bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Fluorine‐Containing Amino Acids and Their Derivatives. Part 7. Synthesis and Antitumor Activity of α‐ and γ‐Substituted Methotrexate Analogues.
Authors: TSUSHIMA T. , KAWADA K. , ISHIHARA S. , UCHIDA N. , SHIRATORI O. , HIGAKI J. , HIRATA M.
Published: May 2016

Three types of reactions are proposed for the preparation of fluorine‐containing amino acids.
ChemInform Abstract: Electronic and Vibrational Structure of Transition Metal Trimers: Photoelectron Spectra of Ni‐ 3, Pd‐ 3, and Pt‐ 3.
Authors: ERVIN K. M. , HO J. , LINEBERGER W. C.
Published: May 2016

The title anions are prepared in a flowing afterglow ion source with a cold cathode dc discharge.
ChemInform Abstract: Thermal Stabilization of Transition Alumina by Structural Coherence with LnAlO3 (Ln: La, Pr, Nd).
Authors: OUDET F. , COURTINE P. , VEJUX A.
Published: May 2016

The interaction between lanthanoid oxides and alumina is studied by BET measurements, XRD, TEM, and UV/VIS spectroscopy.
ChemInform Abstract: Enantioselectivity of the Microsomal Epoxide Hydrolase: Hydrolysis of (.+‐.)‐cis‐3‐Bromo‐1,2‐epoxycyclohexane.
Authors: BELLUCCI G. , FERRETTI M. , LIPPI A. , MARIONI F.
Published: May 2016

The acid‐catalyzed and the rabbit microsomal EH catalyzed hydrolysis of (±)‐(I) are both completely regio‐ and stereospecific, giving (II).
ChemInform Abstract: Stereoselectivity in the Formation and Allylic Rearrangement of 8a‐Methyl‐ and 8a‐Ethyl‐1,2,3,4,4a,7,8,8a‐octahydronaphthalenyl Hydroperoxides.
Authors: AVILA D. V. , DAVIES A. G. , DAVISON I. G. E.
Published: May 2016

The octahydronaphthalenes (I) are subjected to singlet oxygen oxygenation and the various hydroperoxides (II)‐(V) which are formed are characterized.
ChemInform Abstract: Selenium Dioxide‐Catalyzed Conversion of Alcohols to Alkyl Chlorides by Chlorotrimethylsilane.
Authors: LEE J. G. , KANG K. K.
Published: May 2016

The alcohols (I) are converted into the corresponding alkyl chlorides (III) by the reaction with trimethylsilyl chloride (II) in the presence of 2‐3 mol% selenium dioxide.
ChemInform Abstract: New Classes of Zerovalent Titanium Carbonyls. First Structural Characterization of a Seven‐Coordinate Titanium Complex Containing Only Unidentate Ligands: Ti(CO)5(SnPh3)22‐.
Authors: CHI K. M. , FRERICHS S. R. , ELLIS J. E.
Published: May 2016

Consecutive reduction of the titanium tetrachloride complex (I), reaction with the tin and germanium salts (II) and carbonylation with carbon monoxide (III) yield complexes which are characterized as the tetraethylammonium salts (V).
ChemInform Abstract: Chemistry of Organo‐Transition‐Metal Compounds. Part 53. Synthesis and Properties of Manganese Tetravinyloxide, Mn(OCH=CH2)4·0.5 THF.
Authors: JACOB K. , THIELE K.‐H.
Published: May 2016

Tetrakis(norbornyl)‐Mn (I) reacts with boiling THF (II) forming ethylene, norbornane, and the Mn title complex (III) as the first Mn tetraalkoxide described.
ChemInform Abstract: Synthesis, Characterization, and Catalytic Activity of a Phosphinidine Stabilized Tethered Triruthenium Cluster.
Authors: ALEXIEV V. D. , BINSTED N. , COOK S. L. , EVANS J. , PRICE R. J. , CLAYDEN N. J. , DOBSON C. M. , SMITH D. J. , GREAVES G. N.
Published: May 2016

The synthesis of the triruthenium cluster (IVa) from the dodecacarbonyl (I) occurs according to the scheme.
ChemInform Abstract: Thermal and Photochemical Reactions of Dibromo(β,β′,β′′‐triaminotriethylamine)rhodium(III) and α‐ and β‐Aquobromo(β,β′,β′′‐triaminotriethylamine)rhodium(III) Cations in Acidic Aqueous Solution: Evidence for an Innocent‐Ligand Effect.
Authors: ARPEY C. J. , JACOBS S. E. , TERZAKIS C. , WILLIAMS A. , SHERIDAN P. S.
Published: May 2016

Ligand‐field photolysis of (I) in acidic aqueous solution causes Br‐ release and the formation of (III).
ChemInform Abstract: A Concise Route to the Calicheamicin‐Esperamicin Series: The Crystal Structure of a Core Subunit.
Authors: DANISHEFSKY S. J. , MANTLO N. B. , YAMASHITA D. S. , SCHULTE G.
Published: May 2016

With a view to investigations of the total synthesis and the medicinal chemistry of enediyne antibiotics such as calicheamicin or esperamicin, an extensively functionalized core ensemble is required.
ChemInform Abstract: Solubility and Decomposition Kinetics of Nitrous Acid in Aqueous Solution.
Authors: PARK J.‐Y. , LEE Y.‐N.
Published: May 2016

The Henry's law solubility of HNO2 in water and the kinetics of the reactions shown in the scheme are determined by monitoring the gas‐phase concentrations of NO and NO2 (high‐sensitive chemiluminescence NOx detector) as a function of time as purged from a bubbler‐type gas‐liquid reactor of known gas‐liquid mass‐transfer characteristics.
ChemInform Abstract: Surface Active Sites of V2O5‐WO3 Catalysts.
Authors: SATSUMA A. , HATTORI A. , MIZUTANI K. , FURUTA A. , MIYAMOTO A. , HATTORI T. , MURAKAMI Y.
Published: May 2016

V2O5‐WO3 catalysts are studied by SIMS, XRD, ESR, XPS, IR spectroscopy of adsorbed NH3, temp.‐programmed desorption of NH3, and the NO‐NH3 rectangular pulse (NARP) technique.
ChemInform Abstract: 59Co NMR of Cobalt(III) Porphyrin Complexes. Part 2. Electric Field Gradients, d‐Orbital Populations, and Hydrogen Bonding.
Authors: HAGEN K. I. , SCHWAB C. M. , EDWARDS J. O. , JONES J. G. , LAWLER R. G. , SWEIGART D. A.
Published: May 2016

The 59Co NMR spectra of (I) are reported in a number of solvents and at several field strengths.
ChemInform Abstract: 3,4‐Didehydropyridine Plus Cyclopentadiene: (2 + 2) or (4 + 2)‐Cycloaddition?
Authors: REINECKE M. G. , BROWN E. S. , CAPEHART B. P. , MINTER D. E. , FREEMAN R. K.
Published: May 2016

According to complete 1H and 13C NMR assignments the didehydropyridine (I) and cyclopentadiene (II) yield the (4 + 2)‐cycloadduct (III) rather than the (2 + 2)‐adducts (IV) and/or (V) proposed in the literature.
ChemInform Abstract: Oxidative Ring Expansion of 1‐(tert.‐Butylamino)indolines (I) to 1,4‐Dihydrocinnolines. Novel Neophyl Rearrangement of Hydrazyl Radicals.
Authors: WANG S. F. , MATHEW L. , WARKENTIN J.
Published: May 2016

Degassed solutions of (I) are stable indefinitely (20 °C, CDCl3).
ChemInform Abstract: The Catalytic Effect of Cationic Amino Micelles on the Hydrolysis of Substituted Phenyl Esters.
Authors: RAV‐ACHA CH. , RINGEL I. , SAREL S. , KATZHENDLER J.
Published: May 2016

The catalytic effects of the two cationic micelles (cat.) on the hydrolysis of esters (I) and (IV) are determined.
ChemInform Abstract: Photocyclization of o‐Phenoxybenzyl Alcohols in Aqueous Solution. A Simple Synthesis of 6H‐Dibenzo(b,d)pyrans.
Authors: WAN P. , HUANG C.‐G.
Published: May 2016

Irradiation of the o‐phenoxybenzyl alcohols (I) and (VI) in aqueous solution results in cyclization, producing the 6H‐dibenzo(b,d)pyrans (II) and (VII) as the main products.
ChemInform Abstract: Synthesis, Configuration, and Evaluation of Two Conformationally Restrained Analogues of Phencyclidine.
Authors: DE COSTA B. R. , GEORGE C. , BURKE T. R. JUN. , RAFFERTY M. F. , CONTRERAS P. C. , MICK S. J. , JACOBSON A. E. , RICE K. C.
Published: May 2016

Oxidation of the bicyclic hexanol (I) yields the ketone (II) which is treated with phenyllithium (III) to give the carbinol (IV).
ChemInform Abstract: Lithium Redox‐Responsive Ferrocene Bis‐Tertiary Amide Derivatives.
Authors: BEER P. D. , SIKANYIKA H. , BLACKBURN C. , MCALEER J. F.
Published: May 2016

The ferrocenedicarboxylic acid dichloride (I) reacts with the amines (II) to form the amides (III).
ChemInform Abstract: Square Wave Voltammetry for the Determination of Kinetic Parameters. The Reduction of Zinc(II) at Mercury Electrodes.
Authors: GO W. S. , O'DEA J. J. , OSTERYOUNG J.
Published: May 2016

Results of further evaluation of the performance of the combination of square wave voltammetry and the COOL (Chernoff‐O'Dea‐Osteryoung‐Lane) algorithm are presented.
ChemInform Abstract: A Peculiar Conformation of Normal‐Chain Dicarboxylic Acid Salts in Aqueous Solutions.
Authors: FUKUSHIMA K. , ADACHI K. , WATANABE K.
Published: May 2016

The Raman spectra of adipic acid, pimelic acid and their salts in aqueous NaOH solutions are found to be very different from those in organic solvents.
ChemInform Abstract: Diacetylenic Hydroxamic Acids.
Authors: RADCHENKO O. A. , LOGINOVA N. A. , IL'CHENKO A. YA.
Published: May 2016

The preparation of the title compounds (IV) is described.
ChemInform Abstract: Reaction of Phenol with 1‐Hydroxyadamantane in the Presence of Aluminum Diphenyldithiophosphate.
Authors: KOSHCHII V. A. , KOZLIKOVSKII YA. B. , YURCHENKO A. G.
Published: May 2016

The reaction between phenol (I) and adamantan‐1‐ol (II), which is catalyzed by aluminum diphenyldithiophosphate, affords 2‐(1‐adamantyl)phenol (III) as the main product along with the para isomer, di‐ and triadamantyl analogues and the O‐adamantyl derivative.
ChemInform Abstract: Reactions of Phosphorus Ylides with S8 or Se in the Presence of Amines. Formation of Thioaldehydes or Selenoaldehydes.
Authors: OKUMA K. , KOMIYA Y. , OHTA H.
Published: May 2016

The phosphorus ylids (I) are treated with elemental sulfur (II), forming the intermediate thioaldehydes (III) which react with morpholine (IV) to produce the thioamides (V).
ChemInform Abstract: Naphtho(2,1‐b)thiophene‐Linked 1,2‐Dithia‐5,8‐diazacyclodecanes and Imidazolidino(1,2‐d)dithiazepines: Synthesis, Structure Proof by X‐Ray Diffraction Analysis, and DNA Binding Properties.
Authors: SONDHI S. M. , KOLODZIEJCZYK P. , BALL R. G. , LOWN J. W.
Published: May 2016

The esterification of the naphthothiophenecarboxylic acid (II) with the hydroxymethyl compounds (I) or (VII) is achieved in the presence of carbonyldiimidazole.
ChemInform Abstract: Counterattack Reagent Hexamethyldisilane in the Direct Conversion of Aldehydes, Ketones, and Allyl Alcohols to Allyltrimethylsilanes.
Authors: HWU J. R. , LIN L. C. , LIAW B. R.
Published: May 2016

The title compound (IV) is an efficient reagent in the reactions of alcohols such as (I), (V), (VI) or carbonyl compounds such as (IX) or (XIII) shown in the scheme leading to allyltrimethylsilanes, e.g. (II)/(III), (VII), (XI)/(XII), (XV)/(XVI).
ChemInform Abstract: The Preparation of 7α‐ and 7β‐Allylestradiol and an Unusual Titanium(IV) Chloride Mediated Dimerization.
Authors: KIRK D. N. , MILLER B. W.
Published: May 2016

Allylation of the dienone (I) by various methods leads to the products (III)‐(V).
ChemInform Abstract: Activated Nitriles in Heterocyclic Synthesis. Part 6. Novel Synthesis of Thiadiazolo(2,3‐a)pyridine Derivatives.
Authors: SOWELLUM S. Z. A. , KHODEIR M. N. M. , EL‐AMIN S. M. , ELAGAMEY A. A.
Published: May 2016

Reaction of the 2‐cyanomethylthiadiazole (I) with the cinnamonitriles (II) yields the thiadiazolopyridines (III).
ChemInform Abstract: Defined Dimensional Alterations in Enzyme Substrates. Birch Reduction of lin‐Benzopurines. A Contribution to Information Concerning the Binding Sites of Adenosine Deaminase and Xanthine Oxidase.
Authors: LEONARD N. J. , PETRIC A. , RYKOWSKI A.
Published: May 2016

The lin‐benzopurine derivatives (I) and (IX) are subjected to Birch reduction, yielding the deoxygenated product (II) and/or the hydrogenated derivatives (III).
ChemInform Abstract: Transition Metal Dienyls in Organic Synthesis. Dienyl Transfer Reactions from Zirconium to Phosphorus and to Boron.
Authors: FRYZUK M. D. , BATES G. S. , STONE C.
Published: May 2016

Reaction of the dienylzirconocenes (I) with the chlorophosphines (II) or the bromoborane (IV) yields the corresponding dienylphosphines (III) or the dienylboranes (V) respectively.
ChemInform Abstract: Synthesis of Some Compounds Containing the Selenocarbonyl Group by Using Viehe′s Salt/Sodium Hydrogen Selenide: An Approach to Cyclic Selenocarbonates in the Monosaccharide Series.
Authors: COPELAND C. M. , GHOSH J. , MCADAM D. P. , SKELTON B. W. , STICK R. V. , WHITE A. H.
Published: May 2016

Several selenothiocarbamates, e.g. (III), selenodithiocarbonates, e.g. (VII), selenothiocarbonates, e.g. (X), cyclic selenocarbonates, e.g. (XII), and selenoureas, e.g. (XVIII) are prepared from appropriate starting compounds such as (I), (VI), (IX), (XI), or (XVII).
ChemInform Abstract: Binuclear Pentamethylcyclopentadienylvanadium Complexes Containing Chalcogen Bridges.
Authors: HERBERHOLD M. , KUHNLEIN M.
Published: May 2016

Heating of (I) with sulfur (IIa) under argon in toluene gives a mixture of the binuclear complexes (IIIa), (IVa), and (Va).
ChemInform Abstract: Stepwise Metal‐Assisted Conversion of η2‐CSe2 to η1‐Se2CPEt3, η2‐Se2CO, and η2‐Se2. Crystal Structures of the Complexes ((triphos)Rh(Se2CO))BPh4·0.5 CH2Cl2·0.5 C4H9OH and ((triphos)Rh(μ‐Se2)2Rh(triphos))(BPh4)2·2 DMF (triphos: MeC(CH2PPh2)3).
Authors: BIANCHINI C. , MASI D. , MEALLI C. , MELI A. , SABAT M. , VIZZA F.
Published: May 2016

The stepwise conversion of the η2‐CSe2 ligand in the Rh complex (I) occurs as shown in the scheme.
ChemInform Abstract: A Synthesis of New 3‐Dialkoxyphosphorylmethyl and 3‐Dihydroxyphosphorylmethyl Cephalosporins.
Authors: NISHIDE K. , YAMAMURA M. , KOBORI T. , TUNEMOTO D. , KONDO K. , SATO K.
Published: May 2016

The aminocephem (II), prepared in three steps from the chloro carboxamide (I), is coupled with the Z‐α‐methylenethiazolylacetic acids (III) to give the carboxamides (IV).
ChemInform Abstract: Photoelectrochemical Water Splitting by Tandem Type and Heterojunction Amorphous Silicon Electrodes.
Authors: SAKAI Y. , SUGAHARA S. , MATSUMURA M. , NAKATO Y. , TSUBOMURA H.
Published: May 2016

The tandem type hydrogenated a‐Si electrode having an (n‐i‐p‐n‐i‐p) structure and a similar a‐Si electrode with (n‐i‐p‐n‐i‐p‐n) layers deposited on p‐type crystalline Si exhibit cathodic photocurrents accompanied by H2 evolution starting at 1.67 and 2.08 V, resp., more positive than the thermodynamic hydrogen evolution potential in a H2SO4 solution.
ChemInform Abstract: Radicals Formed by UV Irradiation of Substituted 4‐Chlorophenols.
Authors: EVANS J. C. , ROWLANDS C. C. , TURKSON L. A. , BARRATT M. D.
Published: May 2016

The formation of the radicals (II) is studied by ESR.
ChemInform Abstract: Synthesis of Some New (1R)‐cis‐Pyrethroids from (+)‐3‐Carene.
Authors: MITRA R. B. , KULKARNI G. H. , MULJIANI Z. , KHANNA P. N.
Published: May 2016

The key intermediate (IV) in the synthesis of various pyrethroid derivatives, e.g. (VIII) or (XI), is prepared from the known aldehyde (II) by ozonolysis and subsequent Jones oxidation.
ChemInform Abstract: Cycloadditions. Part 38. Formation of Functionalized Cyclic Ethers by Intramolecular Nitrile Oxide Cycloadditions.
Authors: PADWA A. , CHIACCHIO U. , DEAN D. C. , SCHOFFSTALL A. M. , HASSNER A. , MURTHY K. S. K.
Published: May 2016

Desilylation of the O‐silyl oximes (I) in the presence of allyl alcohol (II) yields the allyloxy oximes (III) which undergo oxidative cyclization via intramolecular nitrile oxide cycloaddition reaction, forming the fused isoxazolines (IV).
ChemInform Abstract: Synthesis of 3‐Aryl‐6H‐isoxazolo(3,4‐d)pyrazolo(3,4‐b)pyridines and 3‐Aryl‐6H‐isoxazolo(4,5‐d)pyrazolo(3,4‐b)pyridines.
Authors: SHUTSKE G. M. , HUGER F. P.
Published: May 2016

The aroylchloropyrazolopyridines (III) are prepared by reaction of the acid chlorides (I) with the aryl Grignard compounds (II) and are hydrolyzed subsequently to form the hydroxy compounds (IV).
ChemInform Abstract: Two Regiocomplementary Approaches to Angular Furanocoumarins with Chromium Carbene Complexes: Synthesis of Sphondin, Thiosphondin, Heratomin, and Angelicin.
Authors: WULFF W. D. , MCCALLUM J. S. , KUNNG F.‐A.
Published: May 2016

The reaction between the chromium complex (I) and the alkyne (II) can be used as starting step in the synthesis of sphondin (IV).
ChemInform Abstract: Palladium Mediated Formation of δ1‐ and δ2‐Carbapenems by Cyclofunctionalization of 4‐Allenylazetidinones and 4‐(2‐Propylnyl)azetidinones.
Authors: PRASAD J. S. , LIEBESKIND L. S.
Published: May 2016

The azetidinone (I) is coupled with the alkynyltrimethylsilane (II) in the presence of trimethylsilyl triflate to give the allenylazetidinone (III) which is cyclized with the activated olefins (IV), forming the carbapenems (V).
ChemInform Abstract: An Improved Synthesis of 4‐Cycloheptene‐1‐carboxylic Acid.
Authors: MARQUARDT D. J. , NEWCOMB M.
Published: May 2016

The enamine (III), derived from cyclopentanone (I), reacts with acrolein (IV) to produce the bicyclic amino ketone (V).
ChemInform Abstract: Synthesis of Isothioamides of the Type Alk‐C(SAr)=NAr by Radicalic Arylation of Thioamides.
Authors: BRAGINA I. O. , KANDROR I. I.
Published: May 2016

Radicalic arylation of the thioamides (I) with the benzene diazonium salts (II) in the presence of ferrocene produces the title compounds (III).
ChemInform Abstract: Stereo‐ and Regioselective Formation of Silyl Enol Ethers via Oxidation of Vinyl Anions.
Authors: DAVIS F. A. , LAL G. S. , WEI J.
Published: May 2016

Vinylic bromides such as (I), (VI), or (IX) are lithiated and then siloxylated to form the silyl vinyl ethers such as (V), (VIII), or (X).
ChemInform Abstract: Structure, Dynamic NMR Study, and Magnetic Properties of the Two Novel Chains (Cu(paphy)X)(PF6)·H2O (paphy: Pyridine‐2‐carboxaldehyde 2‐Pyridylhydrazone; X: Cl, Br). Synthetic Strategy of One‐Dimensional Systems of Copper(II).
Authors: ROJO T. , MESA J. L. , ARRIORTUA M. I. , SAVARIAULT J. M. , GALY J. , VILLENEUVE G. , BELTRAN D.
Published: May 2016

The new one‐dimensional systems (II) with rigid planar ligands are synthesized from the monomeric complexes (I) as shown by metathetic reaction.
ChemInform Abstract: Silver‐Mediated Cyclizations of 4‐Allenyl‐ and 4‐(2‐Propynyl)azetidinones. A Stereoselective Synthesis of 3‐Substituted δ1‐Carbapenems via N‐C3 Closure.
Authors: PRASAD J. S. , LIEBESKIND L. S.
Published: May 2016

The allenylazetidinones (I) are cyclized in the presence of silver ions to give the carbapenems (II).
ChemInform Abstract: Metal Chloride Equilibria. Part 1. Zinc(II) Chloride Complexes.
Authors: FERRI D. , SALVATORE F.
Published: May 2016

The complex formation between Zn2+ and Cl‐ ions is investigated at 25 °C in 5 m NaClO4 ionic medium by EMF measurements using a cell without junction.
ChemInform Abstract: Slow Electron Transfer Between Main‐Group Species: Oxidation of Nitrite by Chlorine Dioxide.
Authors: STANBURY D. M. , MARTINEZ R. , TSENG E. , MILLER C. E.
Published: May 2016

ClO2 reacts with excess NO2‐ in aqueous media to yield ClO2‐ and NO3‐.
ChemInform Abstract: Reactions of Silicon‐Based Ceramics in Mixed Oxidation Chlorination Environments.
Authors: MARRA J. E. , KREIDLER E. R. , JACOBSON N. S. , FOX D. S.
Published: May 2016

The reactions of pure Si, SiO2, Si3N4, and several types of SiC ceramics with 2% Cl2/Ar and 1% Cl2/1‐20% O2/Ar gas mixtures at 950 °C are studied (TG, high‐pressure MS).
ChemInform Abstract: Formation and Transformation of Cubic ZrO2 Solid Solutions in the System ZrO2‐Al2O3.
Authors: YAMAGUCHI O. , SHIRAI M. , YOSHINAKA M.
Published: May 2016

It is shown that cubic ZrO2 solid solutions containing up to 40 mol% Al2O3 can be prepared at low temp. from amorphous materials prepared by simultaneous hydrolysis of Zr(OiPr)4 and Al(OiPr)3.
ChemInform Abstract: Selective C‐Alkylation of Phenol with Methanol Over Zeolites and γ‐Alumina.
Authors: BELTRAME P. , BELTRAME P. L. , CARNITI P. , CASTELLI A. , ZURETTI G.
Published: May 2016

The reaction of phenol with MeOH is carried out over zeolites HRENaY, HNaY, and HY, and over γ‐Al2O3 in the temp.‐range 250‐450 °C, in a fixed‐bed continuous tubular reactor.
ChemInform Abstract: An EPR/ENDOR Study of Aminoxyls (Nitroxides) Capable of Intramolecular Bonding: Hydroxyalkyl Radical Spin Adducts of Nitrones.
Authors: HAIRE D. L. , KOTAKE Y. , JANZEN E. G.
Published: May 2016

Methods are presented to better characterize some carbon‐centered adducts such as (III) and (V) of nitrones (I) and (IV) (hydroxyalkyl vs.
ChemInform Abstract: Enantiomerically Pure Building Blocks from Sugars. Part 8. Convenient One‐Pot Conversion of Alcohols into Esters via Hemiacetal Intermediates.
Authors: LICHTENTHALER F. W. , JARGLIS P. , LORENZ K.
Published: May 2016

The primary alcohols (I) are converted to the aldehydes (II) by Swern oxidation.
ChemInform Abstract: Water‐Promoted Organic Reactions. Aldol Reaction of Silyl Enol Ethers with Carbonyl Compounds Under Atmospheric Pressure and Neutral Conditions.
Authors: LUBINEAU A. , MEYER E.
Published: May 2016

As a consequence of the hydrophobic effect, the reaction between silyl enol ethers and aldehydes, e.g. between (I) and (II), is shown to proceed without a catalyst under neutral aqueous conditions by method A) to give the crossed‐aldol products syn‐(III) and anti‐(IV) with syn‐selectivity, as in the known method B) under pressure, and the reverse of the selectivity observed with method C) under acid catalysis.
ChemInform Abstract: 2‐Benzopyrylium Salts. Part 37. Oxygen Analogues of Reissert Compounds: Molecular Structure and Reactions with Sodium Hydroxide.
Authors: SHCHERBAKOVA I. V. , KUZNETSOV E. V. , YUDILEVICH I. A. , KOMPAN O. E. , BALABAN A. T. , ABOLIN A. H. , POLYAKOV A. V. , STRUCHKOV Y. T.
Published: May 2016

The reaction of six 1‐cyanoisochromenes (I), (III), (V), and (Xa) and two benzopyrylium precursors with NaOH is studied with respect to the different reaction pathways caused by different substitution and leading to different products.
ChemInform Abstract: Nonsteroidal Antiinflammatory Agents. Part 4. Rearrangement Reactions of Heterocycles. Part 11. Ketenoid Rearrangement and Oxidation of 2‐Pyrones to 1,4‐Naphthoquinone‐5‐alkanoic Acids.
Authors: KAPPE T. , WILDPANNER H.
Published: May 2016

The condensation of the ketones (I) and (IV) with the malonate (II) yields the fused pyrones (III) and (V), respectively.
ChemInform Abstract: Photoinduced Molecular Transformations. Part 97. A Reinvestigation of a Sensitized Photochemical Cycloaddition of Coumarin with Cyclopentene.
Authors: SUGINOME H. , KOBAYASHI K.
Published: May 2016

The title reaction leads to the (2 + 2)photocycloadducts (III) and the coumarin dimer (IV).
ChemInform Abstract: Formation of 1,3‐Dioxole from the Copper Bronze‐Catalyzed Thermolysis of Methyl Diazoacetate in the Presence of a Keto Olefin.
Authors: JOSHI G. S. , KULKARNI G. H. , SHAPIRO E. A.
Published: May 2016

Thermal decomposition of methyl diazoacetate (II) in the presence of a Cu‐bronze catalyst and the ketone (I) gives a mixture of the cyclopropanecarboxylates (III) and the 1,3‐dioxole derivative (IV).
ChemInform Abstract: 2‐Hydroxy Ketones. Part 20. New Mannich‐Werner Bases of 7‐Hydroxy‐4‐methyl‐6‐ and ‐8‐propionylcoumarin.
Authors: CASCAVAL A. , BIBIAN S. C.
Published: May 2016

Fries‐rearrangement of the 7‐propionyloxycoumarin (I) gives the two regioisomeric hydroxypropionyl derivatives (II) and (III).
ChemInform Abstract: Reactions of Thionyl Chloride with C‐Methyl Heterocycles. Part 1. The Formation of Dichloro(2‐quinolyl)methanesulfenyl Chlorides from 2‐Methylquinolines.
Authors: AL‐SHAAR A. H. M. , GILMOUR D. W. , LYTHGOE D. J. , MCCLENAGHAN I. , RAMSDEN C. A.
Published: May 2016

Hot thionyl chloride (II) converts the 2‐methylquinolines (I) into the dichloromethanesulfenylchlorides (III).
ChemInform Abstract: Synthesis of Some Derivatives of 1‐Ethyl‐6‐fluoro‐1,4‐dihydro‐4‐oxo‐7‐(piperazin‐1‐yl)‐3‐quinolinecarboxylic Acid (Norfloxacin) as Potential Antibacterial Agents.
Authors: PAPPALARDO M. , OMODEI‐SALE A. , ZANUSO G.
Published: May 2016

The synthesis of a number of fluoroquinolones structurally related to norfloxacin (XII) is described as shown in the reaction schemes.
ChemInform Abstract: Preparation of Carbodiimides by a Phase‐Transfer Catalytic Method.
Authors: JASZAY Z. M. , PETNEHAZY Z. , TOEKE L. + , SZAJANI B.
Published: May 2016

Dehydration of the ureas (I) with tosyl chloride under phase‐transfer conditions yields the carbodiimides (II) which are in general identified as their quaternary salts, e.g. (IV).
ChemInform Abstract: Synthesis and Antiblastic Activity of Organo‐Silicon Derivatives of Quinoline, Isoquinoline, and N‐Methylpiperazine.
Authors: LUKEVITS E. , LAPINA T. V. , SEGAL I. D. , AUGUSTANE I. S. , VEROVSKII V. N.
Published: May 2016

The aminoquinoline (I) is coupled with the silylbutyryl chloride (II) to give the amidoquinoline (III).
ChemInform Abstract: Convenient Synthesis of Diallyl Phenylphosphonate.
Authors: RASKINA A. D. , INSHAKOVA V. T. , MOTSAREV G. V.
Published: May 2016

The title compound (III) is prepared by a modified procedure which affords the desired product in near to quantitative yield.
ChemInform Abstract: Organic Chemistry in Water. Part 2. Nucleophilic Addition of Water‐Soluble Phosphines on Activated Olefins.
Authors: LARPENT C. , PATIN H.
Published: May 2016

The triphenylphosphine trisulfonate (I) reacts in D2O with the unsaturated acids (II) to yield the hydrosoluble phosphonium salts (III), which may serve as precursors of the water‐soluble deuterated phosphine oxides (IV).
ChemInform Abstract: Lithium Diselenide in Aprotic Medium ‐ a Convenient Reagent for Synthesis of Organic Diselenides.
Authors: SYPER L. , MLOCHOWSKI J.
Published: May 2016

The reduction of Se with Li in THF in the presence of diphenylacetylene as a catalyst affords the title compound (III) which reacts with a variety of electrophiles, e.g. (IV), (VI), (VIII), (X), (XIII) or (XV), to give the various diselenides shown in the scheme.
ChemInform Abstract: η3‐ and η7‐Cycloheptatrienyltungsten Chemistry: Synthesis of (W(η5‐C7H9)(η3‐C7H7)(PMe3)2) and (W(η‐C7H7)(η3‐C7H11)(PMe3)).
Authors: GREEN M. L. H. , SIRIWARDENE D. K. , O'HARE D. , WONG L.‐L.
Published: May 2016

The reaction of (I) with cycloheptatriene is outlined in the scheme.
ChemInform Abstract: Studies on Olefin‐Coordinating Transition Metal Carbene Complexes. Part 12. Novel Synthesis and Structural Characterization of (η6‐Arene)dicarbonyliron Complexes, and Their Oxidation Products.
Authors: CHEN J. , YIN J. , FAN Z. , XU W.
Published: May 2016

The η6‐arene complexes (IV) and (VII) are prepared by the novel reaction of the olefin complex (I) with the aryllithium compounds (II), followed by alkylation.
ChemInform Abstract: A Short‐Step Synthetic Approach to Eudesmane Skeleton. A Synthesis of (.+‐.)‐β‐Eudesmol and Related Eudesmane Sesquiterpenes.
Authors: KAWAMATA T. , HARIMAYA K. , INAYAMA S.
Published: May 2016

The ketone (I) is transformed to the esters (IX) via an intramolecular condensation reaction.
ChemInform Abstract: Synthesis of Aminodideoxy‐DL‐pentopyranoses and Their Ureido Derivatives.
Authors: GROUILLER A. , NONGA B. , NAVARRO M.‐L. , MOLIERE P. , PACHECO H.
Published: May 2016

Starting with 2‐methoxy‐5,6‐dihydro‐2H‐pyran (I), various 4‐deoxypentopyranoses aminated at position 1, e.g. (VIII), or aminated at position 3 such as (XII), and corresponding ureas, e.g. (X) and (XIII), are prepared as shown in the reaction scheme.
ChemInform Abstract: Chemistry of 6H‐Pyrido(4,3‐b)carbazoles. Part 12. Synthesis of Potential Bisintercalating Drugs Bearing Two Ellipticine Units.
Authors: RATCLIFFE A. J. , SAINSBURY M. , SMITH A. D. , SCOPES D. I. C.
Published: May 2016

The bisellipticines (VIII) are synthesized in an attempt to increase the potency of the parent tetracycles as anti‐cancer drugs through bis‐intercalation into the same strand of DNA.
ChemInform Abstract: In situ Reaction of B2O3 with AlN and/or Si3N4 to Form BN‐Toughened Composites.
Authors: COBLENZ W. S. , LEWIS D. III
Published: May 2016

It is shown that the in situ reaction of B2O3 with AlN and/or Si3N4 produces BN particulate‐toughened ceramic composites with nearly isotropic microstructure with well‐dispersed, randomly oriented BN flakes in a matrix of various oxide and nitride ceramics.
ChemInform Abstract: Photocurrent Oscillations in the CdTe/Electrolyte Systems.
Authors: MARCU V. , TENNE R.
Published: May 2016

n‐CdTe electrodes immersed in a Cs2S solution show photocurrent oscillations with a period of about 1 Hz.
ChemInform Abstract: Thermodynamic Properties of Molten Na‐Te Solutions
Authors: PETRIC A. , PELTON A. D. , SABOUNGI M.‐L.
Published: May 2016

are studied over the range 0‐52 at.% Na at temp. in the range 573‐873 K by EMF measurements of alloy concentration cells.
ChemInform Abstract: Oxidation of Small Boron Agglomerates: Formation of and Chemiluminescent Emission from BBO.
Authors: DEVORE T. C. , WOODWARD J. R. , GOLE J. L.
Published: May 2016

A source configuration that lies intermediate to a low‐pressure effusing molecular beam and a high‐pressure flow device is used to generate boron cluster molecules in a highly oxidizing environment.
ChemInform Abstract: 6‐Methylenebicyclo(3.3.0)octan‐2‐ones by Nickel(0)‐Catalyzed (3 + 2)Cycloaddition of Methylenecyclopropanes with 2‐Cyclopentenone.
Authors: BINGER P. , SCHAEFER B. +
Published: May 2016

The methylenecyclopropanes (II) and (IV) undergo cycloaddition reaction with the cyclopentenone (I) in the presence of a nickel(0) complex and a Lewis acid, e.g. triethylboron, producing the methylenebicyclo‐(3.3.0)octanones (III) or (V) and (VI).
ChemInform Abstract: Five‐Membered 2,3‐Dioxoheterocycles. Part 9. Reaction of 5‐Aryl‐2,3‐dihydrofuran‐2,3‐diones with Amino Acids.
Authors: ANDREICHIKOV YU. S. , KRYLOVA I. V.
Published: May 2016

The aliphatic amino acids (II) and (IV) and the anthranilic acids (VI) react with the 5‐arylfuran‐2,3‐diones (I) by way of ring cleavage to form the pyruvic amides (III), (V) and (VII).
ChemInform Abstract: Synthesis and Properties of Some Indeno(1,2‐d)pyrimidine‐2‐thione and Indeno(1,2‐d)(1,3)thiazine Derivatives.
Authors: ZANDERSONS A. Z. , LUSIS V. K. , LIEPIN'SH E. E. , MUTSENIETSE D. KH. , KHANINA E. L. , DUBUR G. YA.
Published: May 2016

The benzylideneindandiones (I) are coupled with the thioureas (II), (VI), or (IX) to give the indenopyrimidines (III), (VII), or (X) and the indenothiazines (IV), (V), or (VIII), depending on the thiourea used.
ChemInform Abstract: A New 2‐Aminobuta‐1,3‐diene Derivative and Its Utility as a Building Block in Hetero‐ and Carbocyclization Processes.
Authors: BARLUENGA J. , AZNAR F. , CABAL M.‐P. , CANO F. H. , FOCES‐FOCES C.
Published: May 2016

Cycloaddition reaction of the morpholinobutadiene (I) with the aromatic aldehydes (II) or methyl vinyl ketone (VIII) yields the tetrahydropyranones (III) and (IV) or the cyclic enamines (V) and (IX), depending on the work‐up conditions.
ChemInform Abstract: Unprecedented Stereochemical Control in the Claisen Rearrangement of Allyl Vinyl Ethers Using Organoaluminum Reagents.
Authors: MARUOKA K. , NONOSHITA K. , BANNO H. , YAMAMOTO H.
Published: May 2016

The first stereocontrolled Claisen rearrangement of ethers such as (I) using the bulky organoaluminum reagents (I) or (V) gives rise to the Z isomers (IV) as the main products or to the E isomers (VI).
ChemInform Abstract: Decarbonylation of Sugars by Chlorotris(triphenylphosphine)rhodium.
Authors: ANDREWS M. A. , KLAEREN S. A.
Published: May 2016

Treatment of glucose (I) or the aldehydes (III) with chlorotris(triphenylphosphine)rhodium results in decarbonylation, yielding arabinitol (II) or methanol (IVa) and ethylene glycol (IVb).
ChemInform Abstract: Convenient Synthesis of Tetraethyleneglycol Divinyl Ether.
Authors: LAVROV V. I. , PARSHINA L. N. , LAPKANOVA L. A. , TROFIMOV B. A.
Published: May 2016

Under the conditions of phase transfer catalysis the reaction between a threefold stoichiometric excess of 2‐vinyloxyethanol (I) and 2,2'‐dichloroethyl ether (II) affords the title compound (III) in near to quantitative yield with minimum amounts of by‐products.
ChemInform Abstract: Carbonylation of Tertiary Alkyl Halides: Synthesis of Pivaloyl Halides.
Authors: BRUNET J.‐J. , LEGARS P. , PERES Y. , TKATCHENKO I. , LECOLIER S.
Published: May 2016

The carbonylation of tert‐butyl chloride (I) to give pivaloyl chloride (III) is performed under various conditions.
ChemInform Abstract: Reaction of β‐Arylacryloyloxiranes with Phenyl Azide. Synthesis and Chemical Transformations of β‐Phenylamino‐β‐arylacryloyloxiranes.
Authors: ZVONOK A. M. , KUZ'MENOK N. M. , STANISHEVSKII L. S.
Published: May 2016

Reaction of the acryloyloxiranes (I) with phenyl azide (II) at an elevated temperature yields the enamino ketones (III).
ChemInform Abstract: Formation of 3‐Diphenylmethoxy‐5‐hydroxy‐2,5‐dihydropyrrol‐2‐one by the Reaction of 2,4‐Dioxobutanoic Acid Phenylamide with Diphenyldiazomethane.
Authors: BRIGADNOVA E. V. , MASLIVETS A. N. , ANDREICHIKOV YU. S.
Published: May 2016

The title compound (III) is formed by the reaction between the amide (I) and diphenyldiazomethane (II).
ChemInform Abstract: Synthetic Studies of Indoles and Related Compounds. Part 18. Regioselectivity in the Vilsmeier‐Haack Reaction of N‐Benzyl‐1,2,3,4‐tetrahydrocarbazole.
Authors: MURAKAMI Y. , YOKOYAMA Y. , MIURA T. , NOZAWA S. , TAKEDA E. , SUZUKI H.
Published: May 2016

Treatment of the N‐benzyltetrahydrocarbazole (I) with the formamides (II) and phosphoryl chloride at approx.
ChemInform Abstract: The Synthesis and Unimolecular Decomposition of Four Novel δ1‐1,2,4‐Triazolines.
Authors: SCHWAN A. L. , WARKENTIN J.
Published: May 2016

Treatment of the triazoline (I) with benzonitrile oxide (III) (generated in situ from (II)) leads to 1,3‐dipolar cycloaddition yielding the spiro product (IV).
ChemInform Abstract: 1,1‐Dihalogenoalkylcarbodiimides. Part 5. Reaction of Dichlorodiazadienes with Trimethylsilyl Azide.
Authors: MATVEEV YU. I. , GORBATENKO V. I. , SAMARAI L. I. , SEREDA S. V. , STRUCHKOV YU. T.
Published: May 2016

The title reaction yields the azidodiazadienes (III) instead of the expected 1,1‐diazidocarbodiimides.
ChemInform Abstract: A New Type of Functionalization of the Benzylic‐Type Positions in Alkylpyridines by DMSO‐Ac2O.
Authors: VISMARA E.
Published: May 2016

Treatment of the 4‐alkylpyridines (I) with DMSO (II) and acetic anhydride (III) results predominantly in acetoxymethylation and/or methylthiomethylation, yielding the substituted derivatives (V), (VII), or (IX).
ChemInform Abstract: Modified Knoevenagel‐Stobbe Preparation of Substituted Pyridines: a New Approach to Streptonigrinoids.
Authors: CIUFOLINI M. A. , BYRNE N. E.
Published: May 2016

The enones (I) undergo cycloaddition reaction with the vinyl ether (II) to give the α‐ethoxydihydropyrans (III) which react with hydroxylamine hydrochloride (IV), producing the pyridines (V).
ChemInform Abstract: Pyridazines. Part 37. Novel Triazanaphthalene Derivatives via Intramolecular Cyclization Reactions of vic‐Disubstituted Pyridazines.
Authors: BOAMAH P. Y. , HAIDER N. , HEINISCH G. , MOSHUBER J.
Published: May 2016

Ethyl 5‐benzyl‐4‐pyridazinecarboxylate (I) reacts with the dimethyl acetal (II) to give the enamine (III) which is cyclized to form the bicyclic derivatives (V), (VI), or (VIII).
ChemInform Abstract: Synthesis of a 5H‐Benzo(4,5)cyclohepta(1,2‐d)pyrimidine Derivative.
Authors: TROSCHUETZ R. +
Published: May 2016

Ring closure reaction of the dialdehyde (I) with the oxoglutarate (II) yields the fused heptadienone derivative (III) which is hydrogenated and decarboxylated to give the benzocycloheptenone (V).
ChemInform Abstract: New “Ofloxacin” Type Antibacterial Agents. Incorporation of the Spiro Cyclopropyl Group at N‐1.
Authors: KIELY J. S. , SCHROEDER M. C. , SESNIE J. C.
Published: May 2016

The N‐cyclopropyl carbamate (IV), prepared from the dicarboxylic acid monoester (I) via Curtius rearrangement of the corresponding azide, is reduced and hydrolyzed to form the hydrochloride (V).
ChemInform Abstract: To the Synthesis of Siloxanes. Part 11. The Cleavage of Siloxanes by Boron Trifluoride.
Authors: SCHEIM U. , PORZEL A. , RUEHLMANN K. +
Published: May 2016

The cleavage of the siloxanes (I) or (III) with BF3‐dioxane adduct to form the fluorosilanes (II) or (IV) is investigated by 1H‐NMR spectroscopy.
ChemInform Abstract: Transition‐Metal‐Coordinated Heteroolefins as Synthetic Building Blocks: Thio‐ and Selenoacrylamides from 1‐(Diethylamino)‐1‐propyne and Heteroaldehyde‐ and ‐ketone Complexes.
Authors: FISCHER H. , GERBING U. , TIRILIOMIS A. , MUELLER G. + , HUBER B. , RIEDE J. , HOFMANN J. , BURGER P.
Published: May 2016

The pentacarbonyl(thio‐ or selenoacrylamide) complexes (III) are prepared as shown.
ChemInform Abstract: Redox Chemistry of Transition Metal π‐Complexes. Part 1. (Tricarbahexaboranyl)metal Complexes. Part 2. Electronic Structures and Reactivities of (η5‐2,3,5‐Tricarbahexaboranyl)nickel Sandwich Complexes. A Combined Electrochemical, Preparative, and NMR Spectroscopic Approach.
Authors: ZWECKER J. , KUHLMANN T. , PRITZKOW H. , SIEBERT W. , ZENNECK U.
Published: May 2016

The known triple‐decker (I) may be cleaved in the presence of cyclooctadiene (II) by chemical (AgBF4) or electrochemical oxidation to form the cationic (η5‐tricarbahexaboranyl)(1,5‐cyclooctadiene)‐Ni complex (III) and the neutral (η5‐tricarbahexaboranyl)(η5‐diborolyl)‐Ni (IV).
ChemInform Abstract: High‐Valent Ruthenium Oxo Complexes of NNN′N′‐Tetramethyl‐3,6‐dimethyl‐3,6‐diazaoctane‐1,8‐diamine (L1). X‐Ray Crystal Structure Determination of cis‐(Ru(III)(L1)Cl2)ClO4.
Authors: CHE C.‐M. , TANG W.‐T. , LAM M. H.‐W. , MAK T. C. W.
Published: May 2016

The title ligand (I) reacts with the aqua complex (II) to yield the cis complex (III) which is characterized by X‐ray crystallography (space group P21/c, Z=4).
ChemInform Abstract: Potential Multifunctional Anticancer Metal Complexes. Part 1. Synthesis and X‐Ray Structural Studies of Some Dinuclear Rhodium(II) Carboxylate Complexes with Diamine‐Substituted Acridine Ligands in Terminal Coordination Positions.
Authors: GOODGAME D. M. L. , PAGE C. J. , WILLIAMS D. J.
Published: May 2016

The dinuclear Rh(II) complexes (I) are prepared by 1:2 molar reaction of corresponding anhydrous Rh(II) carboxylates with the acridine ligands L in methanol.
ChemInform Abstract: Synthesis, X‐Ray Structure, and Reactivity of (NBu4)2(Pt2(μ‐C6F5)2(C6F5)4)·H2O and (NBu4)(Pt2Ag(μ‐C6F5)2(C6F5)4O(C2H5)2). The First Complexes Containing Bridging Pentafluorophenyl Groups.
Authors: USON R. , FORNIES J. , TOMAS M. , CASAS J. M. , COTTON F. A. , FALVELLO L. R. , LLUSAR R.
Published: May 2016

The syntheses of the title complexes (II) and (V) are outlined in the scheme.
ChemInform Abstract: Stereoselective Glycosidation Reactions of Activated Glycals with a C1‐Oxygenated Allylsilane: Synthesis of a cis‐Pyrano(2,3‐b)pyran.
Authors: PANEK J. S. , SPARKS M. A.
Published: May 2016

The dihydropyrans (II) and (IV) react with the 1‐silylallyl alcohol (I) in the presence of boron trifluoride etherate to give the dihydropyranyl ethers (III) or (V).
ChemInform Abstract: Synthesis of the C‐Glycoside Fragment of Nogalamycin and Some Nogalamycin Precursors.
Authors: BATES M. A. , SAMMES P. G. , THOMSON G. A.
Published: May 2016

The title glycoside fragment (VII) represents the D,E,F ring system of the anticancer antibiotic nogalamycin (XII).
ChemInform Abstract: Fungal Biotransformation of 1,3‐Oxathiolanes.
Authors: HOLLAND H. L. , MUNOZ B.
Published: May 2016

Incubation of the oxathiolanes (I) with the fungus Mortierella isabellina leads to sulfoxidation yielding the products (II) as single diastereomers, whose relative stereochemistry is assigned by 1H NMR analysis.
ChemInform Abstract: Crystal Structure of K4(H2P2Mo5O21)·2 H2O.
Authors: OZEKI T. , ICHIDA H. , MIYAMAE H. , SASAKI Y.
Published: May 2016

The title compound crystallizes in the monoclinic space group P21/a with Z=4.
ChemInform Abstract: Electrocatalytic Reduction of Nitrate and Nitrite at NafionR‐Coated Electrodes in Concentrated Sodium Hydroxide Solution.
Authors: LI H.‐L. , CHAMBERS J. Q. , HOBBS D. T.
Published: May 2016

Nafion film electrodes containing the Co(III)‐cyclam complex (cyclam: 1,4,8,11‐tetraazacyclotetradecane) as electrocatalyst are prepared either by codeposition of Nafion and the Co‐cyclam complex onto a gold substrate or by electrochemical cycling of a Nafion film electrode in a solution of the Co(III)/Co(II)‐cyclam couple in 1 M NaOH.
ChemInform Abstract: Supported Metal Catalysts Prepared from Bimetallic Clusters: ReOs3 Clusters on γ‐Al2O3.
Authors: FUNG A. S. , TOOLEY P. A. , MCDEVITT M. R. , GATES B. C. , KELLEY M. J.
Published: May 2016

Supported ReOs3 clusters are prepared by deposition of H3ReOs3(CO)13 on partially dehydroxylated γ‐Al2O3 in dry hexane, followed by a thermal pretreatment in either He or H2 and subsequent H2 reduction (400 °C, 4 h).
ChemInform Abstract: Dynamic Properties of Chiral Cyclooctatetraenes. Total Inhibition of the Racemization Process by 1,4‐Annulation.
Authors: PAQUETTE L. A. , TROVA M. P.
Published: May 2016

The chiral cyclooctatetraene (±)‐(X) is prepared in 10 steps from (II).
ChemInform Abstract: Syntheses of Sulfinylmethyl Ethers and Conversion of These into Halomethyl and Acyloxymethyl Ethers.
Authors: ANTONSEN OE. , BENNECHE T. , UNDHEIM K.
Published: May 2016

The sulfinylmethyl ethers (III) are prepared from the alcohols (I) and used as starting materials for a series of functionalized ethers.
ChemInform Abstract: The Stereochemistry of Organometallic Compounds. Part 31. Hydrocyanation of Alkynols.
Authors: JACKSON W. R. , LOVEL C. G. , PERLMUTTER P. , SMALLRIDGE A. J.
Published: May 2016

The phosphite‐catalyzed title reaction of the alkynes (I) is regioselective only in the case of (Ib) and (Id).
ChemInform Abstract: Photochemical Ring Slippage of Bis(pentafluorophenyl)titanocene: Reaction Kinetics and Matrix Isolation of the Primary Photoproduct.
Authors: KLINGERT B. , ROLOFF A. , URWYLER B. , WIRZ J.
Published: May 2016

The primary photochemical reaction of (I), which is used as a polymerization photo‐initiator, yields a reactive isomer.
ChemInform Abstract: E‐4‐Lithio‐4‐tosylbutenone Dimethyl Acetal: A New and Versatile β‐Acylvinyl Anion Equivalent in Organic Synthesis.
Authors: NAJERA C. , YUS M.
Published: May 2016

Lithiation of the tosylated acetal (I) with MeLi (II) yields the lithiotosylbutenone acetal (III) mentioned in the title.
ChemInform Abstract: Imidazo(1,2‐b)pyridazines. Part 3. Syntheses and Central Nervous System Activities of Some 6‐Chloro‐3‐methoxy(and ethoxy)‐2‐aryl(and heteroaryl)imidazo(1,2‐b)pyridazines.
Authors: BARLIN G. B. , DAVIES L. P. , NGU M. M. L.
Published: May 2016

Compounds of type (IV) are tested for their ability to displace diazepam‐3H bound to rat brain membranes.
ChemInform Abstract: Syntheses and Structures of Diastereomerically Pure 2,6‐Disubstituted 3‐Morpholinones.
Authors: DANKLMAIER J. , HOENIG H. +
Published: May 2016

The syntheses of the hitherto unknown diastereomerically pure morpholinones (IV), (VI), (VII) start from the compounds (I) or, analogously, from the compounds (V) as shown in the scheme.
ChemInform Abstract: Functional Trimethylphosphine Derivatives. Part 26. Silyl‐Substituted Phosphinomethanes and Lithiumphosphinomethanides.
Authors: KARSCH H. H. , APPELT A. , DEUBELLY B. , ZELLNER K. , RIEDE J. , MUELLER G. +
Published: May 2016

The Li phosphinomethanides (I) react with Me3SiCl (II) to give the silyl‐substituted phosphinomethanes (III).
ChemInform Abstract: Dimolybdenum(II) Complexes that Contain the Ligand cis‐Ph2PCH=CHPPh2 (dppee). Synthesis and Characterization of the α‐ and β‐Isomers of Mo2X4(dppee)2 (X: Cl, Br).
Authors: BAKIR M. , COTTON F. A. , FALVELLO L. R. , SIMPSON C. Q. , WALTON R. A.
Published: May 2016

The α‐ and β‐isomers (I) and (II) of the title complexes are prepared by different routes.
ChemInform Abstract: Linkage of Alkylidyne, Carbonyl, and Alkyne Ligands at a Tungsten Center: Formation of a Metallacyclopentadienone and of an η3‐Oxocyclobutenyl Complex.
Authors: MAYR A. , LEE K. S. , KAHR B.
Published: May 2016

The conversion of alkylidyne into alkylidene complexes, which is of interest in connection with the catalysis of acetylene polymerization, is demonstrated by the reaction of (I) with phenylacetylene (II).
ChemInform Abstract: Synthesis and Characterization of Stable Rhenium(V) Dioxo Complexes with Acyclic Tetraamine Ligands, (LReO2)+.
Authors: PARKER D. , ROY P. S.
Published: May 2016

The title complexes (I) are prepared in a single‐step synthesis from trans‐ReOCl3(PPh3)2 and the corresponding acyclic tetraamines in dry CHCl3.
ChemInform Abstract: Electron‐Transfer Activation in the Thermal and Photochemical Osmylations of Aromatic EDA Complexes with Osmium(VIII) Tetroxide.
Authors: WALLIS J. M. , KOCHI J. K.
Published: May 2016

Various types of arenes spontaneously form with OsO4 a series of highly colored solutions of electron donor‐acceptor complexes in nonpolar solvents.
ChemInform Abstract: Reaction of Dianions Derived from β‐Ketoesters with Epoxides‐Utility in the Preparation of Synthetically Useful Tetrahydrofurans.
Authors: LYGO B. , O'CONNOR N. , WILSON P. R.
Published: May 2016

Several examples are presented for the preparation of tetrahydrofurans such as (III), (VI) or (IX).
ChemInform Abstract: 4(5)‐Vinylimidazole by Dehydrobromination of 1‐Triphenylmethyl‐4‐(2‐bromoethyl)imidazole.
Authors: ALTMAN J. , WILCHEK M.
Published: May 2016

The bromoethylimidazole hydrobromide (I) is tritylated and then treated with ethoxide to form the N‐trityl‐4‐vinylimidazole (IV) which is detritylated to give 4‐vinylimidazole (V).
ChemInform Abstract: Rearrangement of o‐Nitrosubstituted Benzenes to o‐Nitrosoketones and Synthesis of 2,1‐Benzoxazine Derivatives.
Authors: FEDOTOV A. N. , TROFIMOVA E. V. , MOCHALOV S. S. , SHABAROV YU. S.
Published: May 2016

The reaction between o‐nitrobenzylcyclopropane (I) or o‐nitrophenylbut‐2‐ene (VII) and conc.
ChemInform Abstract: Synthetic Molecular Receptors for Urea. Macrocyclic Ligands with Intraannular Acidic Groups and the Complexes with Urea.
Authors: VAN STAVEREN C. J. , AARTS V. M. L. J. , GROOTENHUIS P. D. J. , DROPPERS W. J. H. , VAN EERDEN J. , HARKEMA S. , REINHOUDT D. N.
Published: May 2016

A systematic study is carried out on the effect of intraannular acidic groups present in the cavities of the macrocycles (III), (IV), (VIII), (X) on the complexation of urea.
ChemInform Abstract: Oxidations of Some α‐Amino Acids Under Mitsunobu Reaction Conditions.
Authors: KOLASA T. , MILLER M. J.
Published: May 2016

Treatment of the N‐acylamino acid esters (I) with diisopropyl azodicarboxylate (II) in the presence of triphenylphosphine (Mitsunobu conditions) results in the formation of the cyclocondensation products (III) ‐ (V) depending on the substitution patterns.
ChemInform Abstract: Regiospecific Formation of Alkylidene‐1,2‐oxasiletane.
Authors: SASO H. , YOSHIDA H. , ANDO W.
Published: May 2016

The alkylidenesilirane (I) reacts with cyclohexyldimethylamine N‐oxide to give the alkylideneoxasiletane (II) which is hydrolyzed to yield the silanol (IV).
ChemInform Abstract: Synthesis of Phosphonic Acid Derivatives by Oxidative Activation of Phosphinate Esters.
Authors: SAMPSON N. S. , BARTLETT P. A.
Published: May 2016

Silylation of the ethyl phosphinate (Ia) with bis(trimethylsilyl)acetamide (II) and subsequent oxidation with tetrachloromethane in the presence of the alcohols (IV) give the phosphonates (V) via the corresponding phosphonochloridate.
ChemInform Abstract: C‐H Oxidative Addition and Reductive Elimination Reactions in a Dinuclear Iridium Complex.
Authors: MCGHEE W. D. , HOLLANDER F. J. , BERGMAN R. G.
Published: May 2016

Thermolysis of the hydrido‐allyl complex (I) at relatively high concentrations of starting material in benzene (II) leads to the benzene C‐H oxidative addition product (III).
ChemInform Abstract: Synthesis of 2,7,10,15,18,23‐Hexamethyltetracosane, a Squalane Isomer from the Telomer of Isoprene and Acetoacetic Ester.
Authors: ZAKHARKIN L. I. , ANIKINA E. V. , PETROVSKII P. V.
Published: May 2016

Telomerization of isoprene (I) with ethyl acetoacetate (II) affords a mixture of at least six isomeric telomers differing in the structure of the dimethyloctadienyl moiety.
ChemInform Abstract: Amino Acids and Peptides. Part 205. An Alternative Route to Nα‐Methylamino Acid Derivatives: Synthesis and Conformation of Some Nα‐Acetyl‐Nα‐Methylamino Acid Methylamides.
Authors: HLAVACEK J. , FRIC I. , BUDESINSKY M. , BLAHA K.
Published: May 2016

The methylation of Nα‐4‐toluenesulfonylamino acid esters such as (I) by dimethyl sulfate (II) in the presence of a detergent leads to the Nα‐methyl derivatives (III) which are converted to the title compounds (VIII).
ChemInform Abstract: Electrochemical Stability of LiMF6 (M: P, As, Sb) in Tetrahydrofuran and Sulfolane.
Authors: NANJUNDIAH C. , GOLDMAN J. L. , DOMINEY L. A. , KOCH V. R.
Published: May 2016

Because of the instability and potential toxicity of LiAsF6, which is one of the most popular supporting electrolytes in rechargeable Li batteries, the electrochemical stability of LiSbF6 and LiPF6 in aprotic solvents is studied.