bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthesis of 1,3‐Dioxin‐4‐ones and Their Use in Synthesis. Part 15. Photocycloaddition, Methylation, and Catalytic Reduction of Chiral Spirocyclic 1,3‐Dioxin‐4‐ones: Different Stereofacial Selectivity and Its Explanation.
Authors: SATO M. , TAKAYAMA K. , FURUYA T. , INUKAI N. , KANEKO C. 
Published: May 2016

AbstractReaction of menthone (I) with the dioxinone (II) gives the chiral spirocyclic dioxacyclohexenones (III) and (IV).
ChemInform Abstract: Formation of Tetrahydropyrrolo(1,2‐c)pyrimidines in the Reaction of Acetylene with Piperidin‐4‐one Oximes.
Authors: PROSTAKOV N. S. , VARLAMOV A. V. , BORISOVA T. N. , SERGEEVA N. D. 
Published: May 2016

AbstractThe oxime (I) reacts with acetylene (II) in the system KOH/DMSO to yield the tetrahydropyrrolopyrimidine (IV) via the intermediate pyrrolopyridine (III).
ChemInform Abstract: Studies of Heterocyclic Compounds. Part 10. The Synthesis and Properties of Some Organotin(IV)‐Oxygen and ‐Nitrogen Heterocycles.
Authors: OBAFEMI C. A. , EJENAVI A. B. , KOLAWOLE D. O. , OLOKE J. K. 
Published: May 2016

AbstractSome representative six‐membered title compounds (I)‐(III) are prepared by the condensation of dialkyltin oxides with hydroxycarboxylic acids, substituted aminocarboxylic acids and a Schiff base in benzene and characterized by IR and mass spectra.
ChemInform Abstract: A Comparison of the Efficiencies of Polymer‐Supported Phosphine and Phosphine Oxide Complexes of Manganese(II), MnX2(Pol‐C6H4PPh2) and MnX2(Pol‐C6H4P(O)Ph2)n (n: 2 or 4; X: Cl, Br, or I), for the Absorption of Sulfur Dioxide.
Authors: BOOTH B. L. , LI K.‐S. , MCAULIFFE C. A. 
Published: May 2016

AbstractThe title complexes absorb SO2 either when suspended in a mixture of toluene and dichloromethane (60:40) or in the solid state.
ChemInform Abstract: Evidence for Differing Ion‐Pair Precursor Structures in the Oxidation of Cobalt(II) Amine Derivatives by (Co(edta))‐.
Authors: LAPPIN A. G. , MARUSAK R. A. , OSVATH P. 
Published: May 2016

AbstractOxidation of racemic (Ia) by optically active Δ‐(II) results in formation of an enantiomeric excess around 10% of Λ‐(Ib), a ΔΛ interaction at 25 °C. This chiral induction is attributed to stereoselectivity in the formation of the ion‐pair precursor to electron transfer since the ion‐pair formed between the isostructural complexes (Ib) and (II) also shows a ΔΛ preference.
ChemInform Abstract: Binuclear Copper(I) Complexes of a 24‐Membered Macrocycle (L1) Derived from 2,5‐Diformylthiophene and 3‐Thiapentane‐1,5‐diamine. Crystal and Molecular Structure of (Cu2L1(NCS)) (ClO4): A Unique Example of a Single End‐to‐End Bridging Thiocyanate Between Copper(I) Atoms.
Authors: LAVERY A. , NELSON S. M. , DREW M. G. B. 
Published: May 2016

AbstractThe title macrocycle (III) can be prepared in a metal‐free non‐template synthesis.
ChemInform Abstract: Chemical, Structural, and Electrical Property Studies on the Fluorination of the 90 K Superconductor YBa2Cu3O6.8.
Authors: WANG H. H. , KINI A. M. , KAO H.‐C. I. , APPELMAN E. H. , THOMPSON A. R. , BOTTO R. E. , CARLSON K. D. , WILLIAMS J. M. , CHEN M. Y. , SCHLUETER J. A. , GATES B. D. , HALLENBECK S. L. , DESPOTES A. M. 
Published: May 2016

AbstractIn an attempt to introduce fluorine into the superconducting YBa2Cu3Ox perovskites by mixing BaF2 with Y2O3, CuO, and BaCO3, 95% of the BaF2 remains unreacted.
ChemInform Abstract: The Electrochemical Behavior of Some Lead Alloys
Authors: IJOMAH M. N. C. 
Published: May 2016

Abstractincluding binary Pb‐Li, Pb‐Sn, Pb‐Sb, and quinary Pb‐(Al, Mg, Sn, Li) has been investigated in 30% H2SO4 using a Hg/HgSO4 reference electrode.
ChemInform Abstract: Synthesis of γ‐Type CMD from Dense MnCO3.
Authors: TANABE I. , MIYAMOTO N. , NAGAURA T. , HAYASHI N. 
Published: May 2016

AbstractThe synthesis of chemical manganese dioxide (CMD) having a high density and a well‐developed γ‐type crystal structure is achieved by treating dense MnCO3 with an aqueous solution of caustic soda.
ChemInform Abstract: Nucleophilic Substitution in Aromatic Compounds Containing Fluorinated Substituents. Part 10. Reactions of 2,4,6‐Trichloro‐ and 2,6‐Dichloro‐3,5‐bis(trifluoromethylsulfonyl)nitrobenzenes with Nucleophilic Agents.
Authors: BOIKO V. N. , GOGOMAN I. V. , SHCHUPAK G. M. , YAGUPOL'SKII L. M. 
Published: May 2016

AbstractThe chlorine atoms of the title compounds (I) and (XIII) are activated by the neighboring and strongly electrophilic trifluorosulfonyl (Tf) and nitro groups and, hence, are easily accessible to substitution by nucleophiles.
ChemInform Abstract: Substituent Effects on the Efficiencies and Regioselectivities of the Di‐π‐methane Rearrangement of Vinyl‐Substituted Bicyclic Systems.
Authors: HEMETSBERGER H. , NOBBE M. 
Published: May 2016

AbstractThe photochemical behavior of the dihydrobenzobarrelenes (I) and the benzonorbornadienes (V) is studied.
ChemInform Abstract: Intramolecular End‐to‐End Reactions of Photoactive Terminal Groups Linked by Polymethylene Chains.
Authors: ASHIKAGA K. , ITO S. , YAMAMOTO M. , NISHIJIMA Y. 
Published: May 2016

AbstractThe photoreaction sensitized by benzophenone leads to dimeric and oligomeric anti‐fused products of intermolecular interaction and to the product (II) of the title reaction via the excited triplet state of the chromophore of (I).
ChemInform Abstract: Homogeneous Catalysis of Mixed‐Metal Systems. Highly Regioselective Hydroformylation‐Amidocarbonylation of a Fluoro Olefin Catalyzed by Co‐Rh Mixed‐Metal Systems. Observation of CoRh(CO)7 Catalysis.
Authors: OJIMA I. , OKABE M. , KATO K. , KWON H. B. , HORVATH I. T. 
Published: May 2016

AbstractThe hydroformylation‐amidocarbonylation of the fluoroolefin (I) with the components (II), (III), and H2 catalyzed by Co(CO)8‐rhodium carbonyl systems (such as that shown in the reaction in the scheme or the species (VII)‐(IX)) proceeds in a highly regioselective manner to give mainly the product (V).
ChemInform Abstract: A Convenient Method of Preparation of the 1,1‐Dimethyl Acetals of 4‐Oxoalkanals from Carboxylic Acid Esters.
Authors: KULINKOVICH O. G. , TISHCHENKO I. G. , SVIRIDOV S. V. 
Published: May 2016

AbstractThe dibromocyclopropane (I) is converted to the lithium derivative (II).
ChemInform Abstract: Cyclopropanation of Allenes by Diazomethane in the Presence of Palladium(II) Compounds.
Authors: ZEFIROV N. S. , LUKIN K. A. , TIMOFEEVA A. YU. 
Published: May 2016

AbstractThe cyclopropanation of the unsymmetrically substituted allenes (Ia), (Ib) and (V) is accomplished by the decomposition of diazomethane (II) in the presence of Pd(II) compounds to yield the methylenecyclopropanes (IIIa), (IIIb) or (VI), which result by cyclopropanation of the less substituted carbon‐carbon double bond of the starting allenes.
ChemInform Abstract: Formation of Imidazoline Derivatives from Dimethyl (2,2‐Dimethylhydrazino)succinate and Allyl or Phenyl Isothiocyanate.
Authors: BREMANIS G. A. , KEMME A. A. , KALVIN'SH I. YA. , LIEPIN'SH E. E. , LUKEVITS E. , BLEIDELIS YA. YA. 
Published: May 2016

AbstractInstead of the expected thiosemicarbazides, the imidazoline derivatives (III) and (IV) are formed during the reaction of the hydrazinosuccinate (I) with the isothiocyanates (II).
ChemInform Abstract: Applications of the Fluorinated 1,3‐Dipolar Compounds as Building Blocks of the Heterocycles with Fluorine Groups. Part 11. Synthesis of Trifluoromethyltriazoles from Trifluoroacetohydrazonoyl Bromide.
Authors: TANAKA K. , HONDA O. , MINOGUCHI K. , MITSUHASHI K. 
Published: May 2016

AbstractTrifluoroacetohydrazonoyl bromide (I) is the precursor of the nitrilimine (II) which undergoes various cycloaddition reactions with dipolarophiles such as the iso(thio)cyanates (III), (VI), (XI), and (XIII), producing azole derivatives.
ChemInform Abstract: Chemistry of Bis‐spiroacetals. Synthesis of the 1,6,8‐Trioxadispiro(4.1.5.3)pentadecane Ring System.
Authors: BAKER R. , BRIMBLE M. A. 
Published: May 2016

AbstractThe conversion of acetals (VI), (VIII) and (XI) (all obtained from (I) via the key step (II) → (V)) to the title system is explored.
ChemInform Abstract: Ligand Exchange and Ligand Coupling via the σ‐Sulfurane Intermediate in the Reaction of Alkyl 2‐Pyridyl Sulfoxide with Grignard Reagents: Convenient Preparation of 2,2′‐Bipyridines.
Authors: OAE S. , KAWAI T. , FURUKAWA N. 
Published: May 2016

AbstractThe substituted methyl 2‐pyridyl sulfoxides (I) react with the Grignard compounds (II) to give the 2,2'‐bipyridines (III).
ChemInform Abstract: Reaction of 5‐(Substituted‐Amino)oxazoles with N‐Phenylmaleimide.
Authors: SHIMADA S. 
Published: May 2016

AbstractThe 5‐aminooxazole (III), prepared from the N‐formyl‐2‐amino nitrile (I) and acetic anhydride (II), undergoes Diels‐Alder addition reaction with N‐phenylmaleimide (IV) to give the tricyclic compound (V).
ChemInform Abstract: Pyrimidines. Part 9. Chlorination of 6‐Trifluoromethyluracil with Phosphorus Oxychloride in the Presence of Trialkylamines.
Authors: GERSHON H. , GREFIG A. T. , CLARKE D. D. 
Published: May 2016

AbstractChlorination of 6‐trifluoromethyluracil (I) with phosphorus oxychloride in the presence of the tertiary amines (II) gives mixtures of the dichlorotrifluoromethylpyrimidine (III) and the aminated chlorotrifluoromethylpyrimidines (IV) and (V).
ChemInform Abstract: Adduct Formation between Amines and Liquid Ammonia. Part 47. On the Chichibabin Amination of Pyrimidine and N‐Alkylpyrimidinium Salts Using Liquid Ammonia/Potassium Permanganate.
Authors: BUURMAN D. J. , VAN DER PLAS H. C. 
Published: May 2016

AbstractReaction of the pyrimidines (Ib) ‐ (Ie) with potassium amide (II) in liquid ammonia yields the 6‐aminopyrimidines (III).
ChemInform Abstract: Synthesis of Perhydro‐2(1H)‐quinoxalinones and Perhydropyrrolo(1,2‐a)quinoxalin‐4(5H)‐one Derivatives.
Authors: REES D. C. 
Published: May 2016

AbstractThe azabicycloheptanes (I) react with the amino acids (II), (VI), or (IX) under ring expansion, yielding the quinoxalinones (III), (VII), and (VIII), or (X) and (XI).
ChemInform Abstract: Fused v‐Triazoloheterocycles. Part 2. Synthesis of 4H‐v‐Triazolo‐(1,5‐d)(1,3,4)oxadiazin‐4‐ones from the 1‐Aroylamino‐v‐triazole‐5‐carboxylic Acids.
Authors: RODIOS N. A. 
Published: May 2016

AbstractThe triazolylisoimides (I) undergo acidic hydrolysis to give the hydrazides (II).
ChemInform Abstract: Preparation of the First Stable Formylsilane, (Me3Si)3SiCHO, from a Zirconium η2‐Silaacyl Complex.
Authors: ELSNER F. H. , WOO H.‐G. , TILLEY T. D. 
Published: May 2016

AbstractTreatment of the η2‐silaacyl‐Zr complex (III), obtained according to the scheme, with anhydrous HCl (IV) gas yields the wanted title compound (V) and the zirconocene dichloride (VI).
ChemInform Abstract: Retrodienic Reactions. Part 2. Vinyl‐ and Propenylphosphines: Synthesis by Flash Vacuum Thermolysis and Characterization.
Authors: LASNE M.‐C. , RIPOLL J.‐L. , THUILLIER A. 
Published: May 2016

AbstractThe Diels‐Alder reaction of phosphonates (I), (VIII) and (XII) with dienes (II), (IX) and (XIII) yields adducts such as (III), (X) and (XIV).
ChemInform Abstract: Regioselective Oxyselenenylation.
Authors: TORU T. , YAMADA Y. , MAEKAWA E. , UENO Y. 
Published: May 2016

Abstract2‐Hydroxy‐ or 2‐methoxymercurials (II) which are obtained in a known manner from the corresponding olefins (I) react with the selenenyl derivatives (III) to produce the selenenyl compounds (IV).
ChemInform Abstract: The Structure of the Diazonium Coupling Products of Phenacyl Thiocyanate and Phenacyl Selenocyanate with Diazotized 3‐Phenyl‐5‐aminopyrazole.
Authors: FARAG A. M. , FAHMI A. A. , ABDELHAMID A. O. , SHAWALI A. S. , ALGHARIB M. S. 
Published: May 2016

AbstractThe pyrazolediazonium salt (I) reacts with phenacyl thiocyanate (IIa) or phenacyl selenocyanate (IIb) to give the pyrazolylthia‐ and ‐selenadiazoles (IV) via the intermediate hydrazones (III).
ChemInform Abstract: Highly Reduced Organometallics. Part 20. The First General Synthetic Route to Zerovalent Titanium Carbonyls. Synthesis and Properties of Ti(CO)5(Me2PCH2CH2PMe2).
Authors: CHI K. M. , FRERICHS S. R. , STEIN B. K. , BLACKBURN D. W. , ELLIS J. E. 
Published: May 2016

AbstractThe title complex (V) is prepared according to the scheme and characterized by IR, 1H, 31P, and 13C NMR spectroscopy.
ChemInform Abstract: Synthesis and Reactions of d0 Imido Aryl Derivatives of Chromium, Molybdenum, and Tungsten. Crystal Structures of Cr(NtBu)2(C6H2Me3‐2,4,6)2, Mo(NtBu)2(C6H3Me2‐2,6)2, and Cr(NtBu)2(C(C6H2Me3‐2,4,6)=NtBu)(C6H2Me3‐2,4,6).
Authors: SULLIVAN A. C. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B. 
Published: May 2016

AbstractThe imido aryl complexes (III) are prepared and characterized by the crystal structure determinations of (IIIa) (space group P21/n, Z=4) and (IIIb) (space group Pbca, Z = 8).
ChemInform Abstract: Nickel‐Iridium Carbonyl Clusters. Synthesis and Solid‐State Structure of the Trianion (Ir3Ni6(μ‐CO)6(μ3‐CO)2(CO)9)3‐. The First Example of a Mixed Iridium‐Nickel Carbonyl Cluster.
Authors: DELLA PERGOLA R. , GARLASCHELLI L. , DEMARTIN F. , MANASSERO M. , MASCIOCCHI N. , LONGONI G. 
Published: May 2016

AbstractThe title trianion is formed by reacting a large excess of Ni(CO)4 with Na(Ir(CO)4) at 60 °C in THF and isolated as the tetra‐n‐propylammonium salt (Ia).
ChemInform Abstract: Chemistry of Enol Ethers. Part 80. Heptadienedial Derivatives in the Synthesis of Tetracarbocyanine Dyes.
Authors: MAKIN S. M. , KRUGLIKOVA R. I. , SHAVRYGINA O. A. , KOLOBOVA T. P. , KHARITONOVA O. V. 
Published: May 2016

AbstractThe condensation reaction between the alkoxyheptadienedial acetals (II) or the alkoxyheptadial derivative (IV) and the quaternary ammonium iodides (I), (VI), (VIII) or (X) affords the tetracarbocyanine dyes (III), (V), (VII), (IX) or (XI).
ChemInform Abstract: Bicyclo(2.2.1)heptane as Cyclopentane Precursor. Synthesis of Benzhydropentalenes en Route to Terpenoids.
Authors: ROY S. S. , GHOSH S. 
Published: May 2016

AbstractThe transformation of the bicycloheptane derivative (IIIa), prepared from the compounds (I) + (II), to two cyclopentanoid derivatives (VIII) and (XIII) is described.
ChemInform Abstract: Synthesis of 1‐Aminocyclopropenecarboxylic Acid: The Unsaturated Analogue of ACC.
Authors: WHEELER T. N. , RAY J. 
Published: May 2016

AbstractThe unsaturated analogue (XIII) of ACC is prepared from the bissilylacetylene (I) and dimethyl diazomalonate (II) in nine steps.
ChemInform Abstract: Prostanoids. Part 21. Synthesis of α‐Penta‐nor‐benzo Analogues of Prostaglandins.
Authors: MIFTAKHOV M. S. , AKBUTINA F. A. , TOLSTIKOV A. G. , ANPILOGOV A. P. , TOLSTIKOV G. A. 
Published: May 2016

AbstractOzonolysis of indene (I) under controlled conditions yields the acid (II), which is converted to its methyl ester (IV).
ChemInform Abstract: Synthesis of rac‐ and ent‐Fridamycin E.
Authors: KROHN K. , BALTUS W. 
Published: May 2016

AbstractRacemic fridamycin ((±)‐(VII)) is prepared from the esters (Va) or (Vb) which, in turn, are available from the compounds (I) and (II) or (I) and (VI), respectively.
ChemInform Abstract: Electrochemical Characteristics of Amorphous Titanium Carbide Films Produced by Low‐Temperature Metal‐Organic Chemical Vapor Deposition (MOCVD).
Authors: ALLOCA C. M. , WILLIAMS W. S. , KALOYEROS A. E. 
Published: May 2016

AbstractA comparative potentiodynamic study is carried out for amorphous TiC films prepared by either electron beam vaporization (EBV) or by MOCVD using Ti(bipy)3 or (Me3CCH2)4Ti and for bulk polycrystalline TiC.
ChemInform Abstract: Laser‐Induced Optical Emission Studies of Eu3+ Sites in Polycrystalline Powders of Monoclinic and Body‐Centered Cubic Eu2O3.
Authors: SHENG K. C. , KORENOWSKI G. M. 
Published: May 2016

AbstractFor polycrystalline powders of monoclinic Eu2O3, the f‐f emission spectrum is found to result from three distinct Eu3+ sites of Cs site symmetry (5D0 → 7FJ for J = 0, 1, 2).
ChemInform Abstract: Structure and Magnetic Properties of Two Niobium Chlorides with /Nb6Cl12/n+ (n = 2, 3) Units: KLuNb6Cl18 and LuNb6Cl18.
Authors: IHMAINE S. , PERRIN C. , PENA O. , SERGENT M. 
Published: May 2016

AbstractThe isotypic title chlorides, obtained from stoichiometric portions of KCl, LuCl3, NbCl5, and Nb at 800 °C or of LuCl3, NbCl5, and Nb at 750 °C crystallize in the rhombohedral system, space group R3, Z=1.
ChemInform Abstract: Energy Transfer in the System Ca3La2W2O12: Mn, Nd, Yb.
Authors: HIRRLE R. , KEMMLER‐SACK S. 
Published: May 2016

AbstractOn coactivation of Ca3La2W2O12 with Mn4+ and Nd3+ or Mn4+ and Yb3+, resp., an energy transfer Mn4+ → Nd3+ or Mn4+ → Yb3+ is observed for the first time.
ChemInform Abstract: The Lithium Sodium Silicide Li3NaSi6 and the Formation of allo‐Silicon.
Authors: VON SCHNERING H. G. , SCHWARZ M. , NESPER R. 
Published: May 2016

AbstractMetallic grey Li3NaSi6, the long‐searched‐for starting material for the preparation of (metastable) allo‐Si, is obtained by heating stoichiometric amounts of the elements.
ChemInform Abstract: Synthesis and Crystal Structure of K4Au6S5 ‐ A Thioaurate with Anionic (Au6S5) Groups.
Authors: KLEPP K. O. , BRONGER W. 
Published: May 2016

AbstractGreen‐yellow crystals of the title compound are prepared by reaction of K2S with Au and S (2:6:3, 600 °C, a few days, cooling rate 2 °C/h).
ChemInform Abstract: An “Unsuccessful” Synthesis: On K4Li(IO6) (I) and K5I2(AuO2) (II).
Authors: HOPPE R. , SCHNEIDER J. 
Published: May 2016

AbstractIn an attempt to synthesize K4Li(IO5) by heating mixtures of K2O and LiIO3 (2.2:1, sealed Au‐tube, 700 °C, 30 d), single crystals of the new periodate (I) and (II) are obtained by disproportion.
ChemInform Abstract: Effects of Ion Aggregation on the Intervalence Transfer Band of the Mixed‐Valence Biferrocenium Cation in Solution.
Authors: LOWERY M. D. , HAMMACK W. S. , DRICKAMER H. G. , HENDRICKSON D. N. 
Published: May 2016

AbstractFrom the concentration dependence of the energy of the intervalence transfer (IT) electronic absorption band of mixed‐valence biferrocenium triiodide examined in either nitrobenzene or CH2Cl2 it is concluded that in the 0.24‐24 mM concentration range the IT band contour in nitrobenzene is likely a superposition of variable amounts of two IT bands, one for an ion‐paired cation and the other for a non‐ion‐paired cation.
ChemInform Abstract: Bis(trifluoromethyl)sulfine, (CF3)2C=SO: Addition Reactions with Thiols, Amine N‐Oxides, Ethers, and 1,3‐Dipoles.
Authors: SCHWAB M. , SUNDERMEYER W. 
Published: May 2016

AbstractThe sulfine (I) reacts with the thiols (II) via the sulfinic acid S‐esters (III) as intermediates to give the disulfanes (IV).
ChemInform Abstract: Multi‐Step Inverse Diels‐Alder Reactions of 1,3‐Dimethyl‐2‐methyleneimidazolidine with Methyl 2,4‐Hexadienoates.
Authors: HEUSCHMANN M. 
Published: May 2016

AbstractThe imidazolidine (I) and ester (II) form reversibly diastereomeric cycloadducts (V), which slowly rearrange reversibly to give (VI) and (VII), and Michael adducts (III), (IV), and (VIII).
ChemInform Abstract: A Lewis Acid‐Catalyzed Procedure for the Conversion of 2‐Methoxyethoxymethyl Ethers to Carboxylic Esters.
Authors: GROSS R. S. , WATT D. S. 
Published: May 2016

AbstractThe 2‐methoxyethoxymethyl ethers (I) are selectively cleaved with acetic anhydride (II) in the presence of ferric chloride, producing the acetates (III).
ChemInform Abstract: Magnesium‐Anthracene Systems. Part 4. Dehalogenation of Geminal Dihalocyclopropanes, α,α‐Dichlorocyclobutanones, and Haloketones by Means of Magnesium Anthracene·3 THF.
Authors: BOGDANOVIC B. , SCHLICHTE K. , WESTEPPE U. 
Published: May 2016

AbstractThe dichlorocyclopropane (I) reacts with the title compound (II) to yield the products of dehalogenation (III) and (IV) and of alkylation (V) and (VI) together with a variety of other compounds.
ChemInform Abstract: A Facile Method for the Fluorine Substitution of Phenylthio Group via Sulfonium Salts Using Cesium Fluoride.
Authors: ICHIKAWA J. , SUGIMOTO K. , SONODA T. , KOBAYASHI H. 
Published: May 2016

AbstractThe benzyl thioethers (I) react with methyl fluorosulfate (II) and cesium fluoride (IV) to give benzyl fluoride (V) via the intermediate sulfonium salts (III).
ChemInform Abstract: Carbon‐Carbon Bond‐Forming Reactions of Zinc Homoenolate of Esters. A Novel Three‐Carbon Nucleophile with General Synthetic Utility.
Authors: NAKAMURA E. , AOKI S. , SEKIYA K. , OSHINO H. , KUWAJIMA I. 
Published: May 2016

AbstractReaction of the siloxycyclopropanes (I) with ZnCl2 (II) yields the zinc homoenolates (III), which in the presence of suitable catalysts and additives undergo a variety of carbon‐carbon bond‐forming reactions to give the products of conjugate addition (VI), SN2'‐allylation (VIII), arylation (XI), catalytic homo‐Reformatsky reaction (XIII) or C‐acylation (XV).
ChemInform Abstract: Novel Deuteration via Acetylene Bond Migration.
Authors: TAKANO S. , SEKIGUCHI Y. , SHIMAZAKI Y. , TAKAHASHI M. , OGASAWARA K. 
Published: May 2016

AbstractThe terminal acetylenic alcohol (III), prepared from the oxirane (I) and lithium acetylide (II), is isomerized with potassium tert‐butoxide in DMSO to form the alcohol (IV).
ChemInform Abstract: Anti Stereochemistry in SE′′ Reaction of an Optically Active 2,4‐Dienylsilane.
Authors: HAYASHI T. , MATSUMOTO Y. , ITO Y. 
Published: May 2016

AbstractThe heptadienylsilane (I) reacts with acetyl chloride (II) in the presence of AlCl3 to produce the acetylated compounds (III) and (IV) and the desilylated diene (V).
ChemInform Abstract: Asymmetric Synthesis. Part 4. Enantioselective Synthesis of (R)‐Benzylic Amines via Alkylation of D‐Camphor Ketimine.
Authors: JIANG Y. , LIU G. , LIU J. , ZHOU C. 
Published: May 2016

AbstractThe chiral ketimine (III), prepared from D‐camphor (I) and benzylamine (II), is lithiated and then selectively coupled with the halides (IV) to produce the α‐substituted ketimines (V).
ChemInform Abstract: The Preparation of Tetracyclones via Phase‐Transfer Catalysis and Ultrasonic Irradiation.
Authors: REEVES W. P. , WILLIAMSON B. L. 
Published: May 2016

AbstractCyclocondensation of 1,3‐diphenylacetone (I) with the benzils (IIa) (IId) in the presence of potassium hydroxide, a phase‐transfer catalyst and ultrasound produces the tetraphenylcyclopentadienones (IIIa) ‐ (IIId).
ChemInform Abstract: Synthesis, Purification and Spectral Analysis of Mononitrocyclopenta(cd)pyrenes.
Authors: VAN DEN BRAKEN‐VAN LEERSUM A. M. , SPIJKER N. M. , LUGTENBURG J. , CORNELISSE J. 
Published: May 2016

AbstractIn view of their biological activity, the title compounds (III) and (IX) are prepared by direct nitration or via nitration of partially hydrogenated cyclopentapyrene derivatives with HNO3 (V) or, in the case of (IX), with Cu(NO3)2 (VIII) followed by oxidation.
ChemInform Abstract: A Straightforward‐Synthesis of Allyl Amines from α‐Amino Acids without Racemization.
Authors: MORIWAKE T. , HAMANO S. , SAITO S. , TORII S. 
Published: May 2016

AbstractThe N‐protected amino esters (I) are reductively converted to the aldehydes (II) which are olefinated with methylene iodide (III) and Zn in the presence of trimethylaluminum, yielding the allylic amines (IV).
ChemInform Abstract: Synthesis and Structure of Hydroxyisoxazolidines from Hydroxylamine Derivatives and Alkenals.
Authors: ZELENIN K. N. , MOTORINA I. A. , SVIRIDOVA L. A. , BEZHAN I. P. , ERSHOV A. YU. , GOLUBEVA G. A. , BUNDEL' YU. G. 
Published: May 2016

AbstractCondensation reaction of the phenylhydroxylamines or hydroxamic acids (II) with the alkenals (III) leads to the formation of the 5‐hydroxy‐ (I) or the 3‐hydroxyisoxazolidines (IV), depending on R1.
ChemInform Abstract: α,β‐Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. Part 13. A Novel Method of Annulation through α,β‐Epoxy Sulfoxides with the Acid of Intramolecular Radical Cyclization.
Authors: SATOH T. , ITOH M. , YAMAKAWA K. 
Published: May 2016

AbstractThe 1‐chloro‐vω‐(phenylselenenyl)alkyl phenyl sulfoxides (I) are coupled with the cyclic ketones (II) in the presence of a base to form the spiro‐fused epoxides (III) which are cleaved, yielding the enones (IV).