bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Heterocyclic Seven‐Membered Ring Compounds. Part 31. The Photochemical Behavior of Monosubstituted 1‐Benzothiepines.
Authors: HOFMANN H. , DJAFARI H. 
Published: May 2016

AbstractDeuteration of (I) and subsequent enolization and alkylation leads to the selectively C‐4 deuterated (III) (98%).
ChemInform Abstract: Collisional Relaxation of Photoexcited Bromobenzene Ions by Various Neutral Partners.
Authors: AHMED M. S. , DUNBAR R. C. 
Published: May 2016

AbstractWith use of the technique of competitive collisional quenching of two‐photon dissociation, the collisional quenching of photoexcited bromobenzene ions created by 514.5‐nm photon absorption is measured for 35 neutral partners.
ChemInform Abstract: Organic Photochemistry. Part 71. Reaction Path Analysis of Hydrogen Abstraction by the Formaldehyde Triplet State.
Authors: SEVERANCE D. , PANDEY B. , MORRISON H. 
Published: May 2016

AbstractThe fully optimized transition state for hydrogen abstraction from methane by the formaldehyde excited triplet state is determined by using ab initio theory and UHF/3‐21G calculations.
ChemInform Abstract: Aldol‐Equivalent Elaboration of Sterically Hindered Ketones: Methallylmagnesium Chloride as a Synthon for Acetone Enolate.
Authors: BUNNELLE W. H. , RAFFERTY M. A. , HODGES S. L. 
Published: May 2016

AbstractThe sterically hindered or cyclic ketones (I) react with methallylmagnesium chloride (II) to form the alcohols (III) which undergo ozonolysis to yield the ketols (IV).
ChemInform Abstract: Reactions of Electron‐Rich Heterocycles with Orthocarboxylic Acid Derivatives. Part 10. Formylation and Alkylation of Carbazoles with Ambident Dialkoxycarbenium Tetrafluoroborates.
Authors: FLO C. , PINDUR U. 
Published: May 2016

AbstractThe carbenium ion (II) causes formylation or alkylation of the carbazoles (I), (IV), (VI) or (VIII) and leads to the products (III), (V), (VIIa) or (VIIb) and (IX).
ChemInform Abstract: Asymmetric Synthesis of (+)‐Citrinin Using an ortho‐Toluate Carbanion Generated by a Chiral Base.
Authors: REGAN A. C. , STAUNTON J. 
Published: May 2016

AbstractReaction of the carbanion, generated from (II) by treatment with the chiral base (I), with acetone (III) or acetaldehyde (V) yields the lactones (IV) or (VI).
ChemInform Abstract: Syntheses with Nitriles. Part 75. The Reactivity of the Dimers of Malononitrile and Cyanoacetate with Dimethylformamide‐dimethylacetal.
Authors: MITTELBACH M. 
Published: May 2016

AbstractThe title dimers (I) and (IV) react with the acetal (II) to afford the monocondensation products (III) and (V), respectively.
ChemInform Abstract: Studies on Amine Oxide Rearrangement: An Unusual Product from the Reaction of 1‐Phenoxy‐4‐tetrahydroquinolylbut‐2‐yne with m‐Chloroperbenzoic Acid.
Authors: MAJUMDAR K. C. , CHATTOPADHYAY S. K. 
Published: May 2016

AbstractThe tetrahydroquinoline (I) reacts with 1‐chloro‐4‐phenoxybut‐2‐yne (II) to give the N‐alkylated product (III).
ChemInform Abstract: Chemistry of Boron. Part 186. An Allene‐Type Diborylamide Ion.
Authors: NOETH H. + , PRIGGE H. 
Published: May 2016

AbstractDeprotonation of the diborylamine (I) takes place only with Li compound (II) leading to (III); neither Na/K alloy in pentane/ether or refluxing hexane nor KH in refluxing ether/pentane yields any potassium amide.
ChemInform Abstract: Comparing Investigations on the Silicate Constitution in ((Ethyl)n(2‐hydroxyethyl)4‐nammonium) Silicate Solutions with n from 3 to 1 and on the Influence of Alkali Hydroxide.
Authors: SCHLENKRICH F. , RADEMACHER O. , SCHELER H. 
Published: May 2016

AbstractIn ((ethyl)n(2‐hydroxyethyl)4‐nammonium) silicate solutions (n = 3 to 1), free of alkali hydroxides, double three‐ring and double four‐ring silicate anions are found.
ChemInform Abstract: A New Practical Synthesis of Silyl Enol Ethers. Part 2. From α,β‐Unsaturated Aldehydes and Ketones.
Authors: CAZEAU P. , DUBOUDIN F. , MOULINES F. , BABOT O. , DUNOGUES J. 
Published: May 2016

AbstractThe unsaturated carbonyl compounds (Ia) or (Ib) react with the system (III)/(IV)/(V) to give the siloxy dienes (II) or (VI); similarly, the compounds (VII), (VIII) + (IX), (X), or (XI) are obtained from the ketones (Ic)‐(If).
ChemInform Abstract: Reaction of Trimethylsilylpropiolic Acid Derivatives with Some Hydrazines.
Authors: MEDVEDEVA A. S. , DYOMINA M. M. , KALIKHMAN I. D. , KOSITSYNA E. I. , VYAZANKIN N. S. 
Published: May 2016

AbstractEthyl trimethylsilylpropiolate (III) reacts with hydrazine (IV) to give the pyrazolinone (V).
ChemInform Abstract: Synthesis and Structure of a Novel Azaboratitanaindane.
Authors: HESSNER B. , MANNERS I. , PAETZOLD P. 
Published: May 2016

AbstractThe reaction of the thermally generated aryne complex (Ia) with the aminoiminoborane (II) gives the title compound (IIIa) which crystallizes in the space group P212121 with Z=4 with the azaboratitanaindane system as a planar structure unit (X‐ray analysis).
ChemInform Abstract: New Tetrathiocyanato Diamine Chromiates with Tertiary Aliphatic Amines.
Authors: GANESCU I. , BOROS M. , PAPA I. , PREDA M. 
Published: May 2016

AbstractThe three new Reinecke salt like complexes (III) are obtained in a substitution reaction of anhydrous (I) with the corresponding amines (II).
ChemInform Abstract: Mono‐ and Dimetallated Cyclobutenediones with Molybdenum, Tungsten, Manganese, and Rhenium Carbonyls.
Authors: BECK W. , SCHWEIGER M. J. , MUELLER G. + 
Published: May 2016

AbstractThe nucleophilic substitution of chloride in dichlorocyclobutenedione by carbonylmetallates in THF or Et2O gives the complexes (I) or (II) dependent on the stoichiometric ratio of the reactants.
ChemInform Abstract: Transition Metal Substituted Diphosphenes. Part 6. Reactivity of Diphosphenyl Complexes of Iron and Ruthenium Towards Tetracarbonyl Nickel.
Authors: WEBER L. , MEINE G. 
Published: May 2016

AbstractThe diphosphenyl complexes (I) react with an excess of Ni(CO)4 (II) to yield the adducts (III).
ChemInform Abstract: Pentamethylcyclopentadienylrhodaborane Chemistry. Part 2. The Reaction of (6‐(η5‐C5Me5)‐nido‐6‐RhB9H13) with Dimethylphenylphosphine, and the Characterization of (5‐(η5‐C5Me5)‐nido‐5‐RhB9H11‐7‐(PMe2Ph)), (2‐(η5‐C5Me5)‐closo‐2‐RhB9H7‐3,10‐(PMe2Ph)2), and (2‐(η5‐C5Me5)‐nido‐2‐RhB8H10‐5‐(PMe2Ph)) by X‐Ray Diffraction Analysis and Nuclear Magnetic Resonance Spectroscopy.
Authors: FONTAINE X. L. R. , FOWKES H. , GREENWOOD N. N. , KENNEDY J. D. , THORNTON‐PETT M. 
Published: May 2016

AbstractThe title reaction yields the three air‐stable compounds (III)‐(V), which are separated by chromatography.
ChemInform Abstract: Metal Complexes of Two 7‐Oxo‐vic‐triazolo(4,5‐d)pyrimidine Derivatives.
Authors: LOPEZ GARZON R. , GUTIERREZ VALERO D. , VALENZUELA CALAHORRO C. , CRUZ PEREZ N. , GARCIA RODRIGUEZ A. 
Published: May 2016

AbstractThe complexes (I)‐(IV) are prepared by reaction of HgCl2, PdCl2(NaCl), AgCl, or CuSO4 with 6,7‐dihydro‐3(H)‐6‐methyl‐5‐methyloxy(thio)‐7‐oxo‐vic‐triazolo(4.5‐d)pyrimidine in aqueous solution at 50 °C. On the basis of spectroscopic studies (IR, 1H NMR, UV/VIS) and magnetic measurements, the structure of the complexes is discussed and suggested.
ChemInform Abstract: Preparation, Characterization and Some Reactions of (Os3H(X)(CO)9(NMe3)) (X: Cl, Br, or I).
Authors: DITZEL E. J. , HANSON B. E. , JOHNSON B. F. G. , LEWIS J. 
Published: May 2016

AbstractThe clusters (I) react with trimethylamine oxide (II) to produce the trimethylamine complexes (III).
ChemInform Abstract: A New Synthesis of 19‐Norsteroids via 2,4‐Dibromoestrogens.
Authors: NUMAZAWA M. , HOSHI K. , KIMURA K. 
Published: May 2016

AbstractThe 2,4‐dibromoestrogens (I) react with nitric acid to give the 2,4‐dibromo‐10β‐hydroxy‐1,4‐dien‐3‐ones (II) which are hydrogenated, forming the hydroxy ketones (III).
ChemInform Abstract: Determination of the Electron Self‐Exchange Rate of Azurin from Pseudomonas aeruginosa by a Combination of Fast‐Flow/Rapid‐Freeze Experiments and EPR.
Authors: GROENEVELD C. M. , DAHLIN S. , REINHAMMAR B. , CANTERS G. W. 
Published: May 2016

AbstractAt 4 °C, the electron self‐exchange rate of labeled (63Cu)azurin/(65Cu)azurin measured with a new technique mentioned in the title turns out to be (6.1 ±2.6) and (3.2 ±0.7)·105 M‐1 s‐1at pH 5.0 and 9.0, respectively.
ChemInform Abstract: Convenient One‐Pot Esterification of N‐Protected Aminoacids via Isopropenyl Chloroformate Activation.
Authors: JOUIN P. , CASTRO B. , ZEGGAF C. , PANTALONI A. , SENET J. P. , LECOLIER S. , SENNYEY G. 
Published: May 2016

AbstractThe N‐protected amino acids (I) react with the chloroformates (II) to give the mixed anhydrides (III) which are decarboxylated in the presence of dimethylaminopyridine, yielding the esters (IV).
ChemInform Abstract: Fluorinated Carbohydrates as Potential Plasma Membrane Modifiers and Inhibitors. Synthesis of 2‐Acetamido‐2,6‐dideoxy‐6‐fluoro‐D‐galactose.
Authors: SHARMA M. , POTTI G. G. , SIMMONS O. D. , KORYTNYK W. 
Published: May 2016

AbstractStarting with the acetamido‐D‐galactose (I), two procedures yielding the target fluoro compound (IVa) and its derivatives (IVb) and (IVc) are described.
ChemInform Abstract: Stochastic and Deterministic Behaviours of 316 Stainless Steel Pitting Corrosion in Phosphate‐Borate Buffer Containing Sodium Chloride
Authors: SALVAREZZA R. C. , DE CRISTOFARO N. , PALLOTTA C. , ARVIA A. J. 
Published: May 2016

Abstractare observed by potentiodynamic and potentiostatic measurements complemented by SEM.
ChemInform Abstract: Gas Phase Negative Ion Chemistry of 6‐Oxa‐3‐sila‐ and ‐germabicyclo‐(3.1.0)hexanes.
Authors: DAMRAUER R. , WEBER W. P. , MANUEL G. 
Published: May 2016

AbstractIon‐molecule reactions in the gas phase between the epoxide (I) and fluoride ions gives primarily isoprene (III) and the dimethylfluorosilanolate (II).
ChemInform Abstract: Carbanions: Electron Transfer vs. Proton Capture. Part 8. Use of Sterically Protected Aromatic Nitro Compounds as Base‐Resistant, One‐Electron Oxidants.
Authors: GUTHRIE R. D. , HARTMANN C. , NEILL R. , NUTTER D. E. 
Published: May 2016

AbstractThe sterically hindered nitroarenes (I) and (IV) are denitrated on treatment with potassium tert‐butoxide, yielding the hydrocarbons (II) and (V) and the complexed potassium nitrite (III).
ChemInform Abstract: Reactions of Polyhalogenofunctionalized Compounds with Metals and Electrophilic Reagents. Part 3. Reaction of 4,4,4‐Trichloro‐2‐methyl‐2‐butenal with Zinc and α‐Chloro Ethers.
Authors: SHCHEPIN V. V. , RUSSKIKH N. YU. , GAFIEVA L. Z. , LAPKIN I. I. 
Published: May 2016

AbstractThe reaction of the title compound (I) with Zn is studied in the presence of the chloromethyl ethers (II).
ChemInform Abstract: Chemistry of Enol Ethers. Part 77. Synthesis of Acetals of Phenylsubstituted Glutaconaldehydes.
Authors: MAKIN S. M. , KRUGLIKOVA R. I. , LONINA N. N. 
Published: May 2016

AbstractThe condensation of acetophenone diethylacetal (I) with the enol ethers (II) affords the 3‐phenyl‐1,1,3‐trialkoxybutanes (III), which are converted to 3‐phenylbutenal (IV) on treatment with acid.
ChemInform Abstract: A Novel Route to Allenyl Fluorides. Synthesis of 4‐Amino‐7‐fluorohepta‐5,6‐dienoic Acid, the First Fluoroallenyl Amino Acid.
Authors: CASTELHANO A. L. , KRANTZ A. 
Published: May 2016

AbstractThe propargyl dihalides (III) are conveniently prepared from the compounds (I) and (II).
ChemInform Abstract: A Regioselective Synthesis of Cyclopentenones from 4‐Thianone.
Authors: MATSUYAMA H. , MIYAZAWA Y. , TAKEI Y. , KOBAYASHI M. 
Published: May 2016

AbstractStarting with the thianones (I), the 2‐alkyl‐3‐cyclopentenones (VI) are prepared by a Ramberg‐Bäcklund type ring contraction as shown in the reaction scheme.
ChemInform Abstract: Reaction of Organomagnesium Compounds of the Adamantane Series with Carbonyl Compounds.
Authors: YURCHENKO A. G. , FEDORENKO T. V. 
Published: May 2016

AbstractThe reactions of the 1‐adamantyl (Ia), 2‐adamantyl (Ib) and 1‐adamantylmethyl (Ic) Grignard reagents with various carbonyl compounds are studied in order to determine the influence of steric factors.
ChemInform Abstract: Acid‐Catalyzed Intramolecular C‐Alkylation in β,γ‐Unsaturated Diazomethyl Ketones. Part 5. Synthesis of Functionalized Hydrofluorene Derivatives via Novel Fragmentation Reactions.
Authors: SAHA B. , SATYANARAYANA G. O. S. V. , GHATAK U. R. 
Published: May 2016

AbstractReductive cleavage of the bridged hydroxycyclopentanones (I) followed by Jones oxidation proceeds with retention of configuration to give the ketones (II); (IIb) is also obtained with better yield along with its epimer (III) by catalytic hydrogenolysis of (Ib).
ChemInform Abstract: A Novel Synthesis of Bicyclic Isoxazolines via Sequential Michael and Intramolecular 1,3‐Dipolar Additions.
Authors: UNO H. , WATANABE N. , FUJIKI S. , SUZUKI H. 
Published: May 2016

AbstractTitanium tetrachloride‐mediated Michael addition of the allylic stannanes (II) with the 1‐nitroalkadienes (I) followed by the intramolecular cycloaddition on treatment with triethylamine yields the bicyclic isoxazolines (III).
ChemInform Abstract: Thermal Isomerization of Azaspirane‐oxopyrazolinium Ylides: Ring‐Enlargement Reaction via (1,4)‐Alkyl Migration.
Authors: COQUERET X. , BOURELLE‐WARGNIER F. , CHUCHE J. , TOUPET L. 
Published: May 2016

AbstractThermolysis of the esters (III) yields the title ylides (IV) and the pyrazolinones (V).
ChemInform Abstract: Synthetic Routes to Arylpyrido(2,3‐c)azepines and ‐(3,2‐c)azepines.
Authors: SCHOFIELD J. , SMALLEY R. K. , SCOPES D. I. C. , PATEL D. I. 
Published: May 2016

AbstractTreatment of (I) with (IIa) yields the phenylated product (IIIa); the chlorophenyl analogues (IIIb) and (IIIc), however, are not accessible by this procedure.
ChemInform Abstract: Synthesis of Sulfur Analogues of Isocannabinoids and Tetrahydrocannabinols.
Authors: MONTERO J.‐L. , BELLO‐ROUFAI N. , LEYDET A. , DEWYNTER G. , N'GUESSAN T. Y. , WINTERNITZ F. 
Published: May 2016

AbstractThe phenols (I) are transformed to the thio compounds (V) or (IX) via the Newman‐Kwart reaction.
ChemInform Abstract: Synthesis of Racemic myo‐Inositol 1,3,4‐Trisphosphate via a Phosphite‐Triester Approach.
Authors: DREEF C. E. , VAN DER MAREL G. A. , VAN BOOM J. H. 
Published: May 2016

AbstractThe dicyclohexylidene‐myo‐inositol (I) is converted to the tri‐O‐benzyl derivative (VI) with an overall yield of 42%.
ChemInform Abstract: A Convenient Method for the Synthesis of 1‐Adamantyldichlorophosphine.
Authors: GOUYGOU M. , ETEMAD‐MOGHADAM G. , KOENIG M. 
Published: May 2016

AbstractThe title compound (IV) is prepared in a three‐step synthesis from 1‐bromoadamantane (I) via 1‐adamantyldichlorophosphine sulfide (III) which is desulfurized to give the dichlorophosphine (IV).
ChemInform Abstract: Synthesis and Characterization of a Dimeric Tris(arsino)gallane Containing a Nonplanar (Ga‐As)2 Ring: Crystal Structure of (((Me3SiCH2)2As)3Ga)2.
Authors: WELLS R. L. , PURDY A. P. , HIGA K. T. , MCPHAIL A. T. , PITT C. G. 
Published: May 2016

AbstractThe tris(arsino)gallane (III) mentioned in the title is obtained by reaction of the lithioarsine (I) with GaCl3 (II).
ChemInform Abstract: Preparation and Crystal Structures of the Crowded Organotin Fluorides (PhMe2Si)3CSnMe2F, (Me3Si)3CSnMe2F, and (Me3Si)3CSnPh2F.
Authors: AL‐JUAID S. S. , DHAHER S. M. , EABORN C. , HITCHCOCK P. B. , SMITH J. D. 
Published: May 2016

AbstractThe lithiated tris(silyl)methane (I) reacts with dimethyldichlorostannane (II) to form the chlorostannane (III) which is fluorinated with AgBF4, producing the fluorostannane (IV).
ChemInform Abstract: Nickel, Cobalt, and Copper Complexes of o‐Benzenediselenolate: Synthesis and Structural and Magnetic Properties.
Authors: SANDMAN D. J. , ALLEN G. W. , ACAMPORA L. A. , STARK J. C. , JANSEN S. , JONES M. T. , ASHWELL G. J. , FOXMAN B. M. 
Published: May 2016

AbstractThe o‐benzenediselenolate ligand is conveniently prepared by NaBH4 reduction of poly(o‐phenylene diselenide) (I), which is readily synthesized from o‐dibromobenzene and sodium diselenide.
ChemInform Abstract: Preparation of ortho‐Substituted Aryldifluorophosphines, 2‐XC6H4PF2 (X: MeO or Me2N), and Some of Their Derivatives. X‐Ray Crystal Structure Determination of (2‐MeOC6H4P)4 and of the Platinum Complex, Cl2Pt(2‐MeOC6H4PF2)2.
Authors: HEUER L. , SELL M. , SCHMUTZLER R. , SCHOMBURG D. 
Published: May 2016

AbstractStarting with the bromides (Ia) and (IIa), the title compounds (Id) and (IId) are prepared according to the scheme.
ChemInform Abstract: Chain Elongation of Carbohydrates: Synthesis of Pyrazoles from Optically Active Carboxylic Acids.
Authors: KLEIN U. , MOHRS K. , WILD H. , STEGLICH W. 
Published: May 2016

AbstractWith the view to obtaining C‐nucleosides the title acids (I) are transformed to the pyrazoles (VIII) via the intermediates (V).
ChemInform Abstract: Electrodeposition of Trace Metallic Impurities: Dependence on the Supporting Electrolyte Concentration ‐ a Comparison Between Bipolar and Monopolar Porous Electrodes.
Authors: ABDA M. , OREN Y. , SOFFER A. 
Published: May 2016

AbstractThe removal of trace concentrations of Hg by monopolar and bipolar porous graphite felt electrodes from solutions containing various amounts of NaNO3 as supporting electrolyte has been investigated.
ChemInform Abstract: Mo/Cr Metallization for Silicon Device Interconnection.
Authors: KIM M. J. , SAIA R. A. , GOROWITZ B. 
Published: May 2016

AbstractIt is demonstrated that an 800 Å layer of Cr deposited under a thick (5000 Å) Mo conductor provides good ohmic contact to p+ and n+ Si and also promotes metal adhesion to the substrate.
ChemInform Abstract: Site Occupancy in Erbium‐Iron‐Manganese‐Boron Alloys
Authors: FUERST C. D. , MEISNER G. P. , PINKERTON F. E. , YELON W. B. 
Published: May 2016

Abstracthas been investigated by neutron diffraction experiments because of the importance of the Nd2Fe14B tetragonal phase to permanent magnet technology.
ChemInform Abstract: Enthalpies of Formation and Hydrogenation of La(Ni(1‐x)Cox)5 Compounds.
Authors: COLINET C. , PASTUREL A. , PERCHERON‐GUEGAN A. , ACHARD J. C. 
Published: May 2016

AbstractThe variation of the enthalpies of formation of La(Ni(1‐x)Cox)5 with 0 < x < 1 (measured by a calorimetric method) as a function of composition is discussed using a tight‐binding model to describe the electronic structure of these compounds.
ChemInform Abstract: High Pressure NMR Kinetics. Part 29. Variable‐Temperature, ‐Pressure, and ‐Frequency 17O NMR Study of Water Exchange on Hexaaquatitanium(III): A Limiting Associative Mechanism?
Authors: HUGI A. D. , HELM L. , MERBACH A. E. 
Published: May 2016

AbstractThe 17O FT‐NMR spectroscopic study of aqueous (up to 20% 17O‐enriched H2O) solutions of Ti(CF3SO3)3 containing CF3SO3H yields the following kinetic parameters: kex298 = 1.81·105 s‐1, ΔH* = 43.4 kJ mol‐1, ΔS* = 1.2 JK‐1mol‐1, and ΔV0* = ‐12.1 cm3mol‐1.
ChemInform Abstract: Oxidation of Bivalent Manganese by Peroxomonophosphoric Acid Catalyzed by Cobalt(II). A Kinetic Study.
Authors: SIVASWAROOP P. , KUMAR K. A. , MURTY S. S. N. , RAO P. V. K. 
Published: May 2016

AbstractThe title reaction is found to occur with a measurable reaction rate in the presence of trace amounts of Co(II), whereas it is negligible in the absence of a suitable catalyst.
ChemInform Abstract: Phosphinomacrocycles. Part 16. Complexation of the Nickel(II) Triad with 14‐Membered Macrocyclic P4‐nSn (n = 2, 1, 0) Ligands. Study of the Effects on Coordination of the Relative Configuration at the Phosphines and the Number and Placement of Thioether Sites.
Authors: KYBA E. P. , DAVIS R. E. , FOX M. A. , CLUBB C. N. , LIU S.‐T. , REITZ G. A. , SCHEULER V. J. , KASHYAP R. P. 
Published: May 2016

AbstractThe complexation of Ni, Pd, and Pt with the title ligands (I)‐(III), each having the phenyl groups on phosphorus either in cis or in trans position, is studied.
ChemInform Abstract: Coordinating Properties of Some Solvents. A Vibrational Spectroscopic Study of Mercury(II) Halides and Antimony(V) Chloride in Solution; New Concepts for Lewis Basicity Scales of Solvents.
Authors: PERSSON I. , SANDSTROEM M. + , GOGGIN P. L. 
Published: May 2016

AbstractRaman and IR spectra of the stretching vibrational frequencies of HgX2 (X: Cl, Br, I) in about sixty solvents are recorded and combined with literature data to obtain numerical donor strength DS values.
ChemInform Abstract: Complex Formation Between Excited‐State Saturated Amines and Water in n‐Hexane Solution.
Authors: HALPERN A. M. , RUGGLES C. J. , ZHANG X. 
Published: May 2016

AbstractFluorescence spectra and decay curves of dilute solutions of Et3N, Pr3N, and DABCO in H2O‐ and D2O‐saturated n‐hexane reveal the presence of a complex formed between the electronically excited amine and water.
ChemInform Abstract: Alkynylcyanoketenes.
Authors: NGUYEN N. V. , CHOW K. , MOORE H. W. 
Published: May 2016

AbstractThermolysis of the diazidodialkynyl‐p‐benzoquinones (II), obtained from the dichlorides (I), produces the alkynylcyanoketenes (III) which are directly trapped with DCC, yielding the azetidinones (IV).
ChemInform Abstract: Quantitative Treatment of Photochemical Effects on the UV Resonance Raman Spectroscopic Intensities. Application to Enzymatic Cofactors Containing Dihydronicotinamide and Their Photochemically Induced Transients.
Authors: BAJDOR K. , NISHIMURA Y. , PETICOLAS W. L. 
Published: May 2016

AbstractUVRR spectra are presented of nicotinamide adenine dinucleotide in its oxidized (NAD+) and reduced forms (NADH) as well as the dihydronicotinamide mononucleotide (NMNH) at a variety of UV exciting wavelengths.
ChemInform Abstract: Aliphatic Sulfonation. Part 1. Sulfonation of Alkenes with Sulfur Trioxide. Stereospecific β‐Sultone Formation.
Authors: BAKKER B. H. , CERFONTAIN H. 
Published: May 2016

AbstractThe sulfonation of the alkenes (I) with sulfur trioxide yields stereoselectively the β‐sultones (II).
ChemInform Abstract: α,β‐Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. Part 10. An Improved Synthesis of α,β‐Unsaturated Carbonyl Compounds from Carbonyl Compounds with Carbon Homologation Through α,β‐Epoxy Sulfoxides.
Authors: SATOH T. , ITOH M. , OHARA T. , YAMAKAWA K. 
Published: May 2016

AbstractTreatment of the epoxysulfoxides derived from ketones (II) (→ (III)) or (V) and corresponding sulfones (I), with LiClO4 in the presence of Bu3PO gives the α,β‐unsaturated ketones (IV) or aldehydes (VI) in high yield.
ChemInform Abstract: Useful Synthetic Routes to Pure exo‐5‐Vinyl‐2‐norbornene and endo‐5‐Vinyl‐2‐norbornene.
Authors: INOUE Y. 
Published: May 2016

AbstractThe known principal product from the Diels‐Alder reaction between cyclopentadiene and butadiene consists of a mixture of the exo/endo isomers (Ia) + (Ib).
ChemInform Abstract: π‐Electron Properties of Large Condensed Polyaromatic Hydrocarbons.
Authors: STEIN S. E. , BROWN R. L. 
Published: May 2016

AbstractHMO theory is used to calculate energy level densities, bond orders, electron distributions, free valence, resonance energies, and heats of formation for four homologous series of large, hexagonally symmetric benzenoid polyaromatic molecules with well‐defined edge structures containing up to 2300 carbon atoms, benzene being the first member of each series.
ChemInform Abstract: Synthesis and Base‐Induced Methylation Reactions of cis‐7a‐Hydroxy‐3a‐ (phenylsulfenyl)‐3a,4,5,6,7,7a‐hexahydro‐4‐indanone.
Authors: CAINE D. , MCCLOSKEY C. J. , ATWOOD J. L. , BOTT S. G. , ZHANG H.‐M. , VANDERVEER D. 
Published: May 2016

AbstractThe epoxy ketone (I) is cleaved with thiophenol and sodium hydride to produce the phenylsulfenylindanone (II) mentioned in the title.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Synthesis of 3‐Bromo‐5‐Substituted Isoxazoles, Useful Intermediates for the Preparation of Pharmacologically Active Compounds.
Authors: CHIARINO D. , NAPOLETANO M. , SALA A. 
Published: May 2016

AbstractThe nitrile oxide (II), prepared from the dibromooxime (I), dimerizes to form the furoxan (III).