bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Nitrosochlorination of Substituted Imidazolin‐2‐ones.
Authors: GOLOVKO V. V. , STATSENSKAYA A. I. , BASKAKOV YU. A. , PUTSYKIN YU. G.
Published: May 2016

Treatment of 1‐(p‐chlorophenyl)imidazolinone (I) with nitrosyl chloride in methanolic solution gives the dimethoxy compound (II), while reaction of the 4‐phenyl compounds (III) in methanol or ethanol yields the monooximes (IV).
ChemInform Abstract: Reaction of Hexamethyldisilazane with Diacylhydrazines: An Easy 1,3,4‐ Oxadiazole Synthesis.
Authors: RIGO B. , CAULIEZ P. , FASSEUR D. , COUTURIER D.
Published: May 2016

The 1,3,4‐oxadiazoles (IV) are prepared in a one‐pot synthesis by reaction of the diacylhydrazones (I) with hexamethyldisilazane (II) and subsequent cyclizing desilylation of the intermediate (III).
ChemInform Abstract: Further Investigation on (3,3) Sigmatropic Rearrangement of Allyl Ethers of 4‐Hydroxycoumarin.
Authors: PATRA A. , MUKHOPADHYAY A. K. , MITRA A. K.
Published: May 2016

Rearrangement reactions of the allyl ethers (I) and further reactions of some products thus obtained are investigated leading to the results shown in the scheme (in part no yields given).
ChemInform Abstract: Diastereoselective Conjugate Addition to 3‐(p‐Tolylsulphinyl)chromone: A Route to Chiral 2‐Substituted Chroman‐4‐ones.
Authors: SAENGCHANTARA S. T. , WALLACE T. W.
Published: May 2016

The racemic chromone (III), prepared from the bromohydroxyacetophenone (I), reacts with lithium dimethylcuprate, yielding the two diastereomers (IV) only.
ChemInform Abstract: The Rearrangement of 3,4‐Dihydro‐2,2‐dimethyl‐2H,5H‐pyrano(2,3‐b)(1)benzopyran‐5‐ones with DDQ.
Authors: AHLUWALIA V. K. , ARORA K. K. , MUKHERJEE I. , MUKHERJEE K.
Published: May 2016

Dehydrogenation of the dihydropyranochromones (I) with DDQ results in a rearrangement reaction, yielding the pyranocoumarins (II) which can also be prepared from the corresponding dihydropyranocoumarins (III).
ChemInform Abstract: 3‐Amino‐5,6‐dihydro‐4H‐thiopyran 1,1‐Dioxides. Reactivity with Diethyl Azodicarboxylate and Some α,β‐Unsaturated Ketones.
Authors: FATUTTA S. , PITACCO G. , VALENTIN E.
Published: May 2016

The sec. enamines (IV) derived from the thiopyranone dioxide (I) are in tautomeric equilibrium with their imine forms (III) dependent on structure and physical state.
ChemInform Abstract: 1,2,5‐Trimethyl‐4‐(p‐hydroxyaryl)piperideines‐3 and Their Steric Structure.
Authors: REZAKOV V. A. , DAS S. K. , FOMICHEV A. A. , PROSTAKOV N. S.
Published: May 2016

The coupling of the piperidone (I) with the phenoles (II) gives the p‐hydroxyphenylpiperideines (III).
ChemInform Abstract: Aminolysis of Aryl and Arylalkyl Derivatives of Cyano‐oxiranes with Piperidine.
Authors: TINAPP P. , GROENEVELD U.
Published: May 2016

The cyano‐oxiranes (I) react with piperidine (II) to yield the amino alcohols (III) and (IV).
ChemInform Abstract: A Simple Synthesis of 4‐Amino‐2,2,6,6‐tetramethyl‐1‐piperidinyloxy Radical.
Authors: BUSHMAKINA N. G. , MISHARIN A. Y.
Published: May 2016

The title compound (IV) is prepared from the corresponding 4‐hydroxy derivative (I) via the mesylate (II) and the azide (III).
ChemInform Abstract: Isomazole. Synthesis of the Enantiomers.
Authors: JONAS R. , WURZIGER H.
Published: May 2016

3,4‐Diaminopyridine (II) is coupled with the carboxylic acid (I) to yield the diastereomeric pyridoimidazoles (III).
ChemInform Abstract: Synthesis of 2‐Aminomethyl‐1,10‐phenanthroline. A New Chelating Agent and Versatile Synthon for Other Chelating Compounds.
Authors: ENGBERSEN J. F. J. , KOUDIJS A. , JOOSTEN M. H. A. , VAN DER PLAS H. C.
Published: May 2016

1,10‐Phenanthroline (I) is oxidized to yield the N‐oxide (II) which is converted to the nitrile (III).
ChemInform Abstract: 2,2‐Dimethyl‐5‐(5‐R‐furfurylidene‐2)‐1,3‐dioxane‐4,6‐diones. Part 1. Synthesis, Properties, and Stereochemistry.
Authors: KRAPIVIN G. D. , KUL'NEVICH V. G. , VAL'TER N. I.
Published: May 2016

Meldrum's acid (I) reacts with the furfurols (II) or the dialdehyde (IV) to give the furfurylidenedioxanediones (III) and (V) respectively.
ChemInform Abstract: One‐Pot Synthesis of Monosubstituted Isopropylidene Malonates.
Authors: HUANG X. , XIE L.
Published: May 2016

The monosubstituted isopropylidenemalonates (IV) are prepared from Meldrum's acid (I) and the carbonyl compounds (II) in a one‐pot synthesis.
ChemInform Abstract: Synthesis of Imidazo(1,5‐c)pyrimidine Derivatives.
Authors: WADE J. J.
Published: May 2016

6‐Aminomethyluracil (II), obtained from the chloromethyl derivative (I), is converted to the acyl derivatives (III).
ChemInform Abstract: Heterocycles from Carbohydrate Precursors. Part 29. Reaction of Dehydro‐L‐ascorbic Acid Analogues with o‐Phenylenediamine.
Authors: EL ASHRY E. S. H. , ABDEL RAHMAN M. A. , EL KILANY Y. , RASHED N.
Published: May 2016

Reaction of the compound (I) with o‐phenylenediamine (II) yields the condensation product (III).
ChemInform Abstract: 1,3‐Thiazines. Part 34. Oxidations of Thiourethanes. Part 8. Oxidative Desulfurization and Nitrosating N‐Dealkylation by Nitrous or Nitric Acid.
Authors: HANEFELD W. , GUENES Z. E. +
Published: May 2016

The N‐dimethylamino thioxothiazinone (Ib) is demethylated, nitrosated, and desulfurized by treatment with nitrous or nitric acid to produce the thiazinedione (II).
ChemInform Abstract: 10‐Alkenylphenothiazines. Part 2. Synthesis and Mechanism of Acid Hydrolysis of cis‐ and trans‐10‐(2‐Phenylvinyl)phenothiazines.
Authors: ANFINOGENOV V. A. , NAPILKOVA O. A. , SIROTKINA E. E. , FILIMONOV V. D. , KHLEBNIKOV A. I.
Published: May 2016

The addition reaction of phenylacetylene (II) to phenothiazine (I) in a super basic medium yields mixtures of the cis‐ and trans‐phenylvinylphenothiazines (III) and (IV).
ChemInform Abstract: Heterocyclic Analogs of Pleiadiene. Part 59. Reaction of 1‐Acetonyl‐ and 1‐Phenacylperimidinium Salts with Hydrazine and Ammonium Acetate.
Authors: DAL'NIKOVSKAYA V. V. , KUZ'MENKO T. A. , POZHARSKII A. F.
Published: May 2016

Only the representatives (Ia) ‐ (Id) of the perimidinium salts (I) react with hydrazine to yield the tetrahydrotriazinoperimidines (IIa) ‐ (IId).
ChemInform Abstract: Trichomonacidal Drugs. Part 4. Chlorodiallylamino‐1,3,5‐triazines.
Authors: KREUTZBERGER A. , SCHLAEFER I. +
Published: May 2016

The chlorodiallylamino‐1,3,5‐triazines (III) are prepared by reaction of the dichlorotriazines (I) with the primary amines (II).
ChemInform Abstract: Macroheterocycles. Part 30. Synthesis of Chiral Cryptands and Polynuclear Crown Ethers.
Authors: LUKYANENKO N. G. , REDER A. S. , LYAMTSEVA L. N.
Published: May 2016

The chiral trinuclear crown ethers (VII) are prepared from the chiral diols (III), obtained by reaction of the monoazacrown ethers (I) with the optically active dioxirane (II) or the diiodide (IV).
ChemInform Abstract: Macroheterocycles. Part 28. Coronands with Carbodiimide Groups and Their Chemical Transformations.
Authors: LUKYANENKO N. G. , KIRICHENKO T. I. , LIMICH V. V.
Published: May 2016

The macrocyclic carbodiimides (II), obtained from the macrocyclic thioureas (I) by reaction with triphenylphosphine and carbon tetrachloride, are converted to the corresponding ureas (III), the isoureas (IV), or the guanidines (V) and (VII) by treatment with water, alcohols, and amines respectively.
ChemInform Abstract: Reactions of Vinylsilanes with Ethoxycarbonylnitrene Under Phase‐Transfer Conditions: A Novel Route to Silicon‐Containing Aziridines.
Authors: LUKEVICS E. , DIRNENS V. V. , GOLDBERG YU. SH. , LIEPINSH E. E.
Published: May 2016

The vinylsilane derivatives (I) and (VI) react with ethoxycarbonylnitrene, generated from the sulfonyloxycarbamate (II), to yield the silylated N‐ethoxycarbonylaziridines (IV) and (VII) as the main products.
ChemInform Abstract: A Simple Synthesis of 3H‐λ5‐Phosphole Derivatives from Alkyldiphenylphosphine Imines and Dimethyl Acetylenedicarboxylate.
Authors: BARLUENGA J. , LOPEZ F. , PALACIOS F.
Published: May 2016

The diphenylphosphine imines (Ia) and the phosphorane (Ib) are coupled with dimethyl acetylenedicarboxylate (II) to produce the adducts (III).
ChemInform Abstract: Synthesis and Some Reactions of a 2,2′‐Biphospholyl.
Authors: MERCIER F. , HOLAND S. , MATHEY F.
Published: May 2016

The biphospholene (I) is converted to the biphosphole (III) by bromination and subsequent dehydrobromination.
ChemInform Abstract: Synthesis of 3‐Selena‐7‐azabicyclo(3.3.1)nonanes and Certain Derivatives.
Authors: THOMPSON M. D. , SMITH G. S. , BERLIN K. D.
Published: May 2016

4‐Selenacyclohexanone (I) reacts with the amines (II) and paraformaldehyde (III) to produce the bicyclic ketones (IV).
ChemInform Abstract: New Stannylene‐Bridged Tetracarbonyliron Dimers.
Authors: SRIYUNYONGWAT V. , HANI R. , ALBRIGHT T. A. , GEANANGEL R.
Published: May 2016

The title complexes (I) have been synthesized by the direct reaction of the stannylenes with Fe2(CO)9 in benzene at 25 °C. IR, NMR, and Mößbauer spectra of the products indicate them to be new members of a class of dimeric stannylene‐tetracarbonyliron compounds containing Fe2Sn2 ring frameworks.
ChemInform Abstract: The Formation and Reactivity of Sulfito Complexes of Tetraethylenepentaminecobalt(III): X‐Ray Structure of αα‐(Co(tetren)SO3)ClO4.
Authors: SCHNEIDER K. J. , VAN ELDIK R. , ROODT A. , LEIPOLDT J. G.
Published: May 2016

Treatment of a mixture consisting of the αβR‐ and the αβS‐isomer of the chlorocobalt(III) complex of the pentamine with LiOH (pH 8), followed by addition of concentrated HClO4 (pH 2) yields the corresponding mixture of the aquocobalt complexes.
ChemInform Abstract: Mixed‐Metal Cluster Formation by Carbonylmetalate‐Induced Pt‐P Bond Cleavage in (PtCl2(Ph2PCH2PPh2)).
Authors: BRAUNSTEIN P. , GUARINO N. , DE MERIC DE BELLEFON C. , RICHERT J.‐L.
Published: May 2016

Bis(diphenylphosphino)methane bridges the metal centers in the heterometal clusters (III)‐(VII) which are formed via partial ligand migration on reaction of the title compound (I) with carbonylmetalates as shown.
ChemInform Abstract: Chemically Stable Homocinnamyl Analogues of the Leukotrienes: Synthesis and Preliminary Biological Evaluation.
Authors: BERNSTEIN P. R. , SNYDER D. W. , ADAMS E. J. , KRELL R. D. , VACEK E. P. , WILLARD A. K.
Published: May 2016

The phosphonium bromide (I) is converted into the epoxy Z‐olefin (VI) which reacts with the protected peptide synthons (VII), yielding the adducts (VIII).
ChemInform Abstract: Displacement of “Pseudoanomeric” Hydroxyl Groups by Using the Diethyl Azodicarboxylate‐Triphenylphosphine System.
Authors: HAYASHIDA M. , SAKAIRI N. , KUZUHARA H.
Published: May 2016

The cyclohexenepentol derivative (I) undergoes isomerization via an SN2‐mechanism using the Mitsunobu system (PPh3/DEAD/PhCOOH).
ChemInform Abstract: Synthesis of 2‐Amino‐2‐deoxyarabinose Hydrochloride.
Authors: WOLFROM M. L. , OTANI S.
Published: May 2016

Oxidation of the protected β‐D‐arabinopyranoside (I) yields the ulose (II) which is reduced and subsequently tosylated to give the ribopyranoside (III).
ChemInform Abstract: New Syntheses of Pulvinic Acids via Reformatsky‐Type Reactions with Arylmethoxymaleic Anhydrides.
Authors: GEDGE D. R. , PATTENDEN G. , SMITH A. G.
Published: May 2016

Reaction of the zinc enolate derived from (I) with the anhydride (II) gives the β‐hydroxy ester (III) which is assumed to have the anti‐geometry.
ChemInform Abstract: Stereoisomeric Flavor Substances. Part 12. 3‐Methyl‐4‐octanolide ‐ “Quercuslactone, Whiskylactone” ‐ Structure and Properties of the Stereoisomers.
Authors: GUENTHER C. + , MOSANDL A.
Published: May 2016

The ketoester (III) is synthesized by reaction of pentanal (I) with the crotonate (II).
ChemInform Abstract: Synthesis of Blood Serum Thymic Factor and Its Analogs.
Authors: CERNY M. , KASAFIREK E. , ROVENSKY J. , KREPELKA J.
Published: May 2016

The blood serum thymic factor FTS (Vb) and its two analogs (IIIc) and (VIIb) are synthesized by a novel procedure starting from the octapeptide (IIIa) accessible by combining the fragments (I) and (II) which, in turn, are constructed by the usual procedures.
ChemInform Abstract: Reactions of 2,2,2‐Trichloroethyl 6‐Diazopenicillanate with Aromatic Aldehydes. X‐Ray Crystal Structures of (3S,8aS)‐2,2,2‐Trichloroethyl 2,3‐Dihydro‐6‐(4‐methoxyphenyl)‐2,2‐dimethyl‐5‐oxo‐5H,8aH‐thiazolo(2,3‐b) (1,3)oxazine‐3‐carboxylate and (2S,5S)‐2,2,2‐Trichloroethyl‐4‐formyl‐2‐(4‐methoxyphenyl)‐6,6‐dimethyl‐3‐oxotetrahydro‐1,4‐thiazine‐5‐carboxylate.
Authors: JEPHCOTE V. J. , JOWETT I. C. , JOHN D. I. , EDWARDS P. D. , LUK K. , SLAWIN A. M. , WILLIAMS D. J.
Published: May 2016

Reaction of the diazopenicillanate (I) with the aromatic aldehydes (II) affords mixtures of the spiro epoxides (III), the aldehydes (IV), the oxazinones (V) and the thiazepines (VI), the product distribution depending on the aldehyde and Lewis acid catalyst used.
ChemInform Abstract: Synthesis of Penicillanate Dimers: An X‐Ray Crystal Structure of a Penicillanylidene‐penicillanate.
Authors: HANLON B. , JOHN D. I. , WILLIAMS D. J.
Published: May 2016

Treatment of the diazopenicillanate (I), its S‐oxide (IVa) and its S,S‐dioxide (IVb) with Cu(acac)2 according to method A) affords mixtures of the dimers (II) and (III) and (V) and (VI).
ChemInform Abstract: A Sensitive Method for Spectrophotometric Determination of Nitrate in Ground Water.
Authors: BHOWAL S. K. , SENGUPTA A. , KABIRAJ U.
Published: May 2016

NO3‐ reacts in conc.
ChemInform Abstract: Reactive Ion Etching in SF6 Gas Mixtures
Authors: PINTO R. , RAMANATHAN K. V. , BABU R. S.
Published: May 2016

containing varying amounts of O2, N2, H2, and Ar has been studied for crystalline and polysilicon, SiO2, and S3N4 using RF cathodes covered with Al disk or with a 0.5 cm thick circular quartz plate.
ChemInform Abstract: Plasma Etching of β‐SiC.
Authors: KELNER G. , BINARI S. C. , KLEIN P. H.
Published: May 2016

A room temp. SF6 plasma etching technique, which is suitable for β‐SiC device fabrication, has been developed.
ChemInform Abstract: Stereochemical Aspects of the Bose Reaction for α‐Amino‐β‐lactam Synthesis
Authors: MANHAS M. S. , VAN DER VEEN J. M. , WAGLE D. R. , HEGDE V. R. , BARI S. S. , KOSARYCH Z. , GHOSH M. , KRISHNAN L.
Published: May 2016

Review: (70 refs.
ChemInform Abstract: Hydrogen Halide Radical Anions.
Authors: RAYNOR J. B. , ROWLAND I. J. , SYMONS M. C. R.
Published: May 2016

60Co γ irradiation of Me3NSO3 doped with Me3NHX (X: F, Cl, Br, I) at 77 K causes the formation of HX·‐ radical anions which are identified by ESR spectra.
ChemInform Abstract: Crystal Structure of Mn2O7.
Authors: SIMON A. , DRONSKOWSKI R. , KREBS B. , HETTICH B.
Published: May 2016

Mn2O7, prepared by reaction of KMnO4 with H2SO4 (+20% SO3), forms monoclinic crystals in the space group P21/c with Z = 8. In the structure the Mn atoms are surrounded tetrahedrally by O atoms.
ChemInform Abstract: Hexagonal Molybdates: Crystal Structure of (Na·2 H2O)Mo5.33(H4.5)0.67O18
Authors: MCCARRON E. M. III , THOMAS D. M. , CALABRESE J. C.
Published: May 2016

(I).
ChemInform Abstract: Effect of W(VI)‐OH Group on Electrochromism of Polyoxotungstate Film.
Authors: YAMASE T. , MATSUZAWA M. , SASAKI Y.
Published: May 2016

Amorphous films of K0.33WO3.165 (I) have been prepared by vacuum evaporation of polycrystalline (I).
ChemInform Abstract: EPR Evidence for New Rhodium Species in Na‐Y Zeolite.
Authors: SAYARI A. , MORTON J. R. , PRESTON K. F.
Published: May 2016

The EPR spectra of Rh‐exchanged Na‐Y zeolite heated at 400 °C under flowing O2 and subsequently evacuated at 20 °C indicate the presence of at least three different Rh(II) species.
ChemInform Abstract: Stress Corrosion Crack Initiation in α‐Brass Exposed to Sodium Nitrite Solutions
Authors: YU J. , PARKINS R. N. , XU Y. , THOMPSON G. , WOOD G. C.
Published: May 2016

is observed to occur most readily at grain and twin boundaries, despite the crack propagation is predominantly transgranular.
ChemInform Abstract: Effect of Phosphoric Acid Treatment on the Catalytic Properties of Niobic Acid.
Authors: OKAZAKI S. , KURIMATA M. , IIZUKA T. , TANABE K.
Published: May 2016

H3PO4 treatment of niobic acid (Nb2O5·nH2O) is very effective in maintaining a large surface area and a large amount of strong acid sites and in preventing crystallizing.
ChemInform Abstract: Effects of Aluminum Oxide in Restructuring Iron Single Crystal Surfaces for Ammonia Synthesis.
Authors: STRONGIN D. R. , BARE S. R. , SOMORJAI G. A.
Published: May 2016

Treatment of the (110) and (100) surfaces of iron with 20 torr H2O vapor causes surface restructuring.
ChemInform Abstract: Dopant‐Induced Metal‐Support Interactions. Part 1. Influence on Chemisorptive Behavior.
Authors: AKUBUIRO E. C. , VERYKIOS X. E.
Published: May 2016

TiO2 supports doped with KNO3, MgO, GeO2, WO3, Sb2O5, or Ta2O5 have been used as carriers for Pt crystallites in order to investigate the concept of dopant‐induced metal‐support interactions.
ChemInform Abstract: Selective Oxidation Catalysts Containing Antimony for the Conversion of 1‐Butene to Butadiene. Part 1. Preparation and Characterization.
Authors: STRAGUZZI G. I. , BISCHOFF K. B. , KOCH T. A. , SCHUIT G. C. A.
Published: May 2016

Synthesis and characterization (XPS, XRD, X‐ray fluorescence, BET surface area measurements) of a series of MSbO4 (M: Fe, Al, Cr, Rh) and CoSb2O6 catalysts have been carried out.
ChemInform Abstract: Acidity and Activity of Fluorinated Mordenites.
Authors: GHOSH A. K. , KYDD R. A.
Published: May 2016

Mordenite samples treated with dilute HF (≤ 0.25 M) show appreciable Al removal and small amounts of residual fluorine.
ChemInform Abstract: IR and NMR Spectroscopic Investigations on Substituent Effects in Siloxy and Alkoxysilanes.
Authors: POPOWSKI E. , HOLST N. , KELLING H.
Published: May 2016

The position and the integral intensity of the ν(SiH) band and the 29Si‐1H coupling constants of the compounds (I)‐(IV) are measured and show a dependence on R, m and n. Spectroscopic data of (I) and (II) correlate with the σ* constants of the substituents R. The influence of the substituent effects through the (Me2)Si‐O‐ and (Me2)C‐O‐group on the Si‐H bond is approximately the same.
ChemInform Abstract: The Phenomenon of Conglomerate Crystallization. Part 9. Clavic Dissymmetry in Coordination Compounds. Part 7. An Investigation of the Crystallization Behaviour of (trans‐Co(en)2(ONO)X)Y, (trans‐Co(en)2(NO2)X)Y, with (X: NO‐ 2, NCS‐) and (Y: I‐, ClO‐ 4, NO‐ 3, NCS‐) and the Crystal Structures of Racemic (trans‐Co(en)2(NO2)2)I and of Racemic (trans‐Co(en)2(NO2)2)NCS. Why Are Some Conglomerates and Some Racemic?
Authors: BERNAL I. , CETRULLO J.
Published: May 2016

The compound (Ia) crystallizes in the space group C2/c with Z=4 and (Ib) in P1, Z=2.
ChemInform Abstract: The Stabilization of α‐Substituted Oxy‐ and Thiocarbanions.
Authors: BERNARDI F. , BOTTONI A. , VENTURINI A. , MANGINI A.
Published: May 2016

Results obtained in an ab initio study at an extended level of the effects of the oxy and thio substituents upon the stabilities of α‐carbanions are reported.
ChemInform Abstract: Electronic Structure of Piano‐Stool Dimers. Part 3. Relationships Between the Bonding and Reactivity of the Organically Bridged Iron Dimers (CpFe(CO))2(μ‐CO)(μ‐L) (L: CO, CH2, C=CH2, CH+).
Authors: BURSTEN B. E. , CAYTON R. H.
Published: May 2016

The electronic structures of the title molecules are investigated by Fenske‐Hall MO calculations.
ChemInform Abstract: Structure and Properties of the Products of the Thermal Cyclization of 1‐Acetoxy‐3,7‐dimethyl‐1,2,6‐octatriene.
Authors: ERMAN M. B. , VOLKOVA O. O. , CHERKAEV G. V. , PRIBYTKOVA I. M. , ANTIPIN M. YU. , STRUCHKOV YU. T. , MOCHALIN V. B.
Published: May 2016

The thermal cyclization of the title compound (I) affords a separable mixture of the cyclopentene (II), the bicyclo(2.1.1)hexane (III) and the exo‐ and endo‐acetoxybicyclo(3.2.0)heptenes (IV) and (V), the latter with "bridgehead" carbon‐carbon double bonds.
ChemInform Abstract: Mechanism of the Photodissociation of s‐Tetrazine: A Unimolecular Triple Dissociation.
Authors: SCHEINER A. C. , SCUSERIA G. E. , SCHAEFER H. F. III
Published: May 2016

The triple dissociation of s‐tetrazine to HCN + HCN + N2 has been investigated by ab initio molecular electronic structure theory.
ChemInform Abstract: Effect of Phenyl Substitution on the Photochemistry of Conformationally Restricted Cycloalkanones.
Authors: CASAL H. L. , MCGIMPSEY W. G. , SCAIANO J. C. , BLISS R. A. , SAUERS R. R.
Published: May 2016

The photochemical and photophysical (fluorescence spectra, quantum yields, lifetimes, phosphorescence) properties of the ketones (I) are described.
ChemInform Abstract: Electron Transfer. Part 83. Reductions of Unsaturated Esters with Vitamin B12s (Cob(I)alamin).
Authors: PILLAI G. C. , GOULD E. S.
Published: May 2016

The diesters of maleic and fumaric acid (III) and (I), respectively, are rapidly reduced to succinic esters (II) by cob(I)alamin in aqueous media.
ChemInform Abstract: Study of the Mannich Reaction with 1‐Phenylamino‐3‐indenone.
Authors: HAMMOUDA M. , HAMAMA W. S. , AFSAH E. M.
Published: May 2016

Depending on the reagents and reaction conditions used, the title compound (Ia) affords the products shown in the scheme.
ChemInform Abstract: A Convenient Synthesis of Novel Pentacyclo(5.4.0.02,6.03,10.05,9)undecane‐8,11‐dione‐4‐spiro‐1‐cyclopropane.
Authors: SINGH V. K. , RAJU B. N. S. , DEOTA P. T.
Published: May 2016

The polycyclic title compound (IV) is prepared by thermal Diels‐Alder reaction or cycloaddition in micellar media of the spirodiene (I) and p‐benzoquinone (II), followed by photochemical intramolecular (2 + 2)cycloaddition of the primary adduct (III).
ChemInform Abstract: Iodoarylation of Acrylonitrile and Acrylic Esters by Aryldiazonium Salts.
Authors: GANUSHCHAK N. I. , OBUSHAK N. D. , POLISHCHUK O. P.
Published: May 2016

The reaction between the aryldiazonium salts (I) and acrylonitrile or the acrylic esters (II) in the presence of alkali iodides yields the iodoarylalkanes (III).
ChemInform Abstract: Reaction of 4‐Ethoxy‐2‐phenyl‐2‐oxazolin‐5‐one with Primary Amines in the Presence of Thiols: One‐Flask Synthesis of N‐Substituted 2‐Benzoylamino‐3‐alkylthio‐2‐propenamides.
Authors: TIKDARI A. M. , TRIPATHY P. K. , MUKERJEE A. K.
Published: May 2016

The 2‐benzoylamino‐3‐alkylthio‐2‐propenamides (IV) are prepared by treating the oxazolinone (I) with the primary amines (II) and the thiols (III).
ChemInform Abstract: A Convenient Synthesis of Glycidyl Esters (2,3‐Epoxypropyl Alkanoates).
Authors: OTERA J. , MATSUZAKI S.
Published: May 2016

The organotin phosphate catalyzed reaction of epichlorohydrin (I) with carboxylic acids (II) yields a mixture of the ester chlorohydrins (III) and (IV).
ChemInform Abstract: Regioselective Synthesis of 2‐Hydroperoxy‐2‐methylenebutanoic Acid Derivatives via Photooxygenation of Tiglic Acid Derivatives.
Authors: ADAM W. , GRIESBECK A.
Published: May 2016

Photooxygenation of the E‐2‐methyl‐2‐butenoic acid derivatives (I) yields the 3‐hydroperoxy‐2‐methylenebutanoic acid derivatives (II).
ChemInform Abstract: Synthesis of Quinazoline‐4‐thione and 1H‐Indazole Derivatives.
Authors: SUESSE M. + , JOHNE S.
Published: May 2016

The indazoles (II) are prepared by condensation of the known thioanilides (I) or (III) with hydrazine.
ChemInform Abstract: Guanidinophenyl Derivatives of Pyrazole: Synthesis and Inhibitory Effect on Serine Proteinases, Blood Coagulation and Platelet Aggregation.
Authors: FERRONI R. , MENEGATTI E. , SCALIA S. , ORLANDINI P. , GUARNERI M. , TADDEO U.
Published: May 2016

The aminopyrazoles (I) react with the acyl chlorides (II) to form the N‐acylaminopyrazoles (III).
ChemInform Abstract: Synthesis of Bicyclic γ‐Lactams via Oxazolidinones.
Authors: BALDWIN J. E. , LEE E.
Published: May 2016

Reaction of the protected L‐aspartic acid (I) with paraformaldehyde (II) yields the title oxazolidinone (III).
ChemInform Abstract: A Convenient Synthesis of Nitro‐Substituted 1,2‐Benzisothiazol‐3(2H)one 1,1‐Dioxides (Nitrosaccharins).
Authors: SAARI W. S. , SCHWERING J. E.
Published: May 2016

3‐Nitrophthalic anhydride (I) is converted to 6‐nitroanthranilic acid (IVa) and the corresponding ester (IVb).
ChemInform Abstract: A Convenient Synthetic Method for β‐Alkoxy‐ and β‐Phenoxyacrylic Acids and 3,4‐Dihydro‐2H‐pyran‐5‐ and 2,3‐Dihydrofuran‐4‐carboxylic Acids.
Authors: HOJO M. , MASUDA R. , SAKAGUCHI S. , TAKAGAWA M.
Published: May 2016

The β‐trihaloacetyl vinyl ethers (III) and (VI), prepared from the vinyl ethers (I) and (V) and the trihaloacetic anhydride (II), are hydrolyzed by bases in benzene to yield the corresponding acids (IV) and (VII).
ChemInform Abstract: Reaction of 2‐Acetyltetralone with Some Esters of Benzoic Acid.
Authors: ARCOLEO A. , GOTTUSO M. , GIAMMONA G. , FONTANA G. , ABBATE G.
Published: May 2016

The triketones (III), prepared from 2‐acetyltetralone (I) and the esters (II), are cyclized by sulfuric acid to form the fused pyranones (IV).
ChemInform Abstract: Addition of Some Enamino Esters to 3‐Substituted Coumarins.
Authors: IVANOV I. C. , RAEV L. D.
Published: May 2016

The enaminocarboxylates (I) equilibrate with their tautomers (II).
ChemInform Abstract: A Novel and Convenient Synthesis of Substituted Coumarins.
Authors: AWASTHI A. K. , TEWARI R. S.
Published: May 2016

N,N‐Dimethyl(dichlorophosphoryloxymethylene)ammonium chloride (III), prepared from DMF and phosphoryl chloride, is used as the phosphorylating agent in the anellation of the 2‐hydroxyphenyl aldehyde and ketones (I) with the carboxylic acids (II) to yield the coumarins (IV).
ChemInform Abstract: Preparation and Some Spectral Properties of Benzo‐Fused 1,4‐Dimethyl2(1H)‐quinolinones.
Authors: ITO K. , MARUYAMA J. , SHIMAMORI T.
Published: May 2016

The N‐methyl naphthyl amines (II), obtained from the amides (I), react with diketene (III) to produce the acetoacetanilides (IV).
ChemInform Abstract: Synthesis and Pharmacological Evaluation of Cyclic and Opened Thioanalogues of Piperoxan.
Authors: STRAPPAGHETTI G. , BRASILI L.
Published: May 2016

Piperidine (I) is coupled with allyl bromide (II) to give N‐allylpiperidine (III) which reacts with bromine to form the dibromopropylpiperidine (IV).
ChemInform Abstract: Heterocycles with Quinoid Functions. Part 7. Benzo(f)quinazoline‐7,10‐ diones with Potential Antitumor Activity.
Authors: PARROT‐LOPEZ H. , DELACOTTE J.‐M. , RENAULT J. , CROS S.
Published: May 2016

6‐Methoxy‐2‐naphthylamine (I) reacts with the ethoxymethylene urethane (II) to yield the formamidine (III).
ChemInform Abstract: Reaction of Phenyl Lithium with a Series of Pyrazines. Trapping of Reactive Intermediates with Methyl Benzoate.
Authors: METTEY Y. , VIERFOND J.‐M.
Published: May 2016

The pyrazines (I), (VII), and (IX) are treated with phenyl lithium (II) in the presence of methyl benzoate to yield the products (IV) ‐ (VI), (VIII), and (X) ‐ (XII) respectively.
ChemInform Abstract: New Multidentate Ligands. Part 28. Synthesis and Evaluation of New Macrocyclic Ligands Containing Bidentate Endocyclic Catechol Donor Groups.
Authors: SUN Y. , MARTELL A. E. , MOTEKAITIS R. J.
Published: May 2016

The synthesis of the 26‐membered macrocyclic ligand (IVb) is accomplished by high dilution condensation of the compounds (Id) and (II), deblocking of the product (III) (→ (IVa)) and subsequent reaction with the acid (V).
ChemInform Abstract: Cycloaddition Reactions of Benzothiete with Azomethines.
Authors: JACOB D. , MEIER H.
Published: May 2016

Benzothiete (I) is thermolyzed to produce the o‐quinoid intermediate (II) which undergoes a cycloaddition reaction with the azomethines (III) to produce the benzothiazine derivatives (IV).
ChemInform Abstract: Synthesis of (+)‐ and (‐)‐Homononactic Acid. Total Synthesis of the Macrotetrolide Tetranactin by “Reverse Coupe du Roi”. Proposal of the Structure of Isodinactin.
Authors: SCHMIDT U. , WERNER J.
Published: May 2016

The (+)‐ and (‐)‐homononactic acid esters (V), prepared in several steps from 2‐vinylfuran (I) and (S)‐ethyloxirane (II), are used for the synthesis of tetranactin (X).
ChemInform Abstract: Novel Syntheses of 2,3‐Dihydro‐5H‐1,4‐benzoxathiepins and 1,2,3,5‐Tetrahydro‐4,1‐benzothiazepines.
Authors: ISHIBASHI H. , OKADA M. , AKIYAMA A. , NOMURA K. , IKEDA M.
Published: May 2016

The chloroacetates (II), obtained by chlorination of the thioethers (I), are cyclized to yield the benzoxathiepins or benzothiazepines (III).
ChemInform Abstract: Structure of a Monomeric Phosphinoborane: Synthesis and X‐Ray Crystal Structure of (Diphenylphosphino)dimesitylborane.
Authors: FENG X. , OLMSTEAD M. M. , POWER P. P.
Published: May 2016

The title compound is prepared by 1:1 molar reaction of dimesitylboryl fluoride and LiPPh2 in ether with 40% yield and characterized by 31P and 11B NMR spectroscopy in addition to X‐ray crystallography (space group P21/c, Z=4).
ChemInform Abstract: Chemistry of Boron. Part 178. Boron‐Nitrogen Compounds. Part 111. Reactions of Borazines with Pyrazole and Related Studies: (μ‐Amido)(μ‐pyrazolato)diboron Species, Novel Relatives of the Pyrazaboles.
Authors: BIELAWSKI J. , DAS M. K. , HANECKER E. , NIEDENZU K. , NOETH H. +
Published: May 2016

The reactions of borazines (Ia), (Ic) or of bis(dimethylamino)boryl amines (IIb), (IIc) with pyrazole (III) in molar ratio 1:3 lead to the title compounds (IV) containing a central B2N3 ring system.
ChemInform Abstract: Synthesis of 1‐Amino‐1‐(pyridyl)‐methanephosphonates and Corresponding Acids via Pyridylaldimines.
Authors: BODUSZEK B. , WIECZOREK J. S.
Published: May 2016

The pyridine carbaldehyde (Ia) reacts with the corresponding amines (II) to the intermediate Schiff bases (IV) which give the title compounds (V) on treatment with the dialkyl phosphites (III).
ChemInform Abstract: Trimethylsilyl and Trimethylstannyl Esters of the Trithiophosphonic Acids; Preparation, Protolysis, and Further Reactions.
Authors: HAHN J. , NATANIEL T.
Published: May 2016

The trithiophosphonic acid bis(silyl) esters (II) are formed from the bis(silyl) phosphanes (I) by reaction with S8.
ChemInform Abstract: Triazole Phosphonates. Electrophilic Substitution of 1‐Substituted‐1H‐ 1,2,4‐Triazoles via Lithiated Triazole Intermediates.
Authors: ANDERSON D. K. , SIKORSKI J. A. , REITZ D. B. , PILLA L. T.
Published: May 2016

The 1‐substituted 1,2,4‐triazoles (I) are lithiated and then treated with the electrophiles (II), (IV), or (VI) to yield the 5‐substituted derivatives (III), (V), or (VII).
ChemInform Abstract: Reactions of 2‐Substituted Ethylamines with Hexachlorocyclotriphosphazene.
Authors: ALLEN C. W. , MACKAY J. A.
Published: May 2016

Depending on the stoichiometry the reaction of hexachlorocyclotriphosphazene (I) with 2‐haloethylamines leads to the mono‐, gem‐di‐ or tetrasubstituted products (IIa)‐(IIc).
ChemInform Abstract: Hexacoordinate Phosphorus. Part 3. Neutral Fluoro(trifluoromethyl)(N,N‐dimethylcarbamato‐O,O′)phosphorus(V) Derivatives.
Authors: CAVELL R. G. , VANDE GRIEND L.
Published: May 2016

Reaction of (CF3)5‐nPFn (n: 2, 3 or 4) with Me2NCO2SiMe3 yields the phosphorus complexes (I) or (II) as single isomers or (III) and (IV) as isomeric mixture.
ChemInform Abstract: Reaction of Hexakis(trifluoromethylthio)‐ and Hexakis(trifluoromethylseleno)benzenes with Nucleophilic Agents.
Authors: YAGUPOL'SKII L. M. , KOLOMEITSEV A. A. , KONDRATENKO N. V. , POPOV V. I. , IGNAT'EV N. V.
Published: May 2016

Hexakis(trifluoromethylseleno)benzene (Ia) and its thio analogue (Ib), on treatment with anhydrous NH3, easily undergo nucleophilic substitution to give the pentakis(trifluoromethylseleno)aniline (IIa) or its thio analogue (IIb).
ChemInform Abstract: Reactions of Dichloroaluminum Acetylacetonate with Lewis Bases. Part 2. Ionic Complexes of Cl2Alacac with Dimethoxyethane and Dimethylformamide.
Authors: LEWINSKI J. , PASYNKIEWICZ S.
Published: May 2016

Independent of the molar ratio the reaction of dichloroaluminum acetylacetonate with dimethoxyethane yields the complex (Ia).
ChemInform Abstract: Synthesis, Characterization, and Photobehavior of Macrocyclic Difluoro Complexes of Chromium(III).
Authors: KANE‐MAGUIRE N. A. P. , WALLACE K. C. , SPEECE D. G.
Published: May 2016

The complexes (I) and (II) are prepared with 85% and 62% yield by refluxing the corresponding macrocycles with trans‐(Cr(Py)4F2)ClO4 in methoxyethanol.
ChemInform Abstract: Synthesis and Characterization of Polynuclear Chromium(III) Alkyls. Crystal Structure of a Paramagnetic μ3‐Methylidyne Complex with Short Nonbonded Cr‐Cr Contacts.
Authors: RICHESON D. S. , HSU S.‐W. , FREDD N. H. , VAN DUYNE G. , THEOPOLD K. H.
Published: May 2016

The dichloroalkyl‐Cr complexes (I) react with Tl cyclopentadienide to give the chloride‐bridged dimers (II).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of Mo2(CO)6(C34H32N10)(C3H7NO)8.
Authors: CARR P. , PIGGOTT B. , WONG S. F.
Published: May 2016

The title complex (II) is prepared as shown and crystallizes as (II)·8 DMF in the space group P1 with Z=2.
ChemInform Abstract: Reactions of the Thiocarbyne (HB(pz)3)(CO)2W(CSMe) and Thiocarbene (HB(pz)3)(CO)2W(η2‐CH(SMe))+ Complexes with Phosphines.
Authors: KIM H. P. , KIM S. , JACOBSON R. A. , ANGELICI R. J.
Published: May 2016

Reaction of the title carbyne complex (I) with PEt3 gives the η2‐ketenyl derivative (II) which on methylation at the ketenyl O atom yields the unusual acetylene complex (III).
ChemInform Abstract: Reactions of the Thiocarbene Complex (HB(pz)3)(CO)2W(η2‐CH(SMe))+ with Sulfur, Carbon, and Nitrogen Nucleophiles.
Authors: KIM H. P. , ANGELICI R. J.
Published: May 2016

Nucleophiles such as mercaptides, dimethyl malonate, or 4‐(dimethylamino)pyridine add to the carbene C atom of the title complex (I) to give the air‐stable adducts (II) in which the C and S atoms remain coordinated.
ChemInform Abstract: Tris(trifluoromethyl)phosphine Iron(0) Carbonyls: Stereochemical Effects.
Authors: BURG A. B.
Published: May 2016

The displacement of CO from Fe(CO)5 by (CF3)3P in sunlight stops at the third stage, forming the relatively inert complex (I) preceded by (II) and (III).
ChemInform Abstract: A Macrocyclic Tetradentate Ligand Containing Tertiary Amine and Pyridine Functional Groups. Electrochemical and X‐Ray Structural Studies on (Co(II)(CR‐Me3)Cl)ClO4 (CR‐Me3: meso‐2,3,7,11,12‐Pentamethyl‐3,7,11,17‐tetraazabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene).
Authors: CHE C.‐M. , MAK S.‐T. , MAK T. C. W.
Published: May 2016

The desired macrocycle (Ib) is obtained by methylation of (Ia).
ChemInform Abstract: Synthesis and Characterization of Tetra‐N‐alkylated Cyclam Ligands That Contain a Functionalized Nitrogen Substituent.
Authors: BAREFIELD E. K. , FOSTER K. A. , FREEMAN G. M. , HODGES K. D.
Published: May 2016

The monofunctionalized cyclam ligands (Ib)‐(Id) are prepared by derivatization of (Ia).
ChemInform Abstract: Exchange Interaction Through Hydrogen‐Bond Bridges and the Effect of a Single‐Oxygen Bridge. Crystal Structures and Magnetic Susceptibilities of Two Binuclear Copper(II) Complexes of 2‐Amino‐2‐methyl‐1‐propanol.
Authors: MUHONEN H.
Published: May 2016

The 3:1 molar reaction of the title ligand with Cu(II) sulfate in MeOH/EtOH leads to the formation of the complex (I) as a MeOH monosolvate.
ChemInform Abstract: Preparation of Trinuclear Adducts from Quadridentate Schiff Base Copper(II) Complexes with Metal(II,III) Nitrate.
Authors: KASUGA K. , KADOWAKI M. , NAGAHARA T. , YAMAMOTO Y.
Published: May 2016

The Schiff base Cu(II) complex (II) reacts with CuCl2 (molar ratio 1:1) to give the binuclear product (I).
ChemInform Abstract: Copper(II) Complexes of L‐Histidylglycyl‐L‐histidylglycine and L‐Histidyl‐L‐histidylglycylglycine: Coordination Mode of Histidyl Residues.
Authors: UEDA J. , IKOTA N. , HANAKI A. , KOGA K.
Published: May 2016

The complex formations of the title tetrapeptides with Cu(II) ion are studied in a slightly alkaline medium by visible absorption, CD and electron spin resonance spectroscopies.
ChemInform Abstract: New Copper Chemistry. Part 10. Oxidation of Organocuprates with Nitroarenes: “Higher Order” Cyanocuprates Are Different.
Authors: BERTZ S. H. , GIBSON C. P.
Published: May 2016

The oxidation of mixed cuprates prepared from either CuCN or CuI (I) with BuLi and PeLi under varying conditions is studied.
ChemInform Abstract: Competition Between Gold(I) Thiomalate ′Myocrisin′ and Five‐Membered and Six‐Membered Heterocyclic Ligands.
Authors: ISAB A. A.
Published: May 2016

The relative binding strengths of the heterocyclic ligands (II) and (III) with myocrisin (I) in aqueous solution are determined by 13C NMR spectroscopy.
ChemInform Abstract: Synthesis and Antiarthritic Study of a New Orally Active Diferuloyl Methane (Curcumin) Gold Complex.
Authors: SHARMA K. K. , CHANDRA S. , BASU D. K.
Published: May 2016

The brown title complex (I) is synthesized by reaction of curcumin with auric chloride in refluxing ethanol.
ChemInform Abstract: Heterobimetallic Complexes of Rhodium with Platinum, Silver, and Gold Containing Bridging 2‐(Bis(diphenylphosphino)methyl)pyridine (PNP) Ligands.
Authors: MCNAIR R. J. , PIGNOLET L. H.
Published: May 2016

The reaction of the Rh(I) complex (I) with the Pt(0) complex (II) leads to cleavage of a P‐C bond of one PNP ligand coordinated to Rh and to formation of the heterobimetallic complex (III) bridged by one PPh2 group and one PNP ligand.
ChemInform Abstract: Protonation and Dimerization Reactions of Cyclopentadienylrhodiumcarbonylphosphine and Phosphite Derivatives.
Authors: BITTERWOLF T. E.
Published: May 2016

The phosphine‐ and phosphite‐Rh complexes (II) and (III) are prepared from its CO analogues by substitution reactions and characterized by IR, 1H, and 31P NMR spectra.
ChemInform Abstract: New AuPt2 A‐Frame Cluster Complexes.
Authors: ARSENAULT G. J. , MANOJLOVIC‐MUIR L. , MUIR K. W. , PUDDEPHATT R. J. , TREURNICHT I.
Published: May 2016

Addition of corresponding gold fragments to the Pt‐Pt bond of the complex (I) leads to the formation of the cationic complex (IIa) or the neutral complex (IIIa).
ChemInform Abstract: Platinum(II) Complexes of Methyl‐Substituted Xanthines: Crystal Structures of K(Pt(theobromine)Cl3)·H2O, trans‐(Pt(isocaffeine)2Cl2)·H2O and K(isocaffeinium)(PtCl4)·H2O.
Authors: CROWSTON E. H. , GOODGAME D. M. L. , HAYMAN P. B. , SLAWIN A. M. Z. , WILLIAMS D. J.
Published: May 2016

The Pt complexes (I)‐(IV) containing theophylline L1 (R1: Me, R2: H), isocaffeine L2 or theobromine L1 (R1: H, R2: Me) are prepared by previously reported methods.
ChemInform Abstract: Aminomalonato(1,2‐diaminocyclohexane)platinum(II): A Competitive Antitumor Compound Within a New Class of Neutral, Chemically Stable, Water Soluble, Functionalized Platinum(II) Complexes.
Authors: GANDOLFI O. , APFELBAUM H. C. , BLUM J.
Published: May 2016

The aminomalonatobis(amine)Pt complexes (III) are prepared as shown and characterized by elemental analysis and IR spectra.
ChemInform Abstract: Synthesis and Spectral Characterization of Blue Azo Dyes of the Benzene Series.
Authors: THIEL W. , MAYER R. , JAUER E.‐A. , MODROW H. , DOST H.
Published: May 2016

A great variety of donor‐acceptor substituted azo dyes of the benzene series (III), (IV), (VII)‐(X) are synthesized.
ChemInform Abstract: Total Synthesis of the Insect Antifeedant Ajugarin I and Degradation Studies of Related Clerodane Diterpenes.
Authors: JONES P. S. , LEY S. V. , SIMPKINS N. S. , WHITTLE A. J.
Published: May 2016

The title compound (XII), an antifeedant from Ajuga remota(Labiatae), is synthesized according to the reaction sequence shown in the scheme.
ChemInform Abstract: Potential Bile Acid Metabolites. Part 12. Synthesis of Stereoisomeric 3,7,12‐Trihydroxy‐5α‐cholanic Acids and Related Compounds.
Authors: IIDA T. , SHINOHARA T. , MOMOSE T. , TAMURA T. , MATSUMOTO T. , NAMBARA T. , CHANG F. C.
Published: May 2016

The stereoisomeric 3,7,12‐trihydroxy‐5α‐cholanic acid esters (IV), (VII), (X), and (XII) are prepared from the 3,7‐dihydroxy‐12‐oxo‐5α‐ esters by reduction with sodium borohydride/palladium dichloride or with tert‐butylamine borane complex.
ChemInform Abstract: Synthetic Studies in Carbohydrates. Part 44. A Synthesis of Methyl 3‐O‐α‐D‐Mannopyranosyl‐α‐D‐mannopyranoside and Related Disaccharides.
Authors: CHOWDHARY M. S. , JAIN R. K. , RANA S. S. , MATTA K. L.
Published: May 2016

The key intermediates (IVa) and (IVb) are synthesized from the protected mannosides (I) as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of Methyl 3‐Acetamido‐4‐O‐benzoyl‐2,3,6‐trideoxy‐2‐fluoro‐β‐ L‐mannopyranoside: A Protected 2‐Fluoro Analogue of Acosamine.
Authors: BAPTISTELLA L. H. B. , MARSAIOLI A. J. , IMAMURA P. M. , CASTILLON S. , OLESKER A. , LUKACS G.
Published: May 2016

Reaction of the 2‐triflate (Ib), derived from the known azidoalcohol (Ia), with tetrabutylammonium fluoride yields the fluoro derivative (II).
ChemInform Abstract: The Knoevenagel‐Doebner Reaction on 2,3‐O‐Isopropylidene Derivatives of D‐Ribo‐ and D‐Manno‐furanose.
Authors: LOPEZ HERRERA F. J. , SOLEDAD PINO GONZALEZ M.
Published: May 2016

Knoevenagel‐Doebner reaction of the mannofuranoside (I) with the ester (II) results in epimerization at C‐2, yielding the gluco product (IIIa) which is hydrolyzed to give (IIIb).
ChemInform Abstract: Synthetic Studies in Carbohydrates. Part 45. Synthesis of Methyl 2‐Oand 3‐O‐α‐D‐Talopyranosyl‐α‐D‐mannopyranoside.
Authors: RANA S. S. , MATTA K. L.
Published: May 2016

Treatment of the disaccharide (Ia) with tert‐butylchlorodiphenylsilane gives exclusively the compound (Ib).
ChemInform Abstract: Synthesis of Diazomethyl β‐D‐Galactopyranosyl and β‐D‐Glucopyranosyl Ketones. Potential Affinity‐Labeling Reagents for Carbohydrate‐Binding Proteins.
Authors: MYERS R. W. , LEE Y.‐C.
Published: May 2016

The carboxylic acids (III) are prepared from the heptononitriles (I) by two routes.
ChemInform Abstract: Synthesis of the Tetradeoxynucleotide d(pGpApTpC) by a Combined Method. Use of a Methyl Group for the Protection of the Internucleotidic Phosphate Moiety.
Authors: KONSTANTINOV V. V. , MISHARIN A. YU.
Published: May 2016

The preparation of the title compound (VI) is described.
ChemInform Abstract: Total Synthesis of Antibiotic A23187 (Calcimycin) from D‐Glucose.
Authors: NAKAHARA Y. , FUJITA A. , BEPPU K. , OGAWA T.
Published: May 2016

The pyranoside (III) serves as a common intermediate for the preparation of the synthons (IV) and (V) (syntheses described).
ChemInform Abstract: A Biomimetic Approach to Sporidesmins. Synthesis of an α,β‐Epoxytryptophan Derivative.
Authors: PLATE R. , THEUNISSE A. W. G. , NIVARD R. J. F. , OTTENHEIJM H. C. J.
Published: May 2016

To investigate the probable biosynthetic pathway to sporidesmins like (III) via the epoxides (I) and (II) the model compound (VI) is synthesized starting from the tryptophan derivative (IV).
ChemInform Abstract: Acetone Dimethyl Hydrazone: Useful Synthon for the Synthesis of Pheromones with Keto and Spiroketal Functions.
Authors: REDDY G. B. , MITRA R. B.
Published: May 2016

The key step in the syntheses of the pheromones (III) and (IX) is the regioselective bisalkylation of acetonedimethylhydrazone (I) either with the protected bromoalcohol (II) or with n‐nonyl bromide (VIII) and Z‐3‐nonenyl bromide (VII).
ChemInform Abstract: Current Trends in Synthetic Pyrethrum Insecticides Development ‐ Modifications at Acidic Group
Authors: BALICKI R. , LEGOCKI J. , SOBOTKA W.
Published: May 2016

Review: (106 refs.
ChemInform Abstract: A Glass Formation Study of Aqueous Rare Earth Electrolyte Solutions.
Authors: KANNO H. , AKAMA Y.
Published: May 2016

Glass transition temp. have been measured for aqueous solutions of LnCl3, Ln(NO3)3, Ln(ClO4)3, and Ln(CF3COO)3 (Ln: La‐Lu).
ChemInform Abstract: A New Series of Compounds of Compositions U2La2n‐2O2nSn+1 with 2 ≤ n ≤ 6. Structural Approach.
Authors: VO VAN TIEN VO VAN TIEN , CHILOUET A. , ECREPONT C. , GUITTARD M. , FLAHAUT J.
Published: May 2016

The title compounds have been prepared by direct reaction of stoichiometric amounts of UOS and La2O2S (1400 °C, argon, yields not given).
ChemInform Abstract: Synthesis and Crystal Structure of TlCu3Te2: A Tellurocuprate with Filled CuAl2‐Type Structure.
Authors: KLEPP K. O.
Published: May 2016

Single crystals of the title compound have been obtained by annealing a mixture of Tl5Te3 and Cu powder at 750 °C (1 week).
ChemInform Abstract: Fluorides and Fluoro Acids. Part 11. Poly(hydrogen fluorides) with the Tetramethylammonium Cation: Preparation, Stability Ranges, Crystal Structures, (HnFn+1)‐ Anion Homology, Hydrogen Bonding F‐H···F.
Authors: MOOTZ D. , BOENIGK D.
Published: May 2016

The melting diagram of the Me4NF‐HF system has been investigated between 50 and 100 mol% HF in the temp. range ‐185 to 162 °C. The following intermediary stable compounds are observed in this quasi‐binary system: Me4NF·2 HF (I) (m.p. 110 °C), Me4NF·3 HF (II) (20 °C, decomposition), Me4NF·5 HF (III) (‐76 °C, decomposition), and Me4NF·7 HF (IV) (‐110 °C, decomposition).
ChemInform Abstract: Mechanism of Oxygen Reactions at Porous Oxide Electrodes. Part 1. Oxygen Evolution at RuO2 and RuxSn1‐xO2 Electrodes in Alkaline Solution Under Vigorous Electrolysis Conditions.
Authors: LYONS M. E. G. , BURKE L. D.
Published: May 2016

On the basis of experimental results (long‐term stability tests, anode deterioration measurements, cyclic voltammetry) as well as of earlier mechanistic analysis novel O2‐evolution and oxide‐dissolution mechanisms are proposed involving reactive oxyruthenium surface groups.
ChemInform Abstract: The Dehydriding Kinetics of Mg2Ni Intermetallic Compound
Authors: HAN J. S. , LEE J.‐Y.
Published: May 2016

are analyzed on the basis of the rate data obtained under nearly isothermal conditions using a thermal ballast of Ni powder and a Cu tube reactor in order to suppress the heat‐flow effect.
ChemInform Abstract: Size Quantization Effects in the Photocatalytic Activity for Small TiO2 Particles Prepared by Precipitation Method.
Authors: ANPO M. , SHIMA T.
Published: May 2016

A drastic increase in the quantum yield for the photocatalytic hydrogenation of MeCCH is observed when the particle size of the TiO2 catalyst (both rutile and anatase type) is decreased to less than 100 Å.
ChemInform Abstract: Incorporation and Stability of Iron in Molecular‐Sieve Structures. Ferrisilicate Analogues of Zeolite ZSM‐5.
Authors: SZOSTAK R. , NAIR V. , THOMAS T. L.
Published: May 2016

Ferrisilicates with the zeolite ZSM‐5 structure have been prepared from ferrisilicate gels containing low‐molecular‐weight silica species (preparation: addition of silica in H2O to a acidified aqueous solution of Fe(NO3)3, subsequent addition of tetrapropylammonium bromide, heating at 170 °C, 3 d, autogeneous pressure).
ChemInform Abstract: Experimental and Theoretical Dipole Moments of Purines in Their Ground and Lowest Excited Singlet States.
Authors: AARON J.‐J. , GAYE M. D. , PARKANYI C. , CHOU N. S. , VON SZENTPALY L.
Published: May 2016

Ground‐state dipole moments of the purines (I)‐(III) are determined at 25 °C in acetic acid (with the exception of purine (I) (R: ‐H)) and in part in ethyl acetate.
ChemInform Abstract: Circular Dichroism of a Subnanosecond State: (δ)‐Fe(bpy)2+ 3.
Authors: MILDER S. J. , GOLD J. S. , KLIGER D. S.
Published: May 2016

Investigation of the excited‐state absorption and CD spectra.
ChemInform Abstract: Length of the Ethane Bond in Hexaphenylethane and Its Derivatives.
Authors: KAHR B. , VAN ENGEN D. , MISLOW K.
Published: May 2016

Crystals of the hexaphenylethane (IIa), grown by allowing cyclohexane solutions of the monomer (Ia) to stand for 2 months at room temp., belong to the space group Pm3n with Z=2.
ChemInform Abstract: Bisamides of Squaric Acid: The Structures of 3,4‐Dipyrrolidino‐3‐cyclobuten‐1,2‐dione, 2,4‐Dipyrrolidino‐3‐oxocyclobutenylium‐1‐olate (Dipyrrolidinosquaraine), and 2,4‐Dipyrrolidino‐3‐oxocyclobutenylium‐1‐thiolate (Dipyrrolidinothiosquaraine).
Authors: MATTES R. , JOHANN G. , PIEPER C.
Published: May 2016

The title compounds (I), (IIa) and (IIb) crystallize in the space groups I2/c (Z=4), P21/c (Z=2), and Pbcn (Z=4), respectively.
ChemInform Abstract: Importance of Intermolecular Hydrogen···Hydrogen and Hydrogen···Anion Contacts for the Lattice Softness, the Electron‐Phonon Coupling, and the Superconducting Transition Temperatures, Tc, of Organic Conducting Salts β‐(ET)2X (X‐: IBr‐ 2, AuI‐ 2, I‐ 3).
Authors: WHANGBO M.‐H. , WILLIAMS J. M. , SCHULTZ A. J. , EMGE T. J. , BENO M. A.
Published: May 2016

On the basis of the crystal structures of the title compounds, determined at low temp. (9 K) under ambient and applied pressure, the structural factors responsible for the occurrence of the structural modulation in β‐(ET)2I3 under ambient pressure are examined.