bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Oxidations of Thiocarbamidates. Part 10. α‐Carbamoyl Sulfoxides and Sulfones. Part 2. Formation of Thiosulfonates by Hydrolysis of Cyclic α‐Carbamoyl Sulfoxides.
Authors: HANEFELD W. , JALILI M. A. 
Published: May 2016

AbstractThe novel sulfoxides (II) or the sulfones (III) are obtained from the diones (I) by oxidation with MCPBA depending on the reaction conditions.
ChemInform Abstract: Reaction of Fluoroalkyl Substituted β‐Ketoesters with Ammonia.
Authors: PASHKEVICH K. I. , SALOUTIN V. I. , FOMIN A. N. , RUDAYA M. N. , EGOROVA L. G. 
Published: May 2016

AbstractDepending on the molar ratio and the reaction conditions, the reaction of ammonia with the fluoroalkyl‐β‐ketoesters (I) produces the compounds given in the reaction scheme.
ChemInform Abstract: Rearrangement of Sulfonamide Radicals with Hydrogen Migration.
Authors: TROYANSKII E. I. , LAZAREVA M. I. , NIKISHIN G. I. 
Published: May 2016

AbstractThe single‐step oxidative chlorination of the alkylsulfonamides (I) using Na2S2O8/CuCl2 gives mixtures of the 3‐ and 4‐chlorosulfonamides (II) and (III).
ChemInform Abstract: Preparation and Lithiation of 1‐Halogenocyclopropenes.
Authors: BAIRD M. S. , HUSSAIN H. H. , NETHERCOTT W. 
Published: May 2016

AbstractReaction of a range of trihalogenocyclopropanes (I), (VI), or (XII) with MeLi (condition (A)) leads to 1,2‐dehalogenation to the corresponding 1‐halogenocyclopropenes (II), (VII) or (XI).
ChemInform Abstract: Novel, Facile Access to Noradamantane Derivatives.
Authors: HOFMANN P. , BECK E. , HOFFMANN M. D. , SIEBER A. 
Published: May 2016

AbstractThe noradamantanone (IX) is prepared starting with the dione (I) via the dinitrile (V) (mixture of the endo‐endo, endo‐exo, and exo‐exo isomers = 25:45:30), the bis‐carboxylic acids (VI), and the ketocarboxylic acid (VII) (which is accompanied by 2% of a dimer).
ChemInform Abstract: Dramatic Concentration Dependence of Stereochemistry in the Wittig Reaction. Examination of the Lithium Salt Effect.
Authors: REITZ A. B. , NORTEY S. O. , JORDAN A. D. JUN. , MUTTER M. S. , MARYANOFF B. E. 
Published: May 2016

AbstractThe stereochemistry of the Wittig reaction between (I) and (II) has been reevaluated by measuring the intermediate oxaphosphetanes (III) and (IV) by low temperature 31P‐NMR spectroscopy.
ChemInform Abstract: Alkylation of α‐Formamido Ketone Enolate Anions. A Versatile Synthesis of α‐Alkyl α‐Amino Ketones.
Authors: ACKRELL J. , MUCHOWSKI J. M. , GALEAZZI E. , GUZMAN A. 
Published: May 2016

AbstractThe α‐formamidoketones (Id) prepared from bromoketones (Ia) via compounds (Ib) and (Ic) react with NaH and alkyl halides (II) to form (III).
ChemInform Abstract: Pyrylium Compounds. Part 31. Reaction of 3‐Alkyl‐2,4,6‐triarylpyrylium Salts with 1,3‐Diketonates: A Method for the Preparation of 3‐Acylsubstituted Benzophenones.
Authors: ZIMMERMANN T. , FISCHER G. W. 
Published: May 2016

AbstractThe reaction of (II) with the title salts (I) or with 2H‐pyrans (IV) yields the open‐chain adducts (III).
ChemInform Abstract: 1‐(Dialkylamino)isobenzofurans: Generation and Use for Anellation of Aromatic Rings.
Authors: CHEN C.‐W. , BEAK P. 
Published: May 2016

AbstractThe dialkylamino‐isobenzofurans (II) and (X) are generated from the diazo compounds (Ic) and (V) or from the bromosilyl compound (VII) or the imidate salt (IX), and are trapped with dienophiles, e.g. (III) and (XI), forming the hydroxy‐dialkylamino‐naphthalene derivatives (IV), (VI), and (XII) respectively.
ChemInform Abstract: Stereochemistry. Part 75. Allylic Displacements and a Novel Ester‐Ether Interchange in Fused Cyclobutanones.
Authors: HASSNER A. , DILLON J. , ONAN K. D. 
Published: May 2016

AbstractThe adducts (IIIa) and (IIIb), which can be obtained from the reaction of cyclohexene (Ia) and ketenes (II), react with carboxylic acids (IV) or (VI) to give the cine substitution products (V) and (VII) respectively.
ChemInform Abstract: Reaction of Conjugated ω‐Dimethylaminoaldehyde Aminals with Indandiones.
Authors: KRASNAYA ZH. A. , STYTSENKO T. S. , GUSEV D. G. , PROKOF'EV E. P. 
Published: May 2016

AbstractIndandione (I) reacts with the ω‐dialkylaminoaldehydeaminals (II) to give the conjugated ω‐dialkylaminodiketones (III) as expected, together with salts such as (IV) and (V).
ChemInform Abstract: Preparation of (E)‐1,2‐Bis(2,2′‐bithiophene‐5‐yl)ethylene and (E)‐1,2‐ Bis(2,2′:5′,2′′‐terthiophene‐5‐yl)ethylene.
Authors: NAKAYAMA J. , MURABAYASHI S. , HOSHINO M. 
Published: May 2016

AbstractTreatment of the thiophene aldehydes (I) with a low‐valent titanium reagent prepared from TiCl4 and zinc yields the coupling products (II).
ChemInform Abstract: On the Reaction of N‐Vinyliminophosphoranes. Part 3. A Novel Route to Phenyl‐Substituted Pyrroles by the Reaction of N‐(1‐Phenylvinyl)iminophosphoranes with α‐Bromo Ketones.
Authors: IINO Y. , KOBAYASHI T. , NITTA M. 
Published: May 2016

AbstractThe phenylvinyliminophosphoranes (I) and the α‐bromo ketones (II) cyclize in the presence of a base, yielding the pyrroles (III).
ChemInform Abstract: Synthesis of a Cimetidine Analogue.
Authors: HEISZMAN J. , HARSANYI K. , TOEKE L. + 
Published: May 2016

AbstractCondensation of the aldehydes (I) and (II) with ammonia (III) produces the hydroxymethylmethylimidazole (IV) which is hydroxymethylated to form the diol (V).
ChemInform Abstract: An Easy Synthesis of Dihydromuscimol.
Authors: CALDIROLA P. , DE AMICI M. , DE MICHELI C. 
Published: May 2016

AbstractN‐Boc‐dihydromuscimol (IV) is prepared from the betaine (I) via the tosylate (II) or from the olefin (VI) by addition of bromonitrile oxide (VII) and subsequent hydrolysis of the isoxazole derivative (VIII).
ChemInform Abstract: Photolysis of Cyclic Acetals of Aryl Benzoylacetates as the Key Step in a New Synthesis of Flavones.
Authors: GARCIA H. , IBORRA S. , MIRANDA M. G. , PRIMO J. 
Published: May 2016

AbstractThe synthesis of the flavones (VIII) is improved by using photo‐Fries rearrangement of the acetals (IV) instead of the ketones (V) as the key step.
ChemInform Abstract: The Chemistry and Synthetic Potentialities of β‐Ketoanilides: Reaction of Ethyl Cyanoacetate with β‐Ketoanilides.
Authors: HABASHI A. , IBRAHEIM N. S. , SHERIF S. M. , SHAMS H. Z. , MOHAREB R. M. 
Published: May 2016

AbstractReaction of the cyanoacetate (I) with the β‐ketoanilides (II) yields the alkenes (III).
ChemInform Abstract: Reaction of Substituted o‐Nitroanilines with Unsaturated Chlorine‐Containing Acids.
Authors: MOLCHANOV L. V. , AYUPOVA A. T. , ESHIMBETOV ZH. , ALIEV N. A. 
Published: May 2016

AbstractIn the presence of excess P2O5 the o‐nitroanilines (I) react with the chloroacrylic acids (II), giving the anilides (III).
ChemInform Abstract: Acetogenin Isoquinoline Alkaloids. Part 10. One‐Pot Preparation of 1,3‐Dimethyltetrahydroisoquinolines from Their Biosynthetic Diketo Precursors.
Authors: BRINGMANN G. , JANSEN J. R. 
Published: May 2016

AbstractReaction of the diketone (I) with pyridoxamine (II) produces the isoquinolinium bromide (III), which is reduced to give the racemic diastereomers (IV).
ChemInform Abstract: Synthesis of Acetylenic Derivatives of 1,4‐Dioxane.
Authors: GRIGORYAN S. G. , AVETISYAN K. G. , ARZUMANYAN A. M. , MKRTCHYAN A. A. , MATNISHYAN A. A. 
Published: May 2016

AbstractPropargyl alcohol (I) reacts with vinyl‐ or phenylethynylcarbinol (II) in the presence of a mercury‐boron fluoride catalyst to give the 1,4‐dioxane derivatives (III).
ChemInform Abstract: s‐Triazolo(4,3‐a)(1,3)diazacycloalkanes. Part 1. Synthesis and Reactions of 3‐Oxo‐2,3,5,6,7,8‐hexahydro‐s‐triazolo‐(4,3‐a)pyrimidine.
Authors: KREZEL I. 
Published: May 2016

AbstractThe title compound may exist in the two tautomeric forms (II) and (III).
ChemInform Abstract: Reaction of 2,3,3‐Trimethyl‐3H‐indole Salts with Acrylamide. Synthesis of 1,2,3,4,10,10a‐Hexahydropyrimido(1,2‐a)indol‐2‐one Derivatives.
Authors: SHACHKUS A. A. , DEGUTITE R. YU. 
Published: May 2016

AbstractThe indole hydrohalides (I) react with acrylamide (II) in acetic acid media to give the pyrimidoindolones (IV) via the addition products (III).
ChemInform Abstract: Synthesis and Catalytic Oxidation of 2,5‐Dimethylpyrazine.
Authors: KASTRON V. V. , IOVEL' I. G. , SKRATYN'SH I. P. , GOL'DBERG YU. SH. , SHIMANSKAYA M. V. , DUBUR G. YA. 
Published: May 2016

AbstractThe synthesis of the dimethylpyrazine (IV) is achieved by reduction of the oxime (I) with stannous chloride, condensation of the aminoketone (II) to form the dihydropyrazine (III) followed by oxidation with ammonium peroxodisulfate.
ChemInform Abstract: 3‐Aryl‐1,2‐dihydroquinoxalines.
Authors: KOLOS N. N. , INSUASTI B. , KIROGA KH. , ORLOV V. D. 
Published: May 2016

AbstractThe condensation of the o‐phenylenediamines (I) with the 4‐substituted ω‐bromoacetophenones (II) results in the formation of the dihydroquinoxalines (III) and (IV).
ChemInform Abstract: Synthesis of 2,2′‐Ethylene‐bis(1,2‐dihydrobenzo(h)‐3H‐4,2‐benzoxazine) and 3,3′‐Ethylene‐bis(3,4‐dihydrobenzo(h)‐2H‐1,3‐benzoxazine) and Assignation of Their 1H‐NMR Spectra Using the LAOCN3 Computer Program.
Authors: RIVERA A. , OSPINA E. , SANCHEZ A. , JOSEPH‐NATHAN P. 
Published: May 2016

AbstractThe isomeric bisoxazines (IV) and (VI) are synthesized by treating the naphthols (I) and (V) with ethylenediamine (II) and formaldehyde (III).
ChemInform Abstract: Photochemical Reactions of N‐Benzoylformyl αβ‐Unsaturated Amides.
Authors: SAKAMOTO M. , AOYAMA H. , OMOTE Y. 
Published: May 2016

AbstractThe title compounds (I) or (III) undergo photochemical intramolecular (2 + 2) cycloaddition to afford the bicyclic imides (II) or (IV), the latter obtained as a mixture of stereoisomers.
ChemInform Abstract: Formation of Bridged Bicyclic 1,2,4‐Trioxanes by Intramolecular Capture of β‐Hydroperoxy Cations.
Authors: JEFFORD C. W. , FAVARGER F. , FERRO S. , CHAMBAZ D. , BRINGHEN A. , BERNARDINELLI G. , BOUKOUVALAS J. 
Published: May 2016

AbstractThe acid (I) obtained by literature methods is transformed to the aldehyde (IIa) or, by treatment with the respective Li organyls, to the ketones (IIb), (IIc).
ChemInform Abstract: Chiral Recognition in Aqueous Solution. Search for Water‐Soluble Chiral Hosts with Apolar Binding Sites.
Authors: RUBIN Y. , DICK K. , DIEDERICH F. , GEORGIADIS T. M. 
Published: May 2016

AbstractThe macrocyclic chiral biphenyls (VIIa) and (VIIb) are designed as potential hosts for the optical resolution of racemic organic guest molecules with anionic substituents.
ChemInform Abstract: Stereoselective and Regioselective Thermal and Photochemical Preparation of Siloxy Dienes.
Authors: WAN C. S. K. , WEEDON A. C. , WONG D. F. 
Published: May 2016

AbstractPhotoenolization of unsaturated ketones (I) gives dienols which are trapped with trimethylchlorosilane to form the (Z)‐silyloxydienes (II) together with small amounts of the (E)‐isomers (III).
ChemInform Abstract: The Reactions of α‐Alkoxyallylphosphine Oxide Ylides with Silicon, Sulphur, and Phosphorus Electrophiles.
Authors: DEVCHAND D. K. , MURRAY A. W. , SMEATON E. 
Published: May 2016

AbstractThe α‐methoxyallylphosphine oxides (I) are treated with LDA to form the anions (II) which react with the electrophiles (III) to yield the substitution products (IV).
ChemInform Abstract: Synthesis of Organo‐Antimony(V) and μ‐Oxy‐bis(triarylantimony) Selenocyanates Using a Phase‐Transfer Catalyst.
Authors: RAJ P. , RASTOGI R. , SINGHAL K. , SAXENA A. K. 
Published: May 2016

AbstractThe stibonium bis‐selenocyanates (III) are prepared from the chlorides (I) in the presence of a phase‐transfer catalyst.
ChemInform Abstract: Synthesis of the Tridentate Pyridine Donor 2,6‐Bis(1‐phenyl‐1‐(pyridin‐2‐yl)ethyl)pyridine (L), Including Separation of meso and rac Diastereoisomers via Methylmercury(II) Derivatives, and an X‐Ray Structural Study of (HgMe(meso‐L))NO3·2 H2O.
Authors: CANTY A. J. , MINCHIN N. J. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractThe title ligands (III) and their Hg complexes (IV) are prepared from (I) (crystal structure of (IVa): space group P21/n with Z=4).
ChemInform Abstract: Some Group IVB Derivatives of 1,6‐Methano(10)annulene. Synthesis, Substituent Effects, and Reactivity.
Authors: KITCHING W. , OLSZOWY H. A. , SCHOTT I. , ADCOCK W. , COX D. P. 
Published: May 2016

AbstractThe metallo‐ or metallomethyl‐substituted annulenes (IV) and (VII) are prepared from the bromoannulene (I) as outlined in the reaction scheme.
ChemInform Abstract: Decay of High‐Valent Manganese Porphyrins in Aqueous Solution and Catalysed Formation of Oxygen.
Authors: HARRIMAN A. , CHRISTENSEN P. A. , PORTER G. , MOREHOUSE K. , NETA P. , RICHOUX M.‐C. 
Published: May 2016

AbstractThe complexes Mn(III)Por (Por: porphyrin) are oxidised in aqueous solution (e.g.
ChemInform Abstract: Design of Metal Chelates with Biological Activity. Part 5. Complexation Behavior of Dihydroxamic Acids with Metal Ions.
Authors: BROWN D. A. , GERATY R. , GLENNON J. D. , CHOILEAIN N. N. 
Published: May 2016

AbstractThe dihydroxamic acids (III) are prepared as shown and characterized by analytical, NMR, and IR spectroscopic data.
ChemInform Abstract: Complexes of Functional Phosphines. Part 10. Palladium Complexes with the Ligands Ph2PCH2COPh, (Ph2PCHCOPh)‐, and Ph2PCHC(Ph)OPPh2. Crystal and Molecular Structure of Cyclic cis‐(PdCl2(Ph2PCHC(Ph)OPPh2)).
Authors: BOUAOUD S.‐E. , BRAUNSTEIN P. , GRANDJEAN D. , MATT D. , NOBEL D. 
Published: May 2016

Abstract(Diphenylphosphino)acetophenone (II) is prepared as shown.
ChemInform Abstract: Protection of the Amino Group of Amino Sugars by the Acylvinyl Group. Part 2. Synthesis and Glycosidation of 1‐Deoxy‐1‐((2,2‐diacylvinyl)amino)‐D‐fructoses.
Authors: GOMEZ‐SANCHEZ A. , DE GRACIA GARCIA MARTIN M. , PASCUAL C. 
Published: May 2016

AbstractThe title compounds (II) are prepared from 1‐amino‐1‐deoxy‐D‐fructose (I) as outlined in the reaction scheme.
ChemInform Abstract: Conversion of Isoxazolines to β‐Hydroxy Esters. Synthesis of 2‐Deoxy‐D‐ ribose.
Authors: CALDIROLA P. , CIANCAGLIONE M. , DE AMICI M. , DE MICHELI C. 
Published: May 2016

AbstractThe bromonitrile oxide (I) is coupled with the olefins (II), yielding the bromoisoxazolines (III).
ChemInform Abstract: Sugar Chemistry. Part 3. Regiospecific 6,6′‐Deoxygenation of Saccharose.
Authors: DESCOTES G. , MENTECH J. 
Published: May 2016

AbstractDeoxygenation of saccharose (I) is achieved by hydrogenation of the thioether derivative (III), yielding 6,6'‐dideoxysaccharose (IV).
ChemInform Abstract: Synthesis of 2′‐Deoxyribofuranosides of 8‐Aza‐7‐deazaguanine and Related Pyrazolo (3,4‐d)pyrimidines.
Authors: SEELA F. , STEKER H. 
Published: May 2016

AbstractThe heterocyclic compound (IIb) is prepared from the aldehyde (I) via the intermediate (IIa) as shown in the scheme.
ChemInform Abstract: Synthesis of Condensed Tannins. Part 17. Oligomeric (2R,3S)‐3,3′,4′,7,8‐Pentahydroxyflavans: Atropisomerism and Conformation of Biphenyl and m‐Terphenyl Analogues from Prosopis glandulosa (′Mesquite′).
Authors: YOUNG E. , BRANDT E. V. , YOUNG D. A. , FERREIRA D. , ROUX D. G. 
Published: May 2016

Abstract(+)‐Mesquitol (Ia), the predominant metabolite in the heartwood of Prosopis glandulosa, represents a putative precursor of a variety of oligomers, including conventional (4,6)‐ and (4,8)‐biflavan‐3‐ols, a (1,6)‐1,3‐diarylpropylflavan‐3‐ol, (5,6)‐ and atropisomeric (5,8)‐biphenyl‐type biflavan‐3‐ols, and (5,6:5,8)‐m‐terphenyl‐type triflavan‐3‐ols.
ChemInform Abstract: Prostaglandins and Prostaglandin Intermediates. Part 17. Synthesis of the Main Metabolite of the PGF2α Analogue Cloprostenol.
Authors: THEIL F. , COSTISELLA B. , MAHRWALD R. , GROSS H. , SCHICK H. , SCHWARZ S. 
Published: May 2016

AbstractThe title metabolite (VI) is prepared in four reaction steps from the lactone (I), an intermediate in the synthesis of cloprostenol.
ChemInform Abstract: Preparation Method for a Protective Enamel on Silicon Carbide ‐ Especially SiC Heating Rods.
Authors: PREISS H. 
Published: May 2016

AbstractProtective coatings on SiC have been prepared from aqueous alcoholic solutions of silicic acid ester, Al(NO3)3, MgCl2, CaCl2, and K2CO3 using the gel process commonly used for the production of homogeneous glasses.
ChemInform Abstract: Simultaneous Thermoanalytical Examinations of Si‐X2S2O8 (X: Na, K) Binary Systems.
Authors: JASIM F. , JASIM H. H. 
Published: May 2016

AbstractIt is shown that Si powder, which is found to be stable in the binary systems up to 1050 °C, acts as a semiconductive catalyst to lower the Ti values for the thermal decomposition of persulfates (by about 15‐20 °C) or phase transformations of pyrosulfates.
ChemInform Abstract: Removal of Some Alkali Metal Salts from Aqueous Solution by an Active‐Charcoal Electrode.
Authors: ICHINOSE M. , YASUOKA T. , MITSUZAWA S. , SASAKI T. 
Published: May 2016

AbstractThe electrolytic removal of nearly 99% potassium and sodium sulfates from aqueous solutions is demonstrated using an active‐charcoal cathode and a Pt anode separated by a porous porcelain septum.
ChemInform Abstract: Polarographic Study of the Influence of Concentration and Nature of Supporting Electrolytes on the Kinetics of the Irreversible Electrode Reaction of In(III) in HNO3 and HClO4 Media.
Authors: SINGH M. 
Published: May 2016

AbstractPolarographic studies at pH 2.1 and 20 °C in the presence of varying concentrations (0.025‐0.20 M) of different supporting electrolytes such as NaClO4, Ca(NO3)2, NH4NO3, NaNO3, Sr(NO3)2, or Mg(NO3)2 show the In(III) reduction to be diffusion‐controlled and irreversible.
ChemInform Abstract: Use of Bromine(I) Fluorosulfate for the Preparation of New N‐Bromo Sulfonimides.
Authors: SINGH S. , DESMARTEAU D. D. 
Published: May 2016

AbstractA new method has been developed for the preparation of electropositive N‐bromo derivatives of sulfonimides by reaction of the Hg(II) derivatives (I) and (VII) (previously unknown) with (II).
ChemInform Abstract: A Potentiometric and Spectroscopic Study of the Interaction of the N Terminal Tetrapeptide Fragment of Fibrinopeptide A with Cu(II) and Ni(II).
Authors: DECOCK‐LE REVEREND B. , ANDRIANARIJAONA L. , LIVERA C. , PETTIT L. D. , STEEL I. , KOZLOWSKI H. 
Published: May 2016

AbstractThe title peptide (I) and its derivatives (II) and (III) are prepared by standard liquid‐phase methods (no yields given).
ChemInform Abstract: Studies in the Field of 2‐Heterylbenzimidazole Chemistry. Part 7. Transformations of trans‐1‐Methyl‐2(β‐(furyl‐2′)vinyl)benzimidazole.
Authors: EL'CHANINOV M. M. , STOYANOV V. M. , SIMONOV A. M. , SIMKIN B. YA. 
Published: May 2016

AbstractThe reaction of 1‐methyl‐2‐furylvinyl‐benzimidazole (I) with electrophiles leads exclusively to a substitution in the furan moiety.
ChemInform Abstract: Stereoselective Synthesis of (E)‐2‐Alkene‐1,4‐diols via Metallated Allylic Sulfoxides.
Authors: ANNUNZIATA R. , CINQUINI M. , COZZI F. , RAIMONDI L. , STEFANELLI S. 
Published: May 2016

AbstractReaction of the anion of the sulfoxide (I) with a series of chiral but racemic aldehydes (II) yields the isomeric addition products (III) and (IV).
ChemInform Abstract: Some Reactions of an o‐Quinone Monoimide with Derivatives of Furan and Styrene.
Authors: HEINE H. W. , WILLIAMS E. A. 
Published: May 2016

AbstractThe new heterocyclic compounds (I), (II), (IV) and the known compound (III) are obtained from a Diels‐Alder‐type cycloaddition reaction of the title monoimide (V) with the compounds (VI), (VII), (IX) and (VIII).
ChemInform Abstract: o‐Phosphinophenoles by 1,3‐Carbanionic Rearrangements of o‐Metallated Aroxyphosphines.
Authors: HEINICKE J. , NIETZSCHMANN E. , TZSCHACH A. 
Published: May 2016

AbstractPhosphinous acid o‐bromoaryl esters or phosphorus acid o‐haloarylester diamides (I) react with sodium to form the corresponding sodium aryls which undergo rapid 1,3‐carbanionic rearrangements, producing o‐phosphinophenolates.
ChemInform Abstract: Regioselectivity of the Amino‐Claisen Rearrangement. The Rearrangements of N‐Allyl‐9‐methoxy‐1‐oxajulolidinium Bromide and N‐Allyl‐8‐methoxylilolidinium Bromide.
Authors: KANEKO K. , KATAYAMA H. , SAITO Y. , FUJITA N. , KATO A. 
Published: May 2016

AbstractThermolysis of N‐allyl‐9‐methoxy‐1‐oxajulolidinium bromide (I) and N‐allyl‐8‐methoxylilolidinium bromide (III) gives the meta‐rearranged products (IIa) and (IVa) respectively, accompanied by the deallylation products (IIb) and (IVb) respectively.
ChemInform Abstract: Cycloaddition‐Rearrangement of Cyclohexadienol Ethers. A Versatile and Selective Synthesis of Cyclopentenoid Systems.
Authors: GOLDSMITH D. J. , SORIA J. J. 
Published: May 2016

AbstractThe methoxy cyclohexadienes (I) perform ring contraction when reacting with the sulfonyl azide (II), producing the cyclopentene sulfonylimidate esters (III).
ChemInform Abstract: Photo‐Cycloaddition of 3‐Methoxycyclohexenone and 3‐Aminocyclohexenone to Ethoxyethylene: Stereochemistry of the Cycloadducts.
Authors: TSUDA Y. , KIUCHI F. , UMEDA I. , IWASA E. , SAKAI Y. 
Published: May 2016

AbstractPhotolytic reaction of the methoxycyclohexenone (I) and ethoxyethylene (II) gives the four stereoisomeric cycloadducts (III) and (IV) which undergo isomerization as shown in the reaction scheme.
ChemInform Abstract: Photoreduction of 5‐Deazaflavins (1,3,9‐Triazaanthracene‐2(3H),4(10H)‐ diones).
Authors: LINK P. A. J. , VAN DER PLAS H. C. , MUELLER F. + 
Published: May 2016

AbstractDepending on the electron donors ethylenediaminetetraacetate (EDTA), oxalic acid, or triethanolamine (TEA), the photoreduction of the deazaflavins (I) leads to the formation of dimers (II) and/or dihydrodeazaflavins (III).
ChemInform Abstract: Novel Organic Synthesis Using DBU. Part 10. Synthesis of α‐Bromoester by Means of the DBU‐BrCCl3 Reagent System.
Authors: HORI Y. , NAGANO Y. , TAGUCHI H. , TANIGUCHI H. 
Published: May 2016

AbstractThe compounds (I) and (III) with active hydrogens react with the title reagent system to afford the derivatives (II) and (IV).
ChemInform Abstract: Ring Contraction of 2‐Chlorocyclohexanone with Grignard Reagents.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , IMAI E. , IWAMURA T. , MAEDA K. 
Published: May 2016

AbstractThe reaction of 2‐chlorocyclohexane (I) and the phenyl Grignard reagents (II) yields either 2‐phenylcyclohexanone (III) or cyclopentyl phenyl ketone (IV) as the main product, depending on the solvent.
ChemInform Abstract: Reaction of 5,6‐Dihydro‐1,4‐oxathiin‐4,4‐dioxides with Nucleophilic Compounds.
Authors: GOEHMANN P. + , SCHROEDER L. + , ZSCHUNKE A. 
Published: May 2016

AbstractThe reaction of the title oxathiin dioxide (I) with the nucleophilic compounds (II), (IV), (VI) and (VIII) yields the 2‐substituted ethanesulfonyl compounds (III), (V), (VII) and (IX).
ChemInform Abstract: Syntheses with Cyclobutadienes. Part 14. Tetra‐tert‐butylprismanes by Dewar Benzene Isomerization.
Authors: WINGERT H. , REGITZ M. 
Published: May 2016

AbstractThe cyclobutadiene (I) undergoes (4 + 2) cycloaddition with the acetylene (II) to afford the regioisomeric Dewar benzenes (III) and (IV) which are transformed to the title prismanes (V) and (VI) by irradiation.
ChemInform Abstract: Syntheses with Cyclobutadienes. Part 15. Prismane/Dewar Benzene Isomerization. X‐Ray Crystal Structure of tert‐Butyl 3,4,5‐Tri‐tert‐butyl‐2,6‐bis(trifluoromethyl)prismane‐1‐carboxylate.
Authors: WINGERT H. , MAAS G. , REGITZ M. 
Published: May 2016

AbstractThe CF3‐substituted Dewar benzenes (I) and (III) are resistant to thermal isomerization to the corresponding benzene derivatives and yield the acids (II) and (IVa) by loss of isobutene.
ChemInform Abstract: Synthesis and Antiarrhythmic Activity of N‐Aryl Alkylenediamines.
Authors: ZUBOVICS Z. , TOLDY L. , VARRO A. , RABLOCZKY G. , KUERTHY M. + , DVORTSAK P. , JERKOVICH G. , TOMORI E. 
Published: May 2016

AbstractThe amines (I) are converted to the chlorides (III), which undergo Gabriel synthesis to give the alkylene diamines (VI) and (VII).
ChemInform Abstract: A Facile Synthesis of Sulfides Using S‐Aryl‐isothiuronium Intermediates.
Authors: TAKAGI K. 
Published: May 2016

AbstractAryl halogenides such as the phenyl halogenides (I) react with thiourea (II) in the presence of Ni(0) catalysts to form the isothiuronium salts (III).