bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Electrocatalytic Behavior of Ion‐Beam Mixed Ni‐Pd Surface Alloys for the Hydrogen Evolution Reaction in KOH.
Authors: AKANO U. G. , SMELTZER W. W. , THOMPSON D. A. , DAVIES J. A. 
Published: May 2016

AbstractNi‐Pd surface alloys containig 55‐90 at.% Pd are produced by subjecting evaporated layers of Ni and Pd on Ni substrates to 120 keV Ar+ ion bombardment and the alloy composition vs.
ChemInform Abstract: Stereoselective Syntheses of Carbon Homologated Vinylsilanes and Desilylated Olefins from α,β‐Epoxy Silanes Using Organolithium and Organolanthanoid Reagents.
Authors: UKAJI Y. , YOSHIDA A. , FUJISAWA T. 
Published: May 2016

AbstractBy treatment with organolithium or organolanthanoid compounds, e.g. (II), α,β‐epoxy silanes, e.g. (I), are alkylated and deoxygenated regio‐ and stereoselectively to give the corresponding vinylsilanes.
ChemInform Abstract: Regioselectivity of 7‐Oxabicyclo(2.2.1)hepta‐2,5‐diene ‐ Phenol Rearrangement as a Function of the Acid Promoter. Stereoselective Synthesis of 1,2,3,4‐Tetrahydro‐2‐hydroxynaphthalen‐2‐yl Methyl Ketones.
Authors: ANTONSSON T. , VOGEL P. 
Published: May 2016

AbstractThe 7‐oxabicyclo(2.2.1)heptane (I) reacts with the dienophile (II) in the presence of BF3·Et2O to give the Diels‐Alder cycloaddition product (III) which undergoes a second Diels‐Alder reaction with dehydrobenzene generated in situ from anthranilic acid (IV) to produce the tetrahydronaphthacene derivative (V).
ChemInform Abstract: Synthesis and Properties of the Derivatives of 2‐Alkylthio‐4‐oxo‐3,4‐(and ‐1,4)‐dihydropyrido(2,3‐d)pyrimidine‐5‐(and ‐6)‐carboxylic Acids.
Authors: SLADOWSKA H. , BARTOSZKO‐MALIK A. , ZAWISZA T. 
Published: May 2016

AbstractDiethyl 2‐amino‐6‐methylpyridine‐3,4‐dicarboxylate (I) is cyclized with the isothiocyanates (II) to yield the thioxopyrido(2,3‐d)pyrimidinecarboxylates (III).
ChemInform Abstract: In situ Doping of Silicon Films Prepared by Low Pressure Chemical Vapor Deposition Using Disilane and Phosphine.
Authors: MADSEN L. D. , WEAVER L. 
Published: May 2016

AbstractThe effects of temp., pressure, flow, and gas ratio on the electrical properties and morphology of in situ doped Si‐films prepared by LPCVD using Si2H6 and PH3 are studied in order to optimize the deposition conditions.
ChemInform Abstract: Crystallized Melt Spun Sm(Fe10‐xCox)11Ti Alloys with (BH)max Products Larger than 90 kJ m‐3 (11.3 MGOe).
Authors: DING J. , ROSENBERG M. 
Published: May 2016

AbstractThe influence of the melt spinning and annealing conditions on the magnetic properties of Sm(Fe10‐xCox)11Ti alloys is studied for compositions with x = 0.5, 1, 1.5, and 2. Annealing of the amorphous melt‐spun alloys at 800‐850 °C yields crystallized samples with coercivities of 0.5‐0.6 T, relatively high magnetization values, and a better rectangularity of the hysteresis loops.
ChemInform Abstract: The β‐Manganese Type: High Pressure Synthesis and Structure Refinement of AlAu4.
Authors: BUECHLER H. + , RANGE K.‐J. 
Published: May 2016

AbstractAlAu4 is prepared by reaction of the elements at 2 kbar and 1200 °C (modified Belt‐type apparatus, subsequent annealing at 420 °C).
ChemInform Abstract: Competitive Hydrogenation of Benzene and Toluene: Theoretical Study of Their Adsorption on Ruthenium, Rhodium, and Palladium.
Authors: MINOT C. , GALLEZOT P. 
Published: May 2016

AbstractThe MO calculations concerning the selectivity of toluene/benzene adsorption on Ru, Rh, and Pd metal surfaces corroborate the experimental results of hydrogenation on the corresponding catalysts.
ChemInform Abstract: Studies of Alkylheteroaromatic Compounds: New Syntheses of 1,3,4‐Oxadiazole, 1,3,4‐Oxadiazolo(3,2‐a)pyridine, 1,3,4‐Thiadiazole, 1,3,4‐Thiadiazolo(3,2‐a)pyridine, Phthalazine, and Thieno(3,4‐d)pyridazine Derivatives.
Authors: ELNAGDI M. H. , ERIAN A. W. , SADEK K. U. , SELIM M. A. 
Published: May 2016

AbstractSeveral new alkyl heteroaromatic derivatives such as (III), (IX) and (XIII) are prepared.
ChemInform Abstract: Enantioselective Diels‐Alder Additions with New Chiral Lewis Acids Derived from Amino Acids.
Authors: SARTOR D. , SAFFRICH J. , HELMCHEN G. 
Published: May 2016

AbstractThe oxazaborolidine (III) is used as an optically active catalyst in the cycloaddition reaction of cyclopentadiene (IV) with methacrolein (V) or E‐crotonaldehyde (VII), yielding the norbornenecarbaldehydes (V) or (VIII).
ChemInform Abstract: Ethylene Oxidation over Small Silver Crystallites.
Authors: SEYEDMONIR S. R. , PLISCHKE J. K. , VANNICE M. A. , YOUNG H. W. 
Published: May 2016

AbstractThe influence of support (SiO2, η‐Al2O3, TiO2), crystallite size, and ethylene dichloride concentration on the catalytic behavior of Ag particles, which range from 3 to 1000 nm and contain no other promoter is studied.
ChemInform Abstract: Conjugate Addition of Lithium Diorganocuprate Reagents to the Enol Tosylate of a 1,2‐Diketone.
Authors: CHARONNAT J. A. , MITCHELL A. L. , KEOGH B. P. 
Published: May 2016

AbstractThe enol ether (I) reacts with lithium dimethylcuprate (II) to give the stereoisomeric adducts (III) and (IV).
ChemInform Abstract: Synthesis of Ethyl/Isopropyl/3‐Phenoxybenzyl/α‐Cyano‐3‐phenoxybenzyl (.+‐.)‐cis‐ and (.+‐.)‐trans‐2‐Alkyl/Aryl‐4‐oxo/hydroxy/acetoxy‐spiro(2,5)octane and ‐spiro(2,4)heptane‐1‐carboxylates.
Authors: ARBALE A. A. , NAIK R. H. , KULKARNI G. H. 
Published: May 2016

AbstractTen title esters are prepared and subsequently converted into hydroxy and acetate esters.
ChemInform Abstract: Benzotriazole‐Mediated Synthesis of Methylenebisanilines.
Authors: KATRITZKY A. R. , LAN X. , LAM J. N. 
Published: May 2016

AbstractAnilines such as (I) are coupled with the benzotriazole (II) and formaldehyde (III) to produce the aminals (IV) which are rearranged under acidic conditions to give the symmetric methylenebisanilines (V).
ChemInform Abstract: Studies on the Biosynthesis of Clavulanic Acid. Part 5. Absolute Stereochemistry of Proclavaminic Acid, the Monocyclic Biosynthetic Precursor of Clavulanic Acid.
Authors: BAGGALEY K. H. , ELSON S. W. , NICHOLSON N. H. , SIME J. T. 
Published: May 2016

AbstractIn order to determine the absolute stereochemistry of proclavaminic acid, all four possible stereoisomers are prepared from (IVa) and (IVb).
ChemInform Abstract: Enzyme‐Catalyzed Asymmetrization of Bis(hydroxymethyl)tetrahydrofurans.
Authors: ESTERMANN H. , PRASAD K. , SHAPIRO M. J. , REPIC O. , HARDTMANN G. E. , BOLSTERLI J. J. , WALKINSHAW M. D. 
Published: May 2016

AbstractVarious enzymes are tested in the selective hydrolysis of the bis(butyryloxymethyl)tetrahydrofurans (I).
ChemInform Abstract: Ring‐Strain Effects on the Efficiencies and Deuterium Effects on the Efficiencies and Regioselectivities of the Di‐π‐methane Rearrangement of Bicyclic Systems.
Authors: HEMETSBERGER H. , NISPEL F. 
Published: May 2016

AbstractDeuterated benzobicycloalkenes such as (I) or (IV) yield di‐π‐methane rearrangement products such as (II) + (III) or (V) + (VI) on irradiation under sensitized conditions.
ChemInform Abstract: Mono‐Protected Diamines. Nα‐tert‐Butoxycarbonyl α,ω‐Alkanediamine Hydrochlorides from Amino Alcohols.
Authors: MATTINGLY P. G. 
Published: May 2016

AbstractThe N‐protected amino alcohols (III), prepared from the amino alcohols (I) and Boc2O (II), are converted into the azides (V) by reaction with mesyl chloride and subsequent treatment with sodium azide (IV) in the presence of a phase‐transfer catalyst.
ChemInform Abstract: Regioselective Reductive Alkylation of 3,4,5‐Trimethoxybenzaldehyde Dimethyl Acetal: A New Synthesis of 4‐Alkyl‐3,5‐dimethoxybenzaldehydes and 2,5‐Dialkyl‐1,3‐dimethoxybenzenes.
Authors: AZZENA U. , COSSU S. , DENURRA T. , MELLONI G. , PIRODDI A. M. 
Published: May 2016

AbstractThe trimethoxybenzaldehyde (I) is converted into the acetal (III) by reaction with the orthoformate (II).
ChemInform Abstract: Imidazolides of Acids of Trivalent Phosphorus.
Authors: GRACHEV M. K. , IORISH V. YU. , BEKKER A. R. , NIFANT'EV E. E. 
Published: May 2016

AbstractThe title compounds (III) are prepared by reaction of the phosphorous chlorides (Ia) ‐ (Ic) and the phosphinous chloride (Id) with sodium imidazolide (II).
ChemInform Abstract: Synthesis and Study of the Thermochemical Properties of 1‐p‐ and 3‐p‐Menthene.
Authors: KALECHITS G. V. , LUK'YANOVA V. A. , KOZINA M. P. , GAL'CHENKO G. L. 
Published: May 2016

Abstract1‐p‐Menthene (II) is obtained, together with isomeric p‐menthenes and p‐menthanes, from the dipentene (I) in a coupled hydrogenation‐dehydrogenation reaction, using terpene alcohols such as isoborneol as H‐donor and a Cu/Ni catalyst.
ChemInform Abstract: A New System for Catalytic Enantioselective Reduction of Achiral Ketones to Chiral Alcohols. Synthesis of Chiral α‐Hydroxy Acids.
Authors: COREY E. J. , BAKSHI R. K. 
Published: May 2016

AbstractThe ketones (I) are reduced with catecholborane in the presence of an oxazaborolidine catalyst to form the (R)‐alcohols (II) with high enantioselectivity.
ChemInform Abstract: Stabilization and Activation of Dienolates with Germanium and Tin. Stereo‐ and Regioselective Aldol Reactions, Regioselective Coupling Reactions, and Regioselective Synthesis of Amino Acid Derivatives.
Authors: YAMAMOTO Y. , HATSUYA S. , YAMADA J. 
Published: May 2016

AbstractThe reaction of the dienolates derived from α,β‐unsaturated esters such as (I) with tributylstannyl chloride (II) yields the γ‐stannylated derivative (III) which is coupled with the aldehydes (IV) or with the carbon nucleophiles (VI).
ChemInform Abstract: The Generation and Use of a Masked α‐Acyl Cation in Aromatic Substitution Reactions. Ag+‐Induced Reactions of 3‐(Bromomethyl)‐5,6‐dihydro‐1,4,2‐dioxazine Derivatives.
Authors: SHATZMILLER S. , BERCOVICI S. 
Published: May 2016

AbstractBromination of the alkyldihydrodioxazines (I) with N‐bromosuccinimide in the presence of benzoyl peroxide yields the bromoalkyl derivatives (II) which are substituted to produce the azides (IV) and fluorides (VI).
ChemInform Abstract: The Synthesis of Fused Ring Nitrogen Heterocycles via Regiospecific Intramolecular Heck Reactions.
Authors: GRIGG R. , SRIDHARAN V. , STEVENSON P. , SUKIRTHALINGAM S. , WORAKUN T. 
Published: May 2016

AbstractA series of fused ring systems is prepared via palladium‐catalyzed regiospecific 5‐exo‐ (→ (II)), 6‐endo‐ (→ (IV)) or 6‐exo‐trig (→ (VI), (VII)) cyclization.
ChemInform Abstract: Synthesis and Properties of 6H‐Benzo(hi)pyrrolo(2,1,5‐cd)indolizin‐6‐ones.
Authors: NOGUCHI M. , YAMAMOTO T. , KAJIGAESHI S. 
Published: May 2016

AbstractThe dihydroquinolone (I) is N‐alkylated with the bromo ketones (II) and then cyclized to give the dihydropyrroloquinolinones (IV) which undergo cycloaddition reaction with dimethyl acetylenedicarboxylate (V), forming the benzopyrroloindolizinones (VI) after dehydrogenation.
ChemInform Abstract: Synthesis of 3‐Fluorodiaminopimelic Acid Isomers as Inhibitors of Diaminopimelate Epimerase: Stereocontrolled Enzymatic Elimination of Hydrogen Fluoride.
Authors: GELB M. H. , LIN Y. , PICKARD M. A. , SONG Y. , VEDERAS J. C. 
Published: May 2016

AbstractTwo hydroxylated analogues (III) and (IV) and four fluorinated analogues such as (VIII) and (IX) of diaminopimelic acid are synthesized in stereochemically pure form.
ChemInform Abstract: Amino Acids. Part 8. A Novel Synthesis of γ‐Carboxy‐L‐glutamic Acid from L‐5‐Oxoproline Esters.
Authors: EFFENBERGER F. , MUELLER W. + , KELLER R. , WILD W. , ZIEGLER T. 
Published: May 2016

AbstractN‐Substituted esters of L‐5‐oxoproline, e.g. (I), react with phosgene (II) to give 4‐carboxylated compounds such as (III), which are coupled with alcohols to form the corresponding oxoprolinates, e.g. (V).
ChemInform Abstract: Platina(IV) Cyclobutane Chemistry: Mechanism of the Ring Homologation Reaction.
Authors: HOBERG J. O. , JENNINGS P. W. 
Published: May 2016

AbstractTreatment of (I) or (III) with Zeise's dimer (cat.) produces a solid tetrameric complex having a platina(IV)cyclobutane moiety; reaction of this metallacyclic precipitate with DMSO gives (II) and (IV), respectively.
ChemInform Abstract: Photochemical Oxygenation of Styrene by Pyrimido(5,4‐g)pteridine 10‐Oxide as a Chemcial Mimic of Hemin‐Catalyzed Oxygenation.
Authors: SAKO M. , OHARA S. , HIROTA K. , MAKI Y. 
Published: May 2016

AbstractIrradiation of styrene (I) in the presence of (II) (best results at around 365 nm) for 10 min results in oxygen transfer from excited (II) to (I) via a single electron transfer (SET) process according to (II)* + (I) → (II)·‐/(I)·+ to give deoxygenated pteridine (V) and the oxygenated styrene derivatives (III) and (IV) (quantum yields 0.02 and 0.005, respectively).
ChemInform Abstract: Retrodienic Reactions. Part 24. Flash Vacuum Thermolysis of 2,3‐Dihydro‐1,4‐oxathiin: Synthesis, Photoelectronic Spectroscopy, and Dienophilic Reactivity of Thioxoethanal.
Authors: BOURDON F. , RIPOLL J.‐L. , VALLEE Y. , LACOMBE S. , PFISTER‐GUILLOUZO G. 
Published: May 2016

AbstractFlash vacuum thermolysis of the dihydrooxathiins (I) at 720°C forms the α‐oxo thioaldehydes (II).
ChemInform Abstract: New Short Synthesis of Isoquinoline‐4‐carboxylic Acid and 2‐Aza‐3,3a‐dihydroazulene‐3a‐carboxylic Acid Derivatives.
Authors: WESSJOHANN L. , SKATTEBOEL L. , DE MEIJERE A. 
Published: May 2016

AbstractReaction of benzophenonimine (I) with methyl cyclopropylideneacetate (II) results in cyclization to form the spirodihydroisoquinoline (III).
ChemInform Abstract: Reaction of Compounds Containing a N‐Si Bond with Alkoxyaminomethanes.
Authors: PUDOVIK M. A. , TERENT'EVA S. A. , PUDOVIK A. N. 
Published: May 2016

AbstractMethoxydiethylaminomethane (I) reacts with the silylamines (II) in the presence of BF3 etherate to give the symmetric aminals (III) and the silyl methyl ether (IV).
ChemInform Abstract: Synthesis of Homoleptic Silylphosphido Complexes (M(P(SiMe3)2)(μ‐P(SiMe3)2))2, Where M: Zn, Cd, and Their Use in Metalloorganic Routes to Cd3P2 and MGeP2.
Authors: GOEL S. C. , CHIANG M. Y. , BUHRO W. E. 
Published: May 2016

AbstractThe synthesized title complexes (III) ((IIIa): space group P1, Z=1) appear to be the first homoleptic phosphido complexes of Zn and Cd and the first bis(trimethylsilyl)phosphido complexes in general.
ChemInform Abstract: Conventionally Prepared Submicrometer Lead‐Based Perovskite Powders by Reactive Calcination.
Authors: SHROUT T. R. , PAPET P. , KIM S. , LEE G.‐S. 
Published: May 2016

AbstractHighly reactive powders of Pb‐based perovskites such as PbTiO3, PbZrO3, Pb(Zr0.53Ti0.47)O3 and Pb(Mg0.33Nb0.67)O3 are prepared by reacting the reagent‐grade raw materials (2 PbCO3·Pb(OH)2 or PbO, MgCO3·Mg(OH)2, TiO2, Nb2O5, ZrO2) near the temp. of maximum volumetric expansion.
ChemInform Abstract: Diastereoselective Organocuprate Addition to Homochiral Ketals of 3‐Acetylcyclopent‐2‐en‐1‐one.
Authors: JUNG M. E. , LEW W. 
Published: May 2016

AbstractThe diols (I) react with cyclohexenone (II) or with the bromomethoxycyclohexene (IV) according to different literature‐known methods to give the acetals (III).
ChemInform Abstract: Intramolecular Addition of Alkyllithiums to Acetylenes: Regiospecific 4‐, 5‐, and 6‐exo‐dig Cyclizations.
Authors: BAILEY W. F. , OVASKA T. V. 
Published: May 2016

AbstractThe iodoalkylphenylacetylenes (I), (VI), (X), and (XIV) undergo halogen lithium exchange reaction at low temperatures.
ChemInform Abstract: Photochemistry of Irgasan‐Triflate: A Simple Conversion of an Aromatic Hydroxyl Group to Chlorine in the Synthesis of Polychlorinated Diphenyl Ethers and Polychlorinated Dibenzofurans.
Authors: CHANG Y.‐S. , JANG J.‐S. , DEINZER M. L. 
Published: May 2016

AbstractSeveral chlorophenoxy phenols, e.g. (I), are converted to their triflates, e.g. (III), (VI), which undergo triplet‐sensitized photolytic cyclizations in acetone to give chlorodibenzofurans, e.g. (IV), or singlet state substitution reaction in CCl4 saturated with Cl2 gas to give the corresponding chlorine substituted diphenyl ethers, e.g. (V), (VII).
ChemInform Abstract: 10‐Methylacridine Dimer Acting as a Unique Two‐Electron Donor in the One‐Electron Reduction of Triphenylmethyl Cation.
Authors: FUKUZUMI S. , KITANO T. , ISHIKAWA M. 
Published: May 2016

AbstractIn contrast to the monomer, i.e. 9,10‐dihydro‐10‐methylacridine, which acts as a normal hydride donor toward (II), the dimer (I) acts as a pure two‐electron donor yielding the triphenylmethyl radical.
ChemInform Abstract: Cyclohexenyl Transfer: Synthesis of Cyclohexenyl‐Substituted Homoallylic Alcohols via a Tin(IV) Diethyl Tartrate Complex.
Authors: YADAV V. K. 
Published: May 2016

Abstract(+)‐Diethyl tartrate (R,R)‐(I) is consecutively treated with sodium hydride (II), tin dichloride (III), and 3‐bromocyclohexene (IV) to generate the tin(IV) complex (V) mentioned in the title.
ChemInform Abstract: Preparation of 2‐Methoxy‐3,4‐methylenedioxybenzaldehyde (Croweacin Aldehyde) from Pyrogallol.
Authors: SHIRASAKA T. , TAKUMA Y. , IMAKI N. 
Published: May 2016

AbstractPyrogallol (I) is selectively monomethylated to give (III).
ChemInform Abstract: Synthesis of 1‐Aryl‐3‐methyl‐but‐2‐en‐1‐ones Intermediates for the Synthesis of Chromanone Derivatives.
Authors: VIJAYALAKSHMI C. S. , SUBRAMANIAN M. , PRASAD K. J. R. 
Published: May 2016

AbstractReaction of the polyphenols (I), (VI) and (X) with the chloride (II) gives the corresponding title compounds, among them the hitherto unknown products (IV), (V), (VII), (VIII) and (XI).
ChemInform Abstract: Tetrazolo(1,5‐a)pyridines and Furazano(4,5‐b)pyridine 1‐Oxides.
Authors: LOWE‐MA C. K. , NISSAN R. A. , WILSON W. S. 
Published: May 2016

AbstractThe reaction of the 3‐nitro‐2‐chloropyridines (I) with sodium azide yields the tetrazolopyridines (IV) via the 2‐azidopyridines (III).
ChemInform Abstract: Nonenzymatic Synthesis and Properties of 5‐Aminoimidazole Ribonucleotide (AIR). Synthesis of Specifically 15N‐Labeled 5‐Aminoimidazole Ribonucleoside (AIRs) Derivatives.
Authors: BHAT B. , GROZIAK M. P. , LEONARD N. J. 
Published: May 2016

AbstractThe chemical synthesis of 5‐aminoimidazole ribonucleotide (AIR) (III) from the ribonucleoside (AIRs) (I) is described; the former is the precursor of the purine ribonucleotides in vivo in both prokaryotic and eukaryotic systems as well as the biosynthetic precursor of the pyrimidine portion of vitamin B1 in certain prokaryotic organisms.
ChemInform Abstract: Jahn‐Teller Effect and Crystal Structure Distortion of the Copper Fluoro Perovskites NaCuF3 and RbCuF3.
Authors: KAISER V. , OTTO M. , BINDER F. , BABEL D. 
Published: May 2016

AbstractSingle crystals of NaCuF3 and RbCuF3, obtained by solid‐state reaction from the binary fluorides, belong to the triclinic space group P1, Z=4 and to the tetragonal space group I4/mcm, Z=4, respectively.
ChemInform Abstract: A Convenient and Facile Synthesis of Fluorine‐Containing 1H‐, 2H‐Benz‐(g)indazoles, and Naphthisoxazoles by Aromatic Nucleophilic N‐N Exchange Reaction of N,N‐Dimethyl‐2,4‐bis(trifluoroacetyl)‐1‐naphthylamine with Hydrazines and Hydroxylamine.
Authors: HOJO M. , MASUDA R. , OKADA E. 
Published: May 2016

AbstractThe bis(trifluoroacetyl)‐1‐naphthylamine (I) undergoes an aromatic nucleophilic N‐N exchange reaction with hydrazines such as (II) followed by cyclocondensation to yield the benzindazoles (III) and (IV).
ChemInform Abstract: A Simple Route to 2H‐Naphtho(1,2‐c)1,2,3‐triazoles.
Authors: HARTMANN H. , SCHULZE M. , GUENTHER R. + 
Published: May 2016

AbstractThe readily available chloronaphthalenes (I) and (IV) react smoothly with NaN3 (II) in polar, aprotic solvents to yield the title compounds (III) and (V), respectively.
ChemInform Abstract: Diels‐Alder Reactions of Dieno‐Pyranosides. Anomeric vs Allylic Stereoselection.
Authors: GIULIANO R. M. , BUZBY J. H. , MARCOPULOS N. , SPRINGER J. P. 
Published: May 2016

AbstractDiels‐Alder reaction of chiral dienes such as (I), derived from carbohydrates, with dienophiles such as (II) yields cycloadducts such as (III) and (IV).
ChemInform Abstract: Non‐Steroidal Antiinflammatory Agents. Part 2. Synthesis of Novel Pyrazole and Pyrazoline Derivatives of 4(3H)‐Quinazolinone.
Authors: FARGHALY A. M. , CHAABAN I. , KHALIL M. A. , BEHKIT A. A. 
Published: May 2016

AbstractThe 2‐methyl‐3‐arylquinazolinones (I) are coupled with the phenylglyoxals (II) to give the propenones (III).
ChemInform Abstract: Preparation of β‐Silyl α,β‐Unsaturated Esters and 3‐Silylallyl Alcohols.
Authors: LARSON G. L. , SODERQUIST J. A. , RIVERA CLAUDIO M. 
Published: May 2016

AbstractThe acetylsilanes (I) are olefinated by reaction with the α‐lithiated β‐silylcarboxylates (II), forming predominantly the Z‐configurated β‐silylalkenoates (III).
ChemInform Abstract: Enzyme‐Catalyzed Reactions. Part 4. Aldolase‐Catalyzed C‐C Bond Formation for Stereoselective Synthesis of Nitrogen‐Containing Carbohydrates.
Authors: STRAUB A. , EFFENBERGER F. , FISCHER P. 
Published: May 2016

AbstractThe aldol addition reaction of the dihydroxyacetone monophosphate (I) with 3‐azido‐2‐hydroxypropanal (II) is catalyzed by rabbit muscle aldolase and yields stereoselectively the ketose 1‐phosphates isolated as the Ba‐salts (III) and (IV).
ChemInform Abstract: Remarkable Differences in the Reactivity of Echinadiol and Shiromodiol, Biologically Active Epimeric Germacrane Derivatives.
Authors: APPENDINO G. , TETTAMANZI P. , GARIBOLDI P. 
Published: May 2016

AbstractWhereas from echinadiol (III) on acid treatment the secoguaiane (IV) and the guaiane (V) are formed, its epimer shiromodiol (I) gives no skeletal rearrangement under these conditions.
ChemInform Abstract: Preparation of Optically Active 6′‐Fluorocarbocyclic Nucleosides Utilizing an Enantiospecific Enzyme‐Catalyzed Baeyer‐Villiger Type Oxidation.
Authors: LEVITT M. S. , NEWTON R. F. , ROBERTS S. M. , WILLETTS A. J. 
Published: May 2016

AbstractTreatment of the racemic bromofluoronorbornanone (±)‐(I) with microorganisms leads to the formation of the optically active ketone (‐)‐(I) and the dihalo lactone (‐)‐(II) or the dihalonorbornanol (X).
ChemInform Abstract: Chiral Synthesis of Polyketide‐Derived Natural Products. Part 31. Stereoselective Synthesis of Erythronolide A by Extremely Efficient Lactonization Based on Conformational Adjustment and High Activation of Seco‐Acid.
Authors: HIKOTA M. , TONE H. , HORITA K. , YONEMITSU O. 
Published: May 2016

AbstractUsing Yamaguchi's mixed anhydride method under the conditions shown, the seco‐acid (V) can be cyclized very rapidly and with an excellent yield to give the desired lactone (VII).
ChemInform Abstract: Synthesis and Characterization of a SiAlON Glass.
Authors: SATO R. K. , BOLVIN J. , MCMILLAN P. F. 
Published: May 2016

AbstractHomogeneous SiAlON glasses containing up to 1 wt.% nitrogen are prepared via a pressureless method (melting of a powder mixture of SiO2, Al2O3, and amorphous silicon nitride at 1650‐1700 °C using a radio‐frequency generator) with a controlled quench rate (400‐500 °C/min).
ChemInform Abstract: Thermal Stability and Characterization of γ‐Al2O3 Modified with Rare Earths.
Authors: OZAWA M. , KIMURA M. , ISOGAI A. 
Published: May 2016

AbstractModified γ‐Al2O3 samples are prepared by impregnation of the alumina with lanthanoid nitrate solutions followed by drying and heat treatment at 600 °C for 3 h. The surface area is found to increase from 12 m2/g for pure Al2O3 to 40 m2/g for CeO2‐modified Al2O3 and to 51‐59 m2/g for Ln2O3‐modified samples (Ln: Y, La, Nd, Sm, Gd, Dy, Yb).
ChemInform Abstract: Convergent Synthesis of Monodisperse Dendrimers Based Upon 1,3,5‐Trisubstituted Benzenes.
Authors: MILLER T. M. , NEENAN T. X. 
Published: May 2016

AbstractThe highly symmetrical and well soluble title compounds (IX) (10 phenyl rings) and (X) (22 phenyl rings) and their amidic analogues (XI) and (XII) are prepared (no further details or yields given).
ChemInform Abstract: Cyclohepta(b)thiophene Derivatives. Part 3. Dehydrogenation of Cyclohepta(b)thiophenes.
Authors: SEN P. K. , LAHIRI S. 
Published: May 2016

AbstractDehydrogenation of the title compound (IVa) with selenium gives eight compounds; the three major ones are (V), (VI) and (VII).