactones. PubMed: Synthesis and characterization of six-arm star poly(delta-valerolactone)-block-methoxy poly(ethylene glycol) copolymers. PubMed: Antinociceptive effects of some synthetic delta-valerolactones. PubMed: X-ray investigations of bicyclic alpha-methylene-delta-valerolactones. III. trans-(4aR,8aR)-4a-Methoxy-3-methyleneperhydrochromen-2-one. PubMed: PEG- and peptide-grafted aliphatic polyesters by click chemistry. PubMed: A novel formal total synthesis of cephalotaxine. PubMed: Reactivity of lactones and GHB formation. PubMed: A novel approach to biodegradable block copolymers of epsilon-caprolactone and delta-valerolactone catalyzed by new aluminum metal complexes. PubMed: New synthetic approach to cyclopenta-fused heterocycles based upon a mild nazarov reaction. 2. Further studies on the torquoselectivity. PubMed: API-mass spectrometry of polyketides. I. A study on the fragmentation of triketide lactones. PubMed: Highly diastereoselective hydrogenations leading to beta-hydroxy delta-lactones in hydroxy-protected form. A modified view of delta-lactone conformations. PubMed: Recent developments in sonochemical polymerisation. PubMed: Correlation between structure of the lactones and substrate specificity in enzyme-catalyzed polymerization for the synthesis of polyesters. PubMed: Ring-opening iodo- and bromosilation of lactones for the formation of silyl haloalkanoates. PubMed: Conformation-dependent reaction thermochemistry: study of lactones and lactone enolates in the gas phase. PubMed: Ring-opening polymerization of lactones in the presence of hydroxyapatite. PubMed: In vitro degradation and dissolution behaviours of microspheres prepared by three low molecular weight polyesters. PubMed: Unknown bisethylisooctanollactone isomers in industrial waste water. Isolation, identification and occurrence in surface water. PubMed: Development of new dihydropyran linker for solid-phase reaction. PubMed: Comparison of thermal characteristics and degradation properties of epsilon-caprolactone copolymers. PubMed: Screening, nucleotide sequence, and biochemical characterization of an esterase from Pseudomonas fluorescens with high activity towards lactones. PubMed: An evaluation of a new lactic acid polymer drug delivery system: a preliminary report. PubMed: Therapeutic gamma-hydroxybutyric acid monitoring in plasma and urine by gas chromatography-mass spectrometry. PubMed: Structural requirements for the direct and cytochrome P450-dependent reaction of cyclic alpha,beta-unsaturated carbonyl compounds with glutathione: a study with coumarin and related compounds. PubMed: Evaluation of new pasty-type implantable devices consisting of poly(epsilon-caprolactone/delta-valerolactone) and Estracyt or estramustine. PubMed: A new biodegradable copolymer of glycolic acid and lactones with relatively low molecular weight prepared by direct copolycondensation in the absence of catalysts. PubMed: Derivatives of ethynylestradiol with oxygenated 17 alpha-alkyl side chain: synthesis and biological activity. PubMed: Poly(hydroxy acids) in drug delivery. PubMed: Aliphatic polyesters II. The degradation of poly (DL-lactide), poly (epsilon-caprolactone), and their copolymers in vivo. PubMed: Stimulation of hydroxymethylglutaryl-CoA reductase activity after a single dose of the porphyrogenic chemical, allylisopropylacetamide. PubMed: Model studies directed toward the total synthesis of vernolepin. III. Synthesis of the alpha-methylene-delta-valerolactone ab ring model.