bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Azo Bridges from Azines. Part 6. Substituted Isopyrazoles as Electron Deficient Dienes for the Synthesis of 2,3‐Diazabicyclo(2.2.1)heptenes and Their Photochemistry.
Authors: BECK K. , HUENIG S. + 
Published: May 2016

AbstractThe (4+ + 2) cycloaddition of (I) and (II) yields the endo‐adducts (III) and ‐ as main products ‐ the exo adducts (IV).
ChemInform Abstract: Pentacoordinated Molecules. Part 69. Steric Hindrance in Pentacoordinated Fluorosilicates. Synthesis and Molecular Structure of the Diphenyl‐1‐naphthyldifluorosilicate Anion and the Phenylmethyltrifluorosilicate Anion.
Authors: HARLAND J. J. , PAYNE J. S. , DAY R. O. , HOLMES R. R. 
Published: May 2016

AbstractThe title anions are prepared according to the reaction scheme and are isolated as their ammonium salts (III) or tris(dimethylamino)sulfonium salt (VII).
ChemInform Abstract: Esters and Hydrazides of Phosphorylated Hydroxy‐ and Methoxyphenylpropionic Acids.
Authors: ISMAGILOV R. K. , MOSKVA V. V. , IVANTSOV A. E. , ZADORNAYA A. B. , ZYKOVA T. V. , SHAGVALEEV F. SH. 
Published: May 2016

AbstractAddition reaction of the phosphinite (IIa) or the phosphite (IIb) with the cinnamic acids (I) gives the phosphorylated esters (III).
ChemInform Abstract: Synthesis of Two New 1,3,2,4‐Diazadiphosphetidine‐Based Phosphazane Oligomers: ((PhNH)P2(NPh)2)2NPh and ((PhNH)PNPh)3.
Authors: THOMPSON M. L. , TARASSOLI A. , HALTIWANGER R. C. , NORMAN A. D. 
Published: May 2016

AbstractStudies at different conditions show that the PCl3‐PhNH2 reaction involves stepwise formation of P(NHPh)3, PhN(P(NHPh)2)2, (III), and the title compound (IV) enroute to the dinuclear title compound (V).
ChemInform Abstract: C‐H Activating Reactions of Thoracyclobutanes. Routes to Unusual Actinide‐Transition Metal μ‐Methylene Complexes.
Authors: SMITH G. M. , SABAT M. , MARKS T. J. 
Published: May 2016

AbstractThe reaction of the thoracyclobutane compound (I) with the group 4 dimethylmetallocenes (II) yields the μ‐methylene complexes (III) having a metallated cyclopentadienyl ring.
ChemInform Abstract: Preparation of Organo‐Tin Compounds with tert‐Butyl Groups at the Tin Atom Using a Magnesium‐Organic Synthesis.
Authors: GIRBASOVA N. V. , BOGORADOVSKII E. T. , ZAVGORODNII V. S. , PETROV A. A. 
Published: May 2016

AbstractTreatment of the halostannanes (I), (V), (VIII), (IX), and (XIIb) with the Grignard reagents (II) or (VI) gives the alkylation products (VII), (X), or (XI), the distannanes (III) and (XIII) or the transhalogenation products (XV) and (XIIc), depending on the nature and the number of the halogen atoms at the tin atom.
ChemInform Abstract: Nickelacyclobutabenzene Through Oxidative Addition of 7,7‐Bis(trimethylsilyl)cyclopropabenzene to Nickel(0) Complexes.
Authors: KRUEGER C. + , LAAKMANN K. , SCHROTH G. , SCHWAGER H. , WILKE G. 
Published: May 2016

AbstractThe cyclopropabenzene (III) is prepared from (I) and converted to the nickelacyclobutabenzene derivatives (VI).
ChemInform Abstract: Reaction of ortho‐Palladinated N,N‐Dimethylbenzylamines with Methyl Vinyl Ketone. Crystal Structure of 1‐(Acetonyl)‐2,2‐dimethylisoindolinium Tetrachloropalladate(II).
Authors: SAKODYNSKAYA I. K. , RYABOV A. D. , ELISEEV A. V. , DVORYANTSEV S. N. , YATSIMIRSKII A. K. , KUZ'MINA L. G. , STRUCHKOV YU. T. 
Published: May 2016

AbstractThe palladium complexes (I) react with methyl vinyl ketone (II) to produce the substituted benzalacetones (III), the complexes (IV), and the isoindolinium salts (V).
ChemInform Abstract: Tetranortriterpenoid Lactams with Insect Antifeeding Activity from Azadirachta indica A. Juss (Meliaceae).
Authors: KRAUS W. , KLENK A. , BOKEL M. , VOGLER B. 
Published: May 2016

AbstractThe constituents salannolactam‐(21) (Ia) and salannolactam‐(23) (Ib) are isolated from the title species and identified by their spectral data.
ChemInform Abstract: A Convenient Synthesis of Polyoxamic Acid, 5‐O‐Carbamoylpolyoxamic Acid, and Their Unnatural D Isomers.
Authors: SAKSENA A. K. , LOVEY R. G. , GIRIJAVALLABHAN V. M. , GANGULY A. K. , MCPHAIL A. T. 
Published: May 2016

AbstractStarting with the L‐threose derivative (I), the allyl trichloroacetimidate (IV) is prepared and thermally converted to a mixture of the diastereomeric amides (Va) and (Vb).
ChemInform Abstract: A General and Practical Synthesis of (R)‐Phthalimido Aldehydes and D‐α‐ Amino Acids from D‐Mannitol.
Authors: MULZER J. , ANGERMANN A. , SCHUBERT B. , SEILZ C. 
Published: May 2016

AbstractThe D‐α‐amino acids (VII) are prepared from the glyceraldehyde (I) as shown in the reaction scheme.
ChemInform Abstract: “Naked Sugars” as Synthetic Intermediates. Total Synthesis of L‐Daunosamine.
Authors: WARM A. , VOGEL P. 
Published: May 2016

AbstractThe key steps in the synthesis of optically pure L‐daunosamine (V) are 1. the regioselective addition of phenylselenenyl chloride to the "naked sugar" (+)‐(I), followed by oxidative elimination, yielding (II), 2. the conversion of (II) to the endo‐chloroketone (III), and 3. methylation of the latter, producing mainly (IV).
ChemInform Abstract: Chemical Constituents of Rutaceous Plants. Part 62. Efficient Synthesis of Fagaronine, a Phenolic Benzo(c)phenanthridine Alkaloid with Antileukaemic Activity.
Authors: ISHII H. , CHEN I.‐S. , ISHIKAWA T. 
Published: May 2016

AbstractFagaronine chloride (XIII) is synthesized starting from isovanillin (I).
ChemInform Abstract: Organopalladium Approaches to Prostaglandins. Part 5. Synthesis of Bicyclic and Tricyclic Prostanoic Acids and Thiophene‐Containing Prostaglandin Endoperoxide Analogues via Thienylpalladation of Bicyclic Alkenes.
Authors: LAROCK R. C. , LEACH D. R. , BJORGE S. M. 
Published: May 2016

AbstractThe thienylmercurials (III), prepared from the thiophene derivative (I), are coupled with norbornene or norbornadiene in the presence of Pd chloro complexes, yielding the products (V) or (XII).
ChemInform Abstract: Amino Acids as Precursors of Chiral Synthons. Part 4. Diastereoselective Synthesis of Enantiomerically Pure Alcohols: Preparation of (+)‐Exobrevicomine.
Authors: LARCHEVEQUE M. , LALANDE J. 
Published: May 2016

AbstractThe acid chloride (I), derived from glutamic acid, is transformed to the derivatives (III) which are reduced with LiBH(iBu)3 to give the title alcohols (IV).
ChemInform Abstract: Pheromones via Organoboranes. Part 2. Vinylic Organoboranes. Part 8. Applications of the General Stereoselective Synthesis of (E)‐Disubstituted Alkenes via Thexylchloroborane‐Dimethyl Sulfide to the Synthesis of Pheromones Containing an (E)‐Alkene Moiety.
Authors: BROWN H. C. , LEE H. D. , KULKARNI S. U. 
Published: May 2016

AbstractThe E‐alkenyl pheromones (IV) are prepared by a one‐pot procedure which consists in the borane (II)‐mediated reaction of the alkenyl acetates (I) with the 1‐haloalkynes (III).
ChemInform Abstract: Formation and Transformation of ZnTiO3.
Authors: YAMAGUCHI O. , MORIMI M. , KAWABATA H. , SHIMIZU K. 
Published: May 2016

AbstractThe amorphous product of the simultaneous hydrolysis of Zn(C5H7O2)2 and Ti(iPrO)4 crystallizes at 600‐765 °C yielding a cubic phase which is tentatively denoted as Zn2Ti3O8 and determined to be a low‐temp.
ChemInform Abstract: Dynamic and Static Quenching of the Luminescence of Ruthenium(II) Polypyridine Complexes by Heteropolytungstate Anions. Direct Measurements of Intramolecular Electron‐Transfer Rate Constants.
Authors: BALLARDINI R. , GANDOLFI M. T. , BALZANI V. 
Published: May 2016

AbstractThe quenching of the luminescence emission intensity and lifetime of (I) and (II) by the heteropolytungstate anions (Mn(OH)PW11O39)6‐ and (Co(H2O)SiW11O39)6‐ has been studied in aqueous solutions.
ChemInform Abstract: Exchange Interaction in Multinuclear Transition‐Metal Complexes. Part 10. Bridging and Twist Angle Dependence of Magnetic Coupling in Doubly Bridged Copper(II) Dimers. X‐Ray Structure of Bis(chloro(N‐phenyl(2‐hydroxybenzylidene)aminato‐N,μ‐O)copper(II)).
Authors: CHIARI B. , PIOVESANA O. , TARANTELLI T. , ZANAZZI P. F. 
Published: May 2016

AbstractThe title complex (I), prepared by a modified literature method, crystallizes in the space group P1 and contains one dimeric molecule in the unit cell.
ChemInform Abstract: Structure and Basicity. Part 10. Conductometric and Potentiometric Titrations of Some Cyclotriphosphazatrienes in Non‐Aqueous Media. The Conductivities of Alkali‐Metal Acetates on Titration with Perchloric Acid in Acetic Acid.
Authors: GUENDUEZ N. + , GUENDUEZ T. + , KILIC E. , OEZTAS S. G. + , TUEZUEN M. + , SHAW L. S. , SHAW R. A. 
Published: May 2016

AbstractConductometric titrations of the derivatives (I)‐(IV) with HClO4 in the solvent systems nitrobenzene, nitrobenzene/benzene (1:1) and acetic acid are described and compared with potentiometric titrations in nitrobenzene using the same acid.
ChemInform Abstract: New Results on the Stereoselectivity of Ketoketene Dimerizations.
Authors: DEHMLOW E. V. , PICKARDT J. , SLOPIANKA M. , FASTABEND U. , DRECHSLER K. , SOUFI J. 
Published: May 2016

AbstractAlkylation of (III) results in the formation of the trans‐cyclobutanediones (I) or (V).
ChemInform Abstract: Reactions of Cyclopropenes. Part 8. Transition Metal Catalyzed Cycloadditions of 3,3‐Dimethoxycyclopropene.
Authors: BINGER P. , BIEDENBACH B. 
Published: May 2016

AbstractPalladium‐catalyzed cyclodimerization of (I) gives the cyclobutane (II), which undergoes thermal rearrangement to the cyclohexadiene (III).
ChemInform Abstract: Apparently Non‐Stereospecific Additions of Dihalocarbenes ‐ An Explanation.
Authors: DEHMLOW E. V. , STIEHM T. 
Published: May 2016

AbstractWhile the addition reaction of dihalocarbenes with cis,trans‐cyclooctadiene (IV) exclusively yields (II) when carried out in a single phase, mixtures of (II) and (III) are obtained under phase‐transfer conditions ((IIIb) is an inseparable mixture of syn/anti isomers).
ChemInform Abstract: Magnesium‐Oppenauer Oxidation of Alcohols to Aldehydes and Ketones.
Authors: BYRNE B. , KARRAS M. 
Published: May 2016

AbstractThe magnesium alkoxide (III), obtained from butylmagnesium bromide (I) and crotonaldehyde (II), undergoes a modified Oppenauer oxidation in the presence of the carbonyl compounds (IV), yielding the ketone (V).
ChemInform Abstract: 4‐Oxy‐Substituted 1‐Lithio‐1,2‐alkadienyl Carbamates: Trapping of Configuratively Stable Allenic Carbanions and Stereospecific 1,4‐Elimination for the Synthesis of Alk‐3‐en‐1‐ynyl Carbamates.
Authors: HOPPE D. , GONSCHORREK C. 
Published: May 2016

AbstractThe allenyl carbaminate (Ia) is converted to the titanium derivative (Ib) which reacts with acetaldehyde (II) to produce the alcohols (III).
ChemInform Abstract: Stereochemistry of the Michael Addition to Bicyclo(3.3.1)non‐3‐en‐2‐one.
Authors: DOVGAN' N. L. , KULIK N. I. , LIKHOTVORIK I. R. , YURCHENKO A. G. 
Published: May 2016

AbstractThe title compound (I) contains a carbon‐carbon double bond activated by the conjugated carbonyl function.
ChemInform Abstract: Multisubstrate Inhibitors of Dopamine β‐Hydroxylates. Part 2. Structure‐Activity Relationships at the Phenethylamine Binding Site.
Authors: KRUSE L. I. , KAISER C. , DEWOLF W. E. JUN. , FRAZEE J. S. , ROSS S. T. , WAWRO J. , WISE M. , FLAIM K. E. , SAWYER J. L. , ERICKSON R. W. , EZEKIEL M. , OHLSTEIN E. H. , BERKOWITZ B. A. 
Published: May 2016

AbstractStarting with the substituted benzaldehydes (I) or (VI), the aralkylimidazolethiones (V) and (VIII) are prepared by cyclization of the α‐aminodimethylacetals (III) or (VII) in the presence of potassium thiocyanate (IV).
ChemInform Abstract: Dopamine Autoreceptor Agonists: Resolution and Pharmacological Activity of 2,6‐Diaminotetrahydrobenzothiazole and an Aminothiazole Analogue of Apomorphine.
Authors: SCHNEIDER C. S. , MIERAU J. 
Published: May 2016

AbstractBromination of the acetamidocyclohexanone (I) and subsequent cyclization with thiourea (II) produce the tetrahydrobenzothiazole (±)‐(III) which is converted into the enantiomeric amines (V).
ChemInform Abstract: The Reaction of 1‐Methyl‐2‐vinylindoles with 4‐Phenyl‐1,2,4‐triazoline‐ 3,5‐dione.
Authors: SANCHIS‐LLORCA R. T. , SEPULVEDA‐ARQUES J. , ZABALLOS‐GARCIA E. , JONES R. A. 
Published: May 2016

AbstractThe vinylindoles (I) react with the phenyltriazolinedione (II) to yield the 1:1 adducts (III).
ChemInform Abstract: Synthesis and Reactions of 2,6‐Bis(tert‐butyldimethylsilyloxy)‐3,4‐dihydropyridine, a New, Reactive Heterodiene.
Authors: RIED W. , REIHER U. 
Published: May 2016

AbstractThe title compound (III) is synthesized by double silylation of glutarimide (I).
ChemInform Abstract: Regioselective Addition of Nucleophiles to 1‐(Phenoxycarbonyl)‐3‐trialkylstannylpyridinium Salts.
Authors: COMINS D. L. , MANTLO N. B. 
Published: May 2016

AbstractThe stannylpyridines (I) react with phenyl chloroformate (II) and the organometallic compounds (III) to produce mixtures of the alkylated N‐acyldihydropyridines (IV) and (V).
ChemInform Abstract: 2‐Methylthiazolium Salts as 1,4‐Dinucleophiles. Thiazolo(3,2‐a)pyridinium Salts from Westphal Condensation.
Authors: GALERA C. , VAQUERO J. J. , GARCIA NAVIO J. L. , ALVAREZ‐BUILLA J. 
Published: May 2016

AbstractThe thiazolium salts (III), prepared by quaternization of the thiazoles (I), are coupled with the 1,2‐dioxo derivatives (IV), producing the thiazolopyridinium salts (V).
ChemInform Abstract: Synthesis of D‐Oxa Tricyclic Partial Ergolines as Dopamine Agonists.
Authors: BOOHER R. N. , KORNFELD E. C. , SMALSTIG E. B. , CLEMENS J. A. 
Published: May 2016

AbstractStarting with 2,4‐dimethoxyaniline (I), the hexahydro‐N‐propylbenzoxazinone (VI) is synthesized.
ChemInform Abstract: Quinolonecarboxylic Acids. Part 2. Synthesis and Antibacterial Evaluation of 7‐Oxo‐2,3‐dihydro‐7H‐pyrido(1,2,3‐de)(1,4)benzothiazine‐6‐carboxylic Acids.
Authors: CECCHETTI V. , FRAVOLINI A. , FRINGUELLI R. , MASCELLANI G. , PAGELLA P. , PALMIOLI M. , SEGRE G. , TERNI P. 
Published: May 2016

AbstractThe benzothiazines (II) are transformed into the pyridobenzothiazines (IV) by coupling with the unsaturated malonates (I), followed by cyclization and hydrolysis.
ChemInform Abstract: Catalytic Rearrangement of Tris‐(2‐Substituted‐2‐propenyl) Cyanurates.
Authors: KLENOVICH S. V. , PASHKINA E. P. , LIKHTEROV V. R. , TSAREVA L. A. , ETLIS V. S. 
Published: May 2016

AbstractThe triallyl cyanurates (III) are prepared.
ChemInform Abstract: Reaction of the Adduct of Phenyltetrachlorophosphorane and Ethyl Vinyl Ether with Phosphine.
Authors: FRIDLAND S. V. , LAPTEVA L. I. 
Published: May 2016

AbstractThe adduct, obtained from the phosphorane (I) and the vinyl ether (II), reacts with phosphine (III) to give the phosphinic chlorides (IV) and (V), together with the phosphonous dichloride (VI).
ChemInform Abstract: Reaction of Tris(dimethylamino)phosphine with 1,2‐Dimercaptoethanol.
Authors: AKHMETKHANOVA F. M. , PROSKURNINA M. V. , ZLOTSKII S. S. , PAKHMANKULOV D. L. 
Published: May 2016

AbstractReaction of the phosphorus amide (I) with the dithiol (II) gives the diphosphite (III) instead of the expected phosphorane (IV).
ChemInform Abstract: Mono‐ and Di‐carbonyl Complexes of Molybdenum(II) with Mixed Bidentate Ligands. X‐Ray Crystal Structure of (MoBr2(CO)(bipy)(Ph2PCH2PPh2)) (bipy: 2,2′‐bipyridine): A Novel Type of (M(bidentate)2(unidentate)3) Structure.
Authors: ARNAIZ F. J. , GARCIA G. , RIERA V. , DROMZEE Y. , JEANNIN Y. 
Published: May 2016

AbstractThe seven‐coordinated dicarbonyl‐Mo complexes (II) with bidentately coordinated NN‐ligands and with only via one P atom coordinated diphosphine are prepared as shown starting from the NN‐ligand tetracarbonyl complexes (I).
ChemInform Abstract: Reaction of Monoborane with Tris(cyclopentadienyl)uranium(IV) Derivatives.
Authors: PORCHIA M. , BRIANESE N. , OSSOLA F. , ROSSETTO G. , ZANELLA P. 
Published: May 2016

AbstractThe U(IV) compounds (I) react with the labile borane adducts (II) to give the well known borate derivative (III).
ChemInform Abstract: Synthesis and Characterization of Technetium‐(IV) and ‐(III) Complexes with Bidentate Schiff Bases. X‐Ray Molecular Structure of Chloro(dimethylphenylphosphine)bis(N‐phenylsalicylideneiminato)technetium(III).
Authors: DUATTI A. , MARCHI A. , ALVAREZ LUNA S. , BANDOLI G. , MAZZI U. , TISATO F. 
Published: May 2016

AbstractStarting with (I) or (IV) the complexes (II), (III) or (V) of the long‐lived isotope technetium‐99 are synthesized.
ChemInform Abstract: Borane‐THF as a Dual Reagent. Preparation and Characterization of the Metal‐Rich Cobaltaborane (μ3‐H)2((η5‐C5H5)Co)4B2H2.
Authors: FEILONG J. , FEHLNER T. P. , RHEINGOLD A. L. 
Published: May 2016

AbstractBH3 induces the removal of the two ligands from the complex (I).
ChemInform Abstract: Studies of Cobalt Carbonyls on Oxide Supports. Part 4. Nitric Oxide Reactions with Cobalt Carbonyls.
Authors: NEWCOMB T. P. , GOPAL P. G. , WATTERS K. L. 
Published: May 2016

AbstractThe reaction of Co2(CO)8 and Co4(CO)12, supported on silica, γ‐alumina, Na‐Y and Na‐X zeolites and magnesia, with NO is investigated by IR spectroscopy, manometry, mass spectrometry and isotopic exchange.
ChemInform Abstract: Sequence‐Dependent Platinum Chelation by Adenylyl(3′‐5′)guanosine and Guanylyl(3′‐5′)adenosine Reacting with cis‐Diamminedichloroplatinum(II) and Its Diaquo Derivative.
Authors: VAN HEMELRYCK B. , GIRAULT J.‐P. , CHOTTARD G. , VALADON P. , LAOUI A. , CHOTTARD J.‐C. 
Published: May 2016

Abstractcis‐PtCl2(NH3)2 and cis‐(Pt(NH3)2(OH2)2)(NO3)2 react with ribo‐ApG (IIIa) or ribo‐GpA (IIIb) in H2O at pH 5.5 to give only the Pt chelate (Ia) with anti,anti configuration of the bases or four isomeric adducts, the N7N1'‐chelate (II) as well as three N7N7'‐chelates (Ib) with GantiAanti, GantiAsyn and probably GsynAsyn structure, respectively.
ChemInform Abstract: Shaping the Absorption and Fluorescence Bands of a Class of Efficient, Photoactive Chromophores: Synthesis and Properties of Some New 3H‐Xanthen‐3‐ones.
Authors: SAUERS R. S. , HUSAIN S. N. , PIECHOWSKI A. P. , BIRD G. R. 
Published: May 2016

AbstractThe substituted 6‐amino‐3H‐xanthen‐3‐ones (III) and the thio analogue (V) are synthesized from the resorcinols (II) or thioresorcinol (IV) as outlined in the reaction scheme.
ChemInform Abstract: A Revised Structure for the Marine Bromoindole Derivative Citorellamine.
Authors: MORIARTY R. M. , ROLL D. M. , KU Y.‐Y. , NELSON C. , IRELAND C. M. 
Published: May 2016

AbstractThe structure of citorellamine (I) is verified by its independent synthesis from the indole carbaldehyde (V).
ChemInform Abstract: Synthesis and 3′‐Substituent Effects of Some 7α‐Methoxy‐1‐oxacephems on Antibacterial Activity and Alkaline Hydrolysis Rates.
Authors: NARISADA M. , NISHIKAWA J. , WATANABE F. , TERUI Y. 
Published: May 2016

AbstractThe oxacephems (I) are prepared from compounds such as (II).
ChemInform Abstract: Superconductivity Below 40 K in Orthorhombic Structure La2CuO4.
Authors: BEILLE J. , CABANEL R. , CHAILLOUT C. , CHEVALIER B. , DEMAZEAU G. , DESLANDES F. , ETOURNEAU J. , LEJAY P. , MICHEL C. , PROVOST J. , RAVEAU B. , SULPICE A. , THOLENCE J.‐L. , TOURNIER R. 
Published: May 2016

AbstractFrom resistivity, susceptibility, and Meissner effect measurements it is derived for the first time that La2CuO4 is superconducting.
ChemInform Abstract: Zn/Al Salt(aq)/MnO2 Galvanic Cell with High Voltage and High Energy Density.
Authors: SHOJI T. , YAMAMOTO T. 
Published: May 2016

AbstractWhen an aqueous solution of AlCl3 with a concentration of 3 M, which is almost a saturated solution, is used as the electrolyte, the title cell shows rather flat discharging voltage (averaged discharging voltage of 1.78 V) with high discharging voltage until ∼85% of the one‐electron capacity (12.3 mA h or discharging of 6.2 h at 2 mA) of MnO2 is discharged.
ChemInform Abstract: Polarity and Basicity of Solvents. Part 3. A New IR Spectroscopic Indicator of Hydrogen‐Bonding Basicity.
Authors: NICOLET P. , LAURENCE C. , LUCON M. 
Published: May 2016

AbstractShifts of the carbonyl stretching vibration of CCl3COOH are measured for a series of 34 common solvents.
ChemInform Abstract: Benzo‐Fused 10π‐Heteroaromatics as Dienophiles in Diels‐Alder Cycloaddition with Electron Demand.
Authors: SEITZ G. , MOHR R. 
Published: May 2016

AbstractThe tetrazine (I) undergoes cycloaddition reaction with the benzo‐fused heterocycles (II), yielding the primary adducts (III) which release nitrogen to form the isomeric tricycles (IV) and (V).
ChemInform Abstract: Reaction of Benzoyl Isothiocyanate with Active Methylene Reagents: A Convenient Synthesis of Pyrazolo(5,4‐c)pyrazole, 1,3‐Oxazine, Thiazole and Pyrimidine Derivatives.
Authors: MOHAREB R. M. , HABASHI A. , IBRAHIM N. S. , SHERIF S. M. 
Published: May 2016

AbstractBenzoyl isothiocyanate (I) reacts with the sodium salts of ethyl cyanoacetate (II), malononitrile (V) and acetylacetone (VI) to form the 1:1 adducts (III), (IV), and (VII).
ChemInform Abstract: Reactions of Singlet Oxygen with Alkoxy‐Substituted Dienes. Formation of Dioxetanes in the Singlet Oxygenations of s‐Cis Fixed Dienes (Z,Z)and (E,Z)‐4,5‐Diethylidene‐2,2‐dimethyl‐1,3‐dioxolanes.
Authors: CLENNAN E. L. , NAGRABA K. 
Published: May 2016

AbstractOxidation of the cis‐dienes (I) and (IV) with singlet oxygen gives the unstable dioxetanes (II), (V), and (VI), together with the endoperoxides (III) and (VII).
ChemInform Abstract: Asymmetric Synthesis via Acetal Templates. Part 13. Preparation of Aldol Compounds from Butane‐1,3‐diol Acetals.
Authors: SILVERMAN I. R. , EDINGTON C. , ELLIOTT J. D. , JOHNSON W. S. 
Published: May 2016

AbstractThe acetals (III), obtained by acetalization of (I) with the chiral diol (II), undergo coupling with the enol ether (IV) to give the aldol ethers (V) and (VI) with high diastereoselectivity in favour of (V).
ChemInform Abstract: Synthesis and Properties of Methano Bridged Tetradehydro‐(18)annulene, ‐(20)annulene, ‐(22)annulene, ‐(24)annulene, and the Related (1,3)Cyclophanpolyenediyne Compounds.
Authors: OJIMA J. , EJIRI E. , KATO T. , NAKAMURA M. , KURODA S. , HIROOKA S. , SHIBUTANI M. 
Published: May 2016

AbstractThe title annulenes (III) are obtained by Wittig reaction of the dialdehydes (I) with the phosphonium salt (II).
ChemInform Abstract: Regioselectivity in the Photochemical Ring Contraction of 4‐Diazopyrazolidine‐3,5‐diones to Give Aza‐β‐lactams.
Authors: LAWTON G. , MOODY C. J. , PEARSON C. J. , WILLIAMS D. J. 
Published: May 2016

AbstractPhotolysis of the diazopyrazolidinediones (I) in the presence of a nucleophile (II) gives mixtures of the isomeric diazetidinones (III) and (IV); the regioselectivity depending on the substituents.
ChemInform Abstract: An Optimized Procedure to Prepare 3‐Acylindoles: Triethyl Orthoacetate and Trimethyl Orthobenzoate as Effective Acylation Reagents.
Authors: PFEUFFER L. , SODY E. , PINDUR U. 
Published: May 2016

AbstractThe indoles (I) react regioselectively with the orthoesters (II) to produce the 3‐acetyl or 2‐benzoylindoles (III).
ChemInform Abstract: The Lithiation of 1‐(Phenylthiomethyl)benzimidazole and Related Compounds.
Authors: KATRITZKY A. R. , RAMER W. H. , LAM J. N. 
Published: May 2016

AbstractThe lithio derivative generated from (I) reacts with various electrophiles such as (II), (V) or (VI) to give, at low temp., the 2‐substituted products (III) or (IV), whereas at higher temp. the α‐substituted product (VII) is formed.
ChemInform Abstract: Synthesis of Substituted Dibenzophospholes. Part 6. Preparation of Symmetrical and Non‐Symmetrical Quaterphenyl Intermediates.
Authors: CORNFORTH J. , KUMAR A. , STUART A. S. 
Published: May 2016

AbstractA synthetic route to the dinitroquaterphenyl (VI) is described, the key steps being the arylation of the starting dinitrobenzene (I) with the iodide (II) and the coupling of the biphenyl (V) to give (VI).
ChemInform Abstract: Hydroboration of Dimethylaminomethylenephenylphosphine.
Authors: ARBUZOV B. A. , ERASTOV O. A. , IONKIN A. S. , IGNAT'EVA S. N. , EFREMOV YU. YA. , NEKHOROSHKOV V. M. 
Published: May 2016

AbstractDimethylaminomethylenephosphine (I) reacts with catecholborane (II) to give the azaphosphaboretidine (III) which decomposes upon heating under reduced pressure to form dimethylaminocatecholborane (IV).