bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Dioxopyrrolines. Part 37. Stereochemical Pathways of Dioxopyrroline‐ Olefin Photocycloaddition. Stereochemical Selection Rule for the Photocycloaddition of Enone‐Olefin Pairs.
Authors: SANO T. , HORIGUCHI Y. , TSUDA Y. 
Published: May 2016

AbstractAn empirical rule for the stereoselectivity of the photolytic cycloaddition reaction of alkenes with the pyrroledione (II) is deduced using the deuterated styrenes (I).
ChemInform Abstract: Synthesis of Podophyllotoxin and Related Analogues. Part 3. Synthesis of β‐Apopicropodophyllin Analogues with Modified Lactone Ring.
Authors: ANJANAMURTHY C. , RAI K. M. L. 
Published: May 2016

Abstractβ‐Apopicropodophyllin (II), a dehydration product of the antitumor agent podophyllotoxin (I) with a manifold higher activity, serves as starting material for the synthesis of the analogues (IV), (VIII), (X) and (XI).
ChemInform Abstract: Synthesis, Separation of Tautomers and Biological Activities of 4,6‐Diaryl‐3‐oxo‐3,3a,4,5‐tetrahydro‐2H‐indazoles.
Authors: JAIN A. C. , MEHTA A. , ARYA P. 
Published: May 2016

AbstractSuccessive reaction of the chalcones (I) with the ester (II) and hydrazine hydrate (III) yields tautomeric mixtures which can be separated.
ChemInform Abstract: Unexpected Formation of α‐Thiocyanatoketones in Hantzsch Thiazole Synthesis.
Authors: SINGH S. P. , SEHGAL S. , SINGH L. , DHAWAN S. N. 
Published: May 2016

AbstractWith a view to assessing the potential of thiazole and pyrazole moieties in generating singlet oxygen, which may be the basis of photodynamic properties inhibiting the growth of microorganisms, the synthesis of compound (III) is carried out.
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom: Synthesis of Imidazo(2,1‐b)‐benzothiazoles and Quinoxalino(2′,3′:4,5)imidazo(2,1‐b)benzothiazoles.
Authors: MOHAN J. , ANJANEYULU G. S. R. , ARORA D. R. 
Published: May 2016

AbstractTitle compounds of type (V) (no yields given for (Vb)), (VIII) and (IX) are synthesized as shown in the scheme.
ChemInform Abstract: Novel Thermal Rearrangements of Tetrahydroazirinocyclobutabenzofuran Derivatives.
Authors: KURITA J. , SAKAI H. , YAMADA S. , TSUCHIYA T. 
Published: May 2016

AbstractThermolysis of the tetrahydroazirinocyclobutabenzofurans (I), prepared from 1‐benzoxepins, yields the ring transformation products (II) ‐ (IV).
ChemInform Abstract: Electroorganic Chemistry. Part 99. β‐Acetoxylation and β‐Halogenation of N‐Methoxycarbonyl Cyclic Amines.
Authors: SHONO T. , MATSUMURA Y. , ONOMURA O. , OGAKI M. , KANAZAWA T. 
Published: May 2016

AbstractAnodic oxidation of the nitrogen heterocycles (I) and (VI) gives the α,β‐disubstituted compounds (II) ‐ (V) and (VII).
ChemInform Abstract: Preparation of New Nitrogen‐Bridged Heterocycles. Part 14. Further Investigation of the Desulfurization and the Rearrangement of Pyrido‐(1,2‐d)‐1,3,4‐thiadiazine Intermediates.
Authors: KAKEHI A. , ITO S. , NAGATA K. , KINOSHITA N. , KAKINUMA N. 
Published: May 2016

AbstractReaction of the aminopyridinium iodides (I) with the thiocarbonyl compounds (II) produces the pyridinium thiocarbonylaminides (III) which are alkylated to give the pyridinium bromides (V).
ChemInform Abstract: A Novel Reaction of Formaldehyde with Some Diamines.
Authors: BAGGA M. M. , EVERATT B. , HINTON I. G. 
Published: May 2016

AbstractReaction of the macrocyclic polyamine (I) with formaldehyde (II) yields the N‐formyl‐N'‐methylhexahydropyrimidine (III) which is also obtained from 1,3‐diaminopropane (IV) and (II).
ChemInform Abstract: Synthesis of Macrocyclic Compounds with Two Different and Separated Coordinating Fragments of the 2,2′‐Dipyridyl and the 2,9‐Diphenyl‐1,10‐phenanthroline Type.
Authors: CHAMBRON J.‐C. , SAUVAGE J.‐P. 
Published: May 2016

AbstractThe desired macrocycles (IXa) and (IXb) are synthesized as shown in the scheme.
ChemInform Abstract: Ruthenium Tetroxide Oxidation of N‐Alkyllactams.
Authors: YOSHIFUJI S. , ARAKAWA Y. , NITTA Y. 
Published: May 2016

AbstractOxidation of the N‐alkyllactams (I) with ruthenium tetroxide yields a mixture of the cleavage products (II), the N‐acyllactams (III), and the cycloimides (IV).
ChemInform Abstract: Synthesis and Alkali‐Metal Complexing Abilities of Crown Ether Tertiary Alcohols.
Authors: PUGIA M. J. , KNUDSEN B. E. , CASON C. V. , BARTSCH R. A. 
Published: May 2016

AbstractThe crown ethers (III) and (V) are obtained by coupling the diols (II) and (IV) with the (2‐chloromethyl)oxiranes (I).
ChemInform Abstract: Comparison of the Reactivity of Triethyl Phosphorotrithioite and Triethylphosphite by Synthesis of P‐N Compounds.
Authors: HERRMANN E. , ALBRECHT S. , JOHN A. 
Published: May 2016

AbstractP(SEt)3 reacts unlike P(OEt)3 with CCl4 and nitrogen containing nucleophiles.
ChemInform Abstract: Isomerization of Aryl Esters of Acids of Pentavalent Phosphorus.
Authors: PETROV K. A. , AGAFONOV S. V. , POKATUN V. P. 
Published: May 2016

AbstractThe aryl phosphinates or phosphonates (I) with at least one free o‐position in the aroxy group rearrange in the presence of a strong base to give the corresponding 2‐hydroxyaryl compounds (II).
ChemInform Abstract: Phosphorus‐Containing Podands. Synthesis of Neutral and Acidic Monopodands from α‐Monophosphinylalkylated Pyrocatechols.
Authors: BOVIN A. N. , DEGTYAREV A. N. , TSVETKOV E. N. 
Published: May 2016

AbstractThe phosphorylated pyrocatechol monoethers (I) react with the ditosylates (II) to give the title compounds (III).
ChemInform Abstract: Acetylene Bis(phosphonous diamides), Bis(phosphonous fluoride amides), and Bis(phosphonous difluoride).
Authors: SVARA J. , FLUCK E. , STEZOWSKI J. J. , MAIER A. 
Published: May 2016

AbstractThe acetylene bis(phosphonous diamides) (Ib)‐(Id), the acetylene bis(phosphonous fluoride amides) (Ie) (for R2: NEt2 yield 80%), and acetylene bis(phosphonous difluoride) (Ig) are prepared according to the scheme starting from the bis(phosphonous diethylamide) (Ia).
ChemInform Abstract: Cyanamidoselenenylation of Alkenes.
Authors: HERNANDEZ R. , LEON E. I. , SALAZAR J. A. , SUAREZ E. 
Published: May 2016

AbstractReaction of the alkenes (I) and (VIII) with cyanamide (II) and N‐phenylselenophthalimide (III) produces the β‐phenylselenocyanamides (IV), (V), (IX), and (X).
ChemInform Abstract: Production of Sodium Bis(2‐alkoxyethoxy)aluminum Hydrides.
Authors: TSIOMO S. N. , EFIMOV N. K. , GORBUNOV A. I. , ZUBANOVA V. I. , CHEKMAREVA L. P. , YAZYNENKOVA E. P. , SHVETS V. M. 
Published: May 2016

AbstractStarting with the glycol ethers (I), hydrogen, sodium, and aluminum, a technical process for the production of a concentrated solution of the title compound (II) in toluene is described.
ChemInform Abstract: Aluminum‐Carbon Bond Reactivity in Geminal Organodialuminum Compounds.
Authors: PASYNKIEWICZ S. , DLUZNIEWSKI T. , SONNEK G. 
Published: May 2016

AbstractThe partial protolysis of the bisalane (IV) with proton donating agents (III) produces mixtures of alanes (I) and (II) or isobutane (V) and the bisalane (VI).
ChemInform Abstract: Reactions of Dialkoxyphosphoryl and Phenylsulfenyl Chlorides, Dithiophosphoric Acids, and S‐Trimethylsilyl Dithiophosphates with p‐Vinylbenzyltrimethylstannane.
Authors: KUTYREV G. A. , KAPURA A. A. , SADYKOVA L. A. , NIKANOROV V. A. , CHERKASOV R. A. , PUDOVIK A. N. 
Published: May 2016

AbstractThe dithiophosphates (II) react with the vinylbenzylstannane (Ia) to give the anti‐Markovnikov adducts (III), whereas the reaction of (IIa) with 4‐methoxystyrene (IV) leads to the formation of the Markovnikov adduct (V).
ChemInform Abstract: Tungsten and Molybdenum 2‐Oxaallyl (η1‐(C)‐Enolate) Complexes: Functional Group Transformations, Photochemical Aldol Reactions, and Alkyne/CO Migratory Insertion Reactions.
Authors: BURKHARDT E. R. , DONEY J. J. , BERGMAN R. G. , HEATHCOCK C. H. 
Published: May 2016

AbstractThe title complexes (III) and (V) are prepared according to the scheme.
ChemInform Abstract: Stepwise Incorporation of a Carbyne Ligand Into Vinylcarbene and Vinylketene Ligands at a Tungsten Center.
Authors: MAYR A. , ASARO M. F. , GLINES T. J. 
Published: May 2016

AbstractThe reaction of the carbyne‐W complex (I) with allyl bromide (II) leads to the formation of the vinylcarbene complex (III).
ChemInform Abstract: Carbon Dioxide Insertion Processes Involving Metal‐Carbon Bonds: Solid‐State and Solution Structure of (Na(18‐crown‐6)) (W(CO)5CH3).
Authors: DARENSBOURG D. J. , BAUCH C. G. , RHEINGOLD A. L. 
Published: May 2016

AbstractIn order to provide mechanistic insight concerning the C‐C bond forming process, the title reaction is investigated with the complexes (I).
ChemInform Abstract: New Mode of Bonding of Bis((diphenylphosphino)methyl)phenylphosphine, dpmp: Synthesis and Structure of a Sterically Crowded, Triply Bonded Dirhenium Complex, (Re2Cl3(dpmp)2)X (X: Cl, PF6).
Authors: COTTON F. A. , MATUSZ M. 
Published: May 2016

AbstractThe reaction of the complex (I) with the title ligand (II) leads to reduction of the quadruple bond and results in the formation of the triply bonded complex (IIIa).
ChemInform Abstract: Stereospecific Binding of rac‐Iron(III) N,N′‐Ethylenebis((5‐bromo‐2‐hydroxyphenyl)glycinate) to the Bilirubin Site on Human Serum Albumin.
Authors: LAUFFER R. B. , VINCENT A. C. , PADMANABHAN S. , MEADE T. J. 
Published: May 2016

AbstractThe racemic (I) and meso (II) forms of the title complex are isolated.
ChemInform Abstract: Synthesis of Aminooxycarbene Complexes of Iron with N‐Alkyl, ‐Allyl, and ‐Carbamoyl Groups.
Authors: JOHNSON L. K. , ANGELICI R. J. 
Published: May 2016

AbstractThe aminooxycarbene ligand of (I) is deprotonated with NaH to give the imidoyl complex (II), whose nitrogen reacts with various organic electrophiles as shown in the scheme (→ (III), (VI), (IX)).
ChemInform Abstract: Coordination Modes of Histidine. Part 10. Iron(III) Tyrosinate Models. Synthesis and Spectroscopic and Stereochemical Studies of Iron(III) Complexes of N‐Salicylidene‐L‐amino Acids.
Authors: CASELLA L. , GULLOTTI M. , PINTAR A. , MESSORI L. , ROCKENBAUER A. , GYOER M. + 
Published: May 2016

AbstractThe iron complexes of type (I) and (II) are prepared by metal ion template condensation of the salicylaldehyde and the amino acids and histamine, respectively.
ChemInform Abstract: Transition Metal Complexes (Et2P(S)NR)M/n, Chelates Containing 4‐Membered Rings and Phosphinothioic‐Organylamidato Ligands.
Authors: FUCHS M. , KUCHEN W. , PETERS W. 
Published: May 2016

AbstractThe title complexes (I) are obtained by reaction of corresponding metal chlorides with Et2P(S)NRLi or by reaction of ZnEt2 with Et2P(S)NHMe.
ChemInform Abstract: The Anisotropy of Intermolecular Interactions, Band Electronic Structure, and Electrical Properties of β‐(ET)2AuCl2.
Authors: EMGE T. J. , WANG H. H. , BOWMAN M. K. , PIPAN C. M. , CARLSON K. D. , BENO M. A. , HALL L. N. , ANDERSON B. A. , WILLIAMS J. M. , WHANGBO M.‐H. 
Published: May 2016

AbstractThe new title compound is prepared by electrocrystallization (Pt electrodes) of bis(ethylenedithio)tetrathiafulvalene (ET) and (NBu4)AuCl2 in THF at 22 °C (20% yield).
ChemInform Abstract: Asymmetric Alkylations of Glycine Derivatives Using Optically Active Formylcamphors.
Authors: SUZUKI K. , HIRAMI Y. , TANIAI M. , MOHRI T. , GODA C. , FUJIYAMA R. , KIYOOKA S. 
Published: May 2016

AbstractAlkylation of the chiral enamines (IIIa) ‐ (IIIc) followed by hydrolysis produces the amino esters (Va) ‐ (Ve) in low to moderate optical yields.
ChemInform Abstract: Stereospecific Epimerization, Oxidation and Toxine Rearrangement in Cinchona Alkaloids Catalyzed by Acetic Acid.
Authors: YANUKA Y. , GERYES A. , HELLER M. 
Published: May 2016

AbstractTreatment of quinidine (I) with anhydrous AcOH (a mixture of glacial AcOH and Ac2O) gives rise to N‐acetyl quinotoxine enol acetates (IIa)/(IIb) whereas the treatment with aqueous AcOH under anaerobic conditions effects an epimerization at C‐9 yielding the desired epi‐quinidine (III); quinotoxine (IV) is additionally formed.
ChemInform Abstract: Furo(3,2‐b)indole Derivatives. Part 5. Synthesis and Structure‐Activity Studies of 4‐Substituted‐2‐(4‐Methylpiperazinylcarbonyl)‐6‐trifluoromethylfuro(3,2‐b)indole Derivatives with Analgesic and Antiinflammatory Activities.
Authors: KAWASHIMA Y. , OKUYAMA S. , SATO M. , HATADA Y. , AMANUMA F. , NAKASHIMA Y. , SOTA K. , MORIGUCHI I. 
Published: May 2016

AbstractTreatment of the furoindole (I) with halides in DMF in the presence of sodium hydride yields the N‐substituted derivatives (II).
ChemInform Abstract: Chemical Transformation of Protoberberines. Part 11. A Novel Synthesis of 2,3,10,11‐Tetraoxygenated Protoberberine Alkaloids from Corresponding 2,3,9,10‐Tetraoxygenated Protoberberine Alkaloids.
Authors: HANAOKA M. , CHO W. J. , MARUTANI M. , MUKAI C. 
Published: May 2016

AbstractThe chlorides (I), derived from berberine, coptisine, and palmatine, are transformed into tetrahydropseudoberberine (VIa), tetrahydropseudocoptisine (VIb), and (±)‐xylopinine (VIc) as outlined in the reaction scheme.
ChemInform Abstract: A Short and Practical Synthesis of (2S,5S)‐Bishydroxymethyl‐(3R,4R)‐ bishydroxypyrrolidine.
Authors: SHING T. K. M. 
Published: May 2016

AbstractD‐Mannitol (I) is fully protected and then cyclized with hydrazine, forming the tricyclic pyrrolidine derivative (Va).
ChemInform Abstract: Vinyl Azides in Heterocyclic Synthesis. Part 8. Synthesis of the Naturally Occurring Phosphodiesterase Inhibitors PDE‐I (XIa) and PDE‐II (XIb).
Authors: BOLTON R. E. , MOODY C. J. , REES C. W. , TOJO G. 
Published: May 2016

AbstractThe aldehyde (I), readily available from isovanillin, is converted to the intermediate (VI) which possesses the desired pyrrolo(3,2‐e)indole skeleton.
ChemInform Abstract: Stereospecific Synthesis of cis‐Pyrethroids by the Cyclopropene Route Using a Carbanionic Synthon. Part 2. Approach to cis‐Chrysanthemic and cis‐Pyrethric Derivatives.
Authors: FRANCK‐NEUMANN M. , MIESCH M. , KEMPF H. 
Published: May 2016

AbstractThe pyrazoles (I), whose synthesis is described in the preceding paper, are photolyzed to give cyclopropene intermediates.
ChemInform Abstract: Synthesis and Thermomechanical Properties of Dense Boron Carbide‐Silicon Carbide Composites.
Authors: BOUGOIN M. , THEVENOT F. , DUBOIS J. , FANTOZZI G. 
Published: May 2016

AbstractBy mixing commercial powders of BxC and SiC and sintering without pressure using a carbon additive produced by in situ pyrolysis of a Novolac‐type phenol‐formaldehyde resin ceramics with densities between 93 and 99% of the theoretical density are obtained.
ChemInform Abstract: Microwave Spectrum and Molecular Structure of Aminoborane, BH2NH2.
Authors: SUGIE M. , TAKEO H. , MATSUMURA C. 
Published: May 2016

AbstractThe microwave spectra of five isotopic species of aminoborane, their rotational and centrifugal distortion constants, and the nuclear quadrupole coupling constants of B and N are reported.
ChemInform Abstract: Preparation and Crystal Structures of (Te2Se8)(AsF6)2 (I), (Te4.5Se5.5)(AsF6)2 (II), and (Te2Se6)(Te2Se8)(AsF6)4(SO2)2 (III).
Authors: COLLINS M. J. , GILLESPIE R. J. , SAWYER J. F. 
Published: May 2016

AbstractThe title compounds have been prepared from AsF5, Se, Te, and S using SO2 as solvent (reaction conditions are given).
ChemInform Abstract: Crystal Structure of a New Alkali Metal Digermanate, Na4K2Ge2O7.
Authors: HALWAX E. , VOELLENKLE H. + 
Published: May 2016

AbstractThe title compound has been prepared by reaction of equimolar amounts of NaKGeO3, NaOH, KOH (Ni‐crucible, N2 atmosphere, 450 °C).
ChemInform Abstract: Electronic and Resonance Raman Spectra of Chloro‐Bromo‐Ruthenates(IV), (RuClnBr6‐n)2‐, n = 0‐6,
Authors: VON ALLWOERDEN H. N. + , PREETZ W. 
Published: May 2016

Abstracthave been recorded at 80 K (tetraalkylammonium salts).
ChemInform Abstract: NMR Study of the Molecular Mobility in Ba(NO2)2·H2O.
Authors: LARSSON K. , TEGENFELDT J. 
Published: May 2016

AbstractMeasurements of the 1H relaxation rates as a function of temp. in polycrystalline samples of the title compound and as a function of orientation in single crystals show at least two different dynamical processes to occur.
ChemInform Abstract: The Electrical Transport Properties of Polycrystalline Chromium Vanadate
Authors: GUPTA S. , YADAVA Y. P. , SINGH R. A. 
Published: May 2016

Abstracthave been studied by measurements of the ac/dc electrical conductivities, thermoelectric power and the dielectric constant in the temp. range 300‐1000 K. CrVO4 is a p‐type semiconductor with an energy gap of 3.6 eV.
ChemInform Abstract: Vapor‐Liquid Equilibria in the System TlI‐NdI3.
Authors: KNAPSTAD B. , OESTVOLD T. , OEYE H. A. 
Published: May 2016

AbstractFrom total pressure measurements above liquid mixtures of the title system and vapor phase composition studies in the temp. range 950‐1150 K it is confirmed that the complex TlNdI4(g) is formed in the gas phase.
ChemInform Abstract: Adsorption of Water as a Means to Remove Bulk Metastability of CsHSO4 and RbH2PO4.
Authors: BARANOWSKI B. , FRIESEL M. , LUNDEN A. 
Published: May 2016

AbstractThe conditions required for the phase transition of CsHSO4 (333 K) and RbH2PO4 (352 K) have been studied by DSC and TG.
ChemInform Abstract: Effect of the Nature of Platinum Group Metals on the Formation and Properties of Adatom Silver Coatings.
Authors: PODLOVCHENKO B. I. , KOLYADKO E. A. 
Published: May 2016

AbstractIt is shown that on electrolytic deposits of Pt, Pd, Rh and Ir the adsorption of Ag at underpotentials proceeds electrochemically in an irreversible way and that the adsorbed Ag atoms can displace preadsorbed oxygen atoms.
ChemInform Abstract: Characterization of Supported Molybdena Catalysts by SIMS.
Authors: RODRIGO L. , ADNOT A. , ROBERGE P. C. , KALIAGUINE S. 
Published: May 2016

AbstractIt is demonstrated that static SIMS is sensitive to structural changes in SiO2‐ and Al2O3‐supported molybdena phases.
ChemInform Abstract: Preparation of BaPbO3 from Coprecipitated Barium‐Lead Oxalate.
Authors: YAMANAKA A. , MARUYAMA T. , ATAKE T. , SAITO Y. 
Published: May 2016

AbstractBarium‐lead oxalate, coprecipitated at 310 K from an aqueous 1:1 solution containing Ba2+ and Pb2+ ions, decomposes between 670 and 720 K to give a mixture of BaCO3 and PbO, which forms BaPbO3 starting at 840 K. The perovskite‐type compound is obtained by calcining the coprecipitated oxalate at 1000 K for 50 ks.
ChemInform Abstract: Chlorophyll Model Compounds: Effects of Low Symmetry on the Resonance Raman Spectra and Normal Mode Descriptions of Nickel(II) Dihydroporphyrins.
Authors: BOLDT N. J. , DONOHOE R. J. , BIRGE R. R. , BOCIAN D. F. 
Published: May 2016

AbstractThe resonance Raman spectra with excitation in the B, Qx and Qy absorption regions are reported for a series of the nickel(II) dihydroporphyrins (I) and (II), in which the structural complexities of chlorophyll a (reduced pyrrole ring, isocyclic ring, 9‐keto group and 2‐vinyl group) are systematically added to the basic tetrapyrrole structure.
ChemInform Abstract: Dipolar Relaxations in Glycerol: A Dynamic Fluorescence Study of 4‐2′‐(Dimethylamino)‐6′‐naphthoylcyclohexanecarboxylic Acid (DANCA).
Authors: BISMUTO E. , JAMESON D. M. , GRATTON E. 
Published: May 2016

AbstractSolvent dipolar reorientations following excitation of DANCA (I) in glycerol at various temp. are investigated using multifrequency‐phase fluorometry.
ChemInform Abstract: Mechanism of Fe+‐Induced Hydrogen Migrations in Gaseous Octyne/Iron(I) Complexes.
Authors: SCHULZE C. , SCHWARZ H. , PEAKE D. A. , GROSS M. L. 
Published: May 2016

AbstractIt is shown from Fe+ reactions with isotopically labeled isomeric 1‐, 2‐, and 3‐octynes that the mechanism is consistent with oxidative Fe+ addition to the propargylic bond, β‐hydrogen transfer, and reductive elimination.
ChemInform Abstract: Identification of the Structural Transition Temperature in the Solutions of Dialkyl Sulfoxides.
Authors: MARKARIAN S. A. , GRIGORIAN K. R. , SIMONIAN L. K. 
Published: May 2016

AbstractTemp.‐dependent 1H NMR spectra and light‐scattering intensity measurements for solutions of R‐SO‐R in aprotic non‐polar solvents ((2H5)pyridine, NMR, R: ‐Et; toluene, light‐scattering, R: ‐Me, ‐Et, ‐Bu) exhibit a change of slope which is characterized as a structural transition.
ChemInform Abstract: Thermal Decomposition of Energetic Materials. Part 20. A Comparison of the Structural Properties and Thermal Reactivity of an Acyclic and Cyclic Tetramethylenetetranitramine Pair.
Authors: OYUMI Y. , BRILL T. B. , RHEINGOLD A. L. 
Published: May 2016

AbstractThe linear nitramine (I) and its cyclic analogue (II) are compared.
ChemInform Abstract: Liquid Chromatography on Triacetylcellulose. Part 14. Chromatographic Separation of Enantiomers and Barriers to Enantiomerization of Axially Chiral Aromatic Carboxamides.
Authors: CUYEGKENG M. A. , MANNSCHRECK A. 
Published: May 2016

AbstractThe enantiomers (e.g.
ChemInform Abstract: Convergent Functional Groups. Part 3. A Molecular Cleft Recognizes Substrates of Complementary Size, Shape, and Functionality.
Authors: REBEK J. JUN. , ASKEW B. , KILLORAN M. , NEMETH D. , LIN F.‐T. 
Published: May 2016

AbstractA series of rigid structures (VI) ("molecular clefts") is reviewed and their complexation with a range of aromatic N‐heterocycles such as pyridine, pyrazine, quinoxaline, phenazine, pyrimidine, imidazole, benzimidazole, and purine is studied using NMR.
ChemInform Abstract: Azoalkanes as Electron Donors in Charge‐Transfer Complexes. Molecular Structures with Sacrificial (π*, σ*) and Increvalent (v) Electron Acceptors.
Authors: BLACKSTOCK S. C. , KOCHI J. K. 
Published: May 2016

AbstractA series of EDA complexes of the azoalkanes (I)‐(IV) with the three unique types of electron acceptors tetracyanoethylene (TCNE) (π*), CBr4 (σ*), and Ag(I) (v) are characterized in solution from their charge‐transfer spectra.
ChemInform Abstract: Deamination Reactions. Part 47. Decomposition of 1‐(3‐Hydroxypropyl)cyclopropanediazonium Ions.
Authors: KIRMSE W. , RODE K. 
Published: May 2016

AbstractAlkaline cleavage of the nitrosocarbamate (II) (no yield given) affords the title diazonium ion type as intermediate.
ChemInform Abstract: Reactions with Aziridines. Part 41. Highly Regioselective (Abnormal) Ring Opening of 1‐Benzoyl‐2,2‐dimethylaziridine by Simple Nitrile Anions.
Authors: ASSITHIANAKIS P. , STAMM H. 
Published: May 2016

AbstractThe anions (II) cleave the aziridine ring of compound (III) at the tertiary C‐atom giving the butyronitriles (IV) in good yields.
ChemInform Abstract: Preparation and Regiospecific Cyclization of Alkenyllithiums.
Authors: BAILEY W. F. , NURMI T. T. , PATRICIA J. J. , WANG W. 
Published: May 2016

AbstractA two‐step, one‐pot sequence is developed that provides an anionic route to functionalized carbocycles containing five‐ or six‐membered rings.
ChemInform Abstract: The Acid Catalyzed Cyclization of Diazoketones: Preparation of 2,4(3H,5H)‐Furandiones.
Authors: MILLER R. D. , THEIS W. 
Published: May 2016

AbstractThe diazoketones (I), prepared from malonic acid monochlorides, are cyclized in the presence of BF3 etherate to yield the 2,4(3H,5H)furandiones (II).
ChemInform Abstract: Pyridinium Dichromate‐Induced 1,3‐Oxidative Rearrangements of Enynols.
Authors: LIOTTA D. , BROWN D. , HOEKSTRA W. , MONAHAN R. III 
Published: May 2016

AbstractThe cyclohexenols (III), synthesized by coupling the lithium acetylides (II) with the cyclohexenones (I), are oxidized with pyridinium dichromate to form the rearranged cyclohexenones (IV).
ChemInform Abstract: Photoirradiated and γ‐Ray‐Irradiated Reactions of Manganese(III, IV, V) Tetraphenylporphyrins in 2‐Methyltetrahydrofuran. Reactions of Azidomanganese(III) Porphyrin.
Authors: JIN T. , SUZUKI T. , IMAMURA T. , FUJIMOTO M. 
Published: May 2016

AbstractThe reductions of (I) at different conditions and consecutive reactions are reported.
ChemInform Abstract: Size, Shape, and Site Selectivities in the Photochemical Reactions of Molecules Adsorbed on Pentasil Zeolites. Effects of Coadsorbed Water.
Authors: TURRO N. J. , CHENG C.‐C. , ABRAMS L. , CORBIN D. R. 
Published: May 2016

AbstractThe photochemistry of the ketones (I) in the presence of pentasil zeolites follows different pathways due to the location of the adsorbed ketone.