bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: (1S,2S)‐2‐Amino‐1‐aryl‐propane‐1,3‐diols as Convenient Educts for the Synthesis of Homochiral (S,S)‐Norpseudoephedrine.
Authors: BOERNER A. , KRAUSE H. 
Published: May 2016

AbstractThe hydrochloride (+)‐(VIII) of the title compound, which can be used in racemic form as appetite suppressor and special antianalepticum, is prepared by a short and economic procedure starting from (I) and analogously from (IX).
ChemInform Abstract: Xylaral (I), a Hydroxyphthalide Derivative from Fruiting Bodies of Xylaria polymorpha (Ascomycetes).
Authors: GUNAWAN S. , STEFFAN B. , STEGLICH W. 
Published: May 2016

AbstractFruiting bodies of "Dead Man's Fingers" ("Vielgestaltige Holzkeule") contain ca. 0.05% of compound (I), named xylaral, which exhibits a violet color reaction with aqueous NH3.
ChemInform Abstract: Total Synthesis of the Polyether Antibiotic Ionomycin.
Authors: EVANS D. A. , DOW R. L. , SHIH T. L. , TAKACS J. M. , ZAHLER R. 
Published: May 2016

AbstractThe calcium complex (XIV) of the title antibiotic is synthesized via aldol coupling of the fragments (VI) and (XII).
ChemInform Abstract: Preparation of Monolithic Porous Titania‐Silica Ceramics.
Authors: HOSONO H. , SAKAI Y. , FASANO M. , ABE Y. 
Published: May 2016

AbstractMonolithic porous ceramics composed of TiO2 (67 mol%) and SiO2 (33 mol%) are prepared by casting a melt of 15 Na2O·32 CaO·19 TiO2·15 P2O5·19 SiO2 (mol%) and subsequent leaching in 1 N HCl (reflux, 10 h).
ChemInform Abstract: Stoichiometric Catalytic Decomposition of Nitric Oxide Over Cu‐ZSM‐5 Catalysts.
Authors: LI Y. , HALL W. K. 
Published: May 2016

AbstractIt is demonstrated that complete, stoichiometric conversion of NO to N2 and O2 can be achieved over a Cu‐ZSM‐5 catalyst at 773 K using optimized conditions.
ChemInform Abstract: Adducts and Salts Formed by Sulfur Chlorides with AlCl3.
Authors: SAWODNY W. , ROST E. 
Published: May 2016

AbstractAttempts to isolate 2 S2Cl2·AlCl3 fail and it is demonstrated that this adduct is instable at 25 °C. Neither can the adducts S2Cl2·AlCl3 and S2Cl2·2 AlCl3 be prepared under the conditions reported in the literature.
ChemInform Abstract: Isolated Redox Centers within Microporous Environments. Part 2. Vanadium‐Containing Aluminophosphate Molecular Sieve Five.
Authors: MONTES C. , DAVIS M. E. , MURRAY B. , NARAYANA M. 
Published: May 2016

AbstractVanadium‐containing aluminophosphate five (VAPO‐5) is synthesized by heating a gel of composition Pr3N·Al2O3·0.95 P2O5·0.05 V2O5·40 H2O to 150 °C at autogeneous pressure (more than 4 h).
ChemInform Abstract: Correlations Between Magnetism and Structure in Dinuclear CuIIFeIII Complexes with Integer Spin EPR Signals.
Authors: HOLMAN T. R. , ANDERSEN K. A. , ANDERSON O. P. , HENDRICH M. P. , JUAREZ‐GARCIA C. , MUENCK E. + , QUE L. JUN. 
Published: May 2016

AbstractThe structures of the two complexes (I) (space group Pnma or Pna21, Z=4) and (II) (P1, Z=2) are determined and the magnetic susceptibility and EPR spectra are investigated.
ChemInform Abstract: Host‐Guest Complexation. Part 54. Spherands Containing Cyclic Urea Units.
Authors: BRYANT J. A. , HO S. P. , KNOBLER C. B. , CRAM D. J. 
Published: May 2016

AbstractIn the 18‐membered macrocycle of the new spherand (VI) the heteroatoms are arranged octahedrally.
ChemInform Abstract: Application of Chemometrics to Heterogeneous Catalysis: Optimization of 1,4‐Cyclooctadiene Yield and Selectivity in the Isomerization of 1,5‐Cyclooctadiene Catalyzed by Silica‐Supported Ir4(CO)12.
Authors: EBERT C. , GIANFERRARA T. , GRAZIANI M. , KASPAR J. , LINDA P. , TROVARELLI A. 
Published: May 2016

AbstractThe study of optimization of the title process leading to (II) with 98% selectivity is carried out by means of response surface methodology using five independent variables: temp. and time of reaction, metal loading of the catalyst (1.3%), partial pressure (48 torr) and flow rate of (I) (0.7 ml/min).
ChemInform Abstract: Asymmetric Synthesis Using Tartrate Ester‐Modified Allylboronates. Part 2. Single and Double Asymmetric Reactions with Alkoxy‐Substituted Aldehydes.
Authors: ROUSH W. R. , HOONG L. K. , PALMER M. A. J. , STRAUB J. A. , PALKOWITZ A. D. 
Published: May 2016

AbstractThe chiral allylboranate (I) with (R,R)‐configuration reacts with optically active cyclic alkoxy aldehydes such as (II), forming diastereoselectively allylic alcohols such as (III) and (IV).
ChemInform Abstract: Synthesis of (S)‐β,β,β‐Trifluorolactic Acid and (S)‐α‐Methoxy‐α‐(trifluoromethyl)phenylacetic Acid from (R)‐Methyl p‐Tolyl Sulfoxide.
Authors: BRAVO P. , FRIGERIO M. , RESNATI G. 
Published: May 2016

AbstractThe optically active sulfoxide (R)‐(I) is coupled with the trifluorocarbonyl compounds (II) to give the diastereomeric adducts (III) as the main products.
ChemInform Abstract: Condensation of Aldehydes and Ketones. Part 24. Synthesis and Reactions of 1,5‐Diketones from 2‐(1‐Cyclohexenyl)cyclohexanone and 2‐Cyclopentylidenecyclopentanone.
Authors: AKIMOVA T. I. , TILICHENKO M. N. 
Published: May 2016

AbstractDirect condensation of the title compound (I) with HCHO (II) gives a complex mixture of adducts, all of them being transformed into the HCl adduct (III).
ChemInform Abstract: Nickel‐Catalyzed Isomerization of Methyl Formate to Acetic Acid.
Authors: CHEONG M. , LEE S. H. , KIM J. C. , LEE J. S. , KIM Y. G. 
Published: May 2016

AbstractThe catalytic conversion of methyl formate (I) to give acetic acid (II) is investigated.
ChemInform Abstract: Reactions of Podocarpic Acid Derivatives with Thallium(III) Nitrate.
Authors: MILES D. H. , LHO D.‐S. , CHITTAWONG V. , PAYNE A. M. 
Published: May 2016

AbstractOxidation of the phenyl alkyl ketones (I) with thallium(III) nitrate (II) forms the α‐nitryloxy ketones (III) and/or benzoic acid (IV).
ChemInform Abstract: An Efficient Method for Hydrolysis of N‐Monosubstituted Amides via Acetoxypivalimides.
Authors: TSUNODA T. , SASAKI O. , ITO S. 
Published: May 2016

AbstractN‐Butylcyclohexanecarboxamide (I) is converted to the corresponding N‐butyl‐N‐(acetoxypivaloyl)amide (III) which undergoes hydrolysis under mild conditions to yield cyclohexanecarboxylic acid (VI), together with the amide (VII).
ChemInform Abstract: A Novel Route to Substituted Cyclopent‐2‐en‐1‐one. Application to the Synthesis of cis‐Jasmone and Dihydrojasmone.
Authors: MATHEW J. , ALINK B. 
Published: May 2016

AbstractChlorination of the α,β‐unsaturated esters (I) with calcium hypochlorite yields the α‐chloro esters (II).
ChemInform Abstract: Asymmetric Synthesis of Cycloaliphatic α‐Amino Acids with a Norbornane Skeleton.
Authors: CATIVIELA C. , LOPEZ P. , MAYORAL J. A. 
Published: May 2016

AbstractThe asym. synthesis of the exo‐ and endo‐2‐aminonorbornane‐2‐carboxylic acids (VII) and (VIII) is carried out via Diels‐Alder reaction of the (‐)‐menthyl dehydroalaninate (I) with cyclopentadiene (II) and subsequent chromatographic separation of the thereby formed endo‐adducts (III) and (IV) from the exo‐adducts (V) and (VI).
ChemInform Abstract: The Use of Bis(4‐chlorophenyl) Selenide/Lewis Acid Catalysts in the Electrophilic Chlorination of Toluene.
Authors: GRAHAM J. C. , FENG C.‐H. , ORTICOCHEA M. , AHMED G. 
Published: May 2016

AbstractThe chlorination of toluene (I) in the presence of Lewis acids or bis‐(4‐chlorophenyl) selenide plus Lewis acids as catalysts are studied.
ChemInform Abstract: The Reactions of an o‐Quinone Monoimide with Some Phenols.
Authors: HEINE H. W. , CIACCIO J. A. , CARSON K. G. , TAYLOR C. M. , WILLIAMS E. A. 
Published: May 2016

AbstractThe o‐quinone monoimide (I) reacts with the phenols (II) to give the N,N‐bis(hydroxyphenyl)‐p‐nitrobenzamides (III).
ChemInform Abstract: Pressure‐Accelerated Diels‐Alder Reactions of Tropones with Aromatic p‐Quinones.
Authors: MORI A. , LI Z.‐H. , NAKASHIMA H. , TAKESHITA H. 
Published: May 2016

AbstractThe title reaction of tropones, e.g. (I) and (V), proceeds differently with the quinones (IIa) and (IIb).
ChemInform Abstract: Diels‐Alder Reactions of 1‐Phenylpyrano(3,4‐b)indol‐3‐ones with Alkynes: New Functionalized Carbazoles.
Authors: PINDUR U. , ERFANIAN‐ABDOUST H. 
Published: May 2016

AbstractTitle compounds such as (III) and (IV) react with alkynes such as (V) and (VIII) to yield the new carbazoles (VI), (VII) and (IX).
ChemInform Abstract: The Chemistry of N‐Substituted Benzotriazoles. Part 22. Transformations of 1‐(Trimethylsilylmethyl)benzotriazole.
Authors: KATRITZKY A. R. , LAM J. N. 
Published: May 2016

Abstract1‐(Trimethylsilyl)benzotriazole (III), prepared by silylation of benzotriazole (I), is lithiated to give the corresponding anion.
ChemInform Abstract: The Synthesis of 1,1′‐Spiroalkane or Fused Annulated 1,2,3,4‐Tetrahydroisoquinolines Using a Highly Reactive Formamidine for Metalation‐Alkylation.
Authors: MEYERS A. I. , DU B. , GONZALEZ M. A. 
Published: May 2016

AbstractThe 2‐amino‐2‐methylpropanol (I) is coupled with the DMF acetal (II) and then O‐methylated to produce the formamidine derivative (IV).
ChemInform Abstract: A New Synthetic Approach to 5‐Deazaflavin and 5‐Deaza‐10‐thiaflavin.
Authors: CHEN X. , TANAKA K. , YONEDA F. 
Published: May 2016

AbstractThe chloropyrimidine (I) is coupled with the o‐aminobenzyl alcohols (II) to produce the 5‐deazaflavins (III).
ChemInform Abstract: Silicon Compounds with Strong Intramolecular Steric Interactions. Part 41. Disilene Additions to the CN Multiple Bonds of Isoquinoline and Dicyclohexylcarbodiimide.
Authors: WEIDENBRUCH M. , LESCH A. , PETERS K. , VON SCHNERING H. G. 
Published: May 2016

AbstractTetra‐tert.‐butyldisilene generated photolytically from the cyclotrisilane (I) reacts with isoquinoline (II) in a (2 + 2) cycloaddition to give the azadisiletane derivative (III) (space group P21/c, Z=4).
ChemInform Abstract: Silaheterocycles. Part 9. Preparation and Characterization of 2,4‐Dineopentyl‐1,3‐disilacyclobutanes.
Authors: AUNER N. , GLEIXNER R. 
Published: May 2016

AbstractE/Z isomers of the title compounds of the type (III) are obtained in good yields from the reaction of diorganovinylchlorosilanes e.g. (I) with Li‐tBu (II) in non‐polar solvents.
ChemInform Abstract: 2‐Mercapto‐(1H)‐1,3,2λ5‐benzodiazaphosphorine‐2,4‐dithiones. Part 2. Synthesis, Reactions and Spectral Studies of Methylation Products.
Authors: SHINDE B. R. , SHENOY S. J. , PAI N. R. 
Published: May 2016

AbstractThe benzodiazaphosphorine system, i.e. (I) and (II), prepared in the preceding paper is methylated using MeI or Me2SO4 in the presence of NaOH or MeI in the presence of NaOMe.
ChemInform Abstract: Derivatives of o‐Phenylene Phosphate. Part 35. o‐Phenylenedioxy‐chlorophosphonium Salts from Cyclic PIII Compounds and Antimony Pentachloride.
Authors: GLOEDE J. , WASCHKE R. 
Published: May 2016

AbstractThe reaction products such as (III) (8 examples) are characterized by 31P NMR spectroscopy.
ChemInform Abstract: Diketones from Ozonolysis of Fused 3‐Phospholene Oxide: Cyclizations to 3‐Phosphorinone and to 1,4‐Dihydro‐1,4‐azaphosphinine Derivatives.
Authors: QUIN L. D. , MARSI B. G. 
Published: May 2016

AbstractRing closure reaction of the vinylcyclohexene (I) with the phosphonous dihalides (II) gives the fused phospholene oxides (III) and (IV).
ChemInform Abstract: Cyclopentenylidene Complexes from Alkinylcarbene Complexes, Aryllithium and H+.
Authors: FISCHER H. , MEISNER T. , HOFMANN J. 
Published: May 2016

AbstractThe (carbene)pentacarbonyl complexes (I) react with the aryl‐Li compounds (II) and subsequently with HBF4 to give the vinylcarbene complexes (III) and the two isomeric cyclopentenylidene complexes (IV) and (V).
ChemInform Abstract: Coordination Chemistry of Higher Oxidation States. Part 35. Synthetic, Spectroscopic, and Electrochemical Studies of Some mer‐ and fac‐(OsL3X3)/(OsL3X3)+ Systems (L: PR3, AsR3, SbR3, or Pyridine; X: Cl or Br): Crystal Structure of fac‐(Os(PEt2Ph)3Cl3)·CH2Cl2.
Authors: CIPRIANO R. A. , LEVASON W. , MOULD R. A. S. , PLETCHER D. , WEBSTER M. 
Published: May 2016

AbstractMer‐complexes such as (I) (11 examples) are easily oxidized to (II).
ChemInform Abstract: Transition Metal‐Diene Complexes in Organic Synthesis. Part 4. Iron‐Mediated Total Synthesis of the Cytotoxic Carbazole Koenoline and Related Alkaloids.
Authors: KNOELKER H.‐J. + , BAUERMEISTER M. 
Published: May 2016

AbstractThe anilines (II) and (VI) are coupled with the cationic iron complex (I) to produce the iron complexes (III) and (VII) respectively, which undergo cyclization and demetalation upon treatment with active manganese dioxide, yielding mukonine (IV) and murrayanine (VIII).
ChemInform Abstract: Synthesis and Biological Activity of 1‐(5‐Hydroxy‐3‐oxapentyl)‐ and 1‐(8‐Hydroxy‐3,6‐dioxaoctyl)uracils.
Authors: ABDEL‐MEGIED A. E.‐S. , PEDERSEN E. B. , NIELSEN C. M. 
Published: May 2016

AbstractAmong the title compounds prepared, the products (III) and (IV) (8 examples) as well as the product (VI) are tested for in vitro biological activity against Herpes virus.
ChemInform Abstract: Na8Hg3: An Alkali Metal Rich Amalgam with Isolated Mercury Anions?
Authors: DEISEROTH H.‐J. , TOELSTEDE D. 
Published: May 2016

AbstractThe new, air sensitive amalgam Na8Hg3, obtained in the attempt to synthesize Na2Hg at 60 °C, crystallizes in space group R3c with Z=12.
ChemInform Abstract: Constitution of K3(FeO4).
Authors: HOPPE R. , MADER K. 
Published: May 2016

AbstractBlack single crystals of the title oxoferrate(V) are obtained for the first time by annealing intimate mixtures of K2O2 and KFeO2 (1.78:1.0; Ag tube; 470 °C, 18 d; 350 °C, 5 d).
ChemInform Abstract: XPS Studies of Anodic Surface Films on Copper Electrodes
Authors: KAUTEK W. , GORDON J. G. II 
Published: May 2016

Abstractproduced in Na2SO4/NaOH solutions (pH 12) are performed using a simple and effective low‐cost specimen transfer system based on a combination of a glove box and a glove bag attached to a standard XPS apparatus.
ChemInform Abstract: A New Orthovanadate(V), Cs2Na(VO4),
Authors: KISSEL J. , HOPPE R. 
Published: May 2016

Abstractis synthesized in form of colorless single crystals by annealing intimate mixtures of CsO0.52, NaO0.52, and V2O5 (Cs:Na:V = 2.2:1.2:1.0; 750 °C, 59 d; sealed Ni tube; argon).
ChemInform Abstract: K2Mo3AlP8O28: A Tunnel Structure Isotypic with Na0.5MoP2O7.
Authors: LECLAIRE A. , BOREL M. M. , GRANDIN A. , RAVEAU B. 
Published: May 2016

AbstractCrystals of the new mixed‐valent molybdenum diphosphate K2Mo3AlP8O28 (K0.5Mo0.75Al0.25P2O7) are synthesized using a two‐step route.
ChemInform Abstract: Cs4Re6S13 and Cs4Re6S13.5 ‐ Two Compounds with (Re6S8) Clusters Slightly Differing as to Their Framework Structures.
Authors: BRONGER W. , LOEVENICH M. , SCHMITZ D. , SCHUSTER T. 
Published: May 2016

AbstractCs4Re6S13 (I) is prepared by reaction of Cs2CO3 and Re (5:1 molar ratio) at 800 °C in an argon stream loaded with sulfur.
ChemInform Abstract: Sulfate, Phosphate, and Arsenate as Tridentate Ligands. Synthesis and Crystal Structures of (NMe4)2(Re3Cl9O3SO), (NMe4)2(H7O3)(Re3Cl9O3PO) and (NMe4)2(H5O2)(Re3Cl9O3AsO).
Authors: IRMLER M. , MEYER G. 
Published: May 2016

AbstractThe title compounds (IV), (VI), and (NMe4)2(H5O2)(Re3Cl9O3AsO) (VII), (prepared analogously to (VI) using Ag3AsO4) all crystallize in the monoclinic space group P21/c with Z=4.
ChemInform Abstract: FTIR Spectral Study of Intramolecular Hydrogen Bonding in Thromboxane A2 Receptor Antagonist S‐145 and Related Compounds. Part 2.
Authors: TAKASUKA M. , YAMAKAWA M. , OHTANI M. 
Published: May 2016

AbstractWith regard to drug design, the conformations of compounds (I)‐(VI) are studied by FT‐IR, including the model compounds (III), Me‐NH‐CO‐Ph, N,N'‐diphenylurea, octan‐3‐ol, and di‐n‐pentylamine.
ChemInform Abstract: Valence Isomerization Equilibria of Highly Fluorinated Cycloocta‐1,3,5‐trienes.
Authors: RAHMAN M. M. , SECOR B. A. , MORGAN K. M. , SHAFER P. R. , LEMAL D. M. 
Published: May 2016

AbstractThe three precursors (I), (IV), and (VIII) are obtained starting from hexafluorobenzene, by different routes.
ChemInform Abstract: Synthesis and Reactions of Diazaanthracenophanes. Part 5. Intramolecular Photo‐ and Thermal Dimerizations of Diaza(3.3)(9,10)anthracenophanes.
Authors: USUI M. , SHINDO Y. , NISHIWAKI T. , ANDA K. , HIDA M. 
Published: May 2016

AbstractSome diazaanthracenophanes (I) are prepared and modified according to known methods.
ChemInform Abstract: Structure and Reactivity of the α,p‐Dimer (IV) from 2,2‐Dimethyl‐1‐(1‐naphthyl)propyl Radicals (III).
Authors: PEYMAN A. , PETERS K. , VON SCHNERING H. G. , RUECHARDT C. + 
Published: May 2016

AbstractThe structure of the first isolated α,p‐dimer (IV) is established by X‐ray analysis (space group Pbca with Z = 8) and by MMPI calculations.
ChemInform Abstract: A New Synthesis of 2‐Fluoro‐1‐olefines.
Authors: MCCARTHY J. R. , MATTHEWS D. P. , BARNEY C. L. 
Published: May 2016

AbstractVarious olefins are coupled with phenylselenenyl fluoride generated in situ to form the β‐fluoro phenyl selenides which are deselenylated by ozonolysis, yielding 2‐fluoro‐1‐alkenes.
ChemInform Abstract: Ready Access to α‐(Triorganosilyl)methylene β‐Lactones by Means of Rhodium‐Catalyzed Cyclocarbonylation of Substituted Propargyl Alcohols.
Authors: MATSUDA I. , OGISO A. , SATO S. 
Published: May 2016

AbstractThe carbonylation of an equimolar mixture of the acetylenic alcohols (I), (VI), and (VIII), a silane e.g. (II) or (IX), and a base in the presence of a catalytic amount of Ru4(CO)12 results in the formation of α‐(triorganylsilyl)methylene β‐, γ‐, and δ‐lactones (IV), (VII), and (X), respectively.
ChemInform Abstract: Metallacarboranes in Catalysis. Part 9. Catalytic Hydrosilanolysis of Alkenyl Acetates by Triethylsilane.
Authors: KANG H. C. , HAWTHORNE M. F. 
Published: May 2016

AbstractThe title reaction, demonstrated with the closo‐rhodacarborane as catalyst precursor, yields besides (IV) the alkene derived from the alkenyl acetate rather than the hydrosilylation product (over 80 turnovers by 80% conversion of alkenyl acetate to trialkylsilyl acetate).
ChemInform Abstract: Furan Derivatives. Part 11. On Substituent Effects in the Synthesis of 3,4,5,6‐Tetrahydrocyclohepta(cd)benzofurans.
Authors: HORAGUCHI T. , KOBAYASHI H. , MIYAZAWA K. , HASEGAWA E. , SHIMIZU T. , SUZUKI T. , TANEMURA K. 
Published: May 2016

AbstractTwo different methods are used for the preparation of the title compounds (II).
ChemInform Abstract: Reaction of 2‐Substituted 5,5‐Dimethyl‐4‐oxo‐1‐pyrroline 1‐Oxides with Electrophilic Reagents.
Authors: REZNIKOV V. A. , VISHNIVETSKAYA L. A. , VOLODARSKII L. B. 
Published: May 2016

AbstractThe title compounds (I) react with the electrophilic reagents (II), N‐chlorosuccinimide, or (XV) either at the O‐atom of the nitrone group or at the CH2 group of the pyrroline ring to give the 1‐acyloxypyrrolines (III), the 3‐chloro derivatives (IV) or (VIII), or the oximes (XVI).
ChemInform Abstract: 1,3‐Dipolar Cycloadditions of Alkyl Azides with Picryl Isothiocyanate: Isolation of Stable Monoadducts.
Authors: L'ABBE G. , BREMS P. , ALBRECHT E. 
Published: May 2016

AbstractThe title adducts, e.g. (III), are exceptionally thermostable.
ChemInform Abstract: Synthesis of Piperidine Derivatives as Potential Analgetic Agents.
Authors: JILEK J. , RAJSNER M. , VALENTA V. , BOROVICKA M. , HOLUBEK J. , RYSKA M. , SVATEK E. , METYS J. , PROTIVA M. 
Published: May 2016

AbstractA great variety of piperidine derivatives are synthesized including the compounds (II) and (V) related to fentanyl (I) as well as the cyclized compounds (VIII) and (X).
ChemInform Abstract: Synthesis of Thieno(3,2‐c)quinoline N‐Oxide and Thieno‐(3,2‐c)isoquinoline N‐Oxide. The NMR Spectra of the Six Isomeric Thieno‐Fused Quinoline and Isoquinoline N‐Oxides.
Authors: GRONOWITZ S. , TIMARI G. 
Published: May 2016

AbstractWhereas the synthesis of the title compounds (VIII)‐(XI) had been already reported, the preparation of the missing members (IV) and (VII) is now given.
ChemInform Abstract: Synthesis of Pyrimido(4,5‐g)pyrimidine, Thieno(2,3‐d)pyrimidines, and 4‐Substituted Pyrimidines.
Authors: EL‐BAHAIE S. , ASSY M. G. , HEIKAL A. F. 
Published: May 2016

AbstractThe acetylmercaptopyrimidine (I) is converted to the chloride (II) which is coupled with the arylamines (III) or phenylhydrazine (VII) to give the substitution products (IV) or (VIII).
ChemInform Abstract: Benzo(g)(1,2,5)thiadiazolo(3,4‐b)quinoxaline‐5,10‐dione and Its Selenium Analogue. An Unusual Type of Quinones.
Authors: YAMASHITA Y. , TSUBATA Y. , SUZUKI T. , MIYASHI T. , MUKAI T. , TANAKA S. 
Published: May 2016

AbstractThe title compound (VIIIa) and its selenium analogue (VIIIb) are prepared applying previously described methods as outlined in the reaction scheme.
ChemInform Abstract: Pentacoordinated Molecules. Part 81. Conformational Preferences of Spirocyclic Pentaoxyphosphoranes Varying in Ring Size.
Authors: SWAMY K. C. K. , DAY R. O. , HOLMES J. M. , HOLMES R. R. 
Published: May 2016

AbstractThe new bicyclic pentaoxyphosphoranes (III) (space group P21/c, Z=4), (V) and (VII) (for both P21/n, Z=4) containing ring sizes varying from five to seven membered are synthesized.
ChemInform Abstract: Models for Diferrous Forms of Iron‐Oxo Proteins. Structure and Properties of (Fe2BPMP(O2CR)2)BPh4 Complexes.
Authors: BOROVIK A. S. , HENDRICH M. P. , HOLMAN T. R. , MUENCK E. + , PAPAEFTHYMIOU V. , QUE L. JUN. 
Published: May 2016

AbstractThe Fe(II)Fe(II) complexes (IV) are synthesized to serve as models for the diferrous forms of iron‐oxo centers in proteins.
ChemInform Abstract: Intramolecular Metalation of C‐H Bonds with (cis,cis‐1,3,5‐Tris((diphenylphosphino)methyl)cyclohexane)rhodium(I) Chloride.
Authors: MAYER H. A. , KASKA W. C. 
Published: May 2016

AbstractThe novel tridentate ligand (II) is synthesized and treated with the Rh dimer (I).
ChemInform Abstract: Catalytic and Stoichiometric Carbonylation of β,γ‐Unsaturated Carboxylic Acids to Give Cyclic Anhydrides Through Intermediate Palladium‐Containing Cyclic Esters.
Authors: OSAKADA K. , DOH M.‐K. , OZAWA F. , YAMAMOTO A. 
Published: May 2016

AbstractPalladium(0) complexes with tertiary phosphine ligands catalyze the carbonylative cyclization of the acid (I) to give, besides the isomerization product (III), the anhydrides (IV) and (V).
ChemInform Abstract: Total Syntheses of (‐)‐Histrionicotoxin and (‐)‐Histrionicotoxin 235 A.
Authors: STORK G. , ZHAO K. 
Published: May 2016

Abstract(‐)‐Histrionicotoxin (‐)‐(XIII) and its simpler relative (‐)‐histrionicotoxin 235 A (‐)‐(VIII) are synthesized via the allylic epoxide cyclization method.
ChemInform Abstract: Asymmetric Total Synthesis of an A‐Ring Precursor to Hormonally Active 1α,25‐Dihydroxyvitamin D3.
Authors: POSNER G. H. , KINTER C. M. 
Published: May 2016

AbstractDiels‐Alder reaction of the sulfonylpyrone (I) with the optically active vinyl ether (II) produces the bicyclic lactone (III) which is converted into the unsaturated ester (‐)‐(V) by consecutive methanolysis, desulfonylation, and double bond isomerization.