bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Sulfur Compounds. Part 128. Synthesis and Structure of ((C5H5)2TiS4AsCH3) ‐ A New Reagent for the Synthesis of Sulfur‐Rich Heterocycles.
Authors: STEUDEL R. , HOLZ B. , PICKARDT J. 
Published: May 2016

AbstractThe title compound (III) (space group P21/c, Z=4) is obtained according to the scheme.
ChemInform Abstract: Aziridination of Vinylsilanes and Vinylstannanes: A New Synthesis of Azirines.
Authors: ATKINSON R. S. , KELLY B. J. 
Published: May 2016

AbstractOxidation of the N‐aminoquinazoline (I) with lead tetraacetate (II) gives the intermediate (III) which reacts with the vinylsilanes (IVa), (IVb), and the vinylstannanes (IVc) ‐ (IVe), producing the aziridines (V).
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 88. Carbaboranetungsteniridium Compounds; Crystal Structure of the Complex (WIr(μ‐CC6H4Me‐4)(CO)2(PEt3)2(η5‐C2B9H9Me2)).
Authors: JEFFERY J. C. , RUIZ M. A. , SHERWOOD P. , STONE F. G. A. 
Published: May 2016

AbstractThe reaction between the carbyne complex (I) and the Ir‐complex (II) in THF affords the complex (IIIa).
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 89. Tetra‐ and Pentanuclear Tungsten‐Rhodium Complexes: Crystal Structures of (W3Rh2(μ‐CO)2(μ‐CMe)(μ‐C(Me)C(O))(μ‐PPh2)2(μ3‐CMe)(CO)2(η‐C5H5)3) and (W3Rh2(μ‐CO)3(μ‐CMe)(μ‐C(Me)PPh2)(μ3‐CMe)(CO)2(η‐C5H5)3).
Authors: DAVIES S. J. , HOWARD J. A. K. , PILOTTI M. U. , STONE F. G. A. 
Published: May 2016

AbstractDepending on the molar ratio of the reactants the reaction of the Rh‐dimer (I) with the alkylidyne complex (II) yields the products (III), (IV), (V) and (VI) (space group P1, Z=2).
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 90. Synthesis of the Complexes (W2M2(μ‐CO)(μ‐CMe)(μ3‐CMe)(μ‐PPh2)2(CO)3(η‐C5H5)2) (M: Rh or Ir) and Related Tetra‐ and Pentanuclear Metal Compounds; Interconversion of Ketenyl and λ5‐Phosphaalkyne Ligands Bridging Tungsten‐Rhodium Bonds.
Authors: DAVIES S. J. , STONE F. G. A. 
Published: May 2016

AbstractThe reaction between the Ir‐dimer (I) and the alkylidyne complex (II) yielding the complex (III) needs more vigorous conditions than the reaction with the corresponding Rh‐dimer.
ChemInform Abstract: Chemistry of Polynuclear Metal Complexes with Bridging Carbene or Carbyne Ligands. Part 91. Steric Implications in the Reactions of the Complexes (M(CR)(CO)2(η‐C5H5)) (M: Mo or W, R: C6H4Me‐4, C6H4OMe‐2, or C6H3Me2‐2,6) with the Compounds (Mo(CO)3(NCMe)3) and (Cu(thf)(η‐C5Me5)) (thf: tetrahydrofuran); Crystal Structure of (Mo3(μ‐CC6H3Me2‐2,6)2(CO)6(η‐C5H5)2).
Authors: DOSSETT S. J. , HILL A. F. , HOWARD J. A. K. , NASIR B. A. , SPANIOL T. P. , SHERWOOD P. , STONE F. G. A. 
Published: May 2016

AbstractThe substituent Ar in the alkylidyne complexes (I) influences the metal nuclearity of the products obtained with some metal‐ligand fragments.
ChemInform Abstract: Metal‐Stabilized Rare Tautomers of Nucleobases. Part 2. 2‐Oxo‐4‐hydroxo Form of Uracil: Crystal Structures and Solution Behavior of Two Platinum(II) Complexes Containing Iminol Tautomers of 1‐Methyluracil.
Authors: SCHOELLHORN H. + , THEWALT U. , LIPPERT B. 
Published: May 2016

AbstractA model for a metal‐assisted tautomerization of the pyrimidine model nucleobase 1‐methyluracil is presented which, by analogy, could account for mutagenic AT → GC or GC → AT transition in DNA.
ChemInform Abstract: Halochromic Molecules. Part 8. Synthesis and Acidobasic Properties of 3′‐Substituted 6,11‐Dihydrospiro((1)benzopyrano(4,3‐b)indole‐6,9′‐9′H‐xanthenes).
Authors: GUNZENHAUSER S. , BALLI H. 
Published: May 2016

AbstractA variety of ca. 15 members of the title compounds such as (IV) are synthesized.
ChemInform Abstract: Preparation and Characterization of New Analogues of Dalargin.
Authors: POSPISEK J. , BARTH T. , BESPALOVA Z. D. , TITOV M. I. , MASKOVA H. P. , MOLOKOEDOV A. S. , SEPETOV N. F. 
Published: May 2016

AbstractThe peptides (Ia) and (Ib) are prepared by fragment condensation in solution.
ChemInform Abstract: Synthesis of 2‐Acyl‐4‐hydroxy‐1,3‐cyclohexanediones.
Authors: LAKHVICH F. A. , LIS L. G. , RUBINOV D. B. , RUBINOVA I. L. , AKHREM A. A. 
Published: May 2016

AbstractSeveral pathways leading to the formation of the 2‐butanoyl‐4‐hydroxy‐1,3‐cyclohexanedione (IV) are described.
ChemInform Abstract: Enantiospecific Synthesis of (‐)‐(1R,3R,5S)‐1,3‐Dimethyl‐2,9‐dioxabicyclo(3.3.1)nonane.
Authors: MASONI C. , DESCHENAUX P.‐F. , KALLIMOPOULOS T. , JACOT‐GUILLARMOD A. 
Published: May 2016

AbstractThe isomer (VI) of the title compound, which has been isolated from the Norwegian pine infested with the scarab Trypodendron lineatum oliv., is prepared starting from the ester (I) using a simple method.
ChemInform Abstract: Unsaturated 1,4‐cis and 1,4‐trans‐Diaminotetradeoxycycloheptites ‐ Enantiomerically Pure, Polyfunctionalized Tropa Derivatives by Enzymatic Hydrolysis.
Authors: FALK‐HEPPNER M. , KELLER M. , PRINZBACH H. 
Published: May 2016

AbstractA variety of optically active title compounds such as the sannamine and sporamine aminoglycoside antibiotic analogues (V) or (X) are prepared starting from the tropone derivative (I), the key step being the enzymatic hydrolysis of the "frontal" acetate group in the meso‐diacetates (II).
ChemInform Abstract: Intramolecular Cyclization and Cytotoxicities of Some Mannich Bases of Styryl Ketones.
Authors: DIMMOCK J. R. , ERCIYAS E. , BIGAM G. E. , KIRKPATRICK D. L. , DUKE M. M. 
Published: May 2016

AbstractOf the title compounds (I) and (III), only the former undergo cyclization to (II) (previously reported for some analogous derivatives), with the extent of cyclization depending on the steric and electronic properties of the amino units.
ChemInform Abstract: Combining Spontaneous Molecular Assembly with Microfabrication to Pattern Surfaces: Selective Binding of Isonitriles to Platinum Microwires and Characterization by Electrochemistry and Surface Spectroscopy.
Authors: HICKMAN J. J. , ZOU C. , OFER D. , HARVEY P. D. , WRIGHTON M. S. , LAIBINIS P. E. , BAIN C. D. , WHITESIDES G. M. 
Published: May 2016

AbstractThe selective modification of the Pt microelectrodes of a microfabricated array by using the redox reagents (I) having an isonitrile functional group is reported.
ChemInform Abstract: AES and TDS Study of the Adsorption of NH3 and NO on V2O5 and TiO2 Surfaces: Mechanistic Implications.
Authors: ODRIOZOLA J. A. , HEINEMANN H. , SOMORJAI G. A. , GARCIA DE LA BANDA J. F. , PEREIRA P. 
Published: May 2016

AbstractAuger electron spectroscopy (AES) and thermal desorption spectroscopy (TDS) are used to study the adsorption of NH3 and NO on the title supports at pressures and temp. close to those used in industry for the NO reduction with NH3 over V2O5/TiO2 catalysts (∼25 torr, 20‐675 K).
ChemInform Abstract: Ligand‐Ligand Interactions in Metal Complexes. Thermodynamic and Spectroscopic Investigation of Simple and Mixed Copper(II) and Zinc(II) Substituted‐Malonate Complexes with 2,2′‐Bipyridyl in Aqueous Solution.
Authors: AMICO P. , BONOMO R. P. , CALI R. , CUCINOTTA V. , DANIELE P. G. , OSTACOLI G. , RIZZARELLI E. 
Published: May 2016

AbstractPotentiometric and calorimetric methods are used to investigate the influence of side‐chain residues on the thermodynamic properties of simple and mixed complexes.
ChemInform Abstract: Various Chiral Dialkoxy Titanium Complexes as an Asymmetric Catalyst for Glyoxylate‐Ene Reaction.
Authors: MIKAMI K. , TERADA M. , NAKAI T. 
Published: May 2016

AbstractVarious catalysts, prepared in situ from chiral diols and (iPr‐O)2TiCl2, are used in the reaction of glyoxylates with olefins.
ChemInform Abstract: A High Cis‐Stereoselectivity in the Hydrogenation of 6‐tert.‐Butyltetrahydropyran‐3‐one (I) and 2‐tert.‐Butyl‐1,3‐dioxan‐5‐one (III).
Authors: SENDA Y. , TERASAWA T. , ISHIYAMA J. , KAMIYAMA S. , IMAIZUMI S. 
Published: May 2016

AbstractCatalytic hydrogenation of the title compounds (I) and (III) leads to alcohols (II)/(IV) in high cis‐selectivity (70‐96% and 88‐100%, respectively, when 50% of substrates (I)/(III) are consumed), regardless of the catalyst metals used (e.g., Raney Co, Raney Ni, Rh‐, Pd‐, Pt‐black as well), except with Os‐black (only 66/67% of cis‐alcohols (II)/(IV)).
ChemInform Abstract: Photochemistry of Polychromophoric Arylamines.
Authors: YANG N. C. , MINSEK D. W. , JOHNSON D. G. , LARSON J. R. , PETRICH J. W. , GERALD R. III , WASIELEWSKI M. R. 
Published: May 2016

AbstractPhotoexcited trichromophoric arylamines (II) may form either binary or ternary exciplex in saturated hydrocarbons.
ChemInform Abstract: A Distillable C‐ and N‐Silylated Nitrilimine.
Authors: CASTAN F. , BACEIREDO A. , BERTRAND G. 
Published: May 2016

AbstractThe nitrilimine (III) is stable enough to be purified by distillation at 90‐100 °C/0.15 torr without any noteworthy decomposition.
ChemInform Abstract: Mechanism of the Ionic Halogenation of Adamantane and Its Derivatives.
Authors: YURCHENKO A. G. , KULIK N. I. , KUKHAR' V. P. , D'YAKOVSKAYA V. M. , BAKLAN V. F. , FOKINA N. A. 
Published: May 2016

AbstractTreatment of the adamantanes with excess iodine chloride or bromide gives the monohalo (II) or the dihaloadamantanes (III) depending on the conditions.
ChemInform Abstract: Tetrachlorosilane‐Catalyzed Dithioacetalization.
Authors: KU B. , OH D. Y. 
Published: May 2016

AbstractThe thioacetalization of various aldehydes, e.g. (I) or (VI), with the thiol (II) or the dithiols (IV) is mediated by the addition of 1 equivalent of tetrachlorosilane to produce the acyclic (III) or cyclic dithioacetals (V) or (VII).
ChemInform Abstract: Preparative Synthesis of Isoprene Oxide.
Authors: ARAKELYAN A. S. , DVORYANCHIKOV A. I. , GEVORKYAN A. A. 
Published: May 2016

AbstractIsoprene (I) is treated with hydrogen peroxide and hydrobromic acid to give the bromohydrin (II), together with small amounts of the dibromo compound (III).
ChemInform Abstract: A Convenient Synthesis of 2,2′,6,6′‐Tetramethyl‐4,4′‐bipyridine and Its Oxidation to 2,2′,6,6′‐Tetracarboxy‐4,4′‐bipyridine.
Authors: HUENIG S. + , WEHNER I. 
Published: May 2016

AbstractReductive coupling of 2,6‐dimethylpyridine (I) leads to the disodium tetrahydro‐4,4'‐bipyridinium salt which is oxidized by sulfur dioxide, yielding the tetramethylbipyridine (II).
ChemInform Abstract: α‐Hydroxyalkylation of 3‐Morpholinones with Aromatic Aldehydes and Chloral.
Authors: DOBREV A. , NECHEV L. V. , IVANOV C. 
Published: May 2016

AbstractThe morpholinones (I) are deprotonated with LDA and then coupled with the aldehydes (II) or chloral hydrate (IV), producing the 2‐hydroxyalkyl‐3‐morpholinones (III) and (V).
ChemInform Abstract: Synthesis and Structural Characterization of the Crown Thioether 1,3,6,9,11,14‐Hexathiacyclohexadecane (16S6) and the Copper(I) Complex (Cu(16S6))(ClO4).
Authors: DE GROOT B. , LOEB S. J. 
Published: May 2016

AbstractThe high‐dilution technique can be applied to prepare the crown thioether (III) (space group: P21/n, Z=4).
ChemInform Abstract: A Carotenoporphyrin‐Quinone Triad Designed from a Basket‐Handle Porphyrin: Synthesis and Photoelectrochemical Properties.
Authors: MOMENTEAU M. , LOOCK B. , SETA P. , BIENVENUE E. , D'EPENOUX B. 
Published: May 2016

AbstractThe stable carotenoporphyrin hydroquinone (Ib) and the unstable quinone (Ic) are synthesized starting from the ketone (Ia) via subsequent coupling with the carotene and hydroquinone units.
ChemInform Abstract: An Efficient Synthesis of Silyl Dienol Ethers from α,β‐Unsaturated Aldehydes and Ketones.
Authors: IQBAL J. , KHAN M. A. 
Published: May 2016

AbstractThe enals or enones (I), (IV), or (VI) are treated with chlorotrimethylsilane (II) and sodium bromide in the presence of triethylamine to produce the siloxydienes (III), (V), and (VII), respectively.
ChemInform Abstract: Methanolysis of Dimethyl 1‐Diazo‐2‐oxopropylphosphonate: Generation of Dimethyl Diazomethylphosphonate and Reaction with Carbonyl Compounds.
Authors: OHIRA S. 
Published: May 2016

AbstractTreatment of the phosphonate (I) with potassium carbonate in methanol results in deacetylation, yielding the diazomethylphosphonate (II).
ChemInform Abstract: Proton‐Induced Coupling of one tert.‐Butylisonitrile with one Phenylcarbyne Ligand at Tungsten.
Authors: FILIPPOU A. C. , GRUENLEITNER W. + 
Published: May 2016

AbstractReplacement of picoline in (I) yields the complex (III) or, under more drastic conditions, the carbonyl free carbyne complex (IV).
ChemInform Abstract: Transition‐Metal Complexes with the Thiosemicarbazide‐Based Ligands. Part 10. Complexes of UO2(II) with S‐Methyl‐1,4‐bis(salicylidene)isothiosemicarbazide (H2L): (UO2(L)A) (A: MeOH, EtOH, DMF). Crystal Structure of (UO2(L)DMF).
Authors: LEOVAC V. M. , IVEGES E. Z. , GALESIC N. , HORVATIC D. 
Published: May 2016

AbstractThe pentagonal bipyramidal title complexes (Va) are prepared by condensation of the semicarbazone (I) with salicylaldehyde (III) in the presence of uranyl acetate (II) according to the scheme.
ChemInform Abstract: Synthesis and Structural Characterization of a Trimeric Nickel(II) Complex of N‐(2‐Mercaptopropionyl)glycine.
Authors: BAIDYA N. , OLMSTEAD M. M. , MASCHARAK P. K. 
Published: May 2016

AbstractThe thiolato‐bridged trinuclear Ni(II) complex (III) crystallizes as tri‐methanol‐hemi‐ether solvate in the space group P1 with Z=2.
ChemInform Abstract: Binuclear Phosphido‐Bridged CrPt, MoPt, and WPt Complexes. Synthesis of Cyclic (CO)4M(μ‐PPh2)2Pt(PR3) Complexes and Effect of the M → Pt Donor Bond on the Reactivity of the Carbonyl Ligands.
Authors: POWELL J. , COUTURE C. , GREGG M. R. , SAWYER J. F. 
Published: May 2016

AbstractThe two routes demonstrated in the scheme are used to prepare the title complexes (V).
ChemInform Abstract: Synthesis and Spectroscopic Characterization of Bis‐Pocket Porphyrins: Tetrakis(2,6‐dinitrophenyl)porphyrin and Catalytic Activity of a Manganese(III) Chloride Derivative in Alkane Oxidation.
Authors: QUINTANA C. A. , ASSINK R. A. , SHELNUTT J. A. 
Published: May 2016

AbstractThe free base (I), obtained by a modified literature method, is converted to the derivative (II).
ChemInform Abstract: A One‐Pot Formation of the Analogues of Cherylline‐ and Latifine‐Type 4‐Aryl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: KIHARA M. , IGUCHI S. , IMAKURA Y. , KOBAYASHI S. 
Published: May 2016

AbstractThe aromatic aldehyde (I) is coupled with O‐methyloctopamine hydrochloride (II) and then reduced to give the amino alcohol (III) which does not cyclize upon treatment with conc.
ChemInform Abstract: Synthetic Studies of Erythromycins. Part 4. Total Synthesis of Erythronolide A.
Authors: NAKATA M. , ARAI M. , TOMOOKA K. , OHSAWA N. , KINOSHITA M. 
Published: May 2016

AbstractThe title compound (XI) is the aglycone of erythromycin A, an important macrolide antibiotic.
ChemInform Abstract: Insect Antifeedants from Azadirachta indica. Part 5. Chemical Modification and Structure‐Activity Relationships of Azadirachtin and Some Related Limonoids.
Authors: LEY S. V. , ANDERSON J. C. , BLANEY W. M. , JONES P. S. , LIDERT Z. , MORGAN E. D. , ROBINSON N. G. , SANTAFIANOS D. , SIMMONDS M. S. J. , TOOGOOD P. L. 
Published: May 2016

AbstractChemical modification of the potent insect antifeedant and growth‐disruption agent azadirachtin (Ia) and the related limonoids 3‐tigloyl azadirachtol (Ib) and salannin (II) have permitted an exploration of the biological activity of these compounds.
ChemInform Abstract: Preparation of (R)‐Veratryl‐ and (R)‐(3‐Methoxybenzyl)succinates.
Authors: BARNIER J.‐P. , BLANCO L. , GUIBE‐JAMPEL E. , ROUSSEAU G. 
Published: May 2016

AbstractThe Pseudomonas lipase catalyzed hydrolysis of the racemic cyanomethyl methyl succinates (I) leads in high optical yields to the (R)‐hemiesters (II) suitable for the synthesis of chiral natural products.
ChemInform Abstract: Electroformylation of Organic Halides in N,N‐Dimethylformamide: An Efficient Electrosynthesis of Aldehydes.
Authors: SABOUREAU C. , TROUPEL M. , SIBILLE S. , D'INCAN E. , PERICHON J. 
Published: May 2016

AbstractElectrolysis of the halides (I) with N,N‐dimethylformamide (II) at a stainless steel cathode, coated with a deposit of metallic Cd during the reaction, yields the aldehydes (III).
ChemInform Abstract: The First Synthesis of 4,5‐Di‐tert‐butylpyridazine.
Authors: NAKAYAMA J. , HIRASHIMA A. 
Published: May 2016

AbstractThe bisadduct (III), prepared from the thiophene 1,1‐dioxide (I) and 2 equivalents of the triazolinedione (II), undergoes base‐induced cleavage to give the pyridazine (IV).
ChemInform Abstract: Multinuclear Magnetic Resonance Studies of the Hydrolysis of Aluminum(III). Part 9. Prolonged Hydrolysis with Aluminum Metal Monitored at Very High Magnetic Field.
Authors: AKITT J. W. , ELDERS J. M. , FONTAINE X. L. R. , KUNDU A. K. 
Published: May 2016

AbstractHydrolysis of Al(III) salt solutions by boiling with Al metal is studied by 27Al NMR and, after drying and redissolution in acetone by 1H NMR, both at very high magnetic field.
ChemInform Abstract: Chemical and Electrochemical Behavior in Molten Alkali Hydroxides. Part 3. Chemistry of Tin(II) and (IV) in the NaOH‐KOH Eutectic Mixture and in Pure NaOH.
Authors: CLAES P. , PEETERS G. , GLIBERT J. 
Published: May 2016

AbstractIn molten hydroxides, Sn(II) is unstable and is converted to Sn(IV) at a rate which depends on the temp. and on the acid‐base properties of the melts.
ChemInform Abstract: Properties of Partially Stabilized Zirconia Fuel Cell.
Authors: YOSHIDA T. , HOSHINA T. , MUKAIZAWA I. , SAKURADA S. 
Published: May 2016

AbstractThe electrochemical properties of a solid oxide fuel cell containing a thin sheet of partially stabilized zirconia (PSZ, 3 mol% Y2O3) as electrolyte, a La0.9Sr0.1MnO3 cathode and a Ni/ZrO2 cermet anode are studied.
ChemInform Abstract: Electrocatalytic Activities of Some Codeposited Binary Noble Metal Surfaces Over Carbon Substrates for Anodic Oxidation of Methanol in Alkaline Medium. Part 2. Palladium‐Noble Metal Codeposits.
Authors: GUHA P. K. , BHATTACHARYA A. , KUNDU K. K. 
Published: May 2016

AbstractBinary metal surfaces are generated by codeposition of Pd with other noble metals, viz.
ChemInform Abstract: Kinetics of Hydrolysis of Iodine Monochloride Measured by the Pulsed‐Accelerated‐Flow Method (PAF).
Authors: WANG Y. L. , NAGY J. C. , MARGERUM D. W. 
Published: May 2016

AbstractThe hydrolysis of ICl in water to give HOI and Cl‐ is shown to be 5‐6 orders of magnitude faster (k(H2O) = 2.4·106 s‐1at 25 °C, μ = 0.50) than that of Cl2 and I2, a difference, which is attributed to the dipole moment and polarizability of ICl and to the ease of valence shell expansion of iodine.
ChemInform Abstract: Palladium Acetate‐Mediated Cyclizations of Di‐ and Trifunctional Triarylamines, Diaryl Ethers, and Diaryl Ketones.
Authors: HELLWINKEL D. , KISTENMACHER T. 
Published: May 2016

AbstractThe compounds (I), (III), (VII) are cyclodehydrogenated to the monocyclized products (II), (IV), (VIII) with Pd(O‐Ac)2 in AcOH.
ChemInform Abstract: Wolff Rearrangement of (1‐Diazo‐2‐oxoalkyl) Silanes.
Authors: BRUECKMANN R. + , SCHNEIDER K. , MAAS G. 
Published: May 2016

AbstractPhotochemical decomposition of the title compounds (I) and (III) results in Wolff rearrangement to give the silyl ketenes (II) and (IV).
ChemInform Abstract: Photochemical Conversion of o‐Phenylenediamine (II) and o‐Aminophenol (VI) into Heterocyclics.
Authors: CRANK G. , MAKIN M. I. H. 
Published: May 2016

AbstractPhotooxidation of (II) under aeration leads to phenazine (I), azobenzene (III), or benzimidazoles (V), depending on reaction conditions.
ChemInform Abstract: Kinetic and Mechanistic Investigation of the Sequential Hydrogenation of Phenylacetylene Catalyzed by OsHCl(CO)(PR3)2 (PR3: PMe‐tBu2 and P‐iPr3).
Authors: ANDRIOLLO A. , ESTERUELAS M. A. , MEYER U. , ORO L. A. , SANCHEZ‐DELGADO R. A. , SOLA E. , VALERO C. , WERNER H. 
Published: May 2016

AbstractThe reactivities of the title complexes (I) toward hydrogen, alkynes and oxygen are studied.
ChemInform Abstract: Impact of a Basal Nitro Group on the Density Characteristics of Select (4)Peristylane Derivatives.
Authors: SHEN C.‐C. , PAQUETTE L. A. 
Published: May 2016

AbstractCycloaddition of the tricycle (I) with the acetylene (II) yields the Diels‐Alder adduct (III) which is converted into the diketones (V) and (VI) upon oxidation.
ChemInform Abstract: A New Entry to 1,2‐Benzenediol Congeners.
Authors: OZAKI Y. , OSHIO I. , KIM S.‐W. 
Published: May 2016

AbstractRing closure reaction of the Mannich bases (I) with 1,1‐bis(ethylthio)propan‐2‐one (II) gives the di(ethylthio)cyclohexenones (III).
ChemInform Abstract: Nitriles in Organic Synthesis: Synthesis of New Pyridazine, Pyridine and Pyrazolo(3,4‐b)pyridine Derivatives.
Authors: IBRAHIM N. S. , MOHAMED M. H. , MAHFOUZ Y. , ELNAGDI M. H. 
Published: May 2016

AbstractThe new nitrile (III), when coupled with the arenediazonium salts (IV), gives the highly stable hydrazones (V).
ChemInform Abstract: Reductive Lactonization of Strategically Methylated Quinonepropionic Acid Esters and Amides.
Authors: CARPINO L. A. , TRIOLO S. A. , BERGLUND R. A. 
Published: May 2016

AbstractThe hydroquinones (I) react with the acrylate (II) to give the lactones (III) which yield the p‐benzoquinonepropionic acids (IV) upon oxidation.
ChemInform Abstract: 1,1‐Dichloro‐2,2‐bis(4‐isocyanatophenyl)ethylene ‐ A New Intermediate for the Manufacture of Thermo‐Resistant and Self‐Extinguishing Polyurethane Resins.
Authors: NOWAKOWSKI J. 
Published: May 2016

AbstractAn improved synthesis of the diamine (IV) (yields of the first two steps not given) and its conversion into the title compound (VI) are described.
ChemInform Abstract: One‐Electron Oxidation of 6‐Substituted Benzo(a)pyrenes by Manganic Acetate. A Model for Metabolic Activation.
Authors: CREMONESI P. , CAVALIERI E. L. , ROGAN E. G. 
Published: May 2016

AbstractThe benzopyrenes (I) are oxidized by use of Mn(OAc)3 (II) in acetic acid to give the acetates (III) ‐ (VIII) via free radical cations.
ChemInform Abstract: Efficient Synthesis of Sterically and Optically Pure E,Z‐Conjugated Hydroxydienes. A New Approach to Hydroxyeicosatetraenoic Acids.
Authors: BLOCH R. , GASPARINI G. 
Published: May 2016

AbstractThe stereoselectivity of the addition of the acetylides (II) to the lactol (I) is controlled by the metal ion to give the diastereomer (III) or (IV) as the main product.
ChemInform Abstract: New Heterocyclic Derivatives with Germicidal Activity. Part 6. Synthesis and Activity of New 2‐Benzoxazolyl‐2′‐furans and Thiophenes Variously Substituted in 5 and 5′ Positions.
Authors: DE MEO G. , PEDINI M. , RICCI A. , BASTIANINI L. , SPOSINI T. , JACQUIGNON P. 
Published: May 2016

AbstractAcid‐catalyzed cyclization of the o‐aminophenols (I) with the heterocyclic carboxylic acids (II) produces the benzoxazole derivatives (III).
ChemInform Abstract: Synthesis of 1,3‐Dihydrofuro(3,4‐c)pyridines and 5,7‐Dihydrofuro(3,4‐b)pyridines by Intramolecular Diels‐Alder Reactions of Pyrimidines. Investigation of the Effect of Steric Interactions on the Reaction Rate.
Authors: FRISSEN A. E. , MARCELIS A. T. M. , BUURMAN D. G. , POLLMANN C. A. M. , VAN DER PLAS H. C. 
Published: May 2016

AbstractThe intramolecular Diels‐Alder reaction of the title pyrimidines (I) or (V) gives rise to the dihydrofuropyridines (III) or (VII).
ChemInform Abstract: Indolizines. Part 3. Oxidation Products of Indolizinols: Radicals, Ions, and Oxidized Dimers.
Authors: WADSWORTH D. H. , WEIDNER C. H. , BENDER S. L. , NUTTALL R. H. , LUSS H. R. 
Published: May 2016

AbstractReaction of the cyclopropenones (I) with the pyridine derivatives (II), (IV), and (VII) yields the cyclocondensation/dimerization products (III), (V), (VI), and (VIII).
ChemInform Abstract: Total Synthesis of 3(S)‐Carboxy‐4(S)‐hydroxy‐2,3,4,5‐tetrahydropyridazine, an Unusual Amino Acid Constituent of Luzopeptin A.
Authors: HUGHES P. , CLARDY J. 
Published: May 2016

AbstractWittig‐Horner olefination reaction of the phosphonate (I) with the aldehyde (II) gives the unsaturated ester (III) which is reduced and subsequently epoxidized, yielding the hydroxymethyloxirane (IV).