bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Novel Syntheses of Monofunctionalized Triaza‐Crowns and Cyclams with a Secondary Amine Group on a Side Chain.
Authors: KRAKOWIAK K. E. , BRADSHAW J. S. , DALLEY N. K. , JIANG W. , IZATT R. M. 
Published: May 2016

AbstractThe bis(chloroacetylamines) (I) undergo ring closure with N‐(acetyl)ethylenediamine (II) to give the triaza(di)oxamacrocycles (III).
ChemInform Abstract: A Synthetic Route to Poly(silyl)methanes via Poly(phenylsilyl)methanes and Poly(bromosilyl)methanes.
Authors: HAGER R. , STEIGELMANN O. , MUELLER G. + , SCHMIDBAUR H. 
Published: May 2016

AbstractTri‐ and disilylmethanes (VI), two feedstock gases for the chemical vapor deposition of amorphous hydrogenated silicon/carbon alloys (a‐SiC=H), are synthesized according to the scheme.
ChemInform Abstract: Reaction of 3‐Phenyl‐3‐chloro‐2‐ketopropionic Acid N,N‐Dimethylamide and Methyl Ester with Triphenylphosphine.
Authors: MAMEDOV V. A. , NURETDINOV I. A. , POLUSHINA V. L. 
Published: May 2016

AbstractThe chlorophenylpyruvic amide (I) is coupled with triphenylphosphine (II) to give the phosphonium salt (III).
ChemInform Abstract: The Chemistry of Rhenium and Tungsten Porphyrin Complexes in Low Oxidation States. Synthesis and Characterization of Rhenium and Tungsten Porphyrin Dimers Containing Metal‐Metal Multiple Bonds.
Authors: COLLMAN J. P. , GARNER J. M. , WOO L. K. 
Published: May 2016

AbstractThe coordination chemistry of the W(IV) complex (II) and the W(II) complexes (IV) and (VI) as well as this of the tetraphenylporphyrin analogues is found similar to that of the analogous Mo porphyrin complexes by spectroscopic and magnetic measurements.
ChemInform Abstract: Reactions Involving Carbon Dioxide and Mixed Amido‐Phosphido Dinuclear Compounds: M2(NMe2)4(PR2)2(MM), Where M: Mo and W. Comparative Study of the Insertion of Carbon Dioxide into Metal‐Nitrogen and Metal‐Phosphorus Bonds.
Authors: BUHRO W. E. , CHISHOLM M. H. , MARTIN J. D. , HUFFMAN J. C. , FOLTING K. , STREIB W. E. 
Published: May 2016

AbstractThe insertion W complex (IIIb) crystallizes in P1 with Z=2.
ChemInform Abstract: Coordination Chemistry of Group 14 Metalloles. Part 5. Use of Dicarbonyl(η5‐cyclopentadienyl)(1‐methyl‐2,5‐diphenylsilacyclopentadien‐1‐y# l)iron as a Four‐Electron Ligand: Chemical Properties and Dynamic Stereochemistry of the Complexes.
Authors: COLOMER E. , CORRIU R. J. P. , LHEUREUX M. 
Published: May 2016

AbstractChlorine is displaced in the silole (I) by (η5‐cyclopentadienyl)dicarbonylferrate(I) (Fpc) to give the silole (III) with a Si‐Fe σ bond.
ChemInform Abstract: Kinetics of Formation, Dissociation, and Isomerization Reactions in Complexes of Cyanopyridines and Benzonitrile with Pentacyanoruthenate(II).
Authors: ALMARAZ A. E. , GENTIL L. A. , OLABE J. A. 
Published: May 2016

AbstractThe complexes of pentacyanoruthenate(II) with 3‐ and 4‐cyanopyridines and benzonitrile are prepared in aqueous solution by mixing (I) with the appropriate ligand.
ChemInform Abstract: Preparation, Properties, and Reactions of Metal‐Containing Heterocycles. Part 65. The Behavior of Tetracarbonyl(η2‐ethene)ruthenium Toward Activated Alkenes and Alkynes.
Authors: LINDNER E. , JANSEN R.‐M. , MAYER H. A. , HILLER W. , FAWZI R. 
Published: May 2016

AbstractThe η2‐ethylene‐Ru complex (I) reacts with the activated olefins (II) to give the substitution products (III).
ChemInform Abstract: Reduction‐Oxidation Properties of Organo‐Transition‐Metal Complexes. Part 30. Triazenido‐Bridged Carbonylrhodium Bipyridyl Complexes with (Rh2)2+, (Rh2)3+, and (Rh2)4+ Cores, and the X‐Ray Structures of (Rh2(CO)2(bipy)(μ‐RNNNR)2)(BF4)·CH2Cl2 and ((Rh2I(CO)(bipy)(μ‐RNNNR)2)2)(PF6)2·2.5 CH2Cl2 (R: p‐tolyl).
Authors: BRAUNS T. , CARRIEDO C. , COCKAYNE J. S. , CONNELLY N. G. , GARCIA HERBOSA G. G. , ORPEN A. G. 
Published: May 2016

AbstractThe incorporation of bipy into the redox active unit (I) has given (III), the precursor to a wide range of isolable, asym.
ChemInform Abstract: Cluster Activation via Cyclometalation. Formation of the Cyclometalated Triosmium Carbonyl Cluster (Os3H2(CO)9(P(C6H4)Ph)) and Its Reactions with Phosphorus Donor Ligands. The X‐Ray Crystal Structures of (Os3H2(CO)9(P(C6H4)Ph)) and (Os3H(CO)9(P(OMe)3)(PPh2)).
Authors: COLBRAN S. B. , IRELE P. T. , JOHNSON B. F. G. , LAHOZ F. J. , LEWIS J. , RAITHBY P. R. 
Published: May 2016

AbstractIn refluxing n‐octane, the cluster (I) undergoes cyclometalation to give the title compound (II) (space group P1, Z = 8).
ChemInform Abstract: Reactions of the Cyclometalated Triosmium Cluster (Os3H2(CO)9(P(C6H4)Ph)) with Bronsted Acids and Dihydrogen: Synthesis and X‐Ray Crystal Structure of (Os3H2(CF3CO2)(CO)9(μ‐PPh2)).
Authors: COLBRAN S. B. , IRELE P. T. , JOHNSON B. F. G. , KAYE P. T. , LEWIS J. , RAITHBY P. R. 
Published: May 2016

AbstractThe cyclometalated cluster (I) reacts with Bronsted acids HX (II) via a protonation then anion coordination sequence to give the addition products (III) with bridging diphenylphosphide.
ChemInform Abstract: Chelate‐Stabilized Tetrahydrofuran Complexes of Platinum(II). Crystal Structure of Cyclic (PtCl(Ph2PCH2C4H7O)(Ph2PCH2C4H7O))(PF6).
Authors: ALCOCK N. W. , PLATT A. W. G. , PRINGLE P. G. 
Published: May 2016

AbstractThe complex (I) reacts with the ligand (II) in 30 min instead of 67 h to give the cis isomer (V) in 93% yield.
ChemInform Abstract: Alloisolongifolene. Part 5. Allylic Functionalization Studies on Alloisolongifolene ‐ An Isopropenylic Tricyclic Sesquiterpene Hydrocarbon.
Authors: NAYAK U. R. , DEODHAR V. B. , DALAVOY V. S. 
Published: May 2016

AbstractReaction of the title compound (I) with SeO2 in AcOH/Ac2O gives the conjugated aldehyde (IIIb) as main product, whereas the expected acetate (IIIa) is formed as a minor product.
ChemInform Abstract: Constituents of Jatropha gossypifolia Linn: Synthesis of Prasanthaline, a New Lignan, and Isolation of Dihydroprasanthaline.
Authors: BANERJI J. , BOSE P. , DAS B. 
Published: May 2016

AbstractPrasanthaline (VIII) can be synthesized starting from veratraldehyde (I) as shown.
ChemInform Abstract: 1,2‐Difluorobenzene: A Relatively Inert and Noncoordinating Solvent for Electrochemical Studies on Transition‐Metal Complexes.
Authors: O'TOOLE T. R. , YOUNATHAN J. N. , SULLIVAN B. P. , MEYER T. J. 
Published: May 2016

AbstractThe title compound has a potential "window" of approximately +2.0 to ‐2.2 V vs.
ChemInform Abstract: Structure and Vibrational Spectra of a Na5H3(SeO4)4·2 H2O Crystal.
Authors: BARAN J. , LIS T. , STARYNOWICZ P. 
Published: May 2016

AbstractWell‐developed single crystals of the title selenate, grown from a saturated aqueous solution containing Na+ and HSeO4‐ ions (1:1) at 20 °C, belong to the triclinic space group P1 with Z=1.
ChemInform Abstract: Crystal Structures of the Bromo (Ia) and Iodo (Ib) Derivatives of the Nitroso Complexes of Ruthenium K2(RuNOX5).
Authors: MIKHAILOV YU. N. , KANISHCHEVA A. S. , SVETLOV A. A. 
Published: May 2016

AbstractThe title compounds (Ia) and (Ib) are prepared by standard procedures.
ChemInform Abstract: Equilibrium Between Protonic Species and Conductivity Mechanism in Antimonic Acid, H2Sb4O11·nH2O.
Authors: COLOMBAN PH. , DOREMIEUX‐MORIN C. , PIFFARD Y. , LIMAGE M. H. , NOVAK A. 
Published: May 2016

AbstractUsing IR spectroscopy, 1H NMR, TGA, and DSC, three types of protonic species, H3O+, H2O, and OH, attached to the covalent Sb4O11 framework, are shown to exist in antimonic acid.
ChemInform Abstract: 125Te and 19F NMR Spectroscopic Study of the Hydrolysis of Pentafluorotellurium Chloride: Evidence for trans‐ and cis‐HOTeF4Cl and cis,mer‐(HO)2TeF3Cl.
Authors: LAWLOR L. J. , MARTIN A. , MURCHIE M. P. , PASSMORE J. , SANDERS J. C. P. 
Published: May 2016

Abstract125Te and 19F NMR data show that the hydrolysis of TeF5Cl results in the formation of the known series (HO)nTeF6‐n (n = 2‐6), as well as of the previously unreported series (HO)nTeF5‐nCl (n = 1‐3) and some unidentified fluorotellurium(IV) compounds.
ChemInform Abstract: Structure of Diethyl 3,6‐Dihydroxy‐11,11‐dimethoxypentacyclo(6.5.0.04,12.05,10.09,13)tridecane‐2,6‐diene‐2,7‐dicarboxylate.
Authors: FLIPPEN‐ANDERSON J. L. , GILARDI R. , GEORGE C. , MARCHAND A. P. , REDDY G. M. 
Published: May 2016

AbstractThe reaction of the dione (I) with the ester (II) was recently found to produce a single bishomologation product.
ChemInform Abstract: Very Strong Binding of Appropriate Substrates by Cyclodextrin Dimers.
Authors: BRESLOW R. , GREENSPOON N. , GUO T. , ZARZYCKI R. 
Published: May 2016

AbstractTwo β‐cyclodextrin moieties are bridged in 6‐position by ‐S‐S‐ or the thioxanthone‐3,6‐dicarbonyl group.
ChemInform Abstract: Electrochemical and Spectroelectrochemical Studies of Bis(diketonate) Thorium(IV) and Uranium(IV) Porphyrins.
Authors: KADISH K. M. , LIU Y. H. , ANDERSON J. E. , DORMOND A. , BELKALEM M. , GUILARD R. 
Published: May 2016

AbstractBis(acetylacetonato)octaethylporphyrinatothorium(IV) and ‐uranium(IV) are investigated by cyclic voltammetry and polarographic measurements.
ChemInform Abstract: Intramolecular Reductive Coupling Reactions Promoted by Samarium Diiodide.
Authors: MOLANDER G. A. , KENNY C. 
Published: May 2016

AbstractSamarium diiodide is shown to be an extremely reliable reagent for promoting intramolecular reductive coupling, e.g. of substrates such as (I), (III), (V), (VII), (IX), or (XI) generating functionalized carbocycles such as those shown in the scheme.
ChemInform Abstract: The Effects of Pressure on the Hydrogenation of Benzene and Naphthalene Over Reduced and Sulfided Molybdena‐Alumina Catalysts.
Authors: REDEY A. , HALL W. K. 
Published: May 2016

AbstractAt 30 atm and 250 °C cyclohexane is the only product of the hydrogenation of benzene over reduced catalysts containing 8% Mo.
ChemInform Abstract: Mechanism of SnCl4‐Promoted Additions of Allylstannanes to Aldehydes: A Response to Denmark, Wilson, and Willson.
Authors: KECK G. E. , ANDRUS M. B. , CASTELLINO S. 
Published: May 2016

AbstractThe reaction of allyltri‐n‐butylstannane (IV) with the complexes formed from the three aldehydes (I) and (V) with SnCl4 is examined via variable‐temp.
ChemInform Abstract: Chiral Organosilicon Compounds in Organic Synthesis. Part 2. Enantioselective Synthesis of Homoallylic Alcohols.
Authors: CHAN T. H. , WANG D. 
Published: May 2016

AbstractThe bromomethylsilane (I) is coupled with the pyrrolidines (II) to give the 1‐(silylmethyl)pyrrolidines (IIIa) ‐ (IIId).
ChemInform Abstract: Rearrangement of 4‐Chloro‐4‐aryl(or alkenyl)cyclobutenones to p‐Chlorophenols.
Authors: XU S. L. , MOORE H. W. 
Published: May 2016

AbstractThe synthesis of the chloro derivatives (V) from dimethyl squarate (I) by two‐fold alkylation and subsequent chlorination is described briefly.
ChemInform Abstract: Convenient Approaches to Acetals from Phthalide: Monosubstituted Isobenzofurans.
Authors: TOBIA D. , BARANSKI J. , RICKBORN B. 
Published: May 2016

AbstractAddition of the alkyllithium agents (II) to phthalide (I) results in the formation of the salts (III) which are treated with ethanol (IV) to give the acetals (V) mentioned in the title.
ChemInform Abstract: Convenient Synthesis of 3‐(1‐(Phenylthio)alkyl)‐ and 3‐Alkyl‐Substituted 3‐Sulfolenes.
Authors: TSO H.‐H. , CHOU T. , LAI Y.‐L. 
Published: May 2016

AbstractUltrasound‐mediated coupling of the aldehydes (II) with the bromo sulfone (I) yields the alcohols (III) which are converted to the phenylthio derivatives (VIII) by a sequence of mesylation, elimination reaction, and addition of thiophenol (VII).
ChemInform Abstract: Synthesis and Biological Activity of Cyclano(b)pyrrolidinyl Alcohol Derivatives.
Authors: NIKOLAEVA T. G. , KULIKOVA L. K. , KRIVEN'KO A. P. 
Published: May 2016

AbstractStarting with the alcohols (I) or (VIII), the esters (III) and (XIV) and the carbamates (V) and (VII) are prepared by common methods.
ChemInform Abstract: Palladium‐Catalyzed Reactions in the Synthesis of 3‐ and 4‐Substituted Indoles. Part 4.
Authors: HEGEDUS L. S. , SESTRICK M. R. , MICHAELSON E. T. , HARRINGTON P. J. 
Published: May 2016

AbstractTreatment of the mercurioindole (I) with the bromomethacrylate (II) or acryloyl chloride (V) in the presence of Pd catalysts yields the corresponding substituted indole derivatives (III) and (VI).
ChemInform Abstract: Kinetics and Mechanism of the Decomposition in Aqueous Solutions of 2‐(Hydroxyamino)imidazoles.
Authors: BOLTON J. L. , MCCLELLAND R. A. 
Published: May 2016

Abstract2‐Nitroimidazoles of type (I) (‐NO2 instead of ‐NH‐OH) are currently in clinical trials or used as drugs.
ChemInform Abstract: Electronic Effects on the Regioselectivity of Nucleophilic Attacks on π‐Allylpalladium Complexes.
Authors: MORENO‐MANAS M. , RIBAS J. 
Published: May 2016

AbstractThe isomeric diphenylallyl acetates (I) and (VIII) react with the hydroxypyrone derivative (II) in the presence of a Pd catalyst to form mixtures of the substitution products (III) and (IV) with a constant ratio of (III) to (IV).
ChemInform Abstract: Synthesis of 2‐Substituted‐3‐methylchromon‐6‐ylalkanoic Acids from 6‐Acylchromones by 1,2‐Aryl Migration Using Hypervalent Iodine.
Authors: SINGH O. V. , PRAKASH O. , GARG C. P. , KAPOOR R. P. 
Published: May 2016

AbstractWith a view to the remarkable antispasmodic and antiinflammatory activity observed for 2‐arylalkanoic acids, the title compounds (IV) and (X) are prepared.
ChemInform Abstract: Formation of Methyl 5,6‐Dihydro‐1,3(4H)‐thiazine‐4‐carboxylates from 4‐Allyl‐1,3‐thiazol‐5(4H)‐ones.
Authors: JENNY C. , HEIMGARTNER H. 
Published: May 2016

AbstractThe conversion of the thiazolones (I) into the thiazine carboxylates (III) on treatment with HCl in MeOH is shown to be a common reaction for 4‐allyl‐substituted 1,3‐thiazol‐5(4H)‐ones.
ChemInform Abstract: Reactions of Boryloxymethyl‐ and Hydroxymethylphosphines with Amines.
Authors: NIKONOV G. N. , BALUEVA A. S. , ERASTOV O. A. , ARBUZOV B. A. 
Published: May 2016

AbstractThe dioxaphosphoniaboratinane (II) is coupled with diphenylamine (Ia) or anthranilic acid (Ib) to yield the substitution products (IIIa) and (IIIb), whereas reaction of (II) with m‐ (Ic) or p‐aminobenzoic acid (Id) produces the bisbetaines (V).
ChemInform Abstract: Xestolide and Secoxestenone: Degraded Triterpenoids from the Sponge Xestospongia vanilla.
Authors: NORTHCOTE P. T. , ANDERSEN R. J. 
Published: May 2016

AbstractThe title compounds (I) and (II) and the already known xestenone (III), isolated from X. vanilla as well, possess a novel terpenoid carbon skeleton.
ChemInform Abstract: Synthesis of α′‐Acyloxy Enones from Enones Using Manganese(III) Acetate in Combination with Manganese(II) Carboxylates or Carboxylic Acids.
Authors: DEMIR A. S. , JEGANATHAN A. , WATT D. S. 
Published: May 2016

AbstractReaction of various cyclic enones, e.g. (I), (V), or (IX) with an excess of the manganese carboxylates (II) or the carboxylic acids (IV) or (VII) and manganese triacetate yields acyloxy enones such as (III), (VI), (VIII), or (X).
ChemInform Abstract: Synthesis of (.+‐.)‐2,3‐Methanoproline: A Novel Inhibitor of Ethylene Biosynthesis.
Authors: SWITZER F. L. , VAN HALBEEK H. , HOLT E. M. , STAMMER C. H. , SALTVEIT M. E. JUN. 
Published: May 2016

AbstractThe title compound (VI) is prepared starting from the dehydroproline ester (I) as shown in the scheme.
ChemInform Abstract: Synthesis of ω‐Hydroxy Analogues of Valine, Leucine and Isoleucine.
Authors: ENGLISCH‐PETERS S. 
Published: May 2016

AbstractThe allo and iso isomers (V) and (VI) of γ‐hydroxy valine are prepared by a modified Erlenmeyer synthesis; the reaction sequence involves chromatographic separation of the E‐ and Z‐oxazolinones (III) and (IV) and subsequent conversion of the isomers into racemic allo‐ or iso‐γ‐hydroxy valine (V) or (VI) as shown for (V).
ChemInform Abstract: New Synthesis of DL‐α‐Amino Acids from tert‐Butyl N‐(Diphenylmethylene)oxamate.
Authors: BAZUREAU J. P. , PERSON D. , LE CORRE M. 
Published: May 2016

AbstractThe title agent (III), prepared from benzophenonimine (I) and the oxalyl chloride (II), is olefinated with the P‐ylids (IV) to give the azadienes (V).
ChemInform Abstract: Enantiospecific Synthesis of L‐α‐Aminosuberic Acid. Synthetic Applications in Preparation of Atrial Natriuretic Factor Analogues.
Authors: WERNIC D. , DIMAIO J. , ADAMS J. 
Published: May 2016

AbstractStarting with the protected L‐aspartic acid (I), the title acid (VI) is prepared via reduction of the amide (III), followed by Wittig olefination, hydrogenation, and hydrolytic deprotection.
ChemInform Abstract: Selective Azidation of L‐Sorbose. Application on a Rapid Synthesis of 1‐Deoxynojirimycine.
Authors: BEAUPERE D. , STASIK B. , UZAN R. , DEMAILLY G. 
Published: May 2016

AbstractSorbose (I) is transformed into the azide (V) via the acetonide (III).
ChemInform Abstract: Conformational Study of Cinchona Alkaloids. A Combined NMR, Molecular Mechanics, and X‐Ray Approach.
Authors: DIJKSTRA G. D. H. , KELLOGG R. M. , WYNBERG H. , SVENDSEN J. S. , MARKO I. , SHARPLESS K. B. 
Published: May 2016

AbstractThe conformations of dihydroquinidine (Ia), its derivatives (Ib) and (Ic) and 5 related alkaloids in solution are determined by NOE difference and NOESY NMR techniques.
ChemInform Abstract: Novel Synthesis of 1,7‐Dihydrohept‐4‐yne Derivatives: Application to the Total Synthesis of (.+‐.) Patulolide A.
Authors: YADAV J. S. , KRISHNA P. R. , GURJAR M. K. 
Published: May 2016

AbstractThe alkylation of the furan (I) by epoxides, e.g. (II), yields alkynes of type (III) which may be used for the preparation of natural compounds such as patulolide A (X).
ChemInform Abstract: 19F MAS and 31P MAS NMR Investigations on Crystalline Monofluorophosphates. Part 1. Tensor of the 31P Chemical Shift in K3Na(PO3F)2.
Authors: GRIMMER A.‐R. , NEELS J. 
Published: May 2016

AbstractThe principal values of the chemical shift tensor and the dipolar coupling tensor are derived from the observed intensities of the rotation sidebands using a modified Herzfeld‐Berger method.
ChemInform Abstract: The Tetramethylammonium Salts of ClF‐ 4, BrF‐ 4, and BrF‐ 6
Authors: WILSON W. W. , CHRISTE K. O. 
Published: May 2016

Abstractare synthesized as stable crystalline solids by the metathetical reactions outlined in the scheme and are characterized by vibrational (IR, Raman) and 19F NMR spectroscopy.
ChemInform Abstract: Ba(NO3)2·2 H2O: A Structure Stabilized by Anionic Impurities.
Authors: BARNES J. C. , BETHELL D. E. , BLYTH C. S. , HOLME T. R. , SMITH G. B. 
Published: May 2016

AbstractIn an attempt to make barium cyanate using barium nitrate as the source of barium ions aqueous solutions of barium nitrate and potassium cyanate are mixed and allowed to evaporate at 20 °C. The well formed highly transparent crystals obtained are found to be cyanate‐doped Ba(NO3)2·2 H2O (cubic, F43c).
ChemInform Abstract: Synthesis and Structure of 1,2,3 Superconductors with Alkaline‐Earth Ions.
Authors: NARDIN G. , RANDACCIO L. , ZANGRANDO E. 
Published: May 2016

AbstractIn order to obtain further insight into the influence of Ba replacement on the properties and structures of YBa2Cu3O7‐x superconductors, mixed oxides of the composition YM2Cu3O7‐x with M: Ba, Sr, Ca, or mixtures of two alkaline‐earth metals are synthesized and characterized.
ChemInform Abstract: Optically Active Transition‐Metal Complexes. Part 96. Thermal and Electrocatalytic Epimerization at Iron as the Chiral Center.
Authors: BRUNNER H. , FISCH K. , JONES P. G. , SALBECK J. 
Published: May 2016

AbstractElectron‐transfer induced configurational changes at the chiral Fe atom of complexes are demonstrated for the compounds (I) and (II), whose absolute configurations are confirmed by X‐ray structure analyses ((I) and (II): P212121, Z=4).
ChemInform Abstract: Light‐Sensitive Molecular Building Blocks with Electron Transfer Activity: Synthesis and Properties of a Photochemically Switchable, Dicyanovinyl‐Substituted Furan.
Authors: DAUB J. , SALBECK J. , KNOECHEL T. + , FISCHER C. , KUNKELY H. , RAPP K. M. 
Published: May 2016

AbstractPhotolysis of the dihydroazulene (I) at ‐50 °C leads to formation of the vinylheptafulvene (II), and the originally orange solution changes to blue.
ChemInform Abstract: Facile Reductive Cleavage of Oximes with a Low‐Valent Titanium Reagent.
Authors: BALICKI R. , KACZMAREK L. , MALINOWSKI M. 
Published: May 2016

AbstractThe chemical nature of the reagent system TiCl4/SnCl2, which is used in situ as a dark slurry in THF, is not further explained.
ChemInform Abstract: Dihydropentalenes and 6‐Vinylfulvenes from Cyclopentadienyl‐cyclopropenes. Reaction of 1,2,3‐Tris((tert.‐butyl)thio)cyclopropenylium Tetrafluoroborate with Cyclopentadienide.
Authors: GUGGISBERG D. , BIGLER P. , NEUENSCHWANDER M. , ENGEL P. 
Published: May 2016

AbstractDepending on the conditions the reaction between the cyclopropenylium salt (I) and sodium cyclopentadienide (II) affords the vinylpentafulvalene (III) along with trace amounts of the calicene (IV) and the dihydropentalene (V) or a mixture of these compounds (III)‐(V) in near to equal amounts.
ChemInform Abstract: Reductive Transformations. Part 13. Stack‐Type Redox Systems: Synthesis via Repeated Carbanion Alkylation and Electron Transfer Studies.
Authors: ALEXANDER J. , EHRENFREUND M. , FIEDLER J. , HUBER W. , RAEDER H.‐J. + , MUELLEN K. + 
Published: May 2016

AbstractStacked (14)annulenes up to five layers are accessible in a one‐pot reaction by repetive reductive alkylation of dicyclopentaheptalene (I).
ChemInform Abstract: Synthesis of Hydroxylated Binaphthoquinones via Amine/Hydroxyl Exchange ‐ Reaction of 2,2′‐Binaphthyl‐1,4;1′,4′‐diquinones with Piperidine.
Authors: LAATSCH H. 
Published: May 2016

AbstractThe hydroxylation of dimeric naphthoquinones such as (I) can be achieved using three successive steps: 1. Addition of piperidine (II) to (I) gives the amines (III).
ChemInform Abstract: Directed Metalation of N,N‐Diethylbenzamides. Silylated Benzamides for the Synthesis of Naturally Occurring peri‐Methylanthraquinones and peri‐Methyl Polycyclic Aromatic Hydrocarbons.
Authors: MILLS R. J. , SNIECKUS V. 
Published: May 2016

AbstractThe naturally occurring anthraquinones (VII) and (X) are synthesized as outlined in the reaction scheme.
ChemInform Abstract: Synthesis and Reaction of ortho‐Fluoronitroaryl Nitroxides. Novel Versatile Synthons and Reagents for Spin‐Labeling Studies.
Authors: HANKOVSZKY H. O. , HIDEG K. , LOVAS M. J. , JERKOVICH G. , ROCKENBAUER A. , GYOER M. + , SOHAR P. 
Published: May 2016

AbstractThe title nitroxides (IV), (V) and (VI) are prepared as shown for (IV).
ChemInform Abstract: Synthesis of Indolothiazoles and Indolothiazolidinones.
Authors: HIREMATH S. P. , BAJJI A. C. , BIRADAR J. S. 
Published: May 2016

AbstractSince indoles as well as thiazoles are known to possess biological activities, a series of title compounds which include both structure types are prepared starting from (IV), (IX) and (XII).
ChemInform Abstract: Synthesis of Alkyl‐Substituted N‐Protected Indoles via Acylation and Reductive Deoxygenation.
Authors: KETCHA D. M. , LIEURANCE B. A. , HOMAN D. F. J. , GRIBBLE G. W. 
Published: May 2016

AbstractFriedel‐Crafts acylation of the indoles (I) yields the 3‐acyl derivatives (III) which are reduced to produce the corresponding ethylindoles (IV).
ChemInform Abstract: Asymmetric Synthesis of Pyrrolizidinones by Radical Cyclization of N‐Allylic Pyroglutamates.
Authors: KEUSENKOTHEN P. F. , SMITH M. B. 
Published: May 2016

AbstractRadical‐induced cyclization of the vinylpyrrolidine (I) gives the pyrrolizidinone (II).
ChemInform Abstract: The 2‐ and 4‐Nitro and 2‐ and 4‐Acetamido 5,6,7,8,9,10‐Hexahydro Derivatives of Cyclohepta(b)indole.
Authors: ANDERSON A. G. JUN. , RICHARDS H. F. , HADDOCK R. D. 
Published: May 2016

AbstractCyclization of cycloheptanone p‐nitrophenylhydrazone (I) yields the hexahydrocycloheptaindole (II) which is reduced and phenacetylated to give the acetamido derivative (V).