bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Synthesis, Crystal Structure, and EHMO Calculations for the Nickel(II) Complexes of Imines Derived from Salicylaldehyde, 2‐Hydroxy‐1‐naphthaldehyde, and 3‐Hydroxy‐2‐naphthaldehyde.
Authors: FERNANDEZ‐G. J. M. , ROSALES‐HOZ M. J. , RUBIO‐ARROYO M. F. , SALCEDO R. , TOSCANO R. A. , VELA A.
Published: May 2016

The title complexes are prepared by reacting the monoanion of the preformed ligand with Ni acetate in MeOH (30 min reflux).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structures of (Au(CH2)2PPh2)2(CF3)2, (Au(CH2)2PPh2)2(C6F5)2, and (PPN)(Au(C6F5)4): Two Dinuclear Gold(II) Ylide Complexes Containing Alkyl and Aryl Ligands and a Tetrakis(pentafluorophenyl)aurate(III) Anion Complex.
Authors: MURRAY H. H. , FACKLER J. P. JUN. , PORTER L. C. , BRIGGS D. A. , GUERRA M. A. , LAGOW R. J.
Published: May 2016

The two dinuclear Au(II) ylide title complexes (II) are prepared as shown in the scheme.
ChemInform Abstract: Thermal and Photochemical Behaviour of Organotetraruthenium Clusters: Solution Structures and Dynamics of Phosphine‐Substituted Derivatives.
Authors: OSELLA D. , AIME S. , NICOLA G. , AMADELLI R. , CARASSITI V. , MILONE L.
Published: May 2016

The CO substitution reactions of the title clusters (Ia), (Ib) and (II) are investigated.
ChemInform Abstract: Heteronuclear Cluster Chemistry of the Group 1B Metals. Part 2. Synthesis, X‐Ray Crystal Structures, and Dynamic Behaviour of the Bimetallic Hexanuclear Group 1B Metal Cluster Compounds (M2Ru4H2(CO)12(PPh3)2) (M: Cu, Ag, or Au).
Authors: FREEMAN M. J. , ORPEN A. G. , SALTER I. D.
Published: May 2016

Treatment of the anionic Ru cluster (I) with two equiv. of the complexes (M(NCMe)4)PF6 followed by the addition of two equiv. PPh3 affords the mixed‐metal cluster compounds (II) containing two triply bridging hydrido ligands.
ChemInform Abstract: Novel Rhodium Porphyrin Derivatives. Part 2. Synthesis and Characterization of Hexacoordinated Rh(III) Porphyrinates.
Authors: BOSCHI T. , LICOCCIA S. , TAGLIATESTA P.
Published: May 2016

The title complexes (II) are prepared by thermal reactions.
ChemInform Abstract: Dichroic Dyestuffs. Synthesis of Dialkyl‐8‐amino‐1,4,5‐trihydroxy‐ and 1,4,5,8‐Tetrahydroxy‐anthraquinones.
Authors: KUMAR A. , SUTHERLAND J. K. , THOMPSON D. J.
Published: May 2016

A general synthesis of the alkylated 8‐amino trihydroxyanthraquinones (V) and their 8‐hydroxy analogs, e.g. (XIV), is developed.
ChemInform Abstract: An Alternate Synthesis of Furoventalene Using an Extension of Hagiwara′s Construction of the 3‐Methylfuran Moiety.
Authors: CASTANEDO R. , ZETINA C. B. , MALDONADO L. A.
Published: May 2016

Furoventalene (III) is prepared from 3‐methoxybenzoic acid (I).
ChemInform Abstract: Ultrasonic in Organic Synthesis. Part 8. Ready Preparation of Sugar Acetals Under Ultrasonic Irradiation.
Authors: EINHORN C. , LUCHE J.‐L.
Published: May 2016

Acetalization of D‐glucose (I), D‐galactose (III), and D‐mannose (V) is achieved by means of ultrasonic irradiation.
ChemInform Abstract: Synthesis of Vinca Alkaloids and Related Compounds. Part 33. Formation of a New Ring System via Addition of Methyl Acrylate to Indoloquinolizine Derivatives.
Authors: SZABO L. , KOLONITS P. , KALAUS G. , KALMAN A. , PARKANYI L. , SZANTAY C.
Published: May 2016

Reaction of the enamine (I) with the acrylates (II) yields the adducts (III).
ChemInform Abstract: Moessbauer and DTA Studies of Semiconducting Potassium Vanadate Glasses Containing Iron.
Authors: NISHIDA T. , TAKASHIMA Y.
Published: May 2016

A series of potassium vanadate glasses containing 10 mol% Fe2O3 as a Mößbauer probe have been investigated by the title methods in order to elucidate the local structure and the structural changes caused by introduction of K2O into the V2O5 matrix.
ChemInform Abstract: Further Investigations on Some Electrochemical and Thermal Properties of Stabilized and Sintered Zirconia Refractories.
Authors: ABOU SEKKINA M. M. , ABD EL‐HALIM T. M.
Published: May 2016

ZrO2 doped with CaO, La2O3, or UO3 using high temp. ceramic procedures and sintering is investigated by measurements of the true and bulk densities, the temp. dependence of the dc electrical conductivity and by XRD.
ChemInform Abstract: Chemical Equilibria in Heterogeneous Systems. Part 11. The Influence of the Structure of Molybdenum Disulphide on Its Reactivity.
Authors: BARTOVSKA L. , CERNY C.
Published: May 2016

The Mo‐MoS2‐H2S‐H2 system has been studied in the temp. range 569.4‐1276.8 K (gas phase analysis by an iodometric method and analysis of the solid phase by X‐ray powder diffraction).
ChemInform Abstract: A New Reaction of Cyanide with Peroxide and Thiosulfate at pH 7‐9
Authors: SCHILLER J. E.
Published: May 2016

is found that produces SCN‐ and SO42‐.
ChemInform Abstract: Some Investigations of S5N+ 5 Compounds; X‐Ray Crystal Structure of (S5N5)Cl.
Authors: BANISTER A. J. , HAUPTMAN Z. V. , KENDRICK A. G. , SMALL R. W. H.
Published: May 2016

Cyclopenta(azathienium) chloride (III) is obtained in high yield by the simple preparation method shown in the scheme.
ChemInform Abstract: Protein Structure and Interactions by Combined Use of Sequential NMR Assignments and Isotope Labeling.
Authors: SENN H. , OTTING G. , WUETHRICH K. +
Published: May 2016

The 10 leucyl residues in the DNA‐binding domain consisting of the 76 N‐terminal residues of Salmonella phage P22 c2 repressor are labeled with 15N. By use of a novel 15N(ω2) half‐filter technique, simplified two‐dimensional nuclear Overhauser enhancement spectra are obtained, containing exclusively resonance peaks relating to at least one 15N‐bound hydrogen atom.
ChemInform Abstract: The Effects of Various Substituents Upon the Properties of the Bond Between the Bridgehead Carbons in Bicyclobutane.
Authors: POLITZER P. , KIRSCHENHEUTER G. P. , ALSTER J.
Published: May 2016

A computational approach is used to investigate the properties of bicyclobutane and various of its derivatives (→ (I)) in which one or more of the groups NH2, NCO, NO, and NO2 are substituted on its bridgehead positions.
ChemInform Abstract: s‐cis vs. gauche 1,3‐Butadiene: Evidence for Planarity from Polarized Matrix‐Isolation IR Spectroscopy.
Authors: FISHER J. J. , MICHL J.
Published: May 2016

Irradiation of neat or matrix‐isolated samples of the two conformers of 1,3‐butadiene, obtained by deposition through a ca. 1200 K oven onto a 10 K CsI substrate, with linearly polarized 248 nm light causes photoselection and produces partially oriented solid solutions of both conformers.
ChemInform Abstract: Utilization of an Anode as a Catalyst for (2 + 2) and (4 + 2) Additions: Example of the Reactivity of Indenones in the Presence of Certain α‐Substituted Styrenes.
Authors: DELAUNAY J. , ORLIAC‐LE MOING A. , SIMONET J. , TOUPET L.
Published: May 2016

The indenones (I) react electrochemically with the styrenes (II) to give various ratios of the adducts (III) ‐ (VI) depending on the reaction conditions.
ChemInform Abstract: Electrophilic Sulfamatosulfenylation of Alkenes.
Authors: ZEFIROV N. S. , ZYK, N V. , KUTATELADZE A. G. , LAPIN YU. A.
Published: May 2016

The N,N‐dialkylarylsulfenamides (I) react with SO3 at low temperature to give the arylsulfenyl sulfamates (II), which are highly electrophilic agents.
ChemInform Abstract: The Diels‐Alder Reaction with 6‐Methylene‐7‐octenoic Acid, a Functionalized Butadiene.
Authors: CARDINALE G. , LAAN J. A. M. , WARD J. P.
Published: May 2016

The alcohol (I), obtained via ozonolysis of myrcene according to a literature procedure, is converted to the title compound (IVa).
ChemInform Abstract: Functionalized Enamines in the Synthesis of Some Heterocyclic Compounds.
Authors: GOLIC L. , STROPNIK C. , STANOVNIK B. , TISLER M.
Published: May 2016

Starting with enamine derivatives such as (I), (IV), (VI), (X), and (XII), various N‐heterocycles, e.g. (III), (VII), (IX), (XI), or (XIV), are prepared.
ChemInform Abstract: Building Blocks for Trifluoromethylated Organic Molecules. Part 5. Claisen Rearrangements Employing Geometrically Pure Trifluoromethylated Allylic Alcohols.
Authors: YAMAZAKI T. , ISHIKAWA N.
Published: May 2016

The vinyl ether Claisen rearrangement of the allylic alcohols (III) which are obtained by the reaction of the compounds (I) with aldehydes (II) (yields not given) leads to the products (V) with high stereoselectivity.
ChemInform Abstract: Mechanism of Rearrangement of Chorismic Acid and Related Compounds.
Authors: GAJEWSKI J. J. , JURAYJ J. , KIMBROUGH D. R. , GANDE M. E. , GANEM B. , CARPENTER B. K.
Published: May 2016

Besides the elimination of pyruvic acid (II), the title compound (III) undergoes unusually facile Claisen rearrangement to yield (IV).
ChemInform Abstract: Radical Ions. Part 3. Photoreactions of Biacetyl, Benzophenone, and Benzil with Electron‐Rich Alkenes.
Authors: GERSDORF J. , MATTAY J. , GOERNER H. +
Published: May 2016

The paper describes some properties of ketone/donor systems.
ChemInform Abstract: External Heavy‐Atom Effects on First and Second Order Decay Rate Constants of Anthracene Triplets.
Authors: SALTIEL J. , GANAPATHY S. , ATWATER B. W.
Published: May 2016

Second‐order rate constants for quenching of anthracene triplets, 3A*, by methyl iodide in benzene and ethyl iodide in methylcyclohexane are determined flash kinetically.
ChemInform Abstract: Evidence for Diazenyl Diradicals in the Photoisomerization of 4‐Methylene‐3,3,5,5‐tetramethylpyrazoline.
Authors: ADAM W. , DOERR M. +
Published: May 2016

Direct photolysis of the azo compound (I) affords the methylenecyclopropanes (II) and (III) in the previously observed relative proportions of 75:25.
ChemInform Abstract: Regiospecific Synthesis of Terminal Allenes from Simple or Functionalized Propargyltrimethylsilanes.
Authors: PORNET J. , DAMOUR D. , MIGINIAC L.
Published: May 2016

The propargylsilanes (I) are desilylated and rearranged by boron trifluoride acetate (II) to give the terminal allenes (III).
ChemInform Abstract: Base‐Assisted Migration of Trimethylsilyl Group from Carbon to Oxygen in γ‐Trimethylsilyl‐γ,δ‐unsaturated Alcohols, γ‐Trimethylsilyl‐γ,δ‐epoxy Alcohols, and β‐Trimethylsilyl‐β,γ‐epoxy Alcohols to the Corresponding Silyl Ethers.
Authors: KOBAYASHI Y. , UCHIYAMA H. , KANBARA H. , KUSAKABE M. , SATO F.
Published: May 2016

Protodesilylation of the silanes (I) and (V), yielding the compounds (II) and (VI), is achieved either by basic treatment followed by acidic hyrolysis or in a one‐step procedure by addition of fluoride.
ChemInform Abstract: Fluorination and Skeletal Transformations of Perfluorobenzocycloalkenes in Reactions with Antimony Pentafluoride.
Authors: KARPOV V. M. , MEZHENKOVA T. V. , PLATONOV V. E. , YAKOBSON G. G.
Published: May 2016

The reactions of perfluorobenzocycloalkenes (I), (IV), (VI), (VIII), (X), (XII) with SbF5 (method (A)) or of (I), (XII) with SbF5 in the presence of Br2 (method (B)) at 200 °C or below are studied in detail.
ChemInform Abstract: Homologation of Halogen Derivatives.
Authors: YANKEP E. , CHARLES G.
Published: May 2016

The halides (I) are converted to the corresponding Grignard compounds which then react with the butoxymethylamines (II), producing the amines (III).
ChemInform Abstract: Chiral Zinc Homoenolate of Methyl Isobutyrate. A New Building Block for the Synthesis of Chiral α‐Methylesters.
Authors: NAKAMURA E. , SEKIYA K. , KUWAJIMA I.
Published: May 2016

The β‐hydroxyisobutyrate (Ia) is converted to the halo compounds (Ib) and (Ic) which are transformed into the organo‐zinc derivatives (III) by two methods.
ChemInform Abstract: A New Method for the Preparation of Isothiocyanates from Amines Using 1,1′‐(Thiocarbonyldioxy)dibenzotriazole.
Authors: CHANG H. , KIM S.
Published: May 2016

The title compound (III) reacts with the amines (IV) under mild conditions to afford the isothiocyanates (VI).
ChemInform Abstract: Derivatives of 4‐(p‐tert‐Butylbenzoyl)phenol with Antifungal Phytoiatric Activity.
Authors: MASSOLINI G. , CARMELLINO M. L.
Published: May 2016

The benzophenone (III), prepared by Friedel‐Crafts acylation of anisol (II) with (I), reacts with the alkyl halides (IV), the acyl chlorides (VI) or the isocyanates (VIII) to produce the O‐substituted derivatives (V), (VII), and (IX).
ChemInform Abstract: Reaction of 1‐Aminoanthraquinone and Its Derivatives with Aryl and Alkyl Isocyanates.
Authors: LOSKUTOV V. A. , SAVEL'EV V. A.
Published: May 2016

The reactions of 1‐aminoanthraquinone (Ia), its 2‐substituted derivatives (Ib) and its 4‐substituted derivatives (Ic) with the aryl or alkyl isocyanates (II) afford the anthraquinonylureas (III) or the anthraquinonylbiurets (IV) (via (III) or directly from (I)), depending on the reaction conditions.
ChemInform Abstract: Correlation of the Two Torsional Degrees of Freedom About the Bonds Connecting the Bridgehead Carbons to the Sulfur Atom in Bis(9‐triptycyl) Sulfide.
Authors: KAWADA Y. , ISHIKAWA J. , YAMAZAKI H. , KOGA G. , MURATA S. , IWAMURA H.
Published: May 2016

The triptycyl bromides (I) are lithiated and then sulfurized to give the thiols (II) which are converted to the disulfides (III).
ChemInform Abstract: Simple and Condensed β‐Lactams. Part 8. The Preparation and Reactions of Some 4‐Oxoazetidin‐2‐ylacetic Acid Derivatives, and a Synthesis of p‐Nitrobenzyl (5RS,6SR)‐2‐(2‐Formylaminoethylthio)‐6‐(2‐methyl‐1,3‐dioxolan‐2‐yl)carbapen‐2‐em‐3‐carboxylate, a Compound Related to the Antibiotic Thienamycin.
Authors: FETTER J. , LEMPERT K. , KAJTAR‐PEREDY M. , BUJTAS G. , SIMIG G.
Published: May 2016

Photolysis of the diazomethyl ketones (I) in the presence of PhSH (II) or EtOH (III) gives the thioacetates (IVa) or the acetates (IVb).
ChemInform Abstract: Inter‐ and Intramolecular Dialkoxycarbonylation of 3‐Butenols Catalyzed by Palladium(II).
Authors: TAMARU Y. , HOJO M. , YOSHIDA Z.
Published: May 2016

The homoallylic alcohols (I) undergo twofold carbonylation in the presence of propylene oxide (II) or tetramethylurea (III), yielding the γ‐lactones (IV).
ChemInform Abstract: Reaction of Dilithiated 1,2‐Diesters with β‐Bromoethyloxirane. Synthesis of Annelated γ‐Lactones.
Authors: GARRATT P. J. , PORTER J. R.
Published: May 2016

The cyclic 1,2‐dicarboxylates (I) are treated with LDA to give the dienolates (II) which react with the bromoethyloxirane (III), producing the tricyclic lactones (IV).
ChemInform Abstract: Michael Addition Reactions of Unsaturated Esters with Lithium Enolates Derived from Vinylogous Urethanes.
Authors: SCHLESSINGER R. , LIN P. , POSS M. , SPRINGER J.
Published: May 2016

Reaction of the lithium enolate of (II) with dimethyl maleate (Ia) and dimethyl fumarate (Ib) yields the adducts (III) and (IV).
ChemInform Abstract: Irreversible Tagging of Opioid Receptors by Means of Aryldiazonium Salts Derived from Fentanyl.
Authors: GALZI J. L. , ILIEN B. , SIMON E. J. , GOELDNER M. , HIRTH C.
Published: May 2016

The anilines (I) react with chloroacetone (II), yielding the N‐substituted derivatives (III) which are coupled with the piperidine (IV) and then reduced to produce the 1,2‐diaminopropanes (V).
ChemInform Abstract: Bicycloannulation of 3‐Indolylenamines with Cyclohexenone: A Facile Preparation of Potential Neurotransmitter Analogs.
Authors: SCHLECHT M. F. , GIANDINOTO S.
Published: May 2016

The indolylenamines (III), prepared from indole‐3‐acetaldehyde (I) and the cyclic amines (II), are coupled with the cyclohexenone (IV) to produce the bicyclic ketones (V) ‐ (VII).
ChemInform Abstract: 2H‐1,4‐Benzoxazines Substituted at the 3‐Position with a Dialkylamino Group.
Authors: BALBI A. , FERRECCIO R. , MAZZAI M. , ERMILI A. , ROMA G.
Published: May 2016

The 1,4‐benzoxazine‐2‐carboxamides (VI) are prepared by cyclization of the aminophenoxymalonamides (V) in the presence of phosphorus oxychloride.
ChemInform Abstract: The Reaction of Acylium Salts with Dialkylcyanamides.
Authors: AL‐TALIB M. , TASHTOUSH H.
Published: May 2016

The dialkylcyanamides (I) react with the acyl chlorides (II) or (V) in the presence of the Lewis catalysts (III), producing the 1,3,5‐oxadiazinium salts (IV) or (VI).
ChemInform Abstract: Thermal Base‐Induced Rearrangement of a Pyridinium Salt to an Azepine.
Authors: KATRITZKY A. R. , AURRECOECHEA J. M. , QUIAN K. , KOZIOL A. E. , PALENIK G. J.
Published: May 2016

Treatment of the pyridinium tetrafluoroborate (I) with sodium hydride yields the azepine (II) as a result of ring expansion, together with the pyridine (III).
ChemInform Abstract: Ring Enlargement by Fragmentation Reaction: Transformation of 2‐Aminomethyl‐2‐(3‐hydroxypropyl)cyclododecanone to 12‐Methylene‐15‐pentadecanolide.
Authors: MILENKOV B. , GUGGISBERG A. , HESSE M.
Published: May 2016

The cyanoaldehyde (I) is reduced and then hydrogenated to yield the aminoalcohol (III).
ChemInform Abstract: Synthesis of Alkyl(4,4‐dichloro‐1‐methyl‐1,3‐butadienyloxy)silanes.
Authors: SHCHEPIN V. V. , RUSSKIKH N. YU. , LAPKIN I. I.
Published: May 2016

The title compounds (III) and (V) are synthesized by treating the ketone (I) with the chlorosilane (II) or the dichlorosilanes (IV) in the presence of zinc.
ChemInform Abstract: Synthesis of 2‐Vinyl‐1,3‐diols via Highly Stereoselective Reduction of 2‐Vinyl Aldols Using Trimethylsilyl Stereo‐Directing Group.
Authors: SUZUKI K. , SHIMAZAKI M. , TSUCHIHASHI G.
Published: May 2016

The synthesis of the 2‐vinyl‐1,3‐diols (III) and (IV) and the isomeric compounds (VII) ‐ (X) is achieved starting with the unsaturated epoxides (I) or (V).
ChemInform Abstract: Reaction of 1,4‐Dilithio‐1,4‐dihydronaphthalene with Vinylmethyldichlorosilane.
Authors: KARCHKHADZE M. G. , TKESHELASHVILI R. SH. , KHANANASHVILI L. M. , CHOBONIANI N. I.
Published: May 2016

Reaction of the title compounds (I) and (II) leads to the formation of the disilyl compound (III), together with the products (IV), formed by subsequent partial hydrolysis and condensation.
ChemInform Abstract: Intramolecular Ene Reaction: The Use of 1,7‐Enynes in the Synthesis of Hydroxylated Methylenecyclohexane Derivatives.
Authors: FICINI J. , BARBARA C. , DESMAELE D. , OUERFELLI Q.
Published: May 2016

Pyrolysis of the alkenylacetylenes (I) yields the methylenecyclohexanes (II).
ChemInform Abstract: Novel Synthesis of 2‐Siloxazolidines by 1,5‐Elimination from 1‐(Trimethylsiloxy)‐2‐(N‐substituted‐N‐(methoxydimethylsilyl)amino)ethanes.
Authors: KIM C. H. , LEE M. E. , PAE D. H.
Published: May 2016

The vacuum sealed tube thermolyses of the linear title compounds (IIb)‐(IId), prepared as shown in the scheme, give the heterocyclic title compounds (IIIb)‐(IIId) by 1,5‐elimination of trimethylmethoxysilane.
ChemInform Abstract: Half‐Sandwich Complexes of Manganese with the Trifluoromethyl Isocyanide Ligand. The Relative π‐Acceptor Ability of the Trifluoromethyl Isocyanide Ligand.
Authors: LENTZ D. , KROLL J. , LANGNER C.
Published: May 2016

Starting with the tricarbonyl complex (I) the trifluoromethyl isocyanide complex (III) is synthesized via the derivative (II).
ChemInform Abstract: Organotransition‐Metal Metallacarboranes. Part 8. Mono‐, Di‐, and Triiron Polyarene Sandwich Complexes of Et2C2B4H2‐ 4 Containing Fluorene, 9,10‐Dihydroanthracene, or (2.2)Paracyclophane Ligands.
Authors: SPENCER J. T. , GRIMES R. N.
Published: May 2016

New air‐stable crystalline mixed‐ligand carborane‐iron‐polycyclic arene complexes such as (V), (VI), and (VII) are prepared by converting the nido‐carborane (I) to the cyclooctatriene complex (II) with concomitant formation of the complex (III), followed by thermal ligand displacement by the desired arene.
ChemInform Abstract: Preparations, Crystal Structures, and Molybdenum‐95 Nuclear Magnetic Resonance Spectroscopic Studies of Triphenylphosphine‐Gold‐Tetrathiomolybdate(VI) Clusters.
Authors: CHARNOCK J. M. , BRISTOW S. , NICHOLSON J. R. , GARNER C. D. , CLEGG W.
Published: May 2016

The complex (I) crystallizes in the space group P1 with Z=2 and (III) in P21/c with Z=4.
ChemInform Abstract: Chemistry of Platinum Sulphido‐Complexes. Part 6. Reactions of (Pt2(μ‐S)2(PPh3)4) with the Rhodium Complexes ((RhL2Cl)2) (L: CO or C2H4) and (Rh(2,6‐Me2C6H3NC)4)PF6. Crystal and Molecular Structures of (Pt2Rh(μ‐S)2(PPh3)4(CO)2)(Rh(CO)2Cl2)·C3H6O and (Pt2Rh(μ‐S)2(PPh3)4(2,6‐Me2C6H3NC)2)PF6.
Authors: GILMOUR D. I. , LUKE M. A. , MINGOS D. M. P.
Published: May 2016

The reactions of (I) with the chloride‐bridged Rh dimers (II) or with (IV) result in formation of the complexes (III) or (V).
ChemInform Abstract: Deoxygenation of vic‐Diols with p‐Toluenesulphonic Acid and Sodium Iodide.
Authors: SARMA J. C. , SHARMA R. P.
Published: May 2016

Deoxygenation of the vicinal steroid diols (I), (III), or (V) in the presence of sodium iodide and p‐toluenesulphonic acid gives the olefins (II) and (IV).
ChemInform Abstract: An Improved Procedure for the Synthesis of Sugar Chloroacetates and Some Substitution Reactions Thereof.
Authors: CHITTENDEN G. J. F. , REGELING H.
Published: May 2016

The title compounds (e.g.
ChemInform Abstract: Preparation and Use of Lithiated Glycals: Vinylic Deprotonation versus Tin‐Lithium Exchange from 1‐Tributylstannyl Glycals.
Authors: LESIMPLE P. , BEAU J.‐M. , JAURAND G. , SINAY P.
Published: May 2016

The glycals (Ia) and (Ib) are deprotonated and lithiated to yield the compounds (II) which are substituted by electrophilic agents to give the derivatives (IIIa) ‐ (IIIc).
ChemInform Abstract: Nonenzymatic Sequence‐Specific Cleavage of Single‐Stranded DNA to Nucleotide Resolution. DNA Methyl Thioether Probes.
Authors: IVERSON B. L. , DERVAN P. B.
Published: May 2016

(I) is enzymatically incorporated into an oligonucleotide duplex by using the Klenow fragment of DNA polymerase.
ChemInform Abstract: Solid Phase 5′‐Phosphorylation of Oligonucleotides.
Authors: CONNOLLY B. A.
Published: May 2016

The phosphorous derivative (I) is employed as a phosphorylation agent, yielding the phosphorylated nucleotides (II).
ChemInform Abstract: Unusual cis Stereoselectivity in an Aziridine Cleavage Reaction of Mitomycin C.
Authors: VERDINE G. L. , MCGUINNESS B. F. , NAKANISHI K. , TOMASZ M.
Published: May 2016

Mitomycin C (I) forms the cis‐hydroxyamide (II) by elimination of methanol and aziridine‐ring opening.
ChemInform Abstract: Synthetic Approach to Optically Pure Trifluoromethylated Compounds.
Authors: KITAZUME T. , LIN J. T.
Published: May 2016

The optically pure carbamate derivatives (VI) are synthesized from the enantiomeric ethyl 4,4,4‐trifluoro‐3‐hydroxybutanoates (I) which are produced by asymmetric hydrolysis of the corresponding racemic acetate.
ChemInform Abstract: Acid Durability of Sodium and Potassium Galliosilicate Glasses
Authors: LAPP J. C. , SHELBY J. E.
Published: May 2016

has been investigated in nitric acid solutions as a function of the composition of the (Na,K)2O‐Ga2O3‐SiO2 glasses.
ChemInform Abstract: Chemical Durability of Fluoride Glasses. Part 2. Reaction of Barium‐Thorium‐Based Glasses with Water.
Authors: SIMMONS C. J.
Published: May 2016

The aqueous leaching behavior of three Ba‐Th‐based fluoride glasses has been investigated by SEM, IR spectroscopy, and solution analysis.
ChemInform Abstract: Strength of Lead Silicate Glass After H2 Reduction.
Authors: SWILER D. R. , VARSHNEYA A. K. , CARVILLE P.
Published: May 2016

It is demonstrated that H2‐reduced PbO‐SiO2 glasses have nearly a 70% increase in four‐point bending strength over the unreduced glasses.
ChemInform Abstract: Crystal Structure of Barium Hydride, Determined by Neutron Diffraction Experiments on BaD2.
Authors: BRONGER W. , SCHA C.‐C. , MUELLER P. +
Published: May 2016

A reinvestigation of the structure of BaH2 and BaD2 shows that the hydrogen positions correspond to those in CaD2.
ChemInform Abstract: Crystal Structures and Phase Transformations of Cesium Trihalogenogermanates, CsGeX3 (X: Cl, Br, I).
Authors: THIELE G. , ROTTER H. W. , SCHMIDT K. D.
Published: May 2016

The title compounds have been prepared by reaction of Ge(OH)2 and CsX in aqueous HX (X: Cl, Br, I).
ChemInform Abstract: Structural and Conformational Study of 3,7‐Disubstituted 3,7‐Diazabicyclo(3.3.1)nonan‐9‐ones.
Authors: ARIAS M. S. , GALVEZ E. , DEL CASTILLO J. C. , VAQUERO J. J. , CHICHARRO J.
Published: May 2016

The title compounds (I) have been studied by 1H and 13C NMR spectroscopy.
ChemInform Abstract: Stereospecific Synthesis of 2,4‐Dienoic Acid Derivatives from Vinylmercuric Chlorides and Acrylic Acid Derivatives by Palladium(II) Salt.
Authors: KIM J. I. , LEE J. T.
Published: May 2016

The reaction of the alkenylmercuric chlorides (I), (IX), (XII) with acrylic acid derivatives such as (II) or (Va) in the presence of 10 mol% of LiPdCl3 and an equimolar amount of CuCl2, as reoxidant for the Pd, gives stereospecifically the dienoic acid derivatives (III), (X), (XIII) together with the homocoupling products (IV), (XI), or (XIV).
ChemInform Abstract: Halo(halovinyl)carbenes by α‐Elimination of Oligohalopropenes and Their Intermolecular Trapping: A New Route to (Halovinyl)cyclopropanes.
Authors: KEYANIYAN S. , GOETHLING W. + , DE MEIJERE A.
Published: May 2016

The (halovinyl)cyclopropanes (IV), (VI), (VIII) (+ by‐product (IX)), and (XI) are prepared by α‐dehydrohalogenation of the oligohalopropenes (V), (VII) (E/Z‐mixture), or (X) in the presence of olefins (I), (II), or (III).
ChemInform Abstract: Derivatives of Fused Thienopyrimidines. Part 8. Synthesis of 2‐, 3‐, and 6‐Substituted Tetrahydrobenzo(b)thieno(2,3‐d)pyrimidin‐4‐ones and Their Anticonvulsive Activity.
Authors: MKRTCHYAN A. P. , KAZARYAN S. G. , NORAVYAN A. S. , AKOPYAN R. A. , DZHAGATSPANYAN I. A. , AKOPYAN N. E. , AKOPYAN L. G.
Published: May 2016

The tetrahydrobenzothiophenes (I) react with the acyl chlorides (II) to give the amides (III), which are cyclized by condensation with the amines (IV), producing the title compounds (V).
ChemInform Abstract: Oxidation of a Dinuclear Platinum(II) Complex with Hydrogen Peroxide.
Authors: AL‐BAKER S. , DABROWIAK J. C.
Published: May 2016

The oxidation of the dinuclear complex ion (I) with H2O2 to produce dinuclear Pt(IV) ions with cis‐arrangement of the amine ligands is described.
ChemInform Abstract: Symmetric Oxalates as Active Esterification Reagent for Activated Esters. N,N′‐Disuccinimidyl Oxalate (DSO).
Authors: TAKEDA K. , OGURA H.
Published: May 2016

The diimidyl or ditriazolyl oxalates (II) react with the N‐protected amino acids (III) to produce the activated derivatives (IV) which are coupled with the amino acids or acid esters (V), yielding the dipeptides (VI).
ChemInform Abstract: Laser and Phosphor Host La1‐xMgAl11+xO19 (x = 0.050): Crystal Structure at 295 K.
Authors: ABRAHAMS S. C. , MARSH P. , BRANDLE C. D.
Published: May 2016

Czochralski grown (from La2O3, MgO, and Al2O3) crystals of the title compound crystallize in the hexagonal system, space group P63/mmc.
ChemInform Abstract: Hydrides in the PrNi5‐H2 System.
Authors: MATSUMOTO T. , MATSUSHITA A.
Published: May 2016

The existence of two types of hydrides, a β‐phase (PrNi5H4) and a γ‐phase (PrNi5H6), is confirmed by measurements of the pressure‐composition isotherms.
ChemInform Abstract: Probing the Binding Site of Bacteriorhodopsin with a Fluorescent Chromophore.
Authors: BAASOV T. , SHEVES M.
Published: May 2016

In order to investigate the polarity of the binding site, the fluorescence of the complex of bacterioopsin and (I) is studied, the emission spectrum of which is highly sensitive to solvent polarity.
ChemInform Abstract: Determination of the Absolute Configuration of Six‐Membered‐Ring Ketones by 13C NMR.
Authors: LEMIERE G. L. , DOMMISSE R. A. , LEPOIVRE J. A. , ALDERWEIRELDT F. C. , HIEMSTRA H. , WYNBERG H. , JONES J. B. , TOONE E. J.
Published: May 2016

From NMR data for acetals such as (I) or (II) an empirical rule is deduced which allows the assignment of the absolute configuration of six‐membered ketones having a chair form as preferred conformation in the acetal.
ChemInform Abstract: Correlation Between 31P NMR Data and Structural Parameters in the Ag(PPh3)3X Series. Crystal and Molecular Structure of Tris(triphenylphosphine)silver(I)tetrafluoroborate and Tris(triphenylphosphine)silver(I)iodide.
Authors: CAMALLI M. , CARUSO F.
Published: May 2016

The series of complexes (I), which is prepared by reaction of the appropriate silver salts with triphenylphosphine, is studied with 31P NMR spectroscopy.
ChemInform Abstract: Solvolytic Hydroperoxide Rearrangements. Part 5. A Stereoselective Synthesis of trans‐Fused Butyrolactones.
Authors: RUDER S. M. , RONALD R. C.
Published: May 2016

The spirocyclic ketone (I) is substituted to give the benzyl derivative (III) which is reduced to produce the isomers (IV) and (V).
ChemInform Abstract: Kinetic Analysis of Fast Alkalinization Transient by Photoexcited Heterocyclic Compounds: pOH Jump.
Authors: NACHLIEL E. , OPHIR Z. , GUTMAN M.
Published: May 2016

Photoexcitation of acridine or 6‐methoxyquinoline to their first electronic singlet state is followed by rapid proton abstraction from water, producing the ion pair PhN*H+ and OH‐.
ChemInform Abstract: Intermolecular Hydrogen‐Atom Abstraction by Vinyl Radicals Derived from Hydroxyalkyl Radicals and Alkynes: an ESR Investigation.
Authors: GILBERT B. C. , MCLAY N. R. , PARRY D. J.
Published: May 2016

The addition of radicals (I) or Me2C·‐OH, derived from Ti3+, H2O2, and MeOH, EtOH, or Me2CH‐OH, to butynedioic acid (II) to give vinyl radicals such as (III) and the following reactions leading to radicals such as (V), have been observed by ESR spectroscopy.
ChemInform Abstract: Reductive Fragmentation of 9,9‐Diarylfluorenes. Concurrent Radical Anion and Dianion Cleavage, Electron Apportionment in Radical Ion Fragmentations.
Authors: WALSH T. D.
Published: May 2016

Kinetic measurements show that in ether solvents the fluorenyl anions (II) are formed heterolytically from the radical anions (I), via the corresponding less stable radicals and phenyl anions, as well as from the dianions (III), generated by disproportionation of (I).
ChemInform Abstract: 31P NMR Spectroscopic Study of the Conversion of Hydroxy Groups into Iodo Groups in Carbohydrates Using the Iodine‐Triphenylphosphine‐Imidazole Reagent.
Authors: GAREGG P. J. , REGBERG T. , STAWINSKI J. , STROEMBERG R. +
Published: May 2016

The mechanism of the reaction between the α‐D‐galactopyranose (Ia) and the title reagent system to give the product (Ib) is studied in three solvent systems: toluene‐acetonitrile (2:1), acetonitrile, and pyridine.
ChemInform Abstract: Ligand Coupling Within σ‐Sulfurane Intermediates Formed in the Reaction of Benzyl 2‐Pyridyl and Related Sulfoxides with Grignard Reagents.
Authors: OAE S. , KAWAI T. , FURUKAWA N. , IWASAKI F.
Published: May 2016

The reaction of 2‐pyridyl sulfoxides such as (I) with a Grignard reagent is found to give the ligand‐coupling product such as (II) in excellent yield.
ChemInform Abstract: Synthesis of Adamantane‐Containing Monomers and Their Properties.
Authors: POLYAKOVA A. M. , GOLOLOBOV YU. G. , SUCHKOVA M. D. , MAGER K. A. , SENCHENYA N. G. , GUSEVA T. I.
Published: May 2016

The allyl or propargyl adamantane‐mono and dicarboxylates (III) and the bisadamantyl maleate (VI) are prepared as shown in the reaction scheme.
ChemInform Abstract: Hypervalent Iodine Oxidation of Silyl Enol Ethers Under Lewis Acid Conditions in Methanol. A General Route to α‐Methoxy Ketones.
Authors: MORIARTY R. M. , PRAKASH O. , DUNCAN M. P. , VAID R. K. , MUSALLAM H. A.
Published: May 2016

Conversion of the aryl methyl ketones (I) to the silyl enol ethers (III) and subsequent oxidation with iodosobenzene (IV) in the presence of methanol lead to the formation of the α‐methoxy ketones (V).
ChemInform Abstract: Zinc Salt Catalyzed Rearrangement of Acetals of Optically Active Aryl 1‐Chloroethyl Ketones: Synthesis of Optically Active 2‐Arylpropionic Acids and Esters.
Authors: PICCOLO O. , SPREAFICO F. , VISENTIN G. , VALOTI E.
Published: May 2016

The (R)‐ and (S)‐isomers of the α‐phenylpropionic acids (IV) are prepared from the ketones (S)‐(I).
ChemInform Abstract: A Novel Synthesis of 3‐Arylglutaronitriles from Aromatic Aldehydes and Acetonitrile Under Ultrasound Irradiation.
Authors: SHIBATA K. , KONDO H. , URANO K. , MATSUI M.
Published: May 2016

The title reaction of the aldehydes (I) with CH3CN (II) in the presence of superoxide ion yields the title nitriles (III) as major products.
ChemInform Abstract: Efficient Palladium‐Mediated Synthesis of a Spirocyclic Model for Fredericamycin A.
Authors: CIUFOLINI M. A. , BROWNE M. E.
Published: May 2016

Starting with 2‐iodo‐benzoic acid (I), a multi‐step synthesis of the spirocyclic diketone (VIII) is performed as outlined in the reaction scheme.
ChemInform Abstract: Molecular Modification of Anticholinergics as Probes for Muscarinic Receptors. Part 3. Conformationally Restricted Analogues of Benactyzine.
Authors: FLAVIN M. T. , LU M. C. , THOMPSON E. B. , BHARGAVA H. N.
Published: May 2016

The conformationally restricted analogues (VII), (X), (XII), and (XIII) of benactyzine (I) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Absolute Configuration of Chain Branched Cimetidine Analogous Thioethers.
Authors: ELZ S. , DRAEGER M. + , SCHUNACK W.
Published: May 2016

The title compounds (III), promising building blocks for the preparation of H2‐histaminergic compounds, are synthesized according to a known procedure by condensation of the chiral aminoalkanethiols (I) with the imidazolocarbinol (II).
ChemInform Abstract: Thermal Cycloaddition of 4‐Phenyl‐1,2,4‐triazoline‐3,5‐dione to 7,7‐Carbomethoxy‐7H‐benzocycloheptene and 7,7‐Dimethyl‐7H‐benzocycloheptene. Cycloheptatriene‐Norcaradiene Equilibrium.
Authors: ATASOY B. , BALCI M. , BUEYUEKGUENGOER O. +
Published: May 2016

The 7H‐benzocycloheptenes (I) react with 4‐phenyl‐1,2,4‐triazoline‐3,5‐ dione (II) to give the bisadducts (III) via the intermediates (V).
ChemInform Abstract: Indole Derivatives. Part 128. Synthesis and Properties of 5,6‐ and 4,5‐Ethylenedioxyindoles.
Authors: PARTSVANIYA D. A. , AKHVLEDIANI R. N. , ZHIGACHEV V. E. , GORDEEV E. N. , KULESHOVA L. N. , SUVOROV N. N.
Published: May 2016

The title compounds (VI) and (VII) are prepared from the aminobenzodioxane (I) via the hydrazone (III) and ethylenedioxyindolecarboxylates (IV) and (V).
ChemInform Abstract: Antitumor Imidazotetrazines. Part 14. Synthesis and Antitumor Activity of 6‐ and 8‐Substituted Imidazo(5,1‐d)‐1,2,3,5‐tetrazinones and 8‐Substituted Pyrazolo(5,1‐d)‐1,2,3,5‐tetrazinones.
Authors: LUNT E. , NEWTON C. G. , SMITH C. , STEVENS G. P. , STEVENS M. F. G. , STRAW C. G. , WALSH R. J. A. , WARREN P. J. , FIZAMES C. , LAVELLE F. , LANGDON S. P. , VICKERS L. M.
Published: May 2016

The heterocyclic amines (I) and (V) are converted into the imidazo‐ and pyrazolotetrazinones (IV) and (VI).
ChemInform Abstract: Synthesis and Properties of 1,4,9‐Triazaspiro(5,5)undecane and 3,7,11‐Triazaspiro(5,6)dodecane.
Authors: KUROYAN R. A. , SARKISYAN V. V. , VARTANYAN S. A.
Published: May 2016

The spiro compounds (V) mentioned in the title are prepared from the bromoformylpiperidine (II) and the alkylenediamines (III).
ChemInform Abstract: Synthesis of Carbon‐Bridged Dibenzazocines and Dibenzodiazocines. Regiochemical Control Elements in the Beckmann Rearrangement.
Authors: CONFALONE P. N. , HUIE E. M.
Published: May 2016

BF3‐catalyzed rearrangement of the bridged oxim (I) produces the azocine (II) as the only product.
ChemInform Abstract: A New Amine Resolution Method and Its Application to 3‐Aminobenzodiazepines.
Authors: RITTLE K. E. , EVANS B. E. , BOCK M. G. , DIPARDO R. M. , WHITTER W. L. , HOMNICK C. F. , VEBER D. F. , FREIDINGER R. M.
Published: May 2016

The racemic 3‐aminobenzodiazepine (Ia) is coupled with the protected amino acids (II) to give the amides (Va), which are methylated to produce (Vb) and then deprotected, forming (Vc).
ChemInform Abstract: Ring Enlargement by Lactonization of Methylated 1‐(3′‐Hydroxypropyl)‐2‐oxocyclododecane‐1‐carbonitriles.
Authors: MILENKOV B. , HESSE M.
Published: May 2016

Michael reaction of the nitrile (I) and the aldehydes (II) affords the adducts (III).
ChemInform Abstract: (7)‐ and (9)(3,5)Troponophanes and the Corresponding Hydroxytropyliophanes.
Authors: YAMAGA H. , FUJISE Y. , ITO S.
Published: May 2016

The cyclohexenones (I) containing a polymethylene bridge are converted to the cycloheptenones (II) which undergo bromination and dehydrobromination, producing the dienones (III).
ChemInform Abstract: Silicon‐Functionalized Silyl Enol Ethers: A Novel Dialkylchlorosilyl Enol Ether and Its Conversion to Alkoxy and Aminosilyl Enol Ethers.
Authors: WALKUP R. D.
Published: May 2016

The lithium enolate (II) derived from pinacolone (I) is converted to the chlorosilyl enol ether (III) which undergoes substitution reactions with the nucleophiles (IV), yielding the alkoxy or aminosilyl enol ethers (V).
ChemInform Abstract: Reaction of Dimethyl(chloromethyl)chlorosilane with Trimethylsilyl Derivatives of 1‐Phenyl‐2‐acetyl and 1‐Phenyl‐2‐trifluoroacetylhydrazines.
Authors: KALIKHMAN I. L. , BANNIKOVA O. B. , VOLKOVA L. I. , BELOYSOVA L. I. , YUSHMANOVA T. I. , LOPYREV V. A. , VYAZANKINA O. A. , VYAZANKIN N. S. , PESTUNOVICH V. A.
Published: May 2016

The hydrazones (I) react with the silane (II) to give the transsilylation products (III).
ChemInform Abstract: An Unusual Substitution Reaction at a Twofold Coordinate Phosphorus Atom.
Authors: ROMANENKO V. D. , DRAPAILO A. B. , RUBAN A. V. , MARKOVSKII L. N.
Published: May 2016

Reaction of the iminophosphine (I) with the N‐haloamines (II) gives the aminoiminophosphines (III) which are also synthesized from the phosphorous amide dichloride (IV) and the silylamide (V).
ChemInform Abstract: Synthesis of Substituted Alkoxymethylphosphines and Their Derivatives.
Authors: LIVANTSOV M. V. , PRISHCHENKO A. A. , LUTSENKO I. F.
Published: May 2016

The alkoxymethylphosphines (III) are synthesized from the chlorophosphines (I) and the Grignard compounds (II).
ChemInform Abstract: Synthesis of Phosphorylated Nitrones by Reaction of α‐Oximinophosphonates with Diazoalkanes.
Authors: KHOKHLOV P. S. , MIKITYUK A. D. , KASHEMIROV B. A. , CHERVIN I. I. , KOSTYANOVSKII R. G.
Published: May 2016

Reaction of the oximinophosphonates (I) with diazomethane yields the phosphorylated nitrones (II) and the oxime ethers (III).
ChemInform Abstract: Synthesis and Reactivity of New Pentacoordinated Phosphoenolpyruvate Derivatives.
Authors: LABAUDINIERE L. , LEROUX Y. , BURGADA R.
Published: May 2016

The spirophosphoranes (III) are synthesized from the phosphites (I) and bromopyruvic acid (II).
ChemInform Abstract: Phosphite‐Phosphonate of Pentaerythrol.
Authors: GUBAIDULLIN R. N. , MUKMENEV E. T.
Published: May 2016

The diphosphite (I) reacts with two moles ethyl bromide (II) to give the phosphite‐phosphonate (III) and the isomeric spirocyclic diphosphonate (IV).
ChemInform Abstract: An Oligomer of 5,6‐Benzo‐1,3,2‐oxazaphosphorin‐4‐one and Some of Its Properties.
Authors: KULIEV A. K. , MOSKVA V. V. , AKHMEDZADE D. A. , PUDOVIK M. A.
Published: May 2016

Dehydrochlorination of the phosphorinane (I) gives the oligomeric benzoxazaphosphorines (II).
ChemInform Abstract: Stereoselection in the Hypervalent Iodine Oxidation of Chromium Tricarbonyl Complexes of Benzocyclanones.
Authors: MORIARTY R. M. , ENGERER S. C. , PRAKASH O. , PRAKASH I. , GILL U. S. , FREEMAN W. A.
Published: May 2016

Oxidation of the tricarbonylchromium complexes (I) of aromatic ketones with iodobenzene diacetate (II) in methanol stereoselectively produces the complexed α‐hydroxy acetals (III).
ChemInform Abstract: Phosphorus‐Tellurium Compounds. Part 3. Cyclopentadienyliron Tellurophosphorane Complexes: Tellurium‐Bridged Iron Phosphine Compounds?
Authors: KUHN N. , SCHUMANN H.
Published: May 2016

The tellurophosphoranes (II) react with the cation (I) to yield the complexes (III).
ChemInform Abstract: Transition‐Metal Compounds of Two Tetradentate Pyrazole Derivatives of Piperazine.
Authors: LOCHER K. , DRIESSEN W. L. , REEDIJK J.
Published: May 2016

The N,N'‐bis(pyrazolylmethyl)piperazines R4L1, newly synthesized from corresponding N‐hydroxymethylpyrazoles and piperazine, form with transition‐metal salts complexes of the type (I), (II), and (III).
ChemInform Abstract: Dinuclear Palladium(II) Complex of Pyridine‐2‐thiol.
Authors: UMAKOSHI K. , KINOSHITA I. , OOI S.
Published: May 2016

The reaction of palladium(II) acetate with pyridine‐2‐thiol in dioxane at room temp. yields the cis‐isomer of a complex, whose structure is formulated as the dimer (I) by single‐crystal X‐ray analysis (P21/c; Z=2).
ChemInform Abstract: Complexes of Hybrid Ligands. Synthesis, Reactions, and Structures of Platinum Complexes Derived from a Diphenylphosphino‐Substituted Fluorinated Tertiary Alcohol.
Authors: MONTGOMERY C. D. , PAYNE N. C. , WILLIS C. J.
Published: May 2016

The Pt(II) complexes (II), (III), (IV), (VI), and (VIII) are prepared as shown.
ChemInform Abstract: A Short, Efficient Synthesis of (.+‐.)‐Valerane.
Authors: GARRATT P. J. , PIELKE M. , PORTER J. R.
Published: May 2016

Dilithiated dimethyl 1,2‐cyclohexanedioate (I) is coupled with the diiodide (II) to give the isomeric diesters (III) which are reduced to give the isomeric diols (IV).
ChemInform Abstract: New Trihydroxy Bile Acids Produced by Cunninghamella blakesleeana ST‐22 from Lithocholic Acid.
Authors: JODOI Y. , NIHIRA T. , NAOKI H. , YAMADA Y. , TAGUCHI H.
Published: May 2016

The microbiological transformation of lithocholic acid (I) by the title fungus first yields the dihydroxy acid (II) which is further metabolized to give the trihydroxy acids (III)‐(V).
ChemInform Abstract: The Use of Crown Ethers in Peptide Chemistry. Part 1. Syntheses of Amino Acid Complexes with the Cyclic Polyether 18‐Crown‐6 and Their Oligomerization in Dicyclohexylcarbodiimide‐Containing Solutions.
Authors: MASCAGNI P. , HYDE C. B. , CHARALAMBOUS M. A. , WELHAM K. J.
Published: May 2016

The amino acid complexes (I) and (II) with the cyclic polyether 18‐crown‐6 are prepared with 77‐97% yield.
ChemInform Abstract: 3‐(Dimethylamino)‐2,2‐dimethyl‐2H‐azirine as an α‐Aminoisobutyric‐Acid (Aib) Equivalent: Cyclic Depsipeptides via Direct Amide Cyclization.
Authors: OBRECHT D. , HEIMGARTNER H.
Published: May 2016

The diamides (III) which are accessible by the reported reaction of the title compound (I) with the hydroxy acids (II) react to give the morpholinediones (V) by treatment with HCl/toluene.
ChemInform Abstract: Octahydropyrazino(2′,3′:3,4)pyrido(1,2‐a)indoles. A New Class of Potent Antihypertensive Agents.
Authors: JIRKOVSKY I. , SANTROCH G. , BAUDY R. , OSHIRO G.
Published: May 2016

Cyclization of 3‐methylindole (I) yields the ketone (II) which is converted to the pyrazinopyridoindoles (V).
ChemInform Abstract: Synthesis and Antiviral Activity of Various 3′‐Azido, 3′‐Amino, 2′,3′‐ Unsaturated, and 2′,3′‐Dideoxy Analogues of Pyrimidine Deoxyribonucleosides Against Retroviruses.
Authors: LIN T.‐S. , CHEN M. S. , MCLAREN C. , GAO Y.‐S. , GHAZZOULI I. , PRUSOFF W. H.
Published: May 2016

Analogues of pyrimidine deoxyribonucleosides such as (II), (Vb), (VIII), (IX), and (X) are prepared and their antiviral activities against Moloney‐murine leukemia virus and HTLV‐III/LAV/AAV virus are determined.
ChemInform Abstract: 5‐Amino‐5‐(diazoacetyl)‐1‐β‐D‐ribofuranosylimidazole, a New Antileukemia Agent.
Authors: THOMAS H. J. , AVERY L. N. , BROCKMAN R. W. , MONTGOMERY J. A.
Published: May 2016

The amino‐β‐D‐ribofuranosylimidazole‐4‐carboxamide (I) is converted into the derivatives (VI) and (VII) as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of 6‐Thiosialic Acids and 6‐Thio‐N‐acetyl‐D‐neuraminic Acid.
Authors: MACK H. , BROSSMER R.
Published: May 2016

The 6‐thiosialic acids (V) and (VI) and 6‐thio‐N‐acetyl‐D‐neuraminic acid (Xa) are prepared and some transformations of the compound (Xa) are studied, as outlined in the reaction scheme.
ChemInform Abstract: The Hole Capture Cross Section on CdS Photoelectrodes
Authors: PRADHANANGA R. R. , JUETTNER K. +
Published: May 2016

has been determined by studying the current multiplication effect observed for the oxidation of tartrate and formate, its pH dependence, and its quenching by the hole capturing reagent.
ChemInform Abstract: Hydrothermal Reactions in the SrO‐Al2O3‐H2O System
Authors: AHMED A. H. M. , SIKDER A. P. , MANDAL R. , BARMAN A. K.
Published: May 2016

using different SrO/Al2O3 ratios are carried out at temp. in the range 20‐200 °C under saturated steam pressure and the products are identified by chemical analysis, XRD, IR‐spectroscopy, and thermogravimetry.
ChemInform Abstract: The Effects of Adding Tl(I) to the Electrolyte on the Electrochemical and Photoelectrochemical Behaviour of Passivated Lead in H2SO4 in the Potential Range Between the PbSO4/PbO and PbO2/O2 Regions.
Authors: BARRADAS R. G. , NADEZHDIN D. S.
Published: May 2016

The presence of Tl(I) in the H2SO4 electrolyte inhibits β‐PbO2 formation to some degree, lowers the O2 evolution potential on PbO2 and decreases the rate of cathodic PbO2 reduction significantly.
ChemInform Abstract: Kinetics and Mechanism of the Oxidation of Tellurium(IV) by Thallium(III) in Perchloric Acid Medium.
Authors: DIKSHITULU L. S. A. , BABU R. R. , VANI P.
Published: May 2016

The rate of the title reaction is found to linearly decrease with increasing H+ concentration.
ChemInform Abstract: Reactions of Crystalline (R)‐(‐)‐ and (S)‐(+)‐Mandelic Acid with Amines. Crystal Structure and Dipole Moment of (S)‐Mandelic Acid. A Method of Determining Absolute Configuration of Chiral Crystals.
Authors: PATIL A. O. , PENNINGTON W. T. , PAUL I. C. , CURTIN D. Y. , DYKSTRA C. E.
Published: May 2016

The known phenomenon that gaseous (R)‐(I) reacts more quickly with single crystals of (S)‐(II) than its enantiomer (S)‐(I) is studied (furthermore, brief descriptions of the microscopically observed solid‐gas reactions of (S)‐(II) with (III) are given).
ChemInform Abstract: New Syntheses with α‐Acylketenimines and α‐Acylketenes.
Authors: CAPUANO L. , DJOKAR K. , SCHNEIDER N. , WAMPRECHT C.
Published: May 2016

Reaction of the acylketenimines (III) ‐ generated in situ from (Ia) or (Ib) and (II) ‐ with the ketene diacetal (V) or the enamine (VI) yields the iminopyrans (IV).
ChemInform Abstract: The Reaction of Sodium 1,3‐Diphenyl‐2‐azapropenide with 1,2‐Epoxycyclohexane.
Authors: BRADAMANTE S. , FERRACCIOLI R. , PAGANI G. A.
Published: May 2016

Ring opening of the epoxycyclohexane (I) with the title anion generated from (IV) by method A) affords a mixture of anions, the quenching and hydrolysis of which under various conditions leads to the products (V)‐(IX) (yields in g).
ChemInform Abstract: Reaction of Singlet Oxygen with Methylenecyclopropanes: Formation of 4‐Methylene‐1,2‐dioxolanes.
Authors: AKASAKA T. , ANDO W.
Published: May 2016

The fused methylenecyclopropanes (I), (IV), and (VI) react with singlet oxygen to give the photooxygenation products (II), (V) or (VII) and (VIII), together with traces of 2‐adamantanone (III).
ChemInform Abstract: Organic Reactions at High Pressure. Conversion of Cyclic Alkanones and Enones to 1,3‐Dioxolanes.
Authors: DAUBEN W. G. , GERDES J. M. , LOOK G. C.
Published: May 2016

Two procedures for the conversion of sterically hindered or less reactive ketones to the corresponding dioxolanes using high pressure are carried out as shown in the reaction scheme.
ChemInform Abstract: Carbon‐Carbon Bond Formation Using Hypervalent Iodine Under Lewis Acid Conditions: Scope of the Method for the Synthesis of Butane‐1,4‐diones.
Authors: MORIARTY R. , PRAKASH O. , DUNCAN M. P.
Published: May 2016

Hypervalent iodine oxidation of the silyl enol ethers (I) derived from various acetyl arenes yields the butanediones (II).
ChemInform Abstract: Polysulfide‐Promoted Conversions of Ene Carbonyls. Arrangements of o‐Methoxy‐Substituted Chalcone Units Incorporated into Product Thiolanes.
Authors: LALONDE R. T. , CODACOVI L. M. , HE C. , XU C. , CLARDY J. , KRISHNAN B. S.
Published: May 2016

The chalcones (I) react with sodium polysulfide to give the thiolanes (II) and (III).
ChemInform Abstract: Studies on Pyrrolidinones. Michael Reaction of Glutamic Acid and Diethyl Glutamate.
Authors: RIGO B. , COUTURIER D. , KOLOCOURIS N.
Published: May 2016

The pyroglutamic acid (I) is converted to the diester (IIa) which is hydrolyzed to form the dicarboxylic acid (IIb).
ChemInform Abstract: A Direct Preparation of 2‐Aryl‐4‐ethoxycarbonyl‐3‐pyrazolin‐5‐ones from Aryl Hydrazines.
Authors: TAYLOR A. W. , COOK R. T.
Published: May 2016

Reaction of the hydrazine (Ia) with the diester (II) in tBuOK/tBuOH yields the desired title compound (IIIa) in poor yield.