bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: 3‐(2‐Hydroxyhexafluoroprop‐2‐yl)‐5‐(2H‐hexafluoroprop‐2‐yl)pyridine and 3,5‐Bis(2‐hydroxyhexafluoroprop‐2‐yl)pyridine.
Authors: SVIRIDOV V. D. , CHKANIKOV N. D. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

The hexafluoropropylcarbinols (III) and (IV) are formed by heating piperidine (I) with excess hexafluoroacetone (II).
ChemInform Abstract: Organic Azides in the Synthesis of Heterocycles. Part 3. Methods for the Synthesis of 4‐Azido‐2(1H)‐quinolones.
Authors: STADLBAUER W.
Published: May 2016

The title compounds (III), (VI) or (X) are obtained by the reactions of the chloroquinolones (II) with NaN3, by conversion of the tosyloxyquinolones (V) with NaN3, or by diazotation of the aminoquinolones (IX), followed by work‐up with NaN3.
ChemInform Abstract: Synthesis of a Novel Class of Condensed 1,2‐Thiazine‐S‐oxides. Cycloaddition Reaction of N‐Aryl‐4H‐5,7a‐epoxyisoindolines with N‐Sulphinylaniline.
Authors: BORTHAKUR D. R. , PRAJAPATI D. , SANDHU J. S.
Published: May 2016

The N‐arylepoxyisoindolines (I) and N‐sulphinylaniline (II) produce the cycloadducts (III), together with smaller amounts of the regiomers (IV).
ChemInform Abstract: Synthesis of Crown Ethers by Azo Coupling.
Authors: SULTANOV A. V. , SAVVIN S. B.
Published: May 2016

The bisdiazonium salts from the glycol aminophenyl ethers (I) and coupled with resorcinol (II) to give the macrocyclic bisazo compounds (III).
ChemInform Abstract: Unusual Cyclization During the Reaction of 1,2‐Dilithio‐o‐carborane with Perfluoropropylene.
Authors: ZAKHARKIN L. I. , LEBEDEV V. N.
Published: May 2016

A mixture of the substitution product (IV) and the cyclopenteno compound (III) is obtained by reacting perfluoropropene (II) with dilithio‐o‐carborane (I).
ChemInform Abstract: Silylmethylation of O,O‐Bis(trimethylsilyl)diethanolamine.
Authors: ORLOV G. I. , ENUKASHVILI A. A. , DYAKOV V. M.
Published: May 2016

Reaction of the chloromethylsilane (I) with O,O‐bistrimethylsilyldiethanolamine (II) proceeds under elimination of trimethylethoxysilane to give the oxazasilacyclohexane (III).
ChemInform Abstract: Reaction of Phosphorus Pentachloride with Mixtures of a Trialkylphosphite and an Aldehyde.
Authors: GAZIZOV M. B. , ZAKHAROV V. M. , KHAIRULLIN R. A. , MOSKVA V. V. , SAVEL'EVA E. I.
Published: May 2016

Reaction of phosphorus pentachloride (I) with the phosphites (II) and acetaldehyde (III) produces mixtures of the dialkylchlorophosphates (IV) and the dialkylphosphoryl ethyldichlorophosphites (V).
ChemInform Abstract: Use of Dicyclohexano‐15‐crown‐5 in the Synthesis of Glycine‐N‐methylenephosphonic Acid.
Authors: GOLOVANOV A. V. , MASLENNIKOV I. G. , MEDVEDEV A. E. , LAVRENT'EV A. N.
Published: May 2016

The dialkyl phosphites (I) react with N‐hydroxymethylglycine (II) to give the phosphonates (IV).
ChemInform Abstract: Reaction of 2,4‐Diamino‐1,2λ3,4λ3‐azadiphosphetidines with Some Electrophilic Reagents.
Authors: MONIN E. A. , NOVIKOVA Z. S. , BORISENKO A. A. , KABACHNIK M. M. , LUTSENKO I. F. , CHERNEGA A. N. , ANTIPIN M. YU. , STRUCHKOV YU. T.
Published: May 2016

The 1,2,4‐azadiphosphetidines (III) are synthesized from the tetrachloromethylene diphosphine (I) and the aliphatic amines (II).
ChemInform Abstract: Preparation and Reaction Chemistry of Trimethylsilyl Derivatives of Tantalum. X‐Ray Structures of d0 (η5‐C5Me5)Ta(SiMe3)Cl3 and d1 (η5‐C5Me5)Ta(SiMe3)(PMe3)Cl2.
Authors: ARNOLD J. , SHINA D. N. , TILLEY T. D. , ARIF A. M.
Published: May 2016

The trichloro title compound (II) prepared as shown is converted to the derivatives (III) and (IV) on treatment with one equiv. KOSiMe3 or LiOtBu, or with 3 equiv. MeMgBr, respectively.
ChemInform Abstract: Reactions of Bimetallic Group VI (6) Complexes. Part 3. Synthesis, Characterization, and Reactivity of Dimeric Molybdenum(III) and Tungsten(III) Compounds with Bridging Thiolate Ligands. A 95Mo NMR Study on Dinuclear Molybdenum Complexes. Crystal Structure of (Mo(III)2(η5‐C5H5)2(SMe)3(CO)2)Br·H2O.
Authors: GOMES DE LIMA M. B. , GUERCHAIS J. E. , MERCIER R. , PETILLON F. Y.
Published: May 2016

The cationic tris(thiolato)‐bridged complexes (II) are formed by treatment of the neutral bis(thiolato)‐bridged complexes (I) with Me2S2 in the presence of allyl halides.
ChemInform Abstract: Molecular Hydrogen Complexes of the Transition Metals. Part 4. Preparation and Characterization of M(CO)3(PR3)2(η2‐H2) (M: Mo, W) and Evidence for Equilibrium Dissociation of the H‐H Bond to Give MH2(CO)3(PR3)2.
Authors: KUBAS G. J. , UNKEFER C. J. , SWANSON B. I. , FUKUSHIMA E.
Published: May 2016

The η2‐H2 title complexes (II) are synthesized from the η6‐cycloheptatrienetricarbonyl complexes (I) as shown and characterized by vibrational and NMR spectroscopic data.
ChemInform Abstract: Artificial Allosteric System. Part 4. T/R Characterization of an Artificial Allosteric System by Resonance Raman Spectroscopy and O2 or CO Affinity.
Authors: TABUSHI I. , KUGIMIYA S.
Published: May 2016

Allosteric control of successive O2 binding to hemoglobin is best interpreted by remarkable conformation change from the low O2 affinity form, T (tense), to the high O2 affinity form, R (relaxed), on O2 binding to the subunit protein (α or β) in the tetrameric protein (α2β2).
ChemInform Abstract: Synthesis, 31P Shift Correlated Two‐Dimensional (COSY) Nuclear Magnetic Resonance Spectra, and Structure of the Tris(trimethyl phosphite)‐Substituted Phosphido‐Bridged Heteronuclear Dimer ((MeO)3P)2(CO)2Ru(μ‐PPh2)Co(CO)2(P(OMe)3).
Authors: GUESMI S. , TAYLOR N. J. , DIXNEUF P. H. , CARTY A. J.
Published: May 2016

The reaction of the phosphido‐bridged heterobinuclear complex (I) with two or three equiv. trimethyl phosphite gives the mono‐ and disubstituted derivatives (IIa) and (IIb), and only traces of the trisubstituted compound (IIc), or only the last.
ChemInform Abstract: Preparation and Properties of and Reactions with Metal‐Containing Heterocycles. Part 54. A Simple Route to Ruthenacycloalkanes.
Authors: LINDNER E. , JANSEN R.‐M. , MAYER H. A.
Published: May 2016

The complex (I) reacts with alkanediylbis(trifluoromethanesulfonates) by nucleophilic elimination‐cycloaddition to the mononuclear carbonylruthenium complexes (II)‐(IV) in yields of 50‐60%.
ChemInform Abstract: Systematic Mixed‐Metal Cluster Synthesis. The Preparation, Structure, and Spectroscopic Properties of Bis((diphenylphosphino)methyl)phenylarsine‐Bridged Complexes Containing Nearly Linear Rh3, RhIrRh, IrRhIr, and Ir3 Chains.
Authors: BALCH A. L. , FOSSETT L. A. , OLMSTEAD M. M. , REEDY P. E. JUN.
Published: May 2016

Because metal ions prefer binding phosphorus rather than arsenic reaction between the potentially tridentate title ligand and the Rh dimer (I) or the Ir monomer (II) yields the 12‐membered metallocycles (IIIa) and (IIIb) with uncoordinated As atoms.
ChemInform Abstract: Limited Platinum Chains. Synthesis and Crystal Structure of a Green Tetranuclear Platinum Compound, cis‐Diammine Tetraplatinum Squarate, Pt4(NH3)8(C4O4)4·4 H2O. A Structural Analogue of Platinum Blues.
Authors: BERNARDINELLI G. , CASTAN P. , SOULES R.
Published: May 2016

The structure of the green title compound (III), synthesized as shown in the scheme (no yield given), is determined by X‐ray analysis (space group: P21/n; Z=2).
ChemInform Abstract: Influence of Steric Factors on the Coordination Mode (η1 or η2) of Phosphaalkenes to Zerovalent Pt0L2 Centers. X‐Ray Structure of Bis(triphenylphosphine)((2,6‐dimethylphenyl)‐9‐fluorenylidenephosphine)platinum(0)‐Toluene.
Authors: KRAAIJKAMP J. G. , VAN KOTEN G. , VAN DER KNAAP T. A. , BICKELHAUPT F. , STAM C. H.
Published: May 2016

The new phosphaalkene‐Pt(0) complexes (II) and (V) are prepared as shown.
ChemInform Abstract: Chemistry of Metal Hydrides. Part 27. Kinetic and ESR Studies of Acetylene Insertion Reactions with Platinum(II) Dihydrides and the Crystal Structure Determination of trans‐PtH(P‐tBu2‐Bu)2(CH3OOCC=CHCOOCH3).
Authors: CLARK H. C. , FERGUSON G. , GOEL A. B. , JANZEN E. G. , RUEGGER H. , SIEW P. Y. , WONG C. S.
Published: May 2016

Pt(II) dihydrides (I) react with both internal and terminal activated alkynes (II) to give alkenyl products (yield 70‐75%) which are trans with respect to Pt and H about the C=C bond.
ChemInform Abstract: A New Approach to 6‐Deoxy‐D‐allofuranose and 6‐Deoxy‐L‐talofuranose Derivatives from 1,2:5,6‐Di‐O‐isopropylidene‐α‐D‐glucofuranose.
Authors: ZSOLDOS‐MADY V. , ZBIRAL E.
Published: May 2016

Starting from the glucofuranose (I) the α‐D‐allofuranose (V) is prepared as shown.
ChemInform Abstract: Synthesis of p‐Aminophenyl β‐D‐Ribofuranoside 3‐(D‐Ribit‐5‐yl Phosphate).
Authors: GAREGG P. J. , JOHANSSON R. , LINDH I. , SAMUELSSON B.
Published: May 2016

p‐Nitrophenyl‐β‐D‐ribofuranoside (Ia) is converted to its derivative (Ic) via (Ib) by tritylation and subsequent benzylation.
ChemInform Abstract: Stereocontrolled Synthesis of Vitamin A Through a Double Elimination Reaction. A Novel Convergent C10 + C10 Route.
Authors: OTERA J. , MISAWA H. , ONISHI T. , SUZUKI S. , FUJITA Y.
Published: May 2016

The sulfone (I) is coupled with the C10‐aldehyde (II) to give the alcohol (IIIa) which is converted to the derivatives (IIIb) and (IIIc).
ChemInform Abstract: Conformational Prerequisites for the in vitro Inhibition of Cholate Uptake in Hepatocytes by Cyclic Analogues of Antamanide and Somatostatin.
Authors: KESSLER H. , KLEIN M. , MUELLER A. + , WAGNER K. , BATS J. W. , ZIEGLER K. , FRIMMER M.
Published: May 2016

Comparative investigations of the inhibition of cholate uptake in liver cells by the cyclopeptides (I) (somatostatin), (II) (antamanide), (III) (cyclolinopeptide A), (IV) ("PPF"), and (V) ("008") demonstrate that constitution and conformation determine the biological activity of a peptide.
ChemInform Abstract: 2‐Oxazolidinones for Regioselective Protection of β‐Amino Alcohols in the Synthesis of 2‐Amino‐1‐aryl‐3‐fluoro‐1‐propanols.
Authors: JOMMI G. , PAGLIARIN R. , TAVECCHIA P. , CHIARINO D. , FANTUCCI M.
Published: May 2016

The synthesis of the fluoro analogue (VIII) of thiamphenicol (IX) is reported.
ChemInform Abstract: Chiral Synthons by Enantioselective Hydrolysis of meso‐Diesters with Pig Liver Esterase: Substrate‐Stereoselectivity Relationships.
Authors: ADACHI K. , KOBAYASHI S. , OHNO M.
Published: May 2016

Various meso‐diesters undergo efficient asymmetric hydrolysis with PLE (pig liver esterase) as outhined in the reaction scheme.
ChemInform Abstract: Changes in the Glass Forming Ability of MgZnSn Alloys Due to the Presence of an Intermetallic Compound.
Authors: MINGOLO M. , ARCONDO B. , NASSIF E. , SIRKIN H.
Published: May 2016

XRD and Mößbauer studies on (Mg70Zn30)100‐xSnx alloys with various tin contents indicate the appearance of Mg2Sn clusters that modifies the glass forming ability compared to the binary alloy.
ChemInform Abstract: Polymorphic Cadmium Sulfites. The Crystal Structures of CdSO3‐I (A), CdSO3‐II (B), and CdSO3‐III
Authors: ENGELEN B. , BUCHMEIER W. , LUTZ H. D.
Published: May 2016

(C) are determined from single‐crystal XRD data.
ChemInform Abstract: Effect of Powder Purity and Second Phases on the Dielectric Properties of Lead Magnesium Niobate Ceramics.
Authors: CHEN J. , GORTON A. , CHAN H. M. , HARMER M. P.
Published: May 2016

It is demonstrated that the use of ultra‐high‐purity grade starting powders of PbO, Nb2O5, and MgO produces Pb‐Mg‐Nb (PMN) ceramics with highly superior dielectric properties, even in the presence of a pyrochlore second phase.
ChemInform Abstract: Corrosion Studies of Various Heavy‐Metal Fluoride Glasses in Liquid Water: Application to Fluoride‐Ion‐Selective Electrode.
Authors: RAVAINE D. , PERERA G.
Published: May 2016

The leaching rates of various heavy‐metal fluoride (HMF) glasses have been investigated in pH‐buffered solutions.
ChemInform Abstract: Theoretical Study of Nitrogen Adsorption and Dissociation on Iron and Rhenium Single Crystals.
Authors: ORTOLEVA E. , SIMONETTA M.
Published: May 2016

Two different mechanisms are proposed for the N2 dissociation at Fe and Re single crystals based on the results of extended Hückel calculations.
ChemInform Abstract: Photoluminescence of Tetrameric Copper(I) Iodide Complexes in Solution.
Authors: VOGLER A. , KUNKELY H.
Published: May 2016

The title complexes (I) are investigated in noncoordinating solvents (C6H6, CH2Cl2, Me2CO) at 20 °C. Emission quantum yields and lifetimes are determined.
ChemInform Abstract: A New Germacrenolide from Blainvillea latifolia (D.C.).
Authors: ROJATKAR S. R. , DHANESWAR N. N. , PURANIK V. G. , TAVALE S. S. , GURUROW T. N. , NAGASAMPAGI B. A.
Published: May 2016

The germacrenolides (I) are isolated from an acetone extract of the title plant.
ChemInform Abstract: Acidities of Hydrocarbons and Sulfur‐Containing Hydrocarbons in Dimethyl Sulfoxide Solution.
Authors: BORDWELL F. G. , DRUCKER G. E. , ANDERSEN N. H. , DENNISTON A. D.
Published: May 2016

Based on (IIa) the relative acidities of hydrocarbons such as (I) and (IIb), which form highly delocalized carbanions, agree well with their ion‐pair acidities measured in cyclohexylamine.
ChemInform Abstract: Organocopper‐Lewis Acid Mediated 1,3‐Chirality Transfer of Acyclic γδ‐Dioxygenated (E)‐αβ‐Enoates. Regio‐, (E)‐Stereo‐, and Diastereoselective α‐Alkylation Approaching 100% Selectivity.
Authors: IBUKA T. , NAKAO T. , NISHII S. , YAMAMOTO Y.
Published: May 2016

While treatment of the acetate (Ia) with (II) results in the formation of the reduced product (III), the analogous reaction of (Ib) or (Ic) with 3 equiv. of the higher‐order cuprate (IVa) provides the desired alkylated compound (V).
ChemInform Abstract: Conformer Selection by Monolayer Compression.
Authors: AHMAD J. , ASTIN K. B.
Published: May 2016

Compressed films of nerol remain largely unreacted, the terpene adopting an extended conformation.
ChemInform Abstract: Secondary Reactions Following Flash Photodissociation of Iodoethane and 1‐Iodopropane.
Authors: HAYES D. M. , STRONG R. L.
Published: May 2016

The room‐temp.
ChemInform Abstract: Picosecond Time Scale Dynamics of Perester Photodecomposition: Evidence for an Acyloxy Radical Intermediate in the Photolysis of tert‐Butyl 9‐Methylfluorene‐9‐percarboxylate.
Authors: FALVEY D. E. , SCHUSTER G. B.
Published: May 2016

The photolysis of the title compound (I) leads to the radicals (III) and (IV) which are identified by product formation.
ChemInform Abstract: The Generation of Carbene Anion Radicals from Diazo Compounds. Factors Influencing the Unimolecular Decomposition of the Anion Radicals of Diazo Compounds in Solution.
Authors: BETHELL D. , PARKER V. D.
Published: May 2016

Using cyclic voltammetric and chronoamperometric methods the rate constants for the reduction of the anion radicals (II) in DMF or MeCN are obtained, indicating an eC or eCeh mechanism (overall two electron process with homogeneous electron transfer following the rate‐determining chemical step; loss of N2).
ChemInform Abstract: Dialkylborylmethylcyclobutene ‐ 1‐(Dialkylboryl)‐2‐methylenecyclobutane: a New Metallotropic System. Synthesis of 2‐Substituted Methylenecyclobutanes and Cyclobutene Derivatives.
Authors: BUBNOV YU. N. , GURSKII M. E. , LAVRINOVICH L. I.
Published: May 2016

Lithiation of the methylenecyclobutane (I) and subsequent reaction with the dialkylbromoboranes (II) produce equilibrium mixtures of the methylenecyclobutylboranes (III) and the tautomeric cyclobutenylmethylboranes (IV).
ChemInform Abstract: Electrochemical Oxidative Substitution and Dimerization of 1‐Arylazo2‐naphthols, Leading to a New Synthesis of Some Unsymmetrical Diarylamines.
Authors: BENTLEY T. W. , RICHARDS D. J. , HUTCHINGS M. G.
Published: May 2016

The arylazonaphthols (I) undergo electrochemical oxidation, producing the radical cation (II).
ChemInform Abstract: Differences Between the Reaction of 2‐Benzylidenecyclopentanone with Malononitrile and the Reaction of Cyclopentylidenemalononitrile with Aromatic Aldehydes; Synthesis of Strong Fluorescent o‐Aminonitriles.
Authors: MIREK J. , MILART P.
Published: May 2016

The compound (III) is obtained from the components (Ia) and (II) only in a moderate yield.
ChemInform Abstract: Transition Metal Complexes of N‐Ethoxycarbonylthiophene‐2‐thiocarboxamide: Sulfur Abstraction from N‐Ethoxycarbonylthiophene‐2‐thiocarboxamide by Ag(I), Cu(II), Pb(II), Hg(II) and Cd(II) Ions.
Authors: GUPTA H. K. , DIKSHIT S. K.
Published: May 2016

The thioacylcarbamate (I) reacts with the metal salts (II) to form the chelate complexes (III).
ChemInform Abstract: Structure of the Products Formed from Cotarnine and Hydrastinine with Hydroxylamine.
Authors: MOEHRLE H. + , GRIMM B.
Published: May 2016

In contrast to previous reports, reaction of the title compounds (I) with hydroxylamine yields the open‐chain oximes (II).
ChemInform Abstract: Syntheses and Biological Activities of 2‐(Adamantylmethyl)benzimidazoles and ‐imidazolines.
Authors: KUZMIERKIEWICZ W. , SACZEWSKI F. , FOKS H. , KALISZAN R. , DAMASIEWICZ B. , NASAL A. , RADWANSKA A.
Published: May 2016

The title compounds (III) are synthesized from the adamantane acetic acids (I) and the diamines (II).
ChemInform Abstract: Selective Reduction of Carboxylic Acid Esters in the Presence of a Five‐Membered Cyclic Sulfone.
Authors: ANDERSON W. K. , MACH R. H.
Published: May 2016

Carboxylic acid esters (I) are reduced selectively using aluminumtrihydride‐etherate in the presence of a five‐membered cyclic sulfone.
ChemInform Abstract: The Synthesis of 4‐Carbalkoxy‐5‐thioalkyl‐1,2,3‐thiadiazoles.
Authors: HINZ W. , JUST G.
Published: May 2016

1,1‐Dithiomalonates (II), easily obtained from the compounds (I), react with p‐toluenesulfonylazide (III) to give the 1,2,3‐thiadiazoles (IV).
ChemInform Abstract: Formaldehyde in the Synthesis of Nitroxyl Biradicals.
Authors: SHAPIRO A. B. , SUSKINA V. I.
Published: May 2016

The nitroxyl (I) reacts with formaldehyde to give the methylene bridged dimers (II) and (III).
ChemInform Abstract: Synthesis of “Dithiooxolinic Acid”.
Authors: JORDIS U.
Published: May 2016

The benzodithiol (Ia), the starting material for the synthesis of the title compound (Va), is available according to a literature method from the thione (Ic).
ChemInform Abstract: The Synthesis and Ring‐Opening Reactions of 1,10‐Disubstituted 2,3‐(R,R + S,S)‐Epoxydecanes: a Route to Heterocyclic Prostaglandin Analogues.
Authors: GRAYSHAN R. , KEAL C. A. , SACKVILLE M. A.
Published: May 2016

The trans‐decene (VIIa) is synthesized from the octanediol (I) as shown in the scheme.
ChemInform Abstract: Synthesis and Spectrometric Study of the Tautomeric Equilibrium of 2‐Thioxoquinazolone‐4.
Authors: YUN L. M. , YANGIBAEV S. , SHAKHIDOYATOV KH. M. , ALEKSEEVA V. YA. , V'YUNOV K. A.
Published: May 2016

The methylation of 2‐thioxoquinazolone‐4 (I) by reaction with methyl tosylate in DMF is examined.
ChemInform Abstract: Unusually Basic, Rapidly Protonated Bicyclic Triamine: 11‐Methylene‐1,5,9‐triazabicyclo(7.3.3)pentadecane.
Authors: BELL T. W. , CHOI H.‐J. , HARTE W.
Published: May 2016

The hydroiodide (III) of the title compound (IV) is obtained from the base‐catalyzed reaction of (I) with (II); subsequent deprotonation to give (IV) is followed by methylation to yield (V).
ChemInform Abstract: Synthesis of the New Thia‐Aza Cage 12,17‐Dimethyl‐5‐thia‐1,9,12,17‐tetraazabicyclo(7.5.5)nonadecane. Thermodynamic Studies on Protonation and Copper(II) Complex Formation.
Authors: BIANCHI A. , GARCIA‐ESPANA E. , MICHELONI M. , NARDI N. , VIZZA F.
Published: May 2016

The title compound (IV) is prepared according to the scheme.
ChemInform Abstract: Borylated Carbodiimides.
Authors: EINHOLZ W. , HAUBOLD W.
Published: May 2016

The borylated carbodiimides (IIIa) and (V) are synthesized by the reaction of the boron compounds (Ia) with (II) or (IV), respectively.
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of arachno‐6‐((CH3)3Si)‐6,9‐C2B8H13 Through a Cage‐Expansion Reaction of nido‐2,3‐((CH3)3Si)2‐2,3‐C2B4H6.
Authors: WERMER J. R. , HOSMANE N. S. , ALEXANDER J. J. , SIRIWARDANE U. , SHORE S. G.
Published: May 2016

The air‐stable, 10‐vertex arachno title carborane (II) is prepared by the cage‐expansion reaction of the nido‐compound (I) with B5H9.
ChemInform Abstract: On the Reaction of Alkene Sulfides and Ethylene Oxide with Phosphorus Pentachloride ‐ Alkene Adducts.
Authors: KROLEVETS A. A. , ANTIPOVA V. V. , POPOV A. G.
Published: May 2016

The addition complexes of alkenes (I) with phosphorus pentachloride react with ethylene oxide or sulfide (II) to give the phosphonic or thiophosphonic acid dichlorides (III) and (IV) depending on the substituents.
ChemInform Abstract: Studies on the Preparation and Characterisation of Bis‐p‐biphenyltin(IV) Carboxylates.
Authors: TREHAN J. C. , SHARMA R. K. , KUMAR N. , SHARMA C. P.
Published: May 2016

The bis(biphenyl)‐tin carboxylates (III) are prepared by reacting the dichloride (I) with the sodium carboxylates (II).
ChemInform Abstract: Reaction of Ethylene with a Coordinatively Unsaturated Iron Complex, Fe(DEPE)2: sp2 C‐H Bond Activation Without Prior Formation of a π‐Complex.
Authors: BAKER M. V. , FIELD L. D.
Published: May 2016

The coordinatively saturated bis(diphosphine)Fe(0) complex (II), photochemically generated from (I) at ‐80 °C, reacts with ethylene to give the insertion product (III) and the π‐complex (IV) in a ratio of 90:10.
ChemInform Abstract: Some New Fluorinated β‐Ketoamines and Their Copper Complexes.
Authors: JOSHI K. C. , JOSHI B. S.
Published: May 2016

The benzoylacetones (I), which are fluorinated at the aromatic ring, react with the primary amines (II) to yield the benzoyl enamines (III).
ChemInform Abstract: A New Group of Ruthenium Complexes: Structure and Catalysis.
Authors: SHVO Y. , CZARKIE D. , RAHAMIM Y. , CHODOSH D. F.
Published: May 2016

On the basis of a reinvestigated NMR spectrum, NMR and IR comparison with the analogues (Ib)‐(Id), and an X‐ray structure analysis of (Ib) (space group C2/c, Z=4), the dimeric product of (II) is confirmed to be (Ia).
ChemInform Abstract: Isomerization of the Hydridoalkylrhodium Complexes Formed on Oxidative Addition of Rhodium to Alkane C‐H Bonds. Evidence for the Intermediacy of η2‐Alkane Complexes.
Authors: PERIANA R. A. , BERGMAN R. G.
Published: May 2016

The products (II) of insertion of the coordinatively unsaturated fragment (η5‐C5Me5)Rh(PMe3) into alkane C‐H bonds are generated by irradiation of the dihydride (I) in the appropriate hydrocarbon solvent RH or thermal decomposition of the hydridoneopentyl‐Rh complex (II) (R: neopentyl) at temp. below ‐30 °C in RH.
ChemInform Abstract: Reactions of Osmium(IV) Complexes of PAC Ligands with Azide Species (PAC: polyanionic chelating ligands).
Authors: BARNER C. J. , COLLINS T. J. , MAPES B. E. , SANTARSIERO B. D.
Published: May 2016

The reaction of the Os(IV) complex (I) with excess phenylazide probably occurs via a putative Os(VIII) bis(phenylimido) complex to give the (η2‐diimido)‐compound (II).
ChemInform Abstract: C‐C Bond Cleavage in Hydrocarbons by Iridium Complexes.
Authors: CRABTREE R. H. , DION R. P. , GIBBONI D. J. , MCGRATH D. V. , HOLT E. M.
Published: May 2016

The C‐C bond‐breaking reactions in alkanes, alkenes, and dienes in the presence of the complex (II) take place in different modes.
ChemInform Abstract: Synthesis of Dehydrostizolobic Acid Derivatives.
Authors: STOLL G. , FRANK J. , MUSSO H. , HENKE H. , HERRENDORF W.
Published: May 2016

The N‐acetylstizolobate (Ia) is converted, via the in termediate (Ib), to the (Z)‐dehydro derivative (II) which can be in part isomerized to its (E)‐isomer (III).
ChemInform Abstract: Synthesis of Carbocyclic Analogues of D‐Glucosamine and L‐Idosamine from D‐Glucosamine.
Authors: BARTON D. H. R. , GERO S. D. , AUGY S. , QUICLET‐SIRE B.
Published: May 2016

Reaction of the chiral cyclohexanone (I), readily obtained from D‐ glucosamine, with the Wittig reagents (II) affords the vinyl ether (IIIa) together with the exocyclic alkene (IIIb).
ChemInform Abstract: Structure and Synthesis of a Novel Alkaloid, Latifine, from Crinum latifolium.
Authors: KOBAYASHI S. , TOKUMOTO T. , IGUCHI S. , KIHARA M. , IMAKURA Y. , TAIRA Z.
Published: May 2016

The alkaloid (I) is isolated from the leaves of the title plant and its structure is established by X‐ray diffraction (space group P212121, Z=4).
ChemInform Abstract: Highly Stereocontrolled Synthesis of Some Trioxygenated Cyclohexenes: An Asymmetric Total Synthesis of (‐)‐Methyl Triacetyl‐4‐epishikimate.
Authors: POSNER G. H. , WETTLAUFER D. G.
Published: May 2016

The title compound (XI) is prepared in 23.4% overall yield and ≥ 98% enantiomeric purity from the known polyfunctional bicyclic lactone (I).
ChemInform Abstract: Microbial Transformation of 1,9‐Dideoxyforskolin to Forskolin (I).
Authors: NADKARNI S. R. , AKUT P. M. , GANGULI B. N. , KHANDELWAL Y. , DE SOUZA N. J. , RUPP R. H. , FEHLHABER H. W.
Published: May 2016

(NADKAR‐ NI, S.R.; AKUT, P.M.; GANGULI, B.N.; KHANDELWAL, YL; DE SOUZA, N.J.; RUPP, R.H.; FEHLHABER, H.W.; Tetrahedron Lett.
ChemInform Abstract: Rapid Determination of Fluorine in Solid Samples
Authors: SAGER M.
Published: May 2016

using tiron (pyrocatechol‐3,5‐disulfonic acid, disodium salt) as superior complexing agent for cations which also form strong fluoride complexes.
ChemInform Abstract: Experimental and Theoretical Study of the Nascent Photoredox Behavior of the Aqueous Hexachloroplatinate(IV) Ion.
Authors: GOURSOT A. , KIRK A. D. , WALTZ W. L. , PORTER G. B. , SHARMA D. K.
Published: May 2016

Picosecond flash photolysis coupled with UV‐visible absorption detection has been used to investigate the nascent photoredox behavior of PtCl62‐ in acidic aqueous solution (pH 2).
ChemInform Abstract: Quantitative Determination of the Deuteroxyl Content of Vitreous Silica.
Authors: SHELBY J. E.
Published: May 2016

The deuteroxyl absorptivity for vitreous silica has been determined by measurement of the reaction of H2 and D2 with a synthetic form of vitreous silica known to form a specific amount of hydroxyl under all experimental conditions.
ChemInform Abstract: The Fluorescence of Transparent Polymer Films of Rare Earth Complexes.
Authors: LI W. , MISHIMA T. , ADACHI G. , SHIOKAWA J.
Published: May 2016

The fluorescence properties of films of the chelates (I) dispersed in a polymethylmethacrylate polymer are investigated.
ChemInform Abstract: Structural Chemistry of Lanthanoid Dicyclopentadienide Halides. Part 1. Two Modifications of Gadolinium Dicyclopentadienide Bromide, (Gd(C5H5)2Br)2 and 1 ∞(Gd(C5H5)2Br).
Authors: LAMBERTS W. , LUEKEN H. , ELSENHANS U.
Published: May 2016

Gd(C5H5)2Br is found to crystallize either as dimers (I) or as infinite one‐dimensional polymers (II) with double chain structure resulting from sublimation at higher temperature.
ChemInform Abstract: Electrochemical Switching in Anthraquinone‐Substituted Carbon‐Pivot Lariat Ethers and Podands: Chain Length Effects in Geometric and Electronic Cooperativity.
Authors: GUSTOWSKI D. A. , DELGADO M. , GATTO V. J. , ECHEGOYEN L. , GOKEL G. W.
Published: May 2016

Most of the podands (IV)‐(VI) are synthesized by nucleophilic substitution on (IIb).
ChemInform Abstract: Synthesis of (Racemization Prone) Optically Active Thiols by SN2‐Substitution Using Cesium Thiocarboxylates.
Authors: STRIJTVEEN B. , KELLOGG R. M.
Published: May 2016

The sterically defined mesylates (I) react with the cesium thiocarboxylates (II) to yield the inverted thiocarboxylates (III) which are hydrolyzed to give the thiols (IV); the thiols (V) or (VI) are obtained in an analogous manner.
ChemInform Abstract: Extent of Charge Transfer in the Photoreduction of Phenyl Ketones by Alkylbenzenes.
Authors: WAGNER P. J. , TRUMAN R. J. , PUCHALSKI A. E. , WAKE R.
Published: May 2016

Rate constants for triplet‐state reaction of various ring‐substituted trifluoroacetophenones (I), benzophenones (II), and acetophenones (III) with toluene and/or p‐xylene have been determined by a combination of flash kinetics, steady‐state quenching, and quantum yield measurements.
ChemInform Abstract: Novel Photoreactions of Methyl 2,3‐Diphenyl‐2‐cyclopropenoate.
Authors: KOSTIKOV R. R. , KISELEV M. YU. , MOLCHANOV A. P. , DE MEIJERE A.
Published: May 2016

The photoreaction of the title compound (I) proceeds via (2 + 2) cycloaddition to give the tricyclohexanes (II) and (III) or via intermolecular reaction of the alkenic double bonds to yield the bis‐cyclopropanes (IV) and (V) or, via ring enlargement, the furan (VI).
ChemInform Abstract: Stereochemical and Mechanistic Studies of the “Suicide” Event in Biomimetic P‐450 Olefin Epoxidation.
Authors: COLLMAN J. P. , HAMPTON P. D. , BRAUMAN J. I.
Published: May 2016

The epoxidation of the olefins (I) in the presence of the porphine (II) depends on the olefin structure and leads to the N‐alkylporphine of type (III) which is associated with the appearance of green pigments.
ChemInform Abstract: Ruthenium‐Catalyzed Amidation of Nitriles with Amines. A Novel, Facile Route to Amides and Polyamides.
Authors: MURAHASHI S.‐I. , NAOTA T. , SAITO E.
Published: May 2016

The ruthenium‐catalyzed condensation of the nitriles (I) with the amines (II) affords the amides (III).
ChemInform Abstract: Main Group Metal Chemistry. Reaction of 3,3‐Dialkyl‐1‐bromoallenes with Aluminum, Zinc, and Magnesium Reagents.
Authors: CAPORUSSO A. M. , LARDICCI L. , DA SETTIMO F.
Published: May 2016

The reaction between the pentadiene (Ia) and the isobutyl compounds (IV) of main group metals yields the products of alkylation ((IIa) and (IIIa)), reduction ((V) and (VI)) and elimination ((VII)) with chemo‐ and regioselectivity depending on the nature of the organometallic reagents.
ChemInform Abstract: Reactions of Alkyl Isothiocyanates with Dianions of Cyclic Thioureas.
Authors: MATSUMURA N. , TOMURA M. , MANDO R. , TSUCHIYA Y. , YONEDA S.
Published: May 2016

The reaction of the dianions generated from (I) with isothiocyanates (II) yields mixtures of the products (III)‐(VI) (discussion of the mechanisms involved).
ChemInform Abstract: Carbon Monosulfide Chemistry in Solution. Part 5. Chlorotrithioperformates ‐ a New Class of Compounds. Preparation and Some Applications.
Authors: MOLTZEN E. K. , JENSEN B. , SENNING A.
Published: May 2016

Addition of the thiosulfenyl chlorides (I) to carbon monosulfide (II) ‐ generated by dissociation of CS2 by a high voltage AC discharge ‐ yields the title compounds (III), which are chlorinated to give the dichloromethanesulfenyl chlorides (V) (in the case of (Va), (VI) is obtained additionally in 12% yield).
ChemInform Abstract: Heptafulvalene‐3,4‐dione, a Novel p‐Tropoquinone Methide‐Type Compound.
Authors: TAKAHASHI K. , NAMEKATA N. , TAKASE K.
Published: May 2016

The tropylium tropolone salt (I) reacts with triethylamine to produce the deep blue dione (II) which is only stable in polar solvents.
ChemInform Abstract: New Mesogens with Six, Four, or Three Paraffinic Chains.
Authors: MALTHETE J. , TINH N. H. , LEVELUT A. M.
Published: May 2016

Methyl gallate (Ia) reacts with the benzylchloride (II) to give the ether (Ib) which is converted to the new phasmidic compound (V) by hydrolysis and esterification.
ChemInform Abstract: A Novel Synthesis of (3R,4R)‐4‐Acetoxy‐3‐((R)‐1‐(tert‐butyldimethylsilyloxy)ethyl)‐2‐azetidinone, the Versatile Key Intermediate of Carbapenem Synthesis, from (S)‐Ethyl Lactate.
Authors: ITO Y. , KAWABATA T. , TERASHIMA S.
Published: May 2016

(S)‐Ethyl lactate (I) is converted to the compounds (IV).
ChemInform Abstract: Chemistry of 1,8‐Substituted Naphthalenes. Part 17. Synthesis and Heterocyclization of peri Acetylamino Substituted Naphthaldehydes.
Authors: MEZHERITSKII V. V. , MINYAEVA L. G.
Published: May 2016

The formylation reaction of the naphthalene (I) affords the 2‐hydroxybenzo(c,d)indole (II), probably via 1‐acetylamino‐5‐methoxy‐8‐formylnaphthalene.
ChemInform Abstract: Asymmetric Nitrogen. Part 51. Synthesis and Optical Activation of 1,6‐Diazabicyclo(3.1.0)hexane‐5‐carboxylic Acid and Its Derivatives.
Authors: SHUSTOV G. V. , DENISENKO S. N. , ZOLOTOI A. B. , D'YACHENKO O. A. , ATOVMYAN L. O. , KOSTYANOVSKII R. G.
Published: May 2016

Separation of the enantiomeric diazabicyclohexanecarboxylic acid (±)‐(II) (prepared from its methylester (I)) is achieved by crystallization of the 1‐ephedrine salts from benzene/acetonitrile.
ChemInform Abstract: Inner Salts of Cation‐Radicals of Tetrafulvalene Carboxylic Acids: Synthesis and Properties.
Authors: KREITSBERGA YA. N. , NEILAND O. YA.
Published: May 2016

The title compounds (II) are obtained by oxidation of the tetrathiafulvalenium salts (I) or of the tetrathiafulvalene carboxylic acids (III).
ChemInform Abstract: Asymmetric Nitrogen. Part 52. Nucleophilic Substitution at the Nitrogen Atom of N‐Chloro‐N‐alkoxyamides.
Authors: RUDCHENKO V. F. , UGNOTOV S. M. , NOSOVA V. S. , CHERVIN I. I. , KOSTYANOVSKII R. G.
Published: May 2016

N‐Methoxyisoxazolidinedicarboxylic acid dimethylester (I) is treated with thionyl chloride to give the N‐chloro compound (II) which is transformed into the isoxazolidine (III) by sulfite.
ChemInform Abstract: Structures of 1‐Vinyl‐2‐ and ‐4‐pyridones (and Quinolones) According to 1H and 13C NMR Data.
Authors: AFONIN A. V. , ANDRIYANKOV M. A. , PERTSIKOV B. Z. , VORONOV V. K.
Published: May 2016

The preparation of the compounds (II) and (VIII) has been described earlier.
ChemInform Abstract: Syntheses and Pharmacological Activities of 2‐(Substituted Phenoxymethyl)morpholine Derivatives.
Authors: MURO T. , YUKI H. , KAWAKITA T. , CHIHARA Y. , YASUMOTO M. , SETOGUCHI S. , ANAMI K. , SETOGUCHI M.
Published: May 2016

The morpholines (VIII) mentioned in the title are synthesized from the epoxides (I) via two pathways shown in the reaction scheme.
ChemInform Abstract: Synthesis of the First Highly Potent Bridged Nicotinoid. 9‐Azabicyclo(4.2.1)nona(2,3‐c)pyridine (Pyrido(3,4‐b)homotropane).
Authors: KANNE D. B. , ASHWORTH D. J. , CHENG M. T. , MUTTER L. C. , ABOOD L. G.
Published: May 2016

The epoxide (I) is converted to the trans‐benzylamino alcohol (III) which undergoes aminomercuration and demercuration to give the bicyclic amino alcohol (IVa).
ChemInform Abstract: Choline Analogues in the Vinyl Phosphate Series.
Authors: GOLOLOBOV YU. G. , OGANESYAN A. S.
Published: May 2016

The choline analogue (III) is prepared from the (3‐chloropropenyl)phosphate (I) by reaction with trimethylamine and thermal elimination of ethyl chloride.
ChemInform Abstract: On the Synthesis of N‐(Methanephosphonylmethyl)aminoacetic Acid.
Authors: GOLOVANOV A. V. , MASLENNIKOV I. G. , MEDVEDEV A. E. , LAVRENT'EV A. N.
Published: May 2016

The title compound (III) is obtained by reacting the phosphinate (I) with glycine (II).
ChemInform Abstract: Two Directions in the Reaction of γ‐Chlorobutyramides with Triethyl Phosphite.
Authors: GUREVICH P. A. , MOSKVA V. V. , KLIMENTOVA G. YU.
Published: May 2016

The butyramides (Ia) and (Ib) react with triethyl phosphite (II) to give the phosphites (III) and the phosphonates (IV), whereas (Ic) and (II) only yield (IVc).
ChemInform Abstract: Reactions of the Hydrolyzed Phosphazene N3P3(OCH2CF3)5ONa.
Authors: LANOUX S. , MAS R. H.
Published: May 2016

The title compound (I) reacts with the acyl and sulfonyl chlorides (II) to yield the derivatives (III).
ChemInform Abstract: Thiol as an Electron Donor in Molybdenum Oxo‐Transferase Analogue Reaction Systems: Observations by 19F NMR Spectroscopy and Biological Implications.
Authors: CARADONNA J. P. , HARLAN E. W. , HOLM R. H.
Published: May 2016

The Mo complexes (I) and (II) are structural representatives of certain enzyme sites.
ChemInform Abstract: The Preparation and Some Properties of 1,4,7‐Trithia(7)‐ and 1,5,9‐Trithia(9)ferrocenophanes and Their Copper(I), Silver(I), Mercury(II), and Palladium(II) Complexes.
Authors: SATO M. , SUZUKI K. , AKABORI S.
Published: May 2016

The trithia(9)ferrocenophane (II) is prepared and reacts, as does the previously synthesized trithia(7)ferrocenophane, with some metal salts to yield the complexes (VI)‐(VIII).
ChemInform Abstract: Dinuclear Copper(II) Complexes of Macrocycles Providing Endogenous Bridges: an Unusual Environment for the Perchlorate Anion.
Authors: BAILEY N. A. , FENTON D. E. , MOODY R. , RODRIGUEZ DE BARBARIN C. O. , SCIAMBARELLA I. N. , LATOUR J.‐M. , LIMOSIN D.
Published: May 2016

The coordination of the Cu(II) ions in the paramagnetic macrocyclic complexes (I) and (II) is determined by X‐ray analysis and discussed.
ChemInform Abstract: Synthesis of Oroidin.
Authors: DE NANTEUIL G. , AHOND A. , POUPAT C. , THOISON O. , POTIER P.
Published: May 2016

The title compound (VIII), isolated from several sponges, is prepared starting from the alcohol (I) or the aldehyde (X), which in turn is obtained from (I) by literature methods.
ChemInform Abstract: A Convenient Synthetic Route to (+)‐Faranal: The Trail Pheromone of Pharaoh′s Ant.
Authors: POPPE L. , NOVAK L. , KOLONITS P. , BATA A. , SZANTAY C.
Published: May 2016

The synthesis of (+)‐faranal (IV) is described.
ChemInform Abstract: Sol‐Gel‐Derived Soda‐Lime‐High‐Silica Glass.
Authors: VARSHNEYA A. K. , SUH N.
Published: May 2016

Glasses with 85 to < 100% SiO2 content have been prepared from sols containing tetraethyl orthosilicate, MeONa, and Ca metal dissolved in HClO4.
ChemInform Abstract: Crystal Structure of Ba2Zn7F18.
Authors: RENAUDIN J. , FEREY G. , DE KOZAK A. , SAMOUEL M.
Published: May 2016

The three‐dimensional network of the title compound (P1, Z=1) contains groups of three and four edge‐sharing ZnF6 octahedra which are connected by common corners.
ChemInform Abstract: Calcium as an Acceptor Impurity in BaTiO3.
Authors: HAN Y. H. , APPLEBY J. B. , SMYTH D. M.
Published: May 2016

The equilibrium electrical conductivity of polycrystalline, Ca‐doped BaTiO3 has been studied over the O2 partial pressure range 1·10‐13‐1·105 Pa and the temp. range 800‐1000 °C. If CaO is substituted for a corresponding amount of the TiO2 content, i.e., BaTi1‐xCaxO3‐x, or if the excess CaO is added to stoichiometric BaTiO3, i.e., BaCaxTiO3+x, the equilibrium conductivity shows strong evidence for acceptor‐doped behavior, whereas a CaO for BaO substitution has little effect.
ChemInform Abstract: Dissociation Equilibria in Molten Cryolite: The Presence of AlF2‐ 5 Ions.
Authors: FENG N. X. , KVANDE H.
Published: May 2016

Model calculations using liquidus temp. and thermodynamic data from the literature indicate that the most probable dissociation reaction of molten cryolite may be the reaction outlined in the scheme.
ChemInform Abstract: Stress Corrosion Cracking at Constant Load of 304L Stainless Steel in Molten NaCl‐CaCl2 at 570 °C.
Authors: ATMANI H. , RAMEAU J. J.
Published: May 2016

Creep tests of 304L stainless steel in molten chloride solution involves intergranular stress corrosion cracking.
ChemInform Abstract: Thermal Decomposition of Solid Sodium Bicarbonate
Authors: BALL M. C. , SNELLING C. M. , STRACHAN A. N. , STRACHAN R. M.
Published: May 2016

has been studied in the temp. range 360‐500 K in N2 and CO2.
ChemInform Abstract: New Diolefinic Laser Dyes: 1,4‐Bis(β‐pyrazinyl‐2‐vinyl)benzene (BPVB).
Authors: EBEID E.‐Z. M. , ISSA R. M. , EL‐DALY S. A. , SABRY M. M. F.
Published: May 2016

The title dye (I), prepared according to the general condensation procedure reported (no details given), in ca. 10‐3 mol/dm DMSO solution gives laser emission in the range 417‐498 nm (λmax = 438 nm) on pumping with a nitrogen laser (λex = 337.1 nm).
ChemInform Abstract: Palladium‐Catalyzed Propargylic vs. Allylic Alkylation.
Authors: KEINAN E. , BOSCH E.
Published: May 2016

The relative reactivity of allylic and propargylic acetates (I) ‐ (IV) towards palladium‐catalyzed substitution by various nucleophiles like (V), (VI), or (VII) is studied.
ChemInform Abstract: The Diene Component in the Cation Radical Diels‐Alder
Authors: REYNOLDS D. W. , BAULD N. L.
Published: May 2016

(extensive study with 13 different dienes, such as (II), of Diels‐Alder vs.
ChemInform Abstract: Stereochemical Analysis of an Aromatic Triplet Di‐π‐methane Rearrangement.
Authors: SCHOLL B. , HANSEN H.‐J.
Published: May 2016

It is shown that the (‐)‐(S)‐aniline (I), on direct irradiation in MeCN, undergoes in its lowest‐lying triplet state an aromatic di‐π‐methane (ADPM) rearrangement to yield the products (IIa) + (IIb) in the initial ratio and optical yield (o.y.) shown in the scheme.
ChemInform Abstract: Cumulene‐Diene Rearrangement in the Reaction of Tetrakis(trifluoromethyl)allene and N‐Phenyl‐bis(trifluoromethyl)ketenimine with Nucleophiles.
Authors: GAMBARYAN N. P. , DEL'TSOVA D. P. , LIVSHITS V. A. , TER‐GABRIELYAN E. G.
Published: May 2016

Tetrakis(trifluoromethyl)allene (I) reacts with the tetraalkylaminals (II) to give the 1,3‐dienes (III).
ChemInform Abstract: Putative Electrocyclic Reaction of Cyclobutene Radical Cation. 1,2‐Diphenyl‐3,3,4,4‐tetramethylcyclobutene.
Authors: KAWAMURA Y. , THURNAUER M. , SCHUSTER G. B.
Published: May 2016

Thermolysis of the title cyclobutene (II) (neat, 170 °C) leads cleanly to the butadiene (I) (half‐life ca 30 min, corresponding to a ΔG≠ of ca. 25 kcal/mol).
ChemInform Abstract: Isolation of Photo‐Diels‐Alder Mono‐Adducts of 4,6‐Dimethyl‐2‐pyrone and Formation of Cross‐Adducts.
Authors: SHIMO T. , YOSHIMURA H. , UEMURA H. , SOMEKAWA K. , TSUGE O.
Published: May 2016

Photochemical cycloaddition of the dimethylpyrone (I) and the dienophiles (II) yields the tricyclic lactones (III) which react with acrylonitrile (IV) and p‐benzoquinone (VII), forming the cross‐adducts (V), (VI), and (VII).
ChemInform Abstract: Radical Ions in Photochemistry. Part 17. Photosensitized (Electron Transfer) Carbon‐Carbon Bond Cleavage of Radical Cations. The Diphenylmethyl System.
Authors: OKAMOTO A. , SNOW M. S. , ARNOLD D. R.
Published: May 2016

Solutions of (I)‐(VIII) and the photosensitizer 1,4‐dicyanobenzene in MeOH‐MeCN (1:3) are degassed and then irradiated through a Pyrex filter using a medium‐pressure mercury lamp, usually at 10 and 80 °C. Only (I), (II), (VII), and (VIII) give Ph2CH2 + an ether or acetal such as Me‐O‐CH2‐O‐Me in the case of (VIII).
ChemInform Abstract: Polymer‐Supported Reagents. Part 4. Oxidation of Alcohols by Complex Chromates, Soluble Models and Supported Species.
Authors: BRUNELET T. , JOUITTEAU C. , GELBARD G.
Published: May 2016

The oxidation of alcohols with chromium trioxide in the presence of stoichiometric or catalytic amounts of quaternary ammonium salts is described.
ChemInform Abstract: Reactions of Trialkylborane. Part 6. Reduction of Carbonyl Compounds with Trialkylborane.
Authors: NOSE A. , KUDO T.
Published: May 2016

The reduction of carboxylic acids and derivatives with the trialkylboranes (II) is described.
ChemInform Abstract: Regioselectivity and Deuterium Isotope Effects in Geraniol Hydroxylation by the Cytochrome P‐450 Monooxygenase from Catharanthus roseus (L.) G. Don.
Authors: FRETZ H. , WOGGON W.‐D.
Published: May 2016

The hydroxylation of geraniol (Ia) by cytochrome P‐450 (P‐450Cath.) from the subtropical plant Catharanthus roseus (L.) G. Don is optimized to give 8‐hydroxygeraniol (II) as the sole product.
ChemInform Abstract: Hydrogen Transfer Reactions. Part 9. Synthesis and Analytics of Selectively Deuterated 1,4‐Cyclohexadienes and 1,4‐Dihydronaphthalenes.
Authors: BROCK M. , HINTZE H. , HEESING A.
Published: May 2016

Diels‐Alder reaction of the selectively deuterated dienes (I) with the chloroacrylic acid (II) followed by CO2 and HCl elimination gives the cyclohexadienes (III).
ChemInform Abstract: Lactam Acetals: Potential Enamine Synthons in Heterocyclic Synthesis. Part 1. The Lactam Acetal/Ketene N,O‐Acetal System in 1,3‐Dipolar Cycloadditions.
Authors: MOEHRLE H. + , DWULETZKI H.
Published: May 2016

Lactam acetals (I) are transformed to cyclic ketene N,O‐acetals (II) and react with 1,3‐dipoles such as (III), (VII) or (XI), (XII) (each generated in situ) to give the primary addition compounds (IV), (V), (IX) and/or the products (VI), (VIII), (X), (XIII) formed from the latter species by elimination of alcohol.
ChemInform Abstract: Nucleophilic Attacks on Carbon‐Carbon Double Bonds. Part 33. Approaching the Retention Region from the Stereoconvergence Region in Nucleophilic Substitution of (E)‐ and (Z)‐Methyl p‐Substituted α‐Formyland α‐(tert‐Butoxycarbonyl)‐β‐halocinnamates.
Authors: RAPPOPORT Z. , GAZIT A.
Published: May 2016

The mechanism and the stereochemistry of the nucleophilic substitution of the E‐ and Z‐vinyl halides (II) and (IV) with p‐cresolate and p‐toluenethiolate anions are investigated.
ChemInform Abstract: On the Reaction of Metallated Acetylenes and Allenes with Carbon Disulfide. Influence of the Alkali Metal Counter‐Ion and the Substituents in the Acetylene and Allene on the Course of the Reaction.
Authors: DE JONG R. L. P. , BRANDSMA L.
Published: May 2016

The methylacetylenes (Ia) and (Ib) react with butyl lithium to give the anions (II).
ChemInform Abstract: New Derivatives of 1,6‐Methano(10)annulene by Rearrangement of Trimethylsilyl Groups.
Authors: NEIDLEIN R. , WIRTH W.
Published: May 2016

Oxidation of the tetraenes (I) yields the title compounds (II).
ChemInform Abstract: Studies in the Cycloproparene Series: 1,1‐Dichloro‐1H‐cyclopropa(l)phenanthrene.
Authors: DENT B. R. , HALTON B.
Published: May 2016

Addition of dichlorocarbene to the phenanthrenes (I) yields the cyclopropaphenanthrenes (III).
ChemInform Abstract: Photochemical Intramolecular Acylation of Polycylic Aromatic o‐Dicarboxylic Anhydrides.
Authors: BUNTE R. , GUNDERMANN K.‐D. , LEITICH J. , POLANSKY O. E. , ZANDER M.
Published: May 2016

The thermal Diels‐Alder reaction between the polycycle (I) and maleic anhydride (II) according to method B) is known to yield the carboxylic anhydrides (III) ‐ the main product ‐ and (IV).
ChemInform Abstract: Chemistry of the 3a,7a‐Dihydro‐1H‐indole Esters. Aromatization by Bromine.
Authors: LEE C. K. , AHN Y. M. , LEE I.‐S. H.
Published: May 2016

The title compounds (III) are prepared in order to study their reactions with Br2.
ChemInform Abstract: Synthesis of 4‐(4‐Indolyl)‐3‐oxobutanoic Acid Derivatives from 5‐Halo‐ 4‐oxo‐4,5,6,7‐tetrahydroindoles.
Authors: MATSUMOTO M. , WATANABE N.
Published: May 2016

Reaction of the acetoacetates (II) with the halotetrahydroindolones (I) and subsequent dehydration of the alcohols formed, give the allylbromides (III) which are dehydrohalogenated, yielding the indolyloxobutanoic esters (IV).
ChemInform Abstract: Chemistry of Sulfonylmethyl Isocyanides. Part 30. A New Synthesis of Indoles by Electrocyclic Ring Closure of Dialkenylpyrroles. Synthesis of Alkenylpyrroles from 1‐Tosylalkenyl Isocyanides and Michael Acceptors.
Authors: MOSKAL J. , VAN LEUSEN A. M.
Published: May 2016

The anions, generated from the tosylalkenyl isocyanides (I), react with the unsaturated ketones (II), yielding the alkenylpyrroles (IIIa) which are methylated to give (IIIb).
ChemInform Abstract: A Novel Preparation of Cyclohepta(b)pyrrol‐2‐ones.
Authors: GILBERT J. C. , BLACKBURN B. K.
Published: May 2016

The base‐promoted reaction of the diazomethylphosphonate (I) with the anilides (II) yields the cycloheptapyrrolones (III).
ChemInform Abstract: Carbene versus Dimer Formation from Diazo Derivatives: The Anomalous Behaviour of 2‐Diazothiazolines.
Authors: CASTELLS J. , CALAHORRA F. L. , GEIJO F.
Published: May 2016

Oxidation of the thiazolinone hydrazones (III) yields the bis(thiazolinylidene)tetrazenes (VI) as the main products.
ChemInform Abstract: Pyridonecarboxylic Acids as Antibacterial Agents. Part 1. Synthesis and Structure‐Activity Relationship of 1‐Aryl‐6‐(4‐dimethylaminophenyl)‐4‐ pyridone‐3‐carboxylic Acids.
Authors: NARITA H. , KONISHI Y. , NITTA J. , NAGAKI H. , KITAYAMA I. , WATANABE Y. , SAIKAWA I.
Published: May 2016

The 1‐aryl‐6‐(4‐dimethylaminophenyl)‐4‐pyridones (VII) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Large Molecular Cavities for Small Ions. Double Bridging of Three Bipyridine Units.
Authors: GRAMMENUDI S. , VOEGTLE F. +
Published: May 2016

Starting from the nicotinic ester (I) and the triacid (V), respectively, the bridged compound (IX) is prepared (see scheme).
ChemInform Abstract: Synthesis and Renal Vasodilator Activity of Some Dopamine Agonist 1‐Aryl‐2,3,4,5‐tetrahydro‐1H‐3‐benzazepine‐7,8‐diols: Halogen and Methyl Analogues of Fenoldopam.
Authors: WEINSTOCK J. , LADD D. L. , WILSON J. W. , BRUSH C. K. , YIM N. C. F. , GALLAGHER G. JUN. , MCCARTHY M. E. , SILVESTRI J. , SARAU H. M. , FLAIM K. E. , ACKERMAN D. M. , SETLER P. E. , TOBIA A. J. , HAHN R. A.
Published: May 2016

The phenols (I), (IV), or (V) are converted to the amino alcohols (XI) via the amines (III).