bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Physicochemical Studies on Solid Solutions of Calcium Phosphorus Arsenic Hydroxyapatites
Authors: MAHAPATRA P. P. , MAHAPATRA L. M. , MISHRA B.
Published: May 2016

Ca10(PO4)6‐x(AsO4)x(OH)2 with x = 1‐6, prepared in aqueous media at 100 °C are performed by XRD, IR, electron microscopy, TGA and DTA.
ChemInform Abstract: Synthesis and Structure of Polynuclear Peroxofluorozirconates K6Zr3F12(O2)3·2 H2O2·2 H2O.
Authors: CHERNYSHOV B. N. , DIDENKO N. A. , BUKVETSKII B. V. , GERASIMENKO A. V. , KAVUN V. YA. , SERGIENKO S. S.
Published: May 2016

The complex formation in the system ZrOCl2·8 H2O‐KF·2 H2O‐H2O2 is investigated by 19F NMR spectroscopy.
ChemInform Abstract: Domino and Pincer Cycloadditions with syn‐o,o′‐Dibenzenes: Pressure Dependence and Mechanistic Implications.
Authors: KLAERNER F.‐G. + , ARTSCHWAGER‐PERL U. , FESSNER W.‐D. , GRUND C. , PINKOS R. , MELDER J.‐P. , PRINZBACH H.
Published: May 2016

The regioselectivity of the cycloaddition reactions between the dibenzo‐fused cage compounds (I) and dienophiles such as dicyanoacetylene (II) is investigated under various conditions.
ChemInform Abstract: The Formation of Ketones in the Presence of Carbon Monoxide Over CuO/ZnO/Al2O3.
Authors: ELLIOTT D. J. , PENNELLA F.
Published: May 2016

From labeling experiments it is learned that carbon from CO is not incorporated into the products (II) and (III) but that oxygen is exchanged between CO and the products.
ChemInform Abstract: (3,3) Sigmatropic Rearrangements in Indoloazabicyclo(3.3.1)nonene Systems. Reversal of the Stereofacial Selectivity in the Claisen vs the Ortho Ester Claisen Rearrangement.
Authors: ZHANG L.‐H. , TRUDELL M. L. , HOLLINSHEAD S. P. , COOK J. M.
Published: May 2016

Regardless of the bulkiness of the substituent R, both allylic alcohols (I) undergo acid‐catalyzed ortho ester Claisen rearrangement preferentially from the β‐face of the molecule to give the diastereomers (III) and (IV) as main products (X‐ray structure of (IIIb): space group P21/n, Z=4).
ChemInform Abstract: Non‐Concerted Pathways in the Generation of Dehydroarenes by Thermal Decomposition of Diaryliodonium Carboxylates.
Authors: LUIS S. V. , GAVINA F. , FERRER P. , SAFONT V. S. , TORRES M. C. , BURGUETE M. I.
Published: May 2016

The dehydroarenes (I)‐(III) are generated in the thermal decomposition of appropriate diaryliodonium carboxylates as demonstrated by the use of the three phase test, where precursors and trapping agents are bound to different resins.
ChemInform Abstract: Enantioselective Synthesis of Cyclohexene Nitroaldehydes.
Authors: MORENO M. C. , PLUMET J. , ROMAN E. , SERRANO J. A. , RODRIGUEZ M. L. , RUIZ‐PEREZ C.
Published: May 2016

The acetoxylated manno‐ (Ia) or galacto‐nitroalkenes (Ib) are subjected to Diels‐Alder reaction with 2,3‐dimethylbutadiene (II) to form the cyclohexenes (III) and (IV).
ChemInform Abstract: Synthesis and Antiviral Activity of 2,7‐Bis(alkoxycarbonylmethoxy)‐9‐fluorenones.
Authors: LITVINOVA L. A. , LYAKHOV S. A. , ZHUKOVA N. A. , ANDRONATI S. A. , MUSIENKO V. I. , YASINSKAYA O. G. , VINOGRAD I. A. , KOZLOVSKII M. M. , PENTSARSKII O. YA.
Published: May 2016

The dihydroxyfluorenones (I) react with the bromoacetic acid esters (II), yielding the bis(alkoxycarbonylmethoxy)fluorenones (III).
ChemInform Abstract: 4‐((tert‐Butyldiphenylsilyl)oxy)‐2‐(tributylstannyl)‐2E‐buten‐1‐ol: A Useful Precursor for Tetrahydrofuran Synthesis.
Authors: BARRETT A. G. M. , BARTA T. E. , FLYGARE J. A.
Published: May 2016

The 2‐tributylstannylbutenediol (I) is transformed into the monosilylated derivative (III) which forms a dianion salt upon treatment with butyllithium.
ChemInform Abstract: Synthesis and Antiviral Activity of 2‐Benzyl(isobutyl)‐5‐hydroxybenzofuran Derivatives.
Authors: LYUBCHANSKAYA V. M. , VELEZHEVA V. S. , NIKOLAEVA I. S. , GOLOVANOVA E. A. , ALEKSEEVA L. M. , FOMINA A. N.
Published: May 2016

A number of benzofuran derivatives is prepared as shown in the reaction scheme by common methods.
ChemInform Abstract: Aromatization of Aliphatic Compounds. Part 10. Dihydrocinnolinones and 1‐Aminooxindoles.
Authors: BONANOMI M. , BAIOCCHI L.
Published: May 2016

Six examples of 1‐aminooxindole syntheses are given.
ChemInform Abstract: Synthesis and Application of a Highly Efficient, Homochiral Dienophile.
Authors: WALDNER A.
Published: May 2016

The isothiazolinone (I) reacts with peracids to give the isomeric S‐oxides (II).
ChemInform Abstract: The Formation of Furoxan‐3,4‐dicarboxamides from Nitroacetamides.
Authors: HARRIS P. A. , JACKSON A. , JOULE J. A.
Published: May 2016

The nitroacetamides (I) react with thionyl chloride to give the furoxans (III) via dimerization of the intermediate nitrile N‐oxides (II).
ChemInform Abstract: Synthesis and Pharmacological Properties of 1‐Alkyl‐3,4‐tetramethylene‐β‐carbolines.
Authors: KOMISSAROV I. V. , DULENKO V. I. , DOLZHENKO A. T. , NIKOLYUKIN YU. A. , KIBAL'NYI A. V. , ZIN'KOVSKAYA L. YA. , OBRAZTSOVA O. G.
Published: May 2016

The indolylcyclohexanone (I) reacts with the carboxylic anhydrides (II) to give the indolobenzopyrrylium salts (III) which are transformed into the alkyltetramethylene‐β‐carbolines (V) upon treatment with gaseous ammonia (IV).
ChemInform Abstract: Iminium Ion‐Mediated Cyclizations of 4‐Aryl‐1,4‐dihydropyridines. Regio‐ and Stereoselective Intermolecular Cycloaddition Reactions.
Authors: HARTMAN G. D. , PHILLIPS B. T. , HALCZENKO W. , PITZENBERGER S. M.
Published: May 2016

The BF3‐catalzyed cycloaddition reaction of the dihydropyridine (I) with cyclic dienes, e.g. cyclopentadiene (II), yields tricyclic adducts such as (III).
ChemInform Abstract: Structural and Synthetic Studies in the 4‐Phenyl‐1,3‐dioxane Class. Part 1. Obtaining and Characterization of 5‐Chloro‐4‐phenyl‐1,3‐dioxanes by Prins Reactions.
Authors: DARABANTU M. , VASILIONI V. , MAGER S. , FEY L. , FODOR C.
Published: May 2016

Prins reaction of the β‐chlorostyrenes (I) with formaldehyde (II) in aqueous sulfuric acid leads to the formation of a mixture of the cis‐ and trans‐1,3‐dioxanes (IV) and (V) via the chlorophenylpropane‐1,3‐diols (III).
ChemInform Abstract: Generation and Cycloaddition Reactions of Phenylsulfonyl‐Substituted 1,3‐Butadienes.
Authors: PADWA A. , HARRISON B. , MURPHREE S. S. , YESKE P. E.
Published: May 2016

The alkynyl phenyl sulfone (I) is consecutively treated with LDA and methyl iodide (II) to form the allene (III) which reacts with sodium phenylsulfinate (IV) to produce the 1,2‐disulfonyl‐2‐butene (V).
ChemInform Abstract: Photolysis of Chloroacetamides as a Route to New 2,8‐Bridged Isoquinoline Derivatives. X‐Ray Crystal Structure of 8,13‐Dihydro‐2‐methoxy‐4,6‐ethanodibenz(c,f)azonine‐5,7‐dione.
Authors: BREMNER J. B. , JATURONRUSMEE W. , ENGELHARDT L. M. , WHITE A. H.
Published: May 2016

The dibenzoquinolones (I) are reduced and then acylated to give the N‐chloroacetyl compounds (IV) which are irradiated to give the bridged cyclization products (V), together with minor amounts of the pentacyclus (VIa).
ChemInform Abstract: 1‐ and 2‐(Trialkylsilyl)ethanols: New Silyl Reagents from Tin, Lithium, and Boron Chemistry.
Authors: SODERQUIST J. A. , RIVERA I. , NEGRON A.
Published: May 2016

The reaction of (α‐methoxyvinyl)lithium (III), prepared from (I) by tin/lithium exchange with trialkylchlorosilanes such as (IV), yields the corresponding vinylsilane, e.g. (V).
ChemInform Abstract: Organocyanocopper‐Trifluoroborane‐Mediated 1,3‐Chirality Transfer Reaction of γ‐(Mesyloxy) α‐Alkyl α,β‐Enoates for the Construction of Chiral Quaternary Carbon Centers with High Optical Purity.
Authors: IBUKA T. , AKIMOTO N. , TANAKA M. , NISHII S. , YAMAMOTO Y.
Published: May 2016

The sequence for the preparation of quarternary chiral carbon centers starts with the Witting olefination, e.g. of the derivative (I) of D‐glycerolaldehyde, forming the E‐ and Z‐olefines (S)‐(III) and (S)‐(IV).
ChemInform Abstract: Preparation and Structural Characterization of Methylmercury(II) Complexes of 7‐Deaza‐8‐azaadenine.
Authors: SHELDRICK W. S. , BELL P. , HAEUSLER H.‐J. +
Published: May 2016

The methylmercury(II) complexes (I)‐(VIII) of the title ligand are isolated from aqueous solutions depending on stoichiometric ratio and pH value.
ChemInform Abstract: Iron Carbene Complexes. Part 4. Substitution Reactions of Diiron Carbene Complexes with P(OMe)3, PPh3 and tBuNC Ligands.
Authors: VAN DYK M. M. , VAN ROOYEN P. H. , LOTZ S.
Published: May 2016

Reaction of the carbene complex (I) with a slight excess of L (II) results in substitutions of the carbene group as well as a CO ligand on the other Fe atom affording the disubstitution derivatives (III).
ChemInform Abstract: N,N‐Cyanines in the Benz(c,d)indole Series and Their Transformation into Anionic Dyes.
Authors: VASILENKO N. P. , MAIDANNIK A. G. , MIKHAILENKO F. A.
Published: May 2016

The benzindolium perchlorate (I) is coupled with ethyl orthoformate (II) or malonaldehyde dianil hydrochloride (IV) to give the cyanines (III).
ChemInform Abstract: The Chemistry of Eremophila spp. Part 32. A New Stereochemical Class of Bicyclic Sesquiterpenes from Eremophila virgata W.V. Fitzg. (Myoporaceae).
Authors: GHISALBERTI E. L. , JEFFERIES P. R. , SKELTON B. W. , WHITE A. H. , WILLIAMS R. S. F.
Published: May 2016

The absolute configuration of the acids (I)‐(III) is deduced from an X‐ray analysis of a derivative of (I).
ChemInform Abstract: Metabolites of Mixed Biogenesis from Cystoseira tamariscifolia (Huds.) Papenf.
Authors: AMICO V. , PIATTELLI M. , NERI P. , RUBERTO G.
Published: May 2016

In addition to five known tetraprenyltoluquinols, the previously unreported ethers (I) and tamariscolone (II) are isolated from the title species.
ChemInform Abstract: Original Morphinan Isomers Isolated from Stephania zippeliana.
Authors: CHARLES B. , GUINAUDEAU H. , BRUNETON J. , CABALION P.
Published: May 2016

Besides eight aporphinoids six morphinans are isolated; four of them are new, namely (+)‐erromangine (Ia) (isomeric with the known (+)‐isostephodeline (Ib) having revised structure), (+)‐tannagine (IIb) (isomeric with the known (+)‐stephodeline (IIa)), (+)‐zippeline (III), and (+)‐zippelianine (IV).
ChemInform Abstract: Carbon Transfer Reactions with Heterocycles. Part 5. Pictet‐Spengler Reaction Using Perhydrooxazines. A Facile Synthesis of (.+‐.)‐Calycotomine and Analogues.
Authors: SINGH H. , SINGH K.
Published: May 2016

Tetrahydroisoquinolines/β‐carbolines are synthesized by acid‐catalyzed condensation of biogenic amines with perhydrooxazines which compare favorably with oxazolidines in C‐2 unit transfer at carbonyl group level.
ChemInform Abstract: New Chromonocoumarin (= 6H,7H‐(1)Benzopyrano(4,3‐b)(1)benzopyran‐6,7‐dione) Derivatives from Polygala fruticosa Berg.
Authors: DI PAOLO E. R. , HAMBURGER M. O. , STOECKLI‐EVANS H. , ROGERS C. , HOSTETTMANN K.
Published: May 2016

The compounds frutinone A (Ia), frutinone B (Ib) and frutinone C (Ic) are the first chromonocoumarins discovered in nature.
ChemInform Abstract: The Access to the Three Subunits of the Antitumor Antibiotic CC‐1065 by Hetero‐Cope Rearrangement of Vinyl N‐Phenylhydroxamates.
Authors: MARTIN P.
Published: May 2016

Structural subunits of the title antitumor antibiotic, e.g. the compounds (IX), (XVII) and (XIX), are synthesized via vinylation of the hydroxamic acids (II) and (XIV) followed by hetero‐Cope rearrangement.
ChemInform Abstract: Preparation of 5‐Bromotetronates (4‐Alkoxy‐5‐bromo‐2(5H)‐furanones) and a New Concept for the Synthesis of Aflatoxins and Related Structure Types. Tributyltin Hydride versus Palladium‐Promoted Intramolecular Hydroarylation.
Authors: HOFFMANN H. M. R. , SCHMIDT B. , WOLFF S.
Published: May 2016

The coupling of suitably functionalized ortho‐iodophenols such as (I) with 5‐bromotetronates such as (II) yields the iodophenoxyfuranones, the cyclization modes of which are investigated.
ChemInform Abstract: The Synthesis of Chiral Isopropylidene Derivatives of 1,2,3‐Cyclohexanetriols by Enzymatic Differentiation.
Authors: DUMORTIER L. , VAN DER EYCKEN J. , VANDEWALLE M.
Published: May 2016

The cyclohexenones (I) are converted to the 1‐acyloxy‐2,3‐O‐isopropylidenecyclohexanediols (±)‐(V) and (±)‐(VII).
ChemInform Abstract: High‐Temperature Superconducting Bi‐Sr‐Ca‐Cu‐O Films on Silicon
Authors: BECKER S. , DIETZE H.‐J. , HENNIG K.
Published: May 2016

are obtained by using a laser‐induced plasma deposition technique, by which a superconducting target, Bi2Sr2Ca2Cu3Ox with Tc = 90‐95 K, is evaporated, dissociated, and ionized by a Nd‐YAG laser beam followed by deposition on a Si(100) substrate.
ChemInform Abstract: Low‐Molecular Phosphorus Sulfides in the Gas Phase.
Authors: KECK H. , KUCHEN W. , RENNEBERG H. , TERLOUW J. K. , VISSER H. C.
Published: May 2016

The phosphorus sulfur ions PS+ (I), PS2+ (II) and the P2S+· 2 ion radical are generated by electron‐impact fragmentation of P4S10.
ChemInform Abstract: Investigations of Tin(II) Halide Aqueous Solutions and Solvent Extracts by 119Sn NMR Spectroscopy: Characterization of the Trihalogenostannate(II) Anions (SnX3)‐, (SnX2Y)‐, and (SnX(Y)Z)‐ (X, Y, or Z: Cl, Br, or I).
Authors: CODDINGTON J. M. , TAYLOR M. J.
Published: May 2016

The solvent extraction method is used to prepare diethyl ether phases of all ten trihalogenostannate(II) anions (SnClxBryIz)‐ (x + y + z = 3) and the 119Sn NMR spectra of these phases are recorded at ‐60 °C. The order of Sn(II) nuclear shielding, I < Br < Cl, in these complexes is found to be opposite to that observed in Sn(IV) halide systems.
ChemInform Abstract: Solid‐Liquid Phase Equilibria in the System KCl‐MgCl2‐H2O at Elevated Temperatures. Part 3. Isotherms at 160, 170, and 180 °C.
Authors: FANGHAENEL TH. + , EMONS H.‐H. , KOEHNKE K. +
Published: May 2016

The study of the solid‐liquid phase equilibria in the title system at 160, 170, and 180 °C reveals the presence of two double salts, 1.5 KCl·MgCl2·2 H2O and KCl·MgCl2·2 H2O, in addition to the known phases.
ChemInform Abstract: Electrocatalytic Reduction of Chromate(VI) Ions in Alkaline Media on Pt Modified by Underpotential Deposition (upd) of Heavy Metals.
Authors: SAZOU D. , KOKKINIDIS G.
Published: May 2016

The reversibility of the electroreduction of Cr(VI) in alkaline media, which is significantly inhibited on smooth Pt by formation of insoluble Cr(OH)3 and adsorption phenomena, can be remarkably enhanced by modification of the electrode surface with Bi upd adatoms.
ChemInform Abstract: Effects of Potassium Adlayer on the Adsorption and Desorption of Hydrogen on a Pd(100) Surface.
Authors: SOLYMOSI F. , KOVACS I.
Published: May 2016

Adsorption of hydrogen on a potassium‐dosed Pd(100) surface effects a work function increase of 0.7‐1.4 eV at 100 K, depending on the K coverage (ϑK).
ChemInform Abstract: Synthesis and Characterization of Bis(undeca tungstogallate) Lanthanates of Potassium.
Authors: LIU J. , ZU Z. , ZHAO B. , LIU Z.
Published: May 2016

With a view to developing new rare earth catalysts, the heteropoly tungstogallate (III) and its analogues with the lanthanoid being La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Tm, Yb are prepared from their lacunary precursor (I) in ∼50% yield.
ChemInform Abstract: Synthesis and Characterization of the New Soluble Selenide Anion Pt(Se4)2‐ 3.
Authors: ANSARI M. A. , IBERS J. A.
Published: May 2016

An attempt to synthesize (PPh4)2(Pt(Se5)3) by the procedure represented in the scheme results in the preparation of the tris(tetraselenido)platinate(2‐) (IV), for which there is no known sulfur analogue.
ChemInform Abstract: Reduction of Oxygen‐ and Sulfur‐Bonded (Thiocarbamato)pentaamminecobalt(III) Complexes by Chromium(II).
Authors: BALAHURA R. J. , JOHNSON M. , BLACK T.
Published: May 2016

Kinetic studies of the reduction of (I) and (II) show that the electron transfer in the S‐bonded complexes (I) is more facile.
ChemInform Abstract: ortho‐Specific Alkylation of Phenols via 1,3,2‐Benzodioxaborins.
Authors: LAU C. K. , WILLIAMS H. W. R. , TARDIFF S. , DUFRESNE C. , SCHEIGETZ J. , BELANGER P. C.
Published: May 2016

Reaction of phenol (I) with the aldehydes (II) in the presence of phenylboronic acid (III) gives the benzodioxaborins (IV), which can be reduced to the alkylphenols (V).
ChemInform Abstract: An Organometallic Analogue of the Wittig Reaction. A One‐Pot Reaction for C=C Bond Formation Catalyzed by a Molybdenum Complex.
Authors: LU X. , FANG H. , NI Z.
Published: May 2016

Treatment of the aldehydes (I) with ethyl diazoacetate (II) and triphenylphosphine in the presence of a molybdenum complex produces the 3‐substituted acrylates (III), together with the azines (IVc) and (IVe).
ChemInform Abstract: 1‐Ethyl‐2,4,5‐triacetylbenzene.
Authors: RIEMSCHNEIDER R. , BUCHLOW G. , WONS T.
Published: May 2016

The permanganate oxidation of the triethylacetylbenzene (I) in buffered solution does not lead to the desired tetraacetylbenzene but gives the title compound (II) together with the diethyldiacetylbenzenes (III) and (IV).
ChemInform Abstract: An Expeditious in situ Preparation of Benzyl (S)‐2‐Aziridinecarboxylate.
Authors: KUYL‐YEHESKIELY E. , DREEF‐TROMP C. M. , VAN DER MAREL G. A. , VAN BOOM J. H.
Published: May 2016

The title compound (II) is prepared under very mild conditions and in high yield starting from the serine ester (I), which undergoes smooth cyclodehydration on treatment with diethoxytriphenylphosphorane.
ChemInform Abstract: Preparation, Properties, and Crystal Structure of a 1,2,5‐Thiadiazolotetracyanoquinodimethane.
Authors: SUZUKI T. , YAMASHITA Y. , KABUTO C. , MIYASHI T.
Published: May 2016

Twofold coupling of 4,7‐dibromobenzothiadiazole (I) with the anion (II) of malononitrile and subsequent oxidation yield the thiadiazolotetracyanoquinodimethane (III) which forms highly conductive charge‐transfer complexes with tetrathiafulvalenes.
ChemInform Abstract: Synthesis of Benzo(ij)cycl(3.3.2)azines via a Palladium‐Mediated Cyclization Reaction.
Authors: PFEFFER M. , ROTTEVEEL M. A.
Published: May 2016

Treatment of the dimeric Pd complex (I) with one equivalent of dimethyl acetylenedicarboxylate (II) yields a derivative which is produced by alkyne insertion into the Pd‐C bonds of (I).
ChemInform Abstract: Indolizines: A Comparative Study of the Synthesis from Pyridinium Bromides and Iodides.
Authors: ANITHA I. , RAJAN P. K.
Published: May 2016

Coupling of α‐picoline (I) with the bromoacetophenones (II) or the corresponding acetophenones (V) in the presence of iodine leads to the formation of the picolinium bromides (III) or iodides (VI) which are cyclized upon heating in aqueous sodium bicarbonate solution to give the indolizines (IV).
ChemInform Abstract: Synthesis of 6‐(1,4,5,6‐Tetrahydro‐6‐oxo‐3‐pyridazinyl)‐2H‐1,4‐benzoxazin‐3(4H)ones as Possible Cardiotonic Agents.
Authors: SASTRY C. V. R. , RAO K. S. , KRISHNAN V. S. H. , RASTOGI K. , JAIN M. L. , VERMA R. K. , TRIPATHI R. M. , SINGH P. P. , RAO C. S. , KAUSHAL R.
Published: May 2016

The new title compounds (IV) are tested for their cardiotonic activity.
ChemInform Abstract: Polyannulated Tropylium Compounds Having Benzothiazine and Related Heterocyclic Rings. Formation of o‐ and p‐Benzoquinoid Products by Rearrangement.
Authors: NOZOE T. , SHINDO K. , WAKABAYASHI H. , ISHIKAWA S.
Published: May 2016

Anodic oxidation of the amines (III) and (VI) induces ring closure, forming the cycloheptabenzothiazine (IV) or the cyclohexadienylidenebenzothiazole (VII).
ChemInform Abstract: Boron‐Nitrogen Compounds. Part 121. Triazaboles and Related Triazole Derivatives of Boron.
Authors: NIEDENZU K. , WOODRUM K. R.
Published: May 2016

The reaction of Me3N→BH3 (I) with 1,2,4‐triazole (II) results in the formation of an oligomeric mixture of the composition (IIIa); species with n up to 6 can be identified by mass spectrometry.
ChemInform Abstract: Convergent Approach to Intermediates Used for the Synthesis of the Enediyne Structure of the Esperamicins and Calicheamicins.
Authors: KADOW J. F. , SAULNIER M. G. , TUN M. M. , LANGLEY D. R. , VYAS D. M.
Published: May 2016

Pd‐catalyzed coupling of the chloro enyne (I) with the propargylic ethers (II) gives the enediyne derivatives (III) which are desilylated and lithiated, forming the intermediates (IV).
ChemInform Abstract: The Use of Phosphoryldithioformates for the Synthesis of Ketene Dithioacetals.
Authors: BULPIN A. , MASSON S. , SENE A.
Published: May 2016

The phosphoryldithioformates (Ia), (Ib) and the related sulfine (Ic) are S‐alkylated or S‐arylated with the organometallic reagents (II) or (V), forming the dithioacetals (IV) or (VI) after acidic work‐up.
ChemInform Abstract: Organo‐Telluriums. Part 20. Aminotellurinylation of Olefins and Its Utilization for Synthesis of 2‐Oxazolidinones.
Authors: HU N. X. , ASO Y. , OTSUBO T. , OGURA F.
Published: May 2016

The benzenetellurinyl acetates or triflates (III), obtained by treatment of the tellurinic anhydride (I) with the anhydrides (II), react with the alkenes (IV) and (VIII) in the presence of the carbamate (V) to give regioselectively the aminotellurinylation products (VI), (VII), and (IX).
ChemInform Abstract: The First Macrocyclic Square‐Planar Cobalt(III) Complex Relieves Ring Strain by Forming a Nonplanar Amide.
Authors: COLLINS T. J. , UFFELMAN E. S.
Published: May 2016

The title complex crystallizes in P21/c with Z = 8. The ligand must rotate a CO group out of the CoN4 plane in order to reduce the ring strain.
ChemInform Abstract: Triple‐Decker Complexes. Part 12. Synthesis of New μ‐1,4‐Diboracyclohexadiene Triple‐Decker Complexes.
Authors: WOERNER K.‐F. + , SIEBERT W.
Published: May 2016

The diboracyclohexene (I) reacts with two equiv. of potassium metal to give its dianion which on treatment with allyl‐Ni bromide dimer (II) or cyclooctadiene‐ and bis(ethene)Rh chloride dimers affords the triple‐deckers (III), (IVa), and (IVb) (yield 32/23%), respectively.
ChemInform Abstract: Structure of Two Oxidation Products of β‐Lumicolchicine: A Remarkable Reaction with Active Manganese Dioxide.
Authors: BUDDRUS J. , DEFOIN A. , KRUEGER C. + , TSAY Y.‐H. , KUHN H. J.
Published: May 2016

Lumicolchicines arise from the action of light on Colchicum alkaloids.
ChemInform Abstract: A New Facile Synthesis of Uridylyl‐(5′‐3′)‐adenosine.
Authors: YADAVA V. S.
Published: May 2016

Uridine (I) reacts with the dialkylphosphinothioyl bromides (II) in pyridine to produce the trisphosphonylated uridines (III), together with traces of mono‐ and diesters.
ChemInform Abstract: Synthesis of Sulfonamide Analogs of the Pyrrolo(1,4)benzodiazepine Antibiotic Abbeymycin.
Authors: LANGLOIS N. , ANDRIAMIALISOA R. Z.
Published: May 2016

o‐Nitrobenzenesulfonyl chloride (I) is coupled with (S)‐prolinol (II) to give the sulfonamide (III).
ChemInform Abstract: Anodic Behavior of Amorphous Ni‐19P Alloys in Different Amorphous States.
Authors: HABAZAKI H. , DING S.‐Q. , KAWASHIMA A. , ASAMI K. , HASHIMOTO K. , INOUE A. , MASUMOTO T.
Published: May 2016

Potentiodynamic polarization curves measured in 1 N HCl for two amorphous Ni‐19P alloys, prepared by rapid quenching of a white heat melt and of a red heat melt, resp., are different from each other in the potential region of ‐300 to 400 mV (SCE).
ChemInform Abstract: Nucleophilic Attacks on Carbon‐Carbon Double Bonds. Part 37. Thiocyanate Ion Promoted E ⇌ Z Isomerization of α‐Bromo‐β,β‐Diactivated Electrophilic Olefins: An Apparent High Nucleofugality of NCS‐.
Authors: RAPPOPORT Z. , AVRAMOVITCH B. , KARNI M. , APELOIG Y.
Published: May 2016

The thiocyanate ion is shown to be capable of inducing nucleophilic E/Z isomerization of highly electrophilic chloro‐ and bromo‐olefins, which is faster than the vinylic substitution.
ChemInform Abstract: Redox Behavior of Copper(II) Tetrathia Macrocyclic Complexes.
Authors: PAVLISHCHUK V. V. , YATSIMIRSKII K. B. , STRIZHAK P. E. , LABUDA J.
Published: May 2016

The electrochemical redox properties of the complexes (I) are investigated.
ChemInform Abstract: Azo Bridges from Azine. Part 9. (2 + 2 + 1) Cycloadditions of Parallel C=C and N=N Bonds with Dihalocarbenes.
Authors: HUENIG S. + , SCHMITT M.
Published: May 2016

Reaction of the polycycles (I) with dichlorocarbene leads to the products (III) and (IV) of formal (2 + 2 + 1) cycloaddition, which are stable to ionization and hydrolysis according to Bredt's rule.
ChemInform Abstract: One‐Step Synthesis of N1‐(1‐Benzylisoquinolin‐3‐yl)phenylacetamidinium Trifluoromethanesulfonate Derivatives from Phenylacetonitriles and Trifluoromethanesulfonic Acid.
Authors: BOOTH B. L. , COLLIS A.
Published: May 2016

The cyclotrimerization reaction of phenylacetonitriles (substituted at C‐3 and/or C‐4 of the phenyl ring and, in part, at the α‐carbon of the side chain) with triflic acid (II) gives salts of type (III) (8 examples).
ChemInform Abstract: Cyclopentane Synthesis and Annulation. Part 2. Radical Cyclizations of Oxathiolanones.
Authors: YADAV V. , FALLIS A. G.
Published: May 2016

A radical cyclization method is described for the synthesis of cycloalkanols.
ChemInform Abstract: cis‐trans‐Isomerization of an α,α‐Difluoro Olefin Catalyzed by Bromine.
Authors: MASNYK M. , FRIED J.
Published: May 2016

The isomerization of the cis‐olefin (I) upon treatment with bromine in CCl4 yields the trans‐olefin (II), together with minor amounts of the bromine addition products (III) and (IV) and recovered (I).
ChemInform Abstract: Organomanganese(II) Reagents. Part 16. Copper‐Catalyzed 1,4‐Addition of Organomanganese Chlorides to Conjugated Enones.
Authors: CAHIEZ G. , ALAMI M.
Published: May 2016

The enones (I) and (VII) are alkylated with the organomanganese chlorides (II) in the presence of cuprous chloride to give the 3‐substituted saturated ketones (III) or (VIII).
ChemInform Abstract: Me3SiCl‐Promoted Conjugated Addition of Organocuprates to Base‐Sensitive Cyclic α‐(Nitroalkyl) Enones.
Authors: TAMURA R. , TAMAI S. , KATAYAMA H. , SUZUKI H.
Published: May 2016

The conjugate addition of the organocuprates (II) to the nitroalkylcycloalkenones (I) is mediated by the addition of trimethylsilyl chloride (III), yielding the nitroalkylsiloxycycloalkenes (IV).
ChemInform Abstract: An Anomalous Reaction of Dimethyloxosulfonium Methylide.
Authors: YURCHENKO A. G. , MELNIK N. N. , LIKHOTVORIK I. R.
Published: May 2016

The spiro‐fused oxirane (I) reacts with dimethyloxosulfonium methylide (II) to give the bis(methylene)tricyclodecanol (III) due to sigmatropic rearrangement processes.
ChemInform Abstract: Chlorosulfonation of N‐Benzyl Carboxamides.
Authors: CREMLYN R. , ELLIS L. , PINNEY A.
Published: May 2016

The benzenesulfonamides (VII) and (X) are prepared via the reaction mentioned in the title, followed by treatment of the sulfochlorides (V) and (IX) with the amino compounds (VI).
ChemInform Abstract: The First Isolation of an Episulfone Intermediate from a Ramberg‐Baecklund Reaction.
Authors: SUTHERLAND A. G. , TAYLOR R. J. K.
Published: May 2016

The thiopyranone (I) is converted to the benzyl α‐iodo sulfone (VIII) as outlined in the reaction scheme.
ChemInform Abstract: Effect of Anellation Isomerism on Optical Properties of Some Thionaphthene Derivatives. Part 3. 2‐Thionaphthenylsulfinylacetic Acids and Some of Their Derivatives.
Authors: JANCZEWSKI M. , JABLONSKA‐PIKUS T. , KURYS K. , SMALERA M.
Published: May 2016

The synthesis and principal properties of 2‐thionaphthenylthioacetic acid (IIIa) and ‐sulfinylacetic acid (IIIb) as well as some of their derivatives are described (yields in g).
ChemInform Abstract: Reaction of Substituted 2‐Imino‐3,3,3‐trifluoropropionic Acid Methyl Esters with Arylamines.
Authors: OSIPOV S. N. , CHKANIKOV N. D. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

Reaction of the acyl(sulfonyl)iminotrifluoropyruvates (IV) with the aromatic amines (V) or (VII) gives the geminal diamino compounds (VI) or the indolinones (VIII) depending on the steric demand of the amines.
ChemInform Abstract: Extended Scope of the Grignard Reaction of β‐Halo Acetals. Use of Acyclic Acetals.
Authors: GREINER A.
Published: May 2016

The Grignard agents (II), (VI), and (VIII), prepared from γ‐halo acetals, are coupled with the chloroacetophenone (I) to give β‐chlorohydrins such as (III) as the primary products, partly accompanied by the carbinol (IV) obtained by reduction of (I).
ChemInform Abstract: Synthesis of 2‐Hydroxyacetyl‐7‐acetylxanthone, a New Xanthone Derivative Endowed with Antianaphylactic, Analgesic, and Antiinflammatory Activities.
Authors: BIANCO A. , PASSACANTILLI P. , RIGHI G. , BRUFANI M. , CELLAI L. , MARCHI E. , MILANI M. R.
Published: May 2016

The key precursor (V) of the title compound (VI) is prepared by two methods outlined in the reaction scheme.
ChemInform Abstract: Reactions of Allene‐1,3‐dicarboxylic Esters. Part 8. Syntheses of 2‐Methoxycarbonylmethylene‐2H‐thiopyran‐3‐carboxylic Esters.
Authors: PULST M. , GREIF D. , WEISSENFELS M. , DOAD G. J. S. , SCHEINMANN F.
Published: May 2016

Reaction of the enamino ketones (I) with the allene dicarboxylate (II) gives rise to the thiopyran derivatives (III).
ChemInform Abstract: A Surprising Access to 1‐(Trifluoromethyl)isoquinolines, 4‐Hydroxy‐1‐(trifluoromethyl)isoquinolines, and 8a‐(Trifluoromethyl)cyclohepta‐(b)pyrroles from 5‐Fluoro‐4‐(trifluoromethyl)oxazoles.
Authors: BURGER K. , SCHIERLINGER C. , GAA K. , GEITH K. , SEWALD N. , MUELLER G. +
Published: May 2016

Thermolysis of 2‐phenyl‐4‐trifluoromethyl‐5‐benzyloxyoxazoles such as (I), (IV), and (VIII) yields rearrangement products such as the oxazolones (II), (V), and (VI) and decarboxylated or decarbonylated products such as the isoquinolines (III) and (VII) or the fused pyrrol (IX) depending on the nature of the benzyloxy substituent.
ChemInform Abstract: Pteridines. Part 90. Syntheses, Oxidations, Properties, and Reactions of 2‐Thiopteridine‐4,6,7‐trione Derivatives.
Authors: BARTKE M. , PFLEIDERER W.
Published: May 2016

Cyclocondensation of the 5,6‐diaminopyrimidines (I) with oxalic acid (II) or dimethyl oxalate (V) produces the 2‐thioxopteridine‐4,6,7‐triones (III) and (VI).
ChemInform Abstract: N‐Alkylation of Amines by Homogeneous Catalysis. Synthesis of Cyclic Mono‐ and Diamines.
Authors: BITSI G. , SCHLEIFFER E. , ANTONI F. , JENNER G.
Published: May 2016

Piperidine (I) reacts with the alcohols (II) in the presence of catalytic amounts of ruthenium trichloride to form the N‐alkylpiperidines (III).
ChemInform Abstract: Enantiospecific Synthesis of (R)‐(+)‐1‐Phenyl‐3‐methyl‐1,2,4,5‐tetrahydrobenz(d)azepine from (S)‐(+)‐N‐Methyl‐1‐phenylethanolamine (Halostachine) via Arenechromium Tricarbonyl Methodology.
Authors: COOTE S. J. , DAVIES S. G. , MIDDLEMISS D. , NAYLOR A.
Published: May 2016

Coupling of styrene oxide (II) with the phenethylamine (I) gives the amino alcohol (III) which is cyclized and reductively N‐methylated to give the racemic tetrahydrobenzazepine (±)‐(V).
ChemInform Abstract: Model Studies Directed Toward Microalga Polyether Macrolides: A Route to Oxygenated 2,5‐cis‐Tetrahydrofuran Subunits.
Authors: ALVAREZ E. , ZURITA D. , RUIZ‐PEREZ C. , RODRIGUEZ M. L. , MARTIN J. D.
Published: May 2016

The trans‐epoxide (IVa), derived from the decatrienol (III), is treated with iodine in the presence of tetrakis(isopropoxy)titanium to form the monocyclic iodohydrin (V) and the bridged tetrahydrofuran derivative (VI).
ChemInform Abstract: Photosilylation of Electron‐Deficient Alkenes by Use of Disilanes via Photo‐Induced Electron‐Transfer.
Authors: MIZUNO K. , NAKANISHI K. , CHOSA J. , NGUYEN T. , OTSUJI Y.
Published: May 2016

The activated olefins (I) and (V) are irradiated in the presence of hexamethyldisilane (II) and phenanthrene to give the saturated aducts (III) or (VI) and the hydrogenated products (IV) or (VII), together with the dimers (VIII).
ChemInform Abstract: Cyclic S‐N Compounds and Phosphorus Reagents. Part 6. Reactions of S4N4 with Symmetrical Tertiary Phosphines, R3P (R: t‐C4H9, c‐C6H11, C6H5CH2, p‐MeOC6H4 and p‐ClC6H4): Isolation and Characterization of Phosphinimino Substituted Cyclic Sulfur Nitrides.
Authors: ELIAS A. J. , RAO M. N. S.
Published: May 2016

The title reaction affords the corresponding phosphiniminocyclotrisulfurtrinitrides (III).
ChemInform Abstract: Reaction of Dicyclohexylborane with Dimethylaminomethylenephenylphosphine.
Authors: IONKIN A. S. , IGNAT'EVA S. N. , ERASTOV O. A. , ARBUZOV B. A. , EFREMOV YU. YA. , NEKHOROSHKOV V. M.
Published: May 2016

The phosphine (I) reacts with 1 equivalent dicyclohexylborane (II) to give dicyclohexyldimethylaminoborane (IV) after distillation.
ChemInform Abstract: Addition Reactions of Pyridinium and Related N‐Ylides with 1,3,2,4‐Dithiadiphosphetane 2,4‐Disulfides.
Authors: YOUSIF N. M.
Published: May 2016

Cyclocondensation of the pyridinium phenacylides (I) with Lawesson's reagent (II) produces a mixture of the 1,4,2‐thiazaphosphole derivatives (III) and the 1,3,2‐oxathiaphosphole betains (IV).
ChemInform Abstract: Studies of the Stability and Reactivity of Substituted Vinyltitanium Triisopropoxides.
Authors: BOECKMAN R. K. JUN. , O'CONNOR K. J.
Published: May 2016

Starting with cyclohexenyl bromide (Ia), the cyclohexenyltitanium triisopropoxide (Ic) is synthesized via the lithium compound (Ib).
ChemInform Abstract: Reactions of Coordinated Organosilanes: Cobalt Carbonyl Complexes of Ethynylhydrogenosilanes.
Authors: CORRIU R. J. P. , MOREAU J. J. E. , PRAET H.
Published: May 2016

The Co carbonyl complexes (III), (IV), and (V) of mono‐, di‐ and triethynylsilanes containing Si‐H bonds are obtained by reactions of the phenylethynylsilane (I) and (MeC≡C)3SiH with Co2(CO)8 (II) in corresponding ratio.
ChemInform Abstract: Novel Olefin Nickel(0) Complexes of the Methyl Derivatives of Methylenecyclopropane and Cyclopropene.
Authors: ISAEVA L. S. , PEGANOVA T. A. , PETROVSKII P. V. , KRAVTSOV D. N.
Published: May 2016

The interaction of the phosphine‐Ni(0) complexes (I) with an excess of the methyl derivatives of cyclopropene (II) and methylenecyclopropane (IV) results in the formation of the novel η2‐olefin complexes (III) and (Va).
ChemInform Abstract: Solid‐State Chemistry of Molecular Metal Oxide Clusters. Multiple, Sequential C‐H Activation Processes in the Hydrogenation of Coordinated Cyclooctene. Lattice Mobility of Small Organic Molecules.
Authors: SIEDLE A. R. , NEWMARK R. A. , SAHYUN M. R. V. , LYON P. A. , HUNT S. L. , SKARJUNE R. P.
Published: May 2016

Reaction of solid (I) with D2 gas produces cyclooctane containing up to 16 deuterium atoms.
ChemInform Abstract: Steroids. Part 346. Glycosylation of Steroids with Silver Silicate and 2‐Deoxy‐2‐fluoro‐α‐D‐glucopyranosyl Bromide Triacetate.
Authors: CERNY I. , NOVOTNY P. , DRASAR P. , HAVEL M. , PACAK J.
Published: May 2016

Glycosylation of the steroids (I) with the title glycosyl bromide (II) is efficiently accomplished using silver silicate as catalyst in the presence of molecular sieves.
ChemInform Abstract: Coupling Reactions of 1‐Tributylstannyl‐1‐octen‐3‐ol Catalyzed by Palladium: The Synthesis of PGB1 and Coriolic Acid.
Authors: STILLE J. K. , SWEET M. P.
Published: May 2016

The alkynyl ketone (I) is stereoselectively reduced and then coupled with tributyltin hydride (III) to form the chiral stannyloctenol (IV) mentioned in the title.
ChemInform Abstract: Synthesis and Pheromonal Properties of Z‐7,7‐Difluoro‐8‐dodecenyl Acetate, a Difluoro Derivative of the Sex Pheromone of the Oriental Fruit Moth.
Authors: MASNYK M. , FRIED J. , ROELOFS W.
Published: May 2016

The synthesis of the difluoro analog (VI) of the pheromone of the oriental fruit moth Grapholita molesta is described.
ChemInform Abstract: An Electron‐Diffraction Study of Gaseous Tetrasulfur Tetranitride, S4N4.
Authors: ALMOND M. J. , FORSYTH G. A. , RICE D. A. , DOWNS A. J. , JEFFERY T. L. , HAGEN K.
Published: May 2016

The S4N4 molecule (I) is found to have D2d symmetry with four N atoms at the corners of a square, bridging four of the six edges of an approximately tetrahedral S4 unit.
ChemInform Abstract: A Kinetic Study of the Formation of the Oxo Diperoxo Complex of Tungsten(VI) in Aqueous Perchloric Acid Solution
Authors: ISLAM M. A. , THOMPSON R. C.
Published: May 2016

is performed by stopped‐flow experiments.
ChemInform Abstract: Photoredox Reaction of Triazidomercurate(II). Generation of Stable Mercury Atoms Under Ambient Conditions.
Authors: KUNKELY H. , VOGLER A.
Published: May 2016

Upon ligand‐to‐metal charge‐transfer excitation of (I) by white or monochromatic light (254 nm), the evolution of N2 is observed.
ChemInform Abstract: Double Vanadates of Lead and Some Alkali Metals.
Authors: SIROTINKIN S. P. , OBOZNENKO YU. V. , NEVSKII N. N.
Published: May 2016

The novel title compounds (I) and (II) are prepared by solid‐phase reactions of stoichiometric mixtures of M2CO3 (M: Na, K, Rb), PbO and NH4VO3 at 600 °C. Single crystals of (Ia) and (IIa) are prepared and submitted to X‐ray analyses.
ChemInform Abstract: Mixed‐Metal (Cu/Ag) Halometallate(I) Clusters: Preparation and Crystal Structures of (P(C6H5)4)4(Ag2Cu2I8), (P(C6H5)4)4(Ag3CuI8) and (P(C6H5)4)2(AgCuBr4).
Authors: ANDERSSON S. , HELGESSON G. , JAGNER S. , OLSON S.
Published: May 2016

Single crystal XRD data measured at 290 K are reported for the title compounds (IV), (V), and (IX).
ChemInform Abstract: Structure of the Calcium Channel Antagonist, Nimodipine.
Authors: WANG S. D. , HERBETTE L. G. , RHODES D. G.
Published: May 2016

The dihydropyridine ring of the highly active title compound (I) (space group P212121 with Z=4) adopts an unexpected boat conformation.
ChemInform Abstract: Two Crystal Modification of Hexamethylcyclotristannatellurane.
Authors: BATCHELOR R. J. , EINSTEIN F. W. B. , JONES C. H. W.
Published: May 2016

The monoclinic form crystallizes in the space group P21/c with Z=4 and the tetragonal in I41/a with Z = 8. Attempts to convert the tetragonal phase to the monoclinic form by heating are unsuccessful.
ChemInform Abstract: Crystal Structures and Magnetic Properties of Bi‐ and Tetranuclear Copper (II) Complexes of 2,6‐Diformyl‐4‐methylphenol Di(benzoylhydrazone).
Authors: SAKAMOTO M. , ITOSE S. , ISHIMORI T. , MATSUMOTO N. , OKAWA H. , KIDA S.
Published: May 2016

The crystal structures of the two compounds (I) and (II), both crystallizing in the space group P1 with Z=2, are discussed in relation to their magnetic properties.
ChemInform Abstract: Cleavage of Thioacetals Promoted by Copper(II) Sulfate Adsorbed on Silica Gel.
Authors: CABALLERO G. M. , GROS E. G.
Published: May 2016

An efficient method for the cleavage of the thioacetal or hemithioacetal group of masked ketones such as (I), (III), (V), (VII) consists of their treatment with silica gel supported CuSO4 in refluxing organic solvents.
ChemInform Abstract: Direct Oxygenation of Enolates Generated by Anionic Oxy‐Cope Rearrangement. Expedient Preparation of Polycyclic α‐Hydroxy Ketones.
Authors: PAQUETTE L. A. , DERUSSY D. T. , PEGG N. A. , TAYLOR R. T. , ZYDOWSKY T. M.
Published: May 2016

Reaction of the ketones (I), (VI), and (XI) with vinylmetallic agents yields the allyl vinyl carbinols (III), (VIII), and (XIII) respectively.
ChemInform Abstract: Photoreactions of Polyhalobenzenes in Benzene. Formation of Terphenyls.
Authors: NAKADA M. , MIURA C. , NISHIYAMA H. , HIGASHI F. , MORI T. , HIROTA M. , ISHII T.
Published: May 2016

Dehalogenation and phenylation take place competitively in the photoreaction of polyhalobenzenes such as (I), (VII), and (XII).
ChemInform Abstract: Propyne Iminium Salts: Ambifunctional Reactivity Towards Sulfur and Nitrogen Nucleophiles.
Authors: MAAS G. , WUERTHWEIN E.‐U. + , SINGER B. , MAYER T. , KRAUSS D.
Published: May 2016

The propyne iminium ions (I) are studied by both ab initio (3‐21G//3‐21G for (Ia)) and MNDO calculations.
ChemInform Abstract: A New Synthesis of ortho‐Quinones by Transition‐Metal‐Mediated Oxygenation of Phenols with tert.‐Butylhydroperoxide and the Mimoun Oxodiperoxo Molybdenum Complex (Mo(O2)2O)·Py·HMPT.
Authors: KROHN K. , RIEGER H. , KHANBABAEE K.
Published: May 2016

A specific oxygenation of naphthols, anthracenols or donor‐substituted mononuclear phenols such as (I) or (III) to give the corresponding 1,2‐quinones (II) or (IV) is achieved using the title molybdenum complex or a combination of transition metal complexes such as Zr(acac)4 and tBu‐O‐OH.
ChemInform Abstract: Selective Reductions. Part 45. Asymmetric Reduction of Prochiral Ketones by Iso‐2‐methyl‐, Iso‐2‐ethyl‐, and (Iso‐2‐(2‐(benzyloxy)ethyl)apopinocampheyl)‐tert‐butylchloroboranes. Evidence for a Major Influence of the Steric Requirements of the 2‐Substituent on the Efficiency of Asymmetric Reduction.
Authors: BROWN H. C. , RAMACHANDRAN P. V.
Published: May 2016

The optically active boranes (III) and (V) are produced from the alkenes (I) and (IV) by reaction with tert‐butylborane (II) and subsequent treatment with hydrochloric acid.
ChemInform Abstract: Metal Hydride‐Promoted (1,3)Sigmatropic Rearrangement.
Authors: SUBRAMANIAN G. , RAMAKRISHNAN V. T. , RAJAGOPALAN K.
Published: May 2016

The bicyclic diones (I) react with lithium acetylide (II) to give the propargylic alcohols (III) which are partially hydrogenated, forming the allylic alcohols (IV).
ChemInform Abstract: Alkylation of Ethyl Trifluoroacetylacetate (TFAAE). General Method to Trifluoromethyl Ketones. Part 2. Indirect Alkylation of TFAAE.
Authors: AUBERT C. , BEGUE J.‐P. , CHARPENTIER‐MORIZE M. , NEE G. , LANGLOIS B.
Published: May 2016

Selective C‐alkylation of ethyl trifluoroacetoacetate (I) is achieved via protection of the keto group to give either the dioxolane (III) or the N,N‐dimethylhydrazone (V).
ChemInform Abstract: Simple Synthesis of α‐Methylene Esters and Amides from Methacrylic Derivatives via Tosylated Intermediates.
Authors: NAJERA C. , MANCHENO B. , YUS M.
Published: May 2016

Tandem iodosulfonylation/dehydroiodination of methyl methacrylate (Ib) or the corresponding N‐isopropylamide (Ia) gives the α‐methylene β‐tosyl carboxylic acid derivatives (III) which react with the organometallic agents (IV) to form the α‐methylene amides or esters (V).
ChemInform Abstract: Synthesis and Hypolipidemic and Antidiabetogenic Activities of β,β,β′,β′‐Tetrasubstituted, Long‐Chain Dioic Acids.
Authors: BAR‐TANA J. , BEN‐SHOSHAN S. , BLUM J. , MIGRON Y. , HERTZ R. , PILL J. , ROSE‐KHAN G. , WITTE E.‐C.
Published: May 2016

Various long‐chain β,β,β',β'‐tetrasubstituted dioic acids, e.g. (III), (VI), (VIII), and (X), are synthesized and evaluated for their hypolipidemic and antidiabetogenic activity in rats and mice.
ChemInform Abstract: Synthesis of Tetrathienoacene and Pentathienoacene: UV‐Spectral Trend in a Homologous Series of Thienoacenes.
Authors: MAZAKI Y. , KOBAYASHI K.
Published: May 2016

The thienothiophene (I) and the dithienothiophene (II) are of interest as conducting CT complexes and for the production of conducting polymers.
ChemInform Abstract: Secondary β‐Aminobenzamide and Heteroatom Directed Lithiation in the Synthesis of 5,6‐Dimethoxyanthranilamides and Related Compounds.
Authors: BENGTSSON S. , HOEGBERG T. +
Published: May 2016

The N‐protected aniline (I) is ortho‐lithiated and subsequently treated with carbon dioxide (II) to give the anthranilic acid (III).
ChemInform Abstract: Photochromic Fulgides from 1‐Methyl‐2‐formylindole.
Authors: GRISHIN I. YU. , PRZHIYALGOVSKAYA N. M. , CHUNAEV YU. M. , MANDZHIKOV V. F. , KURKOVSKAYA L. N. , SUVOROV N. N.
Published: May 2016

1‐Methyl‐2‐formylindole (I) reacts with the itaconic acid diesters (II) to give the fulgides (III) and /or (IV).
ChemInform Abstract: First Synthetic Routes to Diene Dienophile Educts in the 3‐Vinylindole Series.
Authors: ADAM R. , PINDUR U.
Published: May 2016

The indolylallyl alcohol (I) undergoes base‐induced coupling with the bromides (II) or (IV) to form the corresponding ethers (III) and (V) respectively.
ChemInform Abstract: Reaction of Novel Imide‐Reducing Reagents with Pyrrolizidinediones.
Authors: THOMAS E. W. , RYNBRANDT R. H. , ZIMMERMANN D. C. , BELL L. T. , MUCHMORE C. R. , YANKEE E. W.
Published: May 2016

Reduction of the bicyclic imides (I) in the presence or absence of methanethiol (II) yields the thioethers (III) or the hydroxy compounds (V).
ChemInform Abstract: Photooxidation of Some Di‐2‐benzothiazolylmethane Derivatives.
Authors: RAMOS M. T. , AVENDANO C. , ELGUERO J. , JIMENO M. L.
Published: May 2016

Solutions of (I), (IV) and (VII) are oxidized to give alcohols and/or ketones on exposure to sunlight.
ChemInform Abstract: Reaction of Sodium Diethylnitroxide with Fluorobenzenes, Pentafluoropyridine, and Halogenopyridines.
Authors: BANKS R. E. , JONDI W. , TIPPING A. E.
Published: May 2016

The title reaction of the chloronitropyridines (I), pentafluoropyridine (V), pentafluorobenzene (X), or octafluorotoluene (XII) with sodium diethylnitroxide (II) yields a mixture of substitution products as outlined in the reaction scheme.
ChemInform Abstract: Synthesis and Biological Activity of 3‐Substituted Imidazo(1,2‐a)pyridines as Antiulcer Agents.
Authors: STARRETT J. E. JUN. , MONTZKA T. A. , CROSSWELL A. R. , CAVANAGH R. L.
Published: May 2016

The imidazo(1,2‐a)pyridines (VIII), (X), and (XIII), prepared via coupling of the 2‐aminoethyl sulfides (VI) with the ethers (VII) or (IX) as shown in the reaction scheme, are tested as potential antisecretory and cytoprotective antiulcer agents.
ChemInform Abstract: Lead Tetraacetate Oxidation of Tetrahydrobenzazepine Enamides: The Synthesis of N‐Acyl Substituted Tetrahydro‐3‐benzazocin‐2(1H)‐ones. A Chemical and Crystallographic Study.
Authors: LESSOR R. A. , RAFALKO P. W. , LENZ G. R.
Published: May 2016

The enamides (II) and (V) are prepared from the dihydrobenzazepines (I) and (IV) and the corresponding anhydrides.
ChemInform Abstract: Oxidation of 3‐ or 4‐Substituted N,N‐Dimethylanilines with Molecular Oxygen in the Presence of Either FeCl3 or (Fe(salen))OAc.
Authors: MURATA S. , MIURA M. , NOMURA M.
Published: May 2016

Iron(III)‐catalyzed oxidation of the dimethylanilines (I) with oxygen yields the products (II) ‐ (VI) which are detected by GC and/or 1H NMR analysis.
ChemInform Abstract: A Simplified Synthesis of Dithiaphanes with an ortho‐ or meta‐Xylylene Unit.
Authors: KUS P.
Published: May 2016

Dithiaphanes of type (III)‐(V) are successfully synthesized by the procedure described in the scheme.
ChemInform Abstract: Synthesis, Geometrical Isomerism, and Crystal Structure of a Highly Hindered Disilene.
Authors: SHEPHERD B. D. , POWELL D. R. , WEST R.
Published: May 2016

The mixed‐substituent disilene (VII) with the sterically demanding adamantyl substituent is very resistant to air oxidation.
ChemInform Abstract: Chemistry of Phosphorus. Part 195. Pentaalkylcyclopentaphosphane Monoxides, (PR)5O (R: Me, Et) ‐ Preparation and Structure Determination by 31P NMR Spectroscopy.
Authors: BAUDLER M. , KOCH P. , HASENBACH J. , HAHN J.
Published: May 2016

The title compounds (I) and (II) are formed by reacting the corresponding pentaalkylcyclopentaphosphanes with dry atmospheric oxygen under proper conditions.
ChemInform Abstract: Preparation of Cyclophosphates, Cyclophosphatophosphonates, Diphosphonates, and Diphosphites in Urea Melts.
Authors: SCHUELKE U. + , KAYSER R. , NEUMANN P.
Published: May 2016

Ammonium cyclotriphosphate (NH4)3(P3O9), ammonium cyclotetraphosphate (NH4)4(P4O12), ammonium cyclotriphosphatophosphonates (I), ammonium organyldiphosphonates (II), and ammonium diphosphites such as (NH4)2H2P2O5 are prepared in high yields on heating acidic phosphates, phosphonates, and phosphites in urea or urea/ammonium nitrate melts.
ChemInform Abstract: Organo‐Arsenic Compounds with an As=N Bond. Part 17. Reaction of Arylarsonous Dichlorides with tert‐Butylamine.
Authors: KOKOREV G. I. , MUSIN R. Z. , BADRUTDINOV SH. KH. , KHALITOV F. G. , PLATONOV A. B. , YAMBUSHEV F. D.
Published: May 2016

The arsonous dichlorides (I) react with tert‐butylamine (II) to give the arsonamidous chlorides (III) and the diazadiarsetidines (IV).
ChemInform Abstract: Convenient Method of Synthesis of Organic Selenides.
Authors: RYKOWSKI Z. , SCZESNA E.
Published: May 2016

The reactions of 2,1,3‐benzoselenodiazole (I) with EtMgBr (IIa) in boiling ether, with BuMgBr (IIb) and PhMgBr (IIc) in dioxane at 50‐55 °C lead to the diselenides (III) in good yields.
ChemInform Abstract: Photo‐Induced Selenothio Esterification of Olefins: Radical Addition to Vinylsilanes.
Authors: TORU T. , SEKO T. , MAEKAWA E. , UENO Y.
Published: May 2016

Photolysis of the (selenothioperoxy)benzoate (I) with alkenes such as (II) leads regioselectively and in high yields to the addition products (III).