bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Experimental Investigations on the Tungsten Transport in Systems Containing Fluorine Compounds.
Authors: RIESEL L. , DIMITROV A. , SZILLAT P. , VOGT H. 
Published: May 2016

AbstractFrom investigations of the chemical processes in tungsten incandescent lamps containing gaseous fluorides, e.g. C2Br2F4, as the transportation agent by IR and UV spectroscopic and MS analysis of the gas phase as well as by analysis of the deposits at the wall and changes at the filament it is concluded, that fluorine containing gases are converted irreversibly into SiF4 which also maintains the chemical W transport.
ChemInform Abstract: Synthesis of Co(III) Molybdoheteropolyanions Using Carbonato‐Ammine Co(III) Complexes as Starting Materials.
Authors: NOMIYA K. , WADA M. , MURASAKI H. , MIWA M. 
Published: May 2016

AbstractThe preparation of the Co(III) molybdoheteropolyanions (I) and (II) has been systematically investigated using the complexes (IV)‐(V) as starting materials.
ChemInform Abstract: Benzobisdithiazole (BBDT): An ESR Study.
Authors: DORMANN E. , NOWAK M. J. , WILLIAMS K. A. , ANGUS R. O. JUN. , WUDL F. 
Published: May 2016

AbstractThe ESR spectra of the title compound (I) in its neutral and radical cation states in solution and in the solid state are compared with those of benzodithiazole (II) and of the radical cation of the synthetic precursors (III).
ChemInform Abstract: Extended Hückel Molecular Orbital Study of the Effects of Edge‐Bridging Hydrogen Atoms on the Lengths of Boron‐Boron and Metal‐Metal Bonds in Cluster Compounds, and the Crystal Structure of Benzyltrimethylammonium Octahydrotriborate(1‐).
Authors: MITCHELL G. F. , WELCH A. J. 
Published: May 2016

AbstractThe results of EHMO calculations are used to identify the cause of the general lengthening of B‐B and M‐M connectivities in clusters such as (I)‐(V) as a consequence of H‐bridging.
ChemInform Abstract: The Ring‐Stacking Principle in Organolithium Chemistry: Its Development Through the Isolation and Crystal Structures of Hexameric Iminolithium Clusters (RR′C=NLi)6 (R′: Ph, R: tBu or Me2N; R = R′: Me2N or tBu).
Authors: ARMSTRONG D. R. , BARR D. , SNAITH R. , CLEGG W. , MULVEY R. E. , WADE K. , REED D. 
Published: May 2016

AbstractThe two new iminolithium compounds (Ia) and (Ib) are prepared by addition reactions of organolithium reagents to nitriles.
ChemInform Abstract: Lewis‐Base Adducts of Group 11 Metal(I) Compounds. Part 28. Solid‐State 31P Cross‐Polarization Magic‐Angle Spinning NMR and Structural Studies on the Mononuclear 3:1 Adducts of Triphenylphosphine with Copper(I) Halides.
Authors: BARRON P. F. , DYASON J. C. , HEALY P. C. , ENGELHARDT L. M. , PAKAWATCHAI C. , PATRICK V. A. , WHITE A. H. 
Published: May 2016

AbstractThe unsolvated bromide and iodide complexes are isomorphous and crystallize like the chloride analogue in the space group P3 with Z=3.
ChemInform Abstract: Preparation and Structure of Ag2C4O4.
Authors: ROBL CH. , WEISS A. 
Published: May 2016

AbstractWhen a mixture of 2 M HNO3, 1 M NaNO3 and 0.1 M Na2C4O4 (neutralized to pH 5) is covered with 1 M AgNO3 after gelatinizing colorless and yellow crystals of Ag squarates grow.
ChemInform Abstract: Configurational Statistics of Acyl Chains in Polyunsaturated Lipid Bilayers from 2H NMR.
Authors: SALMON A. , DODD S. W. , WILLIAMS G. D. , BEACH J. M. , BROWN M. F. 
Published: May 2016

AbstractThe characteristic 2H NMR signatures of the phospholipid (I) in the Lα phase, in which the palmitoyl chain is perdeuterated, are reported.
ChemInform Abstract: Anchimeric Assistance by the Methoxy Group in Solvolysis of the Compounds (Me3Si)2C(SiMe2OMe)(SiMe2X).
Authors: EABORN C. , ROMANELLI M. N. 
Published: May 2016

AbstractThe solvolysis of the title compounds with MeOH‐dioxane and with CF3CH2OH‐dioxane is studied for X: ‐Cl, ‐F, and O‐CO‐Ph, and with MeOH‐dioxane only for further X: ‐Br, ‐ONO2, ‐OTos, ‐SCN, ‐O‐CO‐CF3, ‐OAc, ‐NCS, ‐N3, ‐H, ‐OMe, and ‐OH.
ChemInform Abstract: Intramolecular 1,3‐Dipolar Cycloaddition of Alkyl Azidoalkylidenemalonate and 1,3‐Dipolar Cycloreversion of the Triazoline Intermediate: Synthesis and Reactions of an N‐Sulfonyl‐2,4‐dihydropyrrolo(3,4‐b)indole.
Authors: SHA C.‐K. , CHUANG K.‐S. , WEY S.‐J. 
Published: May 2016

AbstractThe dihydropyrroloindole (V) and its ester (VII) are prepared from the indole (I), the key steps being the intramolecular 1,3‐dipolar cycloaddition of the azide derived from (III) and the 1,3‐dipolar cycloreversion of the triazoline (IV).
ChemInform Abstract: Studies in Macrolide Synthesis: Aldol Condensations of Chiral Ethylketones via Boron Enolates.
Authors: PATERSON I. , MCCLURE C. K. 
Published: May 2016

AbstractThe chiral β‐siloxyketones (I) are converted to the boron enolates (III) which are coupled with the aldehydes (IV), yielding the diastereomeric aldol adducts (V) ‐ (VIII).
ChemInform Abstract: Cation‐Stabilizing Auxiliaries: A New Concept in Biomimetic Polyene Cyclization.
Authors: JOHNSON W. S. , TELFER S. J. , CHENG S. , SCHUBERT U. 
Published: May 2016

AbstractA concept is presented which allows the enhancement of highly stereoselective polyene cyclizations by a cation‐stabilizing auxiliary appropriately positioned on the substrate.
ChemInform Abstract: Alkene Cyclizations of N‐Alkenyl‐α‐(methylsulfinyl)acetamides and N‐Alkenyl‐α‐chloro‐α‐(methylthio)acetamides: Novel Synthesis of Five‐, Six‐, and Seven‐Membered Lactams.
Authors: ISHIBASHI H. , IKEDA M. , MAEDA H. , ISHIYAMA K. , YOSHIDA M. , AKAI S. , TAMURA Y. 
Published: May 2016

AbstractThe α‐(methylsulfinyl)acetamides (I) or (V) and the α‐chloro‐α‐(methylthio)acetamides (for example (IX)) derived from (VIII) or (XI) undergo cyclization to give the lactams shown in the scheme.
ChemInform Abstract: Tandem Michael Reactions for the Construction of Highly Functionalized Five‐Membered Rings.
Authors: BUNCE R. A. , WAMSLEY E. J. , PIERCE J. D. , SHELLHAMMER A. J. JUN. , DRUMRIGHT R. E. 
Published: May 2016

AbstractThe tandem Michael reaction between (I) and (II) produces mixtures of the diastereomeric cyclopentanes (III) and (IV).
ChemInform Abstract: Photochemistry of Organohalogenic Molecules. Part 20. The Effect of Cycloalkene Structure on the (2 + 2) Photocycloaddition to Hexafluorobenzene.
Authors: SKET B. , ZUPANCIC N. , ZUPAN M. 
Published: May 2016

AbstractThe stereochemistry of photocycloaddition reactions of various cycloalkenes (I), (IV), (VIII) to hexafluorobenzene (III) in cyclohexane solution depends on the structure of the cycloalkene, and (2 + 2) cycloadducts are mainly observed.
ChemInform Abstract: Arylaminyl Radicals Studied by Laser Flash Photolysis of Di‐tert‐butyl Peroxide in the Presence of Arylamines.
Authors: LEYVA E. , PLATZ M. S. , NIU B. , WIRZ J. 
Published: May 2016

AbstractLaser flash photolysis of tBu‐O‐O‐tBu in the presence of aniline, diphenylamine, carbazole, indole, 1‐ and 2‐naphthylamine, and 1‐pyrenylamine is a clean, simple, and general method to generate and observe the corresponding arylaminyl radicals.
ChemInform Abstract: The Quantitative Electrophilic Reactivity of Annulenes. Part 2. Partial Rate Factors for Hydrogen Exchange of Azulene, Cycl(3,2,2)azine, Indolizine, N‐Methylisoindole, Indole, and Pyrrolo(2,1‐b)thiazole, and Attempted Exchange in trans‐9,10‐Dimethyldihydropyrene: the Dramatic Effect of Creating Aromaticity in the Transition State for Electrophilic Substitution, and the Importance of Valence Bond Theory.
Authors: LAWS A. P. , TAYLOR R. 
Published: May 2016

AbstractOn the basis of experimentally determined rates of acid‐catalyzed detritiations of molecules such as (I)‐(VI) together with some literature data on deuteration partial rate factors, σ+ values, reactivities, and reactive sites of the molecules considered are estimated.
ChemInform Abstract: Oxidation of Unsaturated Linear and Cyclic Hydrocarbons with Molecular Oxygen Catalyzed by Transition Metal Complexes.
Authors: DZHEMILEVA G. A. , ODINOKOV V. N. , DZHEMILEV U. M. 
Published: May 2016

AbstractThe Pd‐catalyzed oxidation of the unsaturated hydrocarbons (I), (IV), (VI), and (VIII) gives the ketones (II), (III), (V), (VII), (IX), and (X).
ChemInform Abstract: Raney Nickel as a Selective Catalyst for Aldehyde Reduction in the Presence of Ketones.
Authors: BONNIER J.‐M. , DAMON J. P. , MASSON J. 
Published: May 2016

AbstractThe aldehydes (I) are selectively reduced by H2/Raney‐Nickel in the presence of ketones (II) to form the primary alcohols (III).
ChemInform Abstract: Hard Acid and Soft Nucleophile Systems. Part 11. Hard‐Soft Affinity Inversion: Dehalogenation of α‐Halo Ketones with Aluminium Chloride and a Thiol.
Authors: FUJI K. , NODE M. , KAWABATA T. , FUJIMOTO M. 
Published: May 2016

AbstractDehalogenation of various α‐halo ketones such as (I), (IV) or (VI) using the thiols (II) or (XI) and AlCl3 affords either dehalogenated products such as (III) or dithioacetals such as (V), (VII) or (XII).
ChemInform Abstract: Homogeneously Catalyzed Synthesis of β‐Amino Alcohols and Vicinal Diamines from Ethylene Glycol and 1,2‐Propanediol.
Authors: MARSELLA J. A. 
Published: May 2016

AbstractEthylene glycol (II) is treated with the secondary amines (I) in the presence of ruthenium or iridium complexes to form the amino alcohols (IV) and the diamines (V).
ChemInform Abstract: Oximation of Acetyl(hydroxyimino)acetone: NMR Spectroscopic, Chemical, and X‐Ray Crystallographic Studies of the Reaction Products.
Authors: FRUTTERO R. , CALVINO R. , FERRAROTTI B. , GASCO A. , AIME S. , GOBETTO R. , CHIARI G. , CALESTANI G. 
Published: May 2016

AbstractDepending on the amount of hydroxylamine used one obtains the isoxazolines (II) and (III) or the products (IV)‐(VI).
ChemInform Abstract: A Ring Contraction Induced by Hydrogen Peroxide.
Authors: BISCHOFF C. , GRUENDEMANN E. + , SCHROEDER E. + 
Published: May 2016

AbstractThe 7a‐carbamoyl‐3‐hydroxybenzoxazole (I), on reaction with H2O2, affords the cyclopentanespirooxazolinone (II).
ChemInform Abstract: Sulfone Mediated Synthesis of Cyclopentadienone Epoxides from 10‐Oxatricyclo(5.2.1.02,6)decadienones. A Convenient Route to epi‐Pentenomycins.
Authors: KLUNDER A. J. H. , HOUWEN‐CLAASSEN A. A. M. , KOOY M. G. , ZWANENBURG B. 
Published: May 2016

AbstractSulfonylmethylation of 10‐oxatricyclodecadienone (I) leads to the formation of the sulfone (IIa) which is etherified by Meerwein's reagent to form the ethoxy derivative (IIb).
ChemInform Abstract: Novel Diphenoquinone‐Type Redox Systems Containing Seven‐Membered Quinonoid Structure.
Authors: IYODA M. , SATO K. , ODA M. 
Published: May 2016

AbstractThe arylzinc derivative (Ic), prepared from the bromide (Ia) via (Ib), is coupled with the bromoaminotropolone (II) to give the compound (III), which is hydrolyzed to yield the tropolone (IV).
ChemInform Abstract: Codimerization of Allyl Carboxylates with Norbornene Compounds Catalyzed by Nickel Complexes.
Authors: DZHEMILEV U. M. , KHUSNUTDINOV R. I. , GALEEV D. K. , NEFEDOV O. M. , TOLSTIKOV G. A. 
Published: May 2016

AbstractThe Ni‐catalyzed codimerization of norbornene (I) with allyl acetate (II) to produce the compounds (IV) and (V) is studied in detail.
ChemInform Abstract: 3‐Aryl‐1‐tetrazol‐5‐yltriazenes, Bench‐Stable Arenediazonium Ion Synthons: Synthesis of Biaryls and Aryl Halides.
Authors: BUTLER R. N. , O'SHEA P. D. , SHELLY D. P. 
Published: May 2016

AbstractTreatment of the triazenes (I) with TFA or AcOH in benzene (II) leads to good yields of the biaryls (IV)/(V).
ChemInform Abstract: Adducts of Vinyl Ethers with Arenesulfenyl Chlorides as Reagents for the Electrophilic Alkylation of Vinyl Ethers.
Authors: SMOLYAKOVA I. P. , SMIT V. A. , LUTSENKO A. I. 
Published: May 2016

Abstractp‐Toluenesulfenyl chloride (II) reacts with vinyl ethers such as (Ia) to give the addition product (III) which is subsequently coupled with the vinyl ethers (I) or the ethynyl ether (VII) in the presence of Lewis acids, forming the compounds (IV) ‐ (VI) or (VIII), depending on the work‐up.
ChemInform Abstract: Addition of Arylureas to Aroyl Isothiocyanates and the Synthesis of 1‐Aroyl‐5‐aryl‐2‐thiobiurets and 2‐Aryl‐5‐aroylamino‐2,3‐dihydro‐1,2,4‐thiadiazol‐3‐ones.
Authors: FOULI F. A. , SHABAN M. E. , YOUSSEF A. S. A. 
Published: May 2016

AbstractAddition of the arylureas (II) to the aroyl isothiocyanates (I) affords the hitherto unknown title compounds (III) "in good yields".
ChemInform Abstract: Divalent Samarium‐Induced Cyclopropanation of Lithium Enolates. A One‐ Pot Synthesis of Cyclopropanols from Ketones.
Authors: IMAMOTO T. , TAKIYAMA N. 
Published: May 2016

AbstractAcetophenone (Ia) and propiophenone (Ib) are converted to the lithium enolates (II) which react with diiodomethane (III) in the presence of samarium diiodide, yielding the cyclopropanols (IV).
ChemInform Abstract: Synthesis of the Barbaralone Nucleus via Photocyclization of an Alkynyl Tropone.
Authors: FELDMAN K. S. , COME J. H. , FEGLEY G. J. , SMITH B. D. , PARVEZ M. 
Published: May 2016

AbstractIrradiation of the 2‐alkynyl tropones (I) yields the cyclization products (III) ‐ (IV) via (II) which give different mixtures of the barbaralones (VI) ‐ (IX) when the thiophenol (V) is added.
ChemInform Abstract: A Novel Route for the Synthesis of Linearly and Angularly Annelated Polycyclic Compounds Containing a Cyclopentane Fragment.
Authors: SMIT V. A. , GYBIN A. S. , SIMONYAN S. O. , VERETENOV A. L. , SHASHKOV A. S. 
Published: May 2016

AbstractThe reaction scheme for the preparation of the bicyclic compound (V) using a method described earlier is given without further comment.
ChemInform Abstract: Photochemistry of the Anthracene Chromophore: Synthesis and Photochemical Isomerization of 1,2‐Di(9‐anthryl)‐1‐hydroxypropene, a Novel Simple Enol.
Authors: BECKER H.‐D. , ANDERSSON K. 
Published: May 2016

Abstract1,2‐Dianthrylethanone (III) reacts with sodium methylate and dimethyl sulfate to give the isomeric enol ethers (Ib) and (IIb) which equilibrate and partly dimerize on irradiation, yielding (IVa).
ChemInform Abstract: A Novel 3(2H)‐Furanone‐2(5H)‐Furanone Rearrangement.
Authors: MACK R. A. , GEORGIEV V. ST. 
Published: May 2016

AbstractReaction of the 3(2H)‐furanones (I) with the phosphorodiamidic chloride (II) and the anilines (III) results in the formation of the rearranged 2(5H)‐furanones (IV).
ChemInform Abstract: Antiinflammatory, Analgesic Porperties, and Antipyretic Action of 3‐Aminoindazole Derivatives.
Authors: KAWAKUBO H. , SONE T. , WAKIGAWA K. , NARITA T. 
Published: May 2016

AbstractThe 3‐aminoindazoles (V) and (X) are prepared by usual synthetic methods as outlined in the reaction scheme.
ChemInform Abstract: A New Thermal Decomposition of the Isoxazole Ring.
Authors: CORSICO CODA A. , DE GAUDENZI L. , DESIMONI G. , RIGHETTI P. P. , TACCONI G. 
Published: May 2016

AbstractThermolysis of the phenylazoisoxazole (III) in the presence of the dipolarophiles (IV), (VII), (IX), (XI), or (XII) gives the pyrazole derivatives (V), (VIII), (X), and (XIII), together with the triazole (VI).
ChemInform Abstract: Photochemical Formation of Heteromethylenecyclopropanes. Part 16. 1,4,5‐Substituted Tetrazolium Salts Through Methylation of 1,5‐Substituted Tetrazoles and (3 + 2) Cycloaddition of Alkyl Azides to Nitrilium Ions.
Authors: QUAST H. , BIEBER L. , MEICHSNER G. 
Published: May 2016

AbstractMethylation of the tetrazoles (I) gives mixtures of the isomerically substituted tetrazolium salts (III) + (IV) which are separated, isolated, and characterized by conversion in better crystallizing tetrafluoroborates, hexafluorophosphates, tetraphenylborates, or perchlorates in strongly varying yields.
ChemInform Abstract: The Formation and X‐Ray Crystal Structure of a Novel Bridged Dilactone Derived from Chrysanthemic Acid by Dimerization of Lavandulylic Acids.
Authors: GOLDSCHMIDT Z. , CRAMMER B. , GOTTLIEB H. E. 
Published: May 2016

AbstractTreatment of chrysanthemic acid (Ia) or its ethyl ester (Ib) with sulfuric acid produces the dilactone (II) as a result of dimerization of dienes which are formed by cleavage of the cyclopropane ring.
ChemInform Abstract: δ3‐Dihydropyrans and Tetrahydropyrans by Reduction of Pyrylium Salts with Sodium Borohydride in Acetic Acid.
Authors: BALABAN T.‐S. , BALABAN A. T. 
Published: May 2016

AbstractReduction of the pyrylium salts (I) with sodium boranate in excess acetic acid yields the pyran derivatives (II), (III), (VI), and (VIII), the dienones (IV) and (V) and the dione (VII).
ChemInform Abstract: Mechanistic Investigations of the Cycloaddition Reactions of Thioxanthenylidene S,S‐Dioxide.
Authors: ABDEL‐WAHAB A. A. , DOSS S. H. , DUERR H. + , TURRO N. J. , GOULD I. R. 
Published: May 2016

AbstractPhotolysis of the diazo compound (I) in the presence of the styrenes (II) yields the cyclopropane derivatives (III), together with the dimer (IV).
ChemInform Abstract: Synthesis of 3‐Amino‐6‐methyl‐5‐ethoxycarbonyl‐4,7‐dihydrothieno‐(2,3‐b)pyridine Derivatives.
Authors: KRAUZE A. A. , LIEPINSH' E. E. , PELCHER YU. E. , DUBUR G. YA. 
Published: May 2016

AbstractAlkylation of the dihydropyridinethiolates (I) with the haloacetonitriles or haloacetamides (II) gives the 2‐cyanomethylthio or 2‐carbamoylmethylthio substituted dihydropyridines (III).
ChemInform Abstract: Reduction and Basic Hydrolysis of 5‐Oxoindeno(1,2‐b)pyridinium Salts.
Authors: MUTSENIETSE D. KH. , ZANDERSONS A. Z. , LUSIS V. K. , DUBUR G. YA. 
Published: May 2016

AbstractReduction of the oxoindenopyridinium perchlorates (I) with sodium borohydride yields the dihydro derivatives (II).
ChemInform Abstract: A New Rearrangement in the Methylation of 2‐(Diethylamino)‐3‐(ethoxycarbonyl)‐5‐phenylazepinyl Anion.
Authors: STREEF J. W. , VAN DER PLAS H. C. , WEI Y. Y. , DECLERCQ J. P. , VAN MEERSSCHE M. 
Published: May 2016

AbstractBase‐catalyzed rearrangement of the carbanion derived from the azepine (I) and subsequent methylation yield the azanorcaradiene (III).
ChemInform Abstract: Investigations on Diazo Compounds and Azides. Part 59. Synthesis of Aminopyridazines from Aminocyclopropenylium Salts and Diazomethyl Compounds.
Authors: HEYDT H. , EISENBARTH P. , FEITH K. , URGAST K. , MAAS G. , REGITZ M. 
Published: May 2016

AbstractThe cyclopropenylium salts (II) and (IV) react with diazomethyl compounds of type (I) to give the pyridazines (III) and (V), respectively.
ChemInform Abstract: Degradation of Oral Antidiabetics. Part 2. Reactions of Arylsulfonylureas with 4‐Toluenesulfonyl Chloride.
Authors: EGG H. , LEIBETSEDER H. , PATZAK A. , STEINKELLNER L. 
Published: May 2016

AbstractReaction of the arylsulfonylureas (I) with tosyl chloride usually gives the trisubstituted guanidines (II) and/or the sulfonamides (IV).
ChemInform Abstract: Synthesis and Experimental Antitumor Activities of 6‐Alkyl(or Aryl)thio‐5‐deazapteridines.
Authors: POCHAT F. , LAVELLE F. , FIZAMES C. , ZERIAL A. 
Published: May 2016

AbstractThe title compounds (III) are synthesized as described in the scheme and tested against leukemia cells.
ChemInform Abstract: Synthesis of Substituted 2,3‐Dihydro‐1‐(β‐phenylethyl)‐2‐aryl and 2,3‐Diaryl‐4(1H)‐quinazolinones and Their Pharmacological Activities.
Authors: SADANANDAM Y. S. , REDDY K. R. M. , RAO A. B. 
Published: May 2016

AbstractTitle compounds of type (III) and (VI) are synthesized as shown in the scheme and screened for their pharmacological activity.
ChemInform Abstract: Synthesis and Anti‐Leishmaniosis Activity of 2‐(2′‐Chlorostyryl)‐4‐(δ‐ diethylamino‐α‐methylbutylamino)‐7‐chloroquinazoline Diphosphate.
Authors: YAKHONTOV L. N. , ZHIKHAREVA G. P. , MASTAFANOVA L. I. , EVSTRATOVA M. I. , PERSHIN G. N. , MOSKALENKO N. YU. , PUSHKINA T. V. , KUTCHAK S. N. , FADEEVA N. I. , SOKOLOVA N. D. , GUS'KOVA T. A. , CHICHERINA L. A. , SHAROVA S. A. 
Published: May 2016

AbstractThe synthesis of the title compound (VII) (aminazoline) is carried out as shown in the reaction scheme and compared with that of aminoquinol (IX).
ChemInform Abstract: Saturated Heterocycles. Part 124. Stereochemical Studies. Part 123. A Simple Synthesis of Condensed N‐Methyl‐Substituted 1,3‐Oxazines.
Authors: FUELOEP F. + , PIHLAJA K. , BERNATH G. 
Published: May 2016

AbstractThe previously published reaction A) of the oxazines (I) is repeated and, besides the formerly isolated p‐nitrobenzaldehyde (II), the N‐methyl oxazines (III) (isolated as picrates) are now found in the mother liquor.
ChemInform Abstract: Stereochemical Studies. Part 89. Saturated Heterocycles. Part 84. Preparation and NMR Study of Norbornane‐Norbornene‐Fused 2‐Phenylimino‐1,3‐oxazines and ‐thiazines.
Authors: SOHAR P. , STAJER G. , SZABO A. E. , FUELOEP F. + , SZUNYOG J. , BERNATH G. 
Published: May 2016

AbstractWith Ph‐NCS (II) the diexo norbornenes (Ia) and norbornanes (Ib) are converted into the thioureas (III).
ChemInform Abstract: Synthesis and Cycloaddition Reaction of 2a,4,5‐Triazabenz(cd)azulene Derivatives.
Authors: ABE N. , GOMI A. 
Published: May 2016

AbstractThe hydrazinoazaazulene (Ia) reacts with triethyl orthoformate (II), producing the triazabenzazulene (IIIa).
ChemInform Abstract: Synthesis and Copper(I) Complexes of a Series of 9‐ to 13‐Membered N3 Macrocycles.
Authors: BRIELLMANN M. , KADERLI S. , MEYER C. J. , ZUBERBUEHLER A. D. + 
Published: May 2016

AbstractThe macrocycles (IV) are obtained via the cyclized products (III) and their subsequent detosylation by thermal or chromatographic methods.
ChemInform Abstract: Dioxa‐1,3‐bishomopentaprismane: Synthesis and Transformations.
Authors: MEHTA G. , REDDY K. R. 
Published: May 2016

AbstractThe dioxa‐1,3‐bishomopentaprismane carboxylic acid (Ia) is converted to the parent compound (Ic) by Hunsdiecker reaction and subsequent reduction.
ChemInform Abstract: Reaction of 5‐Substituted 2‐Methoxy‐1,4‐quinones with Boron Tribromide.
Authors: GARST M. E. , FRAZIER J. D. 
Published: May 2016

AbstractThe methoxyquinones (Ia) ‐ (Id) react consecutively with boron tribromide and acetic anhydride to give the reduction products (II) and the benzoxocins (III).
ChemInform Abstract: Investigations of Pyrane Derivatives. Part 118. Oxabenzomorphanes: Synthesis, Reactions, and ZNS Activity of 2,6‐Methano‐1‐benzoxocins.
Authors: EIDEN F. , GMEINER P. 
Published: May 2016

AbstractReaction of the (hydroxyaryl)ethylketones (I) with the acetoacetates (II) in the presence of bases yields the tricyclic ketones (IV) or the corresponding enol derivatives (V) via the intermediate cyclohexenones (III).
ChemInform Abstract: Chemistry of N‐Heterocyclic Sulfur Compounds. Reaction of 2,5‐Dimercapto‐1,3,4‐thiadiazoles with 1,ω‐Dibromoalkanes. Synthesis of Tetrathia‐((n + 2).(n + 2))(2,5)‐1,3,4‐thiadiazolophanes and Dithia‐((n + 1).(n + 1))(3,5)‐1,3,4‐thiadiazolinophanedithiones.
Authors: PAPPALARDO S. , BOTTINO F. , TRINGALI C. 
Published: May 2016

AbstractReaction of the dimercaptothiadiazole (I) with the dibromoalkanes (II) gives certain products due to heterocyclization both via S,S‐(III) and via N,S‐(IV).
ChemInform Abstract: Alkylation and Silylation of the Aluminum Enolates Generated by Hydroalumination of α,β‐Unsaturated Carbonyl Compounds.
Authors: TSUDA T. , SATOMI H. , HAYASHI T. , SAEGUSA T. 
Published: May 2016

AbstractThe aluminum enolates (III) are obtained as intermediates in the reaction of the unsaturated carbonyl compounds (I) with diisobutylaluminum hydride (II) in the presence of catalytic amounts of methylcopper.
ChemInform Abstract: Stoichiometric Generation of 3‐Siloxyallenyllithium and Its Reactions with Electrophiles.
Authors: MATSUOKA R. , HORIGUCHI Y. , KUWAJIMA I. 
Published: May 2016

AbstractThe propargylic alcohol (I) reacts with butyllithium to give the allene (II) which is further lithiated and then substituted with the halides (IV), yielding the allenyl silyl ethers (V).
ChemInform Abstract: Synthesis of 5‐Substituted Pyrimidines Through ortho‐Directed Lithiation Reactions.
Authors: WADA A. , YAMAMOTO J. , KANATOMO S. 
Published: May 2016

AbstractLithiation of the pyrimidines (I) and (VI) with the lithium piperidide (II) and subsequent reaction with the electrophiles (III) form the 5‐substituted pyrimidines (IV) and (VII).