bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Halogenation of Phenols and Phenyl Ethers with Potassium Halides in the Presence of 18‐Crown‐6 on Oxidation with m‐Chloroperbenzoic Acid.
Authors: SREBNIK M. , MECHOULAM R. , YONA I. 
Published: May 2016

AbstractSeveral types of phenyl ethers such as (I) undergo mono‐halogenation to give the halogenides (II)‐(IV).
ChemInform Abstract: Anodic Cleavage of Carbon‐Oxygen Bonds in Diaryl Ethers.
Authors: JANISSEK P. R. , PARDINI V. L. , VIERTLER H. 
Published: May 2016

AbstractElectrochemical oxidation of the diaryl ethers (Ib) ‐ (Ii) yields the bisacetals (IIb) ‐ (IIi) as the main products.
ChemInform Abstract: Synthesis and pKa Values of 4,5‐Dinitro‐1,8‐biphenylenediol.
Authors: HINE J. , AHN K. 
Published: May 2016

AbstractNitration of the biphenyls (I) with nitronium tetrafluoroborate (II) gives the nitro derivatives (IIIa) and (IIIb).
ChemInform Abstract: Synthetic Approach to Diterpene Alkaloids. Part 2. Unusual Reaction of Angular Nitromethyl Group with Diazomethane to Give Aldoxime.
Authors: SHIBANUMA Y. , OKAMOTO T. 
Published: May 2016

AbstractThe nitromethylhydrophenanthrone (I) is converted via nitration, hydrogenation and Sandmeyer reaction into the phenol (IV), which reacts with diazomethane to give the desired methyl ether (V), together with two unexpected isomeric aldoximes (VIa) and (VIb).
ChemInform Abstract: Reagent and Synthetic Methods. Part 62. N,N‐Dimethylphosphoramidic Dichloride: A Convenient Reagent for the Preparation of β‐Lactams from Acetic Acids and Imines.
Authors: COSSIO F. P. , GANBOA I. , GARCIA J. M. , LECEA B. , PALOMO C. 
Published: May 2016

AbstractThe imines (II) are coupled with bis(ethylthio)acetic acid (I) in the presence of the phosphoramidic dichloride (III) mentioned in the title to form the bis(ethylthio)‐β‐lactams (IV) which are converted to the diones (V), the lactam (VI) or the dimethoxy derivatives (VII).
ChemInform Abstract: Synthesis of γ‐Hydroxynitriles, γ‐Butyrolactones, and α‐Methylene‐γ‐butyrolactones from Epoxides and Sodium Cyano(triphenylphosphoranylidene)methanide.
Authors: BESTMANN H. J. , SCHMIDT M. 
Published: May 2016

AbstractThe phosphorane (I) is converted to the anion (III) which reacts with the epoxides (IV) to form the cyanophosphoranylidenalkoxides (V).
ChemInform Abstract: Asymmetric Synthesis of Optically Active threo‐ and erythro‐Pyrrolidinylbenzyl Alcohol by the Highly Stereospecific Arylation of (S)‐Proline and the Subsequent Highly Diastereoselective Reduction of the α‐Amino Ketone.
Authors: OOKAWA A. , SOAI K. 
Published: May 2016

AbstractThe optically active amino phenyl ketones (V) can be prepared in good enantiomeric excesses by arylation of the mixed anhydrides (III) from the proline derivatives (I) with the Grignard reagent (IV).
ChemInform Abstract: Ring Transformation Reaction of 1,2,4,5‐Tetrazines into 4‐Aminopyrazoles by Cyanotrimethylsilane.
Authors: TAKAHASHI M. , KIKUCHI H. 
Published: May 2016

AbstractThe tetrazine (Ia) reacts with trimethylsilyl cyanide (II) in refluxing toluene or xylene to give the aminocyanopyrazole (III).
ChemInform Abstract: Azoles. Part 7. A Convenient Synthesis of Thieno(2,3‐d)imidazoles.
Authors: IDDON B. , KHAN N. , LIM B. L. 
Published: May 2016

AbstractThe reaction of the imidazoles (I) with the thiol (II) via thioether intermediates, e.g. (IV), yields the title compounds (III).
ChemInform Abstract: Regiospecific Introduction of Amino‐Alkene Functionality into 1,2,3‐Triols, 1,3‐Dihalogenopropan‐2‐ols, and 2,3‐Dihalogenopropanols Promoted by Fluoride Anion.
Authors: SHIMIZU M. , YOSHIOKA H. 
Published: May 2016

AbstractCyclization of the carbamates (I), (V), and (IX), yielding the oxazolone derivatives (II), (VI), (VII), (Xb), and (XI), is achieved by treatment with tetrabutylammonium fluoride.
ChemInform Abstract: cis‐2‐Iminoperhydrothieno(3,4‐d)thiazole‐5,5‐dioxides.
Authors: KHASKIN G. I. , ROZHENKO A. B. , BEZMENOVA T. E. 
Published: May 2016

AbstractThe phenylaminothiolene dioxide (I) reacts with benzoyl isothiocyanate (II) to give the thiourea (III) which is cyclized upon treatment with alkali, forming the cis‐perhydrothienoimidazolethione dioxide (IV).
ChemInform Abstract: Synthesis and Study of the Radioprotective Properties of Some N‐Allyl‐ N′‐Substituted Thiocarbamide Derivatives.
Authors: MIZRAKH L. I. , POLONSKAYA L. YU. , GVOZDETSKII A. N. , VASIL'EV A. M. , IVANOVA T. M. , LISINA N. I. 
Published: May 2016

AbstractReaction of allyl isothiocyanate (I) with ethylenediamine (II) gives the bisthiourea (III) which is cyclized on heating, producing the bisthiazoline (IV).
ChemInform Abstract: Cyclization of Isothiosemicarbazones. Part 7. Synthesis of N‐Alkenyl‐1,2,4‐triazoles with Anti‐Saytzeff Orientation.
Authors: YAMAZAKI C. , SAKAI M. , MIYAMOTO Y. , SUZUKI N. 
Published: May 2016

AbstractOn treatment with AcOH the semicarbazones (I) eliminate ethyl cyanoacetate to afford the title triazoles (II).
ChemInform Abstract: Nitration of 4‐Methyl‐5,6‐dihydro‐2H‐pyran and Some Problems of Synthesis and Isomerization of Nitro Derivatives in the Dihydropyran Series.
Authors: SARGSYAN M. S. , MKRTUMYAN S. A. , GEVORKYAN A. A. 
Published: May 2016

AbstractReaction of 4‐methyl‐5,6‐dihydro‐2H‐pyran (I) with acetyl nitrate gives mixtures of the addition and substitution products (II) ‐ (V).
ChemInform Abstract: Styryls of the α‐Pyrylium Series and Nature of Their Absorption Bands.
Authors: BOIKO I. I. , BOIKO T. N. , TOLMACHEV A. I. , GAVRILYUK I. M. , KACHKOVSKII A. D. 
Published: May 2016

AbstractThe pyrylium salts (I) are coupled with the benzaldehydes (II) to give the styrylpyrylium salts (III).
ChemInform Abstract: Interaction of Some 2‐Hydroxybenzylpiperidines with Dopamine Receptors.
Authors: CARDELLINI M. , CLAUDI F. , PERLINI V. , BALDUINI W. , CATTABENI F. , CIMINO M. 
Published: May 2016

AbstractThe phenylacetonitriles (I) are coupled with 2‐chloropyridine (II) to form the (2‐pyridyl)acetonitriles (III).
ChemInform Abstract: Enhanced Reactivity of Iminium Ions as Heterodienophiles in Lewis Acid Mediated (4+2)Cycloaddition Reactions.
Authors: RYAN K. M. , REAMER R. A. , VOLANTE R. P. , SHINKAI I. 
Published: May 2016

AbstractThe trimeric imine (I) is converted to the iminium salts (II) and (III).
ChemInform Abstract: Synthesis of 10‐Hydroxy‐1‐carboxy‐3‐arylbenzo(f)quinoline‐8‐sulfonic Acids.
Authors: LETUNOV V. I. 
Published: May 2016

AbstractThe benzoquinoline derivatives (IV) are obtained by Döbner reaction of 2‐amino‐8‐naphthol‐6‐sulfonic acid (I) with the aromatic aldehydes (II) and pyruvic acid (III).
ChemInform Abstract: Synthesis of Chiral 5‐Deazaflavin Derivatives and Their Use in Asymmetric Reduction of Ethyl Benzoylformate.
Authors: TANAKA K. , KIMURA T. , OKADA T. , CHEN X. , YONEDA F. 
Published: May 2016

AbstractThe chiral dihydrodeazaflavines (IXa) and (IXb) are prepared as outlined in the reaction scheme.
ChemInform Abstract: New Xanthine Derivatives with Potent and Long Lasting Anti‐Bronchoconstrictive Activity.
Authors: REGNIER G. L. , GUILLONNEAU C. G. , DUHAULT J. L. , TISSERAND F. P. , SAINT‐ROMAS G. , HOLSTORP S. M. 
Published: May 2016

AbstractThe new xanthine derivatives (VI) and (IX)‐(XII) are prepared by methods similar to those shown in the scheme for (VIa)‐(VIc).
ChemInform Abstract: Synthesis and Pharmacological Activity of 1‐Phenoxy‐3‐aminopropanol‐2 Derivatives.
Authors: GLOZMAN O. M. , ORLOVA E. K. , AGAVELYAN E. S. , ISMAILOV SH. I. , NEROBKOVA L. N. , VORONINA T. A. , ZAGOREVSKII V. A. 
Published: May 2016

AbstractThe title compounds (IV), (VII), (VIII), and (X) are prepared from the phenols (I) and (V) or the azo compounds (IX) as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Biological Activity of Dispirotripiperazinium Derivatives.
Authors: CHERNOV G. A. , LISINA N. I. , KARIMOVA N. M. , KIL'DISHEVA O. V. , KNUNYANTS I. L. 
Published: May 2016

AbstractThe dispirotripiperazinium salts (I) and (IV) are transformed into the derivatives (III), (VI), (VIII), and (X) as shown in the reaction scheme.
ChemInform Abstract: Ethyl 2‐Chloro‐3,3‐dicyanoacrylate, a Versatile Reagent in the Synthesis of Heterocycles.
Authors: RIED W. , BELLER G. 
Published: May 2016

AbstractReaction of the acrylic ester (I) mentioned in the title with the nucleophilic agents (II), (IV), or (VI) produces the heterocycles (III), (V), and (VII).
ChemInform Abstract: Synthesis of Some Hexahydroazocino(4,3‐b)indoles, a Tetra‐ and Two Hexahydropyrrolo(1′,2′:1,2)pyrrolo(3,4‐b)indoles, and a Tetrahydropyrrolo(2′,1′:5,1)imidazo(3,4‐a)indole. Crystal Structure Determination of 1,2,3,4‐Tetrahydro‐2‐phenoxycarbonyl‐7‐phenylsulfonylazocino(4,3‐b)indol‐6(5H)‐one.
Authors: STREET J. D. , HARRIS M. , BISHOP D. I. , HEATLEY F. , BEDDOES R. L. , MILLS O. S. , JOULE J. A. 
Published: May 2016

AbstractIn the quest for a synthesis of the alkaloid apparicine the title compound (VIIa) is prepared starting from the indole (I) via intramolecular Mannich reaction of the reduced intermediate (III).
ChemInform Abstract: The Synthesis and Properties of Three Isomers of 1‐Troponyl‐1H‐1,2‐diazepine.
Authors: MIYANO H. , NITTA M. 
Published: May 2016

AbstractReaction of the 2‐substituted tropones (I) with 1,2‐diazepine tricarbonyliron (II) yields the isomeric products (III) ‐ (V).
ChemInform Abstract: Formation of Macroheterocycles by Condensation Reaction of o‐Phenylenediamine with Substituted Acroleines.
Authors: YATLUK YU. G. , SUVOROV A. L. 
Published: May 2016

AbstractThe tetraaza(14)annulenes (V) are synthesized from o‐phenylenediamine (I) and the acroleine derivatives (II) via the condensation products (III) and (IV).
ChemInform Abstract: Aromatic Derivatives of 2,3‐Dihydro‐1H‐pyrazolo(4,5‐b)‐1,5‐diazepine.
Authors: ORLOV V. D. , KIROGA KH. , KOLOS N. N. 
Published: May 2016

AbstractReaction of 4,5‐diaminopyrazole (I) with the chalcones (II) or 4‐substituted acetophenones (IV) in the presence of acetic or sulfuric acid gives the 2,3‐dihydropyrazolodiazepines (III) and (V).
ChemInform Abstract: Umpolung in Allylic Phosphonates. Regioselective Reaction of Acetoxy Allylic Phosphonates with Nucleophiles Catalyzed by Palladium(0) Complex.
Authors: ZHU J. , LU X. 
Published: May 2016

AbstractThe allylphosphonates (I) react with the nucleophiles (II) in the presence of a Pd catalyst to give the substitution products (III) ‐ (V).
ChemInform Abstract: The B.A.S.I.C. (Bino‐Ansa‐Spiro‐In‐Cyclophosphazenes) System. Part 1. New Derivatives of the Bis(tetrachlorocyclotriphosphazenyl)spermine.
Authors: WILLSON M. , LAFAILLE L. , VIDAUD L. , LABARRE J.‐F. 
Published: May 2016

AbstractThe bis(spirocyclophosphazenes) (IIIa) ‐ (IIIc) are prepared by reaction of the cyclophosphazenes (I) with spermine (II).
ChemInform Abstract: Syntheses, X‐Ray Structures, and Properties of Complexes of Macrocyclic Hexaimines with Lanthanoid Nitrates.
Authors: ARIF A. M. , BACKER‐DIRKS J. D. J. , GRAY C. J. , HART F. A. , HURSTHOUSE M. B. 
Published: May 2016

AbstractThe lanthanoid complexes (IV) are prepared by the template condensation according to the scheme.
ChemInform Abstract: Reactivity of (C5Me5)2Sm with Cyclopentadiene and Cyclopentadienide: Isolation of the Mixed‐Valent Complex (C5Me5)2Sm(III)(μ‐C5H5)Sm(II)(C5Me5)2.
Authors: EVANS W. J. , ULIBARRI T. A. 
Published: May 2016

AbstractThe title compound (I) react with excess of cyclopentadiene (II) to form the η5‐cyclopentadienyl‐Sm(III) derivative (III).
ChemInform Abstract: Synthesis, Structure, and Reactions of a Zirconocene‐Benzdiyne Complex.
Authors: BUCHWALD S. L. , LUCAS E. A. , DEWAN J. C. 
Published: May 2016

AbstractWhereas the thermolysis of (III) in the presence of trimethylphosphine yields a mixture of isomers as shown by 1H NMR, the analogously prepared derivative (IX) forms (X) and (XI).
ChemInform Abstract: Chemistry of 2,3‐Dihydro‐2‐metallaphenalenes. Part 2. Formation of Cyclic (CHMMe2C(MMe3)C10H6)x via Base Decomposition of (1,8‐(Me3MCH2)2C10H6)y (M: Ge, x = 2‐, y = 0; M: P, x = 0, y = 2+); Crystal Structures of the Novel Cyclic Bis‐ylide CHPMe2C(PMe3)C10H6 and of a Distorted peri‐Ylide, 1‐Me‐8‐(Me3PCH)C10H6.
Authors: ENGELHARDT L. M. , PAPASERGIO R. I. , RASTON C. L. , SALEM G. , WHITAKER C. R. , WHITE A. H. 
Published: May 2016

AbstractAbstraction of protons from (III) (derived from a Grignard in situ trapping reaction) by treatment with a Li salt yields via (IV) the heterocyclic dianion (V), which is converted to the germaphenylene (VI).
ChemInform Abstract: Preparation and Partial Oxidation of Tin(II) Trifluoroacetate: Spectroscopic Properties and X‐Ray Crystal Structure of Di‐μ3‐oxo‐octakis‐μ‐trifluoroacetatotetratin(II)tin(IV).
Authors: BIRCHALL T. , FAGGIANI R. , LOCK C. J. L. , MANIVANNAN V. 
Published: May 2016

AbstractPure Sn(II) trifluoroacetate (IV) which probably has a polymeric structure with bridging trifluoroacetates is prepared as shown and characterized by 119Sn Mößbauer and vibrational spectroscopy.
ChemInform Abstract: Tin(IV) and Organotin(IV) Adducts of Bis(1‐pyrazolyl)methane.
Authors: GIOIA LOBBIA G. , CINGOLANI A. , LEONESI D. , LORENZOTTI A. , BONATI F. 
Published: May 2016

AbstractThe title ligand (I) reacts with the Sn(IV) halides (II) to give the adducts (III).
ChemInform Abstract: Synthesis of (η‐Cyclopentadienyl)(trimethylphosphine)tungsten Derivatives and Related Chemistry.
Authors: GREEN M. L. H. , PARKIN G. 
Published: May 2016

AbstractThe W compounds (I), (V), (VII), (VIII), (IXa), (X), (XI), and (XIII) are synthesized by new or improved methods according to the scheme.
ChemInform Abstract: Reaction of Alkyne with W‐S Systems: Synthesis and Characterization of Dinuclear W(V) Dithiolene Complex, (Et4N)2(W2O2(μ‐S)2(S2C2(COPh)2)2).
Authors: ANSARI M. A. , CHANDRASEKARAN J. , SARKAR S. 
Published: May 2016

AbstractThe title complex (III) is prepared by 1:2 molar reaction of the complex (I) with dibenzoyl acetylene (II) and is characterized spectroscopically (IR, UV, 1H, 13C NMR).
ChemInform Abstract: Preparation, Structure, and Properties of (Ni(S2C2(CF3)2)2)‐ and (Ni(Se2C2(CF3)2)2)‐ Salts with Small Cations.
Authors: HARRIS N. J. , UNDERHILL A. E. 
Published: May 2016

AbstractThe complex Ni(S2C2(CF3)2)2 is reduced to its monoanion by dissolving it in acetone.
ChemInform Abstract: An ESR Study of the Copper(II) Chelate of 2‐(2′‐Pyridylmethylenehydrazonomethyl)phenol and Related Compounds.
Authors: TIRANT M. , SMITH T. D. , PILBROW J. R. , HANSON G. , SINCLAIR G. R. 
Published: May 2016

AbstractThe ESR spectrum of the title complex shows that the chelate of ligand (Ia) is monomeric in DMF at 20 °C, while dimerization occurs in frozen solution.
ChemInform Abstract: Solution Properties of Cu(II)‐L‐α‐Leucinehydroxamic Acid.
Authors: KURZAK B. , KURZAK K. , JEZIERSKA J. 
Published: May 2016

AbstractSpecies distributions and relevant stability constants of species present in aqueous solutions of Cu(II) with bidentate Me2CH‐CH2‐CH(NH2)‐CO‐NH‐OH are obtained by analytical potentiometry at 25 °C and I = 0.1 M (NaClO4).
ChemInform Abstract: Synthesis, Structure, and Spectroscopic Properties of an Unusual Copper(I) Dimer Having Imidazole Ligands. A Model for the Carbonyl Derivative of Hemocyanin and Implications for the Structure of Deoxyhemocyanin.
Authors: SORRELL T. N. , BOROVIK A. S. 
Published: May 2016

AbstractThe tris(imidazole) chelating ligand (V) and its corresponding copper(I) complex (VII) are synthesized as shown in the scheme.
ChemInform Abstract: Reductive Elimination Leading to Transient (η5‐C5Me5)Ru(NO). Trapping, Dimerization, and Oxidative Addition Reactions of This Intermediate and the Effect of Structural Variation on Its Generation.
Authors: CHANG J. , BERGMAN R. G. 
Published: May 2016

AbstractOn heating in benzene, the diphenylnitrosyl‐Ru compound (III) prepared as shown produces the dimers (IV) and (V) along with biphenyl (VI).
ChemInform Abstract: Synthesis and Reactions of ((OC)2Re(μ‐dppm)2(μ‐Cl)2Rh(η2‐C2H4)) (dppm: Ph2PCH2PPh2): Crystal Structure of the 1:2 Chlorobenzene Solvate.
Authors: CARR S. W. , SHAW B. L. , THORNTON‐PETT M. 
Published: May 2016

AbstractThe mer,cis‐Re complex (III) prepared as shown can be readily quaternized by (Me3O)(BF4) on its uncomplexed P atom (yield 92%) and reacts with the Rh dimer (IV) to give the diphosphine‐bridged heteronuclear title complex (Va).
ChemInform Abstract: Substituted Osmium Clusters Containing Labile Ligands. The Preparation, Characterization, and Some Reactions of (Os3H(OR)(CO)9(MeCN)) (R: H, Me, Et, or Ph) and the Isomers of (Os3H(SR)(CO)9(MeCN)) (R: Me, Et, or Ph); the Crystal and Molecular Structure of (Os3H(SPh)(CO)9(PEt3)).
Authors: DITZEL E. J. , GOMEZ‐SAL M. P. , JOHNSON B. F. G. , LEWIS J. , RAITHBY P. R. 
Published: May 2016

AbstractThe OR1‐bridged Os clusters (I) react with Me3NO in MeCN (II) to produce monoacetonitrile derivatives in which the acetonitrile ligand attaches to one of the bridgehead Os atoms and which form two isomers of the monophosphite derivatives (IV) on treatment with P(OMe)3 (III).
ChemInform Abstract: Photochemical Preparation and Reactivity of Platinum(II) Complexes with Oxygen‐Donor Ligands. Description and Synthesis of Di‐μ‐chlorodichlorobis(substituted pyridine)diplatinum(II).
Authors: AUFFRET J. , COURTOT P. , PICHON R. , SALAUEN J.‐Y. + 
Published: May 2016

AbstractThe Pt(II) complexes (III) containing the O‐donor ligands L2 are obtained by irradiation of the ethylene analogues (I) in the appropriate solvent L2.
ChemInform Abstract: Platinum Group Metal Complexes of Bis(2‐(diphenylphosphino)ethyl)benzylamine and Bis(2‐(diphenylarsino)ethyl)benzylamine.
Authors: TAQUI KHAN M. M. , REDDY V. V. S. , BAJAJ H. C. 
Published: May 2016

AbstractThe equimolar reaction of the title ligands (II) with the Rh complex (I), the Ir complex (IV), the Pd complex (V), and the Pt complex (VI) leads to the two different types of complexes (III) and (VII) as shown.
ChemInform Abstract: Synthesis and Crystal Structure of Tetrakis(dimethylsulfoxide) Platinum(II) Bis(trifluoromethanesulfonate).
Authors: ELDING L. I. , OSKARSSON A. 
Published: May 2016

AbstractCrystals of the title complex (I) are prepared by dissolution of Pt(II) hydroxide in a solution of CF3SO3H in DMSO and subsequent evaporation (no yields given).
ChemInform Abstract: A Planar Binuclear Phthalocyanine and Its Dicobalt Derivatives.
Authors: LEZNOFF C. C. , LAM H. , MARCUCCIO S. M. , NEVIN W. A. , JANDA P. , KOBAYASHI N. 
Published: May 2016

AbstractThe isoindolines (I) and (II), prepared from 4‐neopentoxyphthalonitrile and 1,2,4,5‐tetracyanobenzene by reaction with ammonia, cyclize to form the binuclear phthalocyanine (IIIa) which is converted into the dicobalt(II) derivative (IIIb).
ChemInform Abstract: α,β‐Unsaturated Carboxylic Acid Derivatives. Part 23. Syntheses and Esterifications of N‐(tert‐Butoxycarbonyl)‐ and N‐(Benzyloxycarbonyl)‐ α‐dehydroamino Acids.
Authors: YONEZAWA Y. , OBARA T. , SHIN C. 
Published: May 2016

AbstractThe protected amino acids (I) are cyclized with thionyl chloride, forming the anhydrides (II), which are acetylated and then hydrolyzed to give the α‐tert‐butoxycarbonylamino acids (V).
ChemInform Abstract: An Efficacious Synthesis of Aryl and Heteroaryl C‐Glycosides.
Authors: KOZIKOWSKI A. P. , CHENG X.‐M. 
Published: May 2016

AbstractDiels‐Alder cycloaddition of the nitrile oxide, derived from the protected nitro sugar (I) with the allylindole (II) produces the isoxazoline (III) which undergoes Lewis acid catalyzed aromatization reaction after hydrogenation, forming the ribofuranosylcarbazoles (V).
ChemInform Abstract: A Novel Two‐Stage Route to the 2a,5a‐Diazacyclopenta(jk)fluorene Ring System.
Authors: JACKSON A. H. , SHANNON P. V. R. , WILKINS D. J. 
Published: May 2016

AbstractN‐Acetoacetyltryptamine (Ia), prepared from tryptamine and diketene, and the methoxy derivative (Ib) cyclize in the presence of phosphoryl chloride, forming the tetrahydrodiazacyclopentafluorenones (IIa) and (IIb).
ChemInform Abstract: The Conversion of the 2′,3′‐O‐Isopropylidene Derivative of 5‐Amino‐1‐β‐D‐ribofuranosylimidazole‐4‐carboxamide (AICA Riboside) Into 2′,3′‐O‐Isopropylidene‐isoguanosine.
Authors: REESE C. B. , SANGHVI Y. S. , KURODA R. 
Published: May 2016

AbstractIn an attempt to prepare oxanosine, the title compound (I) is converted to the thioureido derivative (IV).
ChemInform Abstract: Synthesis and Biological Activity of 5‐Fluoroalkylthio‐6‐azauridines.
Authors: KOBYLINSKAYA V. I. , DASHEVSKAYA T. A. , SHALAMAI A. S. , SULEIMANOV S. P. , HARCHUK A. N. , PROTOPOPOVA G. V. 
Published: May 2016

AbstractThe azauracils (I) are transformed into the azauridines (VII) and (VIII) via the silyl ethers (IV).
ChemInform Abstract: Synthesis of (3R,4R)‐1,5‐Hexadiene‐3,4‐diol and Its Unsymmetrical Deri‐ vatives: Application to (R)‐(+)‐α‐Lipoic Acid.
Authors: RAO A. V. R. , MYSOREKAR S. V. , GURJAR M. K. , YADAV J. S. 
Published: May 2016

AbstractStarting with the D‐mannitols (I), 1,2‐divinylglycol (IIIa) and its derivatives (IIIb) ‐ (IIId) are prepared.
ChemInform Abstract: Preparation of a Chiral Lactone from Laevoglucosan: A Key Intermediate for Synthesis of the Spiroacetal Moieties of the Avermectins and Milbemycins.
Authors: BAKER R. , BOYES R. H. O. , BROOM D. M. P. , O'MAHONY M. J. , SWAIN C. J. 
Published: May 2016

AbstractIn order to synthesize the spiroacetal moiety of milbemycins and avermectins, the required lactones (V) and the required acetylene (XIIIa) are prepared as shown.
ChemInform Abstract: Total Synthesis of (+)‐Milbemycin β3.
Authors: BAKER R. , O'MAHONY M. J. , SWAIN C. J. 
Published: May 2016

AbstractThe coupling of the iodide (+)‐(III) with the spiroacetal (+)‐(IV), whose synthesis has already been described in the preceding paper, represents the starting step in the synthesis of the synthon (+)‐(VIII).
ChemInform Abstract: Total Synthesis of 6‐Hydroxy‐epi‐PS 5 and 6‐Methoxy‐epi‐PS 5.
Authors: WATANABE A. , FUKAGAWA Y. , ISHIKURA T. , YOSHIOKA T. 
Published: May 2016

AbstractThe title compound (XIIa) is synthesized as shown and isolated as sodium salt (∼ 38% from (XI)).
ChemInform Abstract: New Reactions of 2‐Alkylthiopenems.
Authors: GIRIJAVALLABHAN V. M. , MCCOMBIE S. W. , PINTO P. , LIN S.‐I. , VERSACE R. 
Published: May 2016

AbstractTreatment of the ethylthiopenem (Ia) with sodium hypochlorite in a two‐ phase system yields the chlorothiazolidone (II) as the main product.
ChemInform Abstract: A Humidity Sensor with SrCe0.95Yb0.05O3 Solid Electrolyte for High Temperature Use
Authors: NAGATA K. , NISHINO M. , GOTO K. S. 
Published: May 2016

Abstracthas been developed and tested in O2, air, Ar, and H2 at 873‐1273 K. The EMF of the sensing system described exhibits good reversibility and rapid response to changes of humidity and temperature.
ChemInform Abstract: Constitution of “KPbO2”.
Authors: STOLL H. , HOPPE R. 
Published: May 2016

AbstractOn heating mixtures of K2O2 and PbO react with formation of K2Pb2O4 (K:Pb = 1:1, Ag‐cylinder, 560 °C, 40 d, after cooling (15 °C/h)).
ChemInform Abstract: Crystal and Molecular Structure of Chromium(II) Sulfate Pentahydrate and Single‐Crystal Electronic Spectra and Bonding of CrSO4·5 H2O, CuSO4·5 H2O, and CuSO4·5 D2O.
Authors: HITCHMAN M. A. , LICHON M. , MCDONALD R. G. , SMITH P. W. , STRANGER R. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractCrSO4·5 H2O crystallizes in the triclinic system, space group P1 with Z=2, and is isostructural with the analogous Cu(II) salt.
ChemInform Abstract: Crystal Structures and Vibrational Spectra of Two Isomers of Octadecatungsto‐diarsenate (NH4)6As2W18O62·nH2O.
Authors: NEUBERT H. , FUCHS J. 
Published: May 2016

AbstractTwo isomers of the title compound (α1 and β2) are prepared from acidic aqueous solutions of Na2WO4·2 H2O and As2O5·5/3 H2O. The anion of the α1‐isomer which crystallizes in the space group P1 is shown to have the Dawson‐type structure.