bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Novel Synthetic Route to Pyridine‐2(1H)‐thiones: Unexpected Products of the Reaction of β‐Phenethylidenemalononitriles with Arylmethylenecyanothioacetamides.
Authors: ELGEMEIE G. E. H. 
Published: May 2016

AbstractReaction of the β‐phenethylidenemalononitriles (I) with the arylmethylenecyanothioacetamides (II) in ethanol gives the intermediate trinitriles (III) which immediately cyclize under release of malononitrile to produce the 4,6‐diaryl‐2(1H)‐thioxo‐3‐pyridinecarbonitrile (IV).
ChemInform Abstract: 2‐Hydroxy‐1‐Substituted‐1,2,3,4‐tetrahydro‐β‐carbolines. The Pictet‐Spengler Reaction of N‐Hydroxytryptamine with Aldehydes.
Authors: HINO T. , HASEGAWA A. , LIU J.‐J. , NAKAGAWA M. 
Published: May 2016

AbstractThe nitrovinylindole (I) is consecutively reduced with NaBH4 and aluminum amalgam to produce N‐hydroxytryptamine (III).
ChemInform Abstract: Some Diazinon Analogues Containing the 4‐Trifluoromethyl Group.
Authors: GERSHON H. , CLARKE D. D. , GREFIG A. T. , ANDERSON T. E. 
Published: May 2016

AbstractFive analogues (III) of the pesticide diazinon, containing a trifluoromethyl substituent in place of the methyl group, are prepared.
ChemInform Abstract: Heterocycles from Carbohydrate Precursors. Synthesis of 3‐(L‐threo‐Glycero‐1‐yl)‐6,7‐dimethylpyrazolo(3,4‐b)quinoxalines.
Authors: AWAD L. , MOUSAAD A. , EL ASHRY E. S. H. 
Published: May 2016

AbstractOxidation of L‐ascorbic acid (I) gives dehydro‐L‐ascorbic acid which is directly coupled with 1,2‐diamino‐4,5‐dimethylbenzene (II).
ChemInform Abstract: Synthesis of (S,S)‐ and (R,R)‐2‐Alkyl‐2,5‐diazabicyclo(2.2.1)heptanes.
Authors: BRAISH T. F. , FOX D. E. 
Published: May 2016

Abstract4‐Hydroxy‐L‐proline (I) is N‐tosylated and then reduced to give the diol (IV).
ChemInform Abstract: Synthesis and Characterization of Some 1,4,8,11,15,18,22,25‐Octaalkyl‐ and 1,4,8,11,15,18‐Hexaalkyl‐22,25‐bis(carboxypropyl)phthalocyanines.
Authors: MCKEOWN N. B. , CHAMBRIER I. , COOK M. J. 
Published: May 2016

AbstractCa. 15 members of the title compounds such as (V) are prepared on routes similar to that shown for (Va) starting from the furans (I) or the corresponding thiophene dioxides.
ChemInform Abstract: Synthesis and Properties of Dimethyltetradehydrothia‐(19)‐, ‐(21)‐, ‐(23)‐, and ‐(25)‐annulene. Diatropic and Paratropic Analogues of Thiophene.
Authors: OJIMA J. , NAGAYA M. , KATSUYAMA J. , YAMAMOTO G. 
Published: May 2016

AbstractThe components (II) + (Ia) + (Ib) are the starting compounds for the synthesis of the title annulene (IV)/(V) (= mixture of the "all‐trans" and "di‐cis" isomer).
ChemInform Abstract: Synthesis of Racemic Acetyl(tert.‐butyl)methylphenylsilane and Acetylmethylphenyl((trimethylsilyl)methyl)silane: Substrates for Stereoselective Microbial Reductions.
Authors: TACKE R. , FRITSCHE K. , TAFEL A. , WUTTKE F. 
Published: May 2016

AbstractThe racemic title compounds (VII) are prepared from (I) via (IV) by the two different three‐step syntheses shown in the scheme.
ChemInform Abstract: Experimental and Theoretical Study of the Dimetalation of Phenylacetylene and (1‐Naphthyl)acetylene.
Authors: KLUSENER P. A. A. , HANEKAMP J. C. , BRANDSMA L. , VON RAGUE SCHLEYER P. 
Published: May 2016

AbstractThe arylacetylenes (I) react with potassium tert‐butoxide (II) in the presence of BuLi to give the dimetalated intermediates (III) which are trapped with the chlorosilane (IV), forming the disilylation products (V).
ChemInform Abstract: Synthesis and Reactions of 2‐Pyridylphosphane, 2‐C5NH4‐PH2.
Authors: SPIEGEL G. U. , STELZER O. 
Published: May 2016

AbstractThe title compound (II) is a stronger PH acid than PH2Ph or PHPh2 as shown by H/D exchange experiments and acid/base exchange reactions between (II) and the Li salts of the two other phosphanes.
ChemInform Abstract: Insertion of Chloral into the P‐Br Bond of Phosphoranes.
Authors: MIRONOV V. F. , SINYASHINA T. N. , OFITSEROV E. N. , CHERNOV P. P. , KONOVALOVA I. V. , PUDOVIK A. N. 
Published: May 2016

AbstractThe tribromophosphorane (II), prepared in situ from the bromophosphite, is coupled with chloral (III) to give the tris(bromotrichloroethoxy)phosphorane (IV) via the mono‐ and bisadduct.
ChemInform Abstract: Synthesis and Reactivity of Dimethylindium Derivatives: Molecular and Electronic Structure of Bis(μ‐diethylamido)‐tetramethyldi‐indium(III).
Authors: ROSSETTO G. , AJO D. , BRIANESE N. , CASELLATO U. , OSSOLA F. , PORCHIA M. , VITTADINI A. , ZANELLA P. , GRAZIANI R. 
Published: May 2016

AbstractThe synthesized title compound (III) (space group P1, Z=1) is characterized by UV photoelectron spectra and X‐ray structure analysis.
ChemInform Abstract: Monocyclopentadienyl Lanthanoid(III) Complexes. The Synthesis and Crystallographic Characterization of the Organosamarium(III) Complex: (η5‐C5H5)SmCl(THF)2(μ‐Cl)2SmCl2(THF)3.
Authors: DEPAOLI G. , ZANONATO P. , VALLE G. 
Published: May 2016

Abstract(IV) is obtained when a 0.6 ratio of (I) to (II) is used.
ChemInform Abstract: Reaction of Trimethylsilylethers of Unsaturated Alcohols with Schwartz Reagent ‐ Stabilization of Cyclic Zirconiumorganic Compounds by the Moiety Cp2ZrH2.
Authors: BUERGLEN B. + , UHLIG E. 
Published: May 2016

AbstractBesides the normal products of hydrozirconation e.g. (IVa) and (Xa) the reaction of the allyltrimethylsilylethers (I), (VI), and (VIII) with Cp2Zr(H)Cl (II) yields, as a result of a hydrogenation of the Si‐O bond, Me3SiH and a series of compounds with Zr‐O bond.
ChemInform Abstract: Synthesis of (μ‐1,9,10,11‐η:4,5,6,12‐η‐Tricyclo(7.1.1.14,6)dodeca‐1(11),4,6(12),9# ‐tetraene)bis(tricarbonyliron): The Smallest Cyclophane with Metal‐Stabilized Antiaromatic Decks.
Authors: ADAMS C. M. , HOLT E. M. 
Published: May 2016

AbstractThe title compound (VI) crystallizes in the space group P21/a with Z=2.
ChemInform Abstract: Complexes Containing Metallabis(dialkylphosphito) Units. Part 6. Synthesis and Complex‐Forming Properties of the Organometallic Chelating Ligand (C5Me5RhI(P(O)(OMe)2)2)‐.
Authors: VALDERRAMA M. , SCOTTI M. , CAMPOS P. , WERNER H. , MUELLER G. + 
Published: May 2016

AbstractThe title ligand is isolated as the 0.6 NaI adduct of its Na salt (IV).
ChemInform Abstract: 1,4‐Diene‐Derived (η3‐Allyl)palladium Complexes. Part 5. trans‐Bis(5‐acetoxy‐1,2,3‐η3‐cyclohexenyl)palladium Complexes by Palladium(II)‐Promoted Addition of Acetate to 1,4‐Cyclohexadienes.
Authors: SOEDERBERG B. C. + , AKERMARK B. , CHEN Y.‐H. , HALL S. S. 
Published: May 2016

AbstractCyclohexadienes such as (I) react with the acetic acid (II) in the presence of the palladium complex (III) to produce stereo‐ and regioselectively the corresponding cyclohexenylpalladium complexes (IV).
ChemInform Abstract: Synthesis and Antitumor Activity of Pt(II) Complexes of Benzyl‐1,2‐diaminoethane Ligands.
Authors: BRUNNER H. , HANKOFER P. , TREITTINGER B. 
Published: May 2016

AbstractBenzyl‐substituted dichloro(1,2‐diaminoethane)platinum(II) and its derivatives substituted at the phenyl ring of the benzyl group have a high antitumor activity accompanied by a low toxicity compared to cis‐PtCl2(NH3)2 ("cis‐Pt").
ChemInform Abstract: Pigments of Fungi. Part 11. (+)‐Austrocorticin (Ia), Austrocorticinic Acid (IIa), Austrocorticone (IIIa), and Related Pigments: The First Naturally Occurring Anthraquinones Derived from a Propionate‐Triggered Octaketide.
Authors: GILL M. , GIMENEZ A. 
Published: May 2016

AbstractThe pigments (Ia), (II) and (III), which represent the first naturally occurring endocrocin‐type anthraquinones bearing a C2 side chain at C‐3, and the pigment (Ib), derived from a acetate‐triggered octaketide, are isolated from the orange fruit bodies of an Australian toadstool belonging to the genus Dermocybe.
ChemInform Abstract: Preparation of Gibberellin Hapten‐Protein Conjugates. Part 1. Conjugation via Carboxymethylenation at C‐17.
Authors: BEALE M. H. 
Published: May 2016

AbstractThe preparation of C‐17 carboxylated derivatives of gibberellin A4 such as (V) and (VII) using anions of α‐trimethylsilylethanoic acid derivatives is investigated.
ChemInform Abstract: Absolute Configuration of Penlanfuran and Related Sesquiterpenoids of the Sponge Dysidea fragilis from the North‐Brittany Sea.
Authors: MANCINI I. , GUELLA G. , CAVAZZA M. , PIETRA F. 
Published: May 2016

AbstractComparison of natural noroxopenlanfuran with the compound (S)‐(+)‐(VIII) (yield given in g) shows that the natural terpene is the enantiomer (R)‐(‐)‐(VIII).
ChemInform Abstract: Efficient Regioselective A‐Ring Functionalization of Oestrogens.
Authors: PAGE P. C. B. , HUSSAIN F. , MAGGS J. L. , MORGAN P. , PARK B. K. 
Published: May 2016

AbstractA complete series of 2‐halooestrogens are prepared with copper(II) or copper(I) salts in good yields, with copper(II) giving better yields than copper(I).
ChemInform Abstract: 1,4‐Dioxene(2,3‐dihydro‐1,4‐dioxine) in Organic Synthesis. Part 9. Preparation of Biologically Active Side‐Chains from 17‐Oxosteroids.
Authors: FETIZON M. , GOULAOUIC P. , HANNA I. 
Published: May 2016

AbstractSteroidal 17α‐dioxenyl derivatives such as (III) are easily converted into 21‐hydroxy‐20‐oxo steroids such as the pregnenes (IV) or (VI) with or without a double bond at the 16 position.
ChemInform Abstract: Synthesis of Rigid, Heterocyclic Dipeptide Analogues.
Authors: KEMPF D. J. , CONDON S. L. 
Published: May 2016

AbstractThe indolecarbaldehyde (IV), prepared by esterification of the acid (I) and subsequent Vilsmeier formylation, is reductively coupled with the amino acid esters (V) to give the substituted aminomethylindoles (VI).
ChemInform Abstract: Synthesis of 5‐Thio‐D‐mannose.
Authors: YUASA H. , IZUKAWA Y. , HASHIMOTO H. 
Published: May 2016

AbstractMethyl 2,3:5,6‐di‐O‐isopropylidene‐α‐D‐mannofuranoside (Ia) is converted to the suitable protected derivative (Ie) by standard procedures.
ChemInform Abstract: Reactivity of (3‐Chloro‐2‐methylenecycloalkyl)palladium Chloride Dimers: A Palladium Mediated Ring Homologation‐Functionalization Approach to the Ar‐7‐7 Skeleton of Colchicine.
Authors: DONALDSON W. A. , STEPUSZEK D. J. , GRUETZMACHER J. A. 
Published: May 2016

AbstractThe alkaloid colchicine is used as antimitotic agent and more recently it is undergoing preclinical trials as HIV inhibitor.
ChemInform Abstract: The Chemistry of Vicinal Tricarbonyl Compounds. Short Syntheses of Eudistomins T, I, and M.
Authors: WASSERMAN H. H. , KELLY T. A. 
Published: May 2016

AbstractThe phosphoranes (II) are coupled with the acid chlorides (I) and then ozonolyzed to produce the α,β‐diketo esters (IV).
ChemInform Abstract: Synthesis of 4‐Alkylsulfonyl‐5‐amino‐ and 5‐Amino‐4‐phosphono‐imidazole Nucleosides as Potential Inhibitors of Purine Biosynthesis.
Authors: BUCHANAN J. G. , MCCAIG A. E. , WIGHTMAN R. H. 
Published: May 2016

AbstractCondensation of the silyl derivative of the imidazole (II) with the component (I) for a short time gives regioselectively the nucleoside (V) which is converted to the title compound (VI).
ChemInform Abstract: A New Synthesis of (9Z,12E)‐9,12‐Tetradecadien‐1‐yl Acetate.
Authors: SHARMA S. , SABHARWAL A. , DOGRA V. , VIG O. P. , KAD G. L. 
Published: May 2016

AbstractThe bromobutene (I) is coupled with the tetrahydrofuranyl chloride (II) by use of LiNH2 generated in situ to produce the alkynol (III).
ChemInform Abstract: Nitrile Oxides in Medicinal Chemistry. Part 2. Synthesis of the Two Enantiomers of Dihydromuscimol.
Authors: DE AMICI M. , DE MICHELI C. , MISANI V. 
Published: May 2016

AbstractAs exemplified in the scheme by (Ic) → (±)‐(VI), the racemic title compound (VI) can be prepared from bromonitrile oxide (generated in situ from (I)) and any of the dipolarophiles (II).
ChemInform Abstract: Characterization of Silicon Nitride Films Deposited on GaAs by RF Magnetron Cathodic Sputtering. Effects of Power Density and Total Gas Pressure
Authors: CARRIERE T. , AGIUS B. , VICKRIDGE I. , SIEJKA J. , ALNOT P. 
Published: May 2016

Abstracton the film composition, stress, and critical electric field are studied.
ChemInform Abstract: Improvement of Dielectric Strength of Trench Capacitors by Using Rapidly Grown SiO2 Films.
Authors: ARAKAWA T. , FUKUDA H. , OKABE Y. , IWABUCHI T. , OHNO S. 
Published: May 2016

AbstractBarrel‐shaped and tapered trenches are formed on p‐type Si wafers by reactive ion etching and ∼15 nm thick SiO2 films are grown on the trenched surfaces by rapid thermal oxidation at 1100 °C in a dry O2 ambient.
ChemInform Abstract: ZrSn0.5Ti0.5O4 as a Matrix for Ceramic Colors. Structural Investigations on ZrTiO4 and ZrSn0.5Ti0.5O4.
Authors: SIGGEL A. , JANSEN M. 
Published: May 2016

AbstractThe isotypic title compounds crystallize in the orthorhombic space group Pbcn with Z=2.
ChemInform Abstract: Raman Spectra of Anion‐ and Cation‐Substituted Substituted Ternary Oxides of Molybdenum and Tungsten with the Pyrochlore or Hexagonal Tungsten Bronze Structures. Single Crystal Structure Analysis of CsZnMoO3F3 (I), Rb0.3Nb0.3W0.7O3 (II), and Rb0.3Ga0.1W0.9O3 (III).
Authors: MATTES R. , LEIMKUEHLER M. + , NAGEL A. 
Published: May 2016

AbstractThe Raman spectra of A(BxW1‐x)O3 (A: K, Rb, Cs; B: Mg, Al, Ga, Ti, V, Nb, Ta) with defect pyrochlore or hexagonal tungsten bronze (HTB) structure and of Cs(BMO3F3) (M: Mo, W; B: Ni, Cu, Zn) and AM2O5F (A: Rb, Cs; M: Nb, Ta) with defect pyrochlore structure are detected (synthesis conditions are given in a table).
ChemInform Abstract: A Kinetic Investigation of the Fe2+/Fe3+ Reaction in Frozen and Liquid HClO4·5.5 H2O
Authors: BORGERDING A. , BROST E. , SCHMICKLER W. , DINAN T. , STIMMING U. 
Published: May 2016

Abstractis carried out at a Pt electrode at temp. in the range 130‐300 K. The exchange current density is found to follow an Arrhenius law in the liquid and in the solid state.
ChemInform Abstract: Temperature Dependence of the Uptake Coefficients of HNO3, HCl, and N2O5 by Water Droplets
Authors: VAN DOREN J. M. , WATSON L. R. , DAVIDOVITS P. , WORSNOP D. R. , ZAHNISER M. S. , KOLB C. E. 
Published: May 2016

Abstract(200 μm diameter) is studied in a low‐pressure flow reactor over the range 268‐294 K. In all cases, the uptake coefficient increases with decreasing temperature.
ChemInform Abstract: New Isotypes of CeNiSi2 in the Systems Ln‐M‐X (Ln: La‐Lu; M: Metals of Group 7‐11; X: Ge, Sn). Part 2. Interpretation of the Non‐Stoichiometry.
Authors: VENTURINI G. , FRANCOIS M. , MALAMAN B. , ROQUES B. 
Published: May 2016

AbstractBased on XRD data reported in part 1 (see preceding abstract) for LnMxGe2 and LnMxSn2 (Ln: La‐Lu; M: Mn, Fe, Co, Ni, Cu, Ru, Rh, Pd, Re, Ir, Pt; 0 < x ≤ 1.0), the large variations in x are discussed.
ChemInform Abstract: Spectral Shifts in Acid‐Base Chemistry. Part 1. Van der Waals Contributions to Acceptor Numbers.
Authors: RIDDLE F. L. JUN. , FOWKES F. M. 
Published: May 2016

AbstractIt is the purpose to determine the van der Waals and acid‐base contributions to the overall 31P chemical shifts and to the acceptor numbers of the Mayer and Gutmann two‐component systems and to illustrate the method with experimental results for 30 test liquids.
ChemInform Abstract: Oxidation of ω‐(Benzoyloxy)alkanols with an Oxoaminium Salt.
Authors: YAMAGUCHI M. , TAKATA T. , ENDO T. 
Published: May 2016

AbstractThe oxoaminium chloride (II), generated by oxidative chlorination of the tetramethylpiperidine‐1‐oxyl (I) either directly before the conversion or in situ, is employed in the oxidation of the hydroxyalkyl benzoates (III).
ChemInform Abstract: Selective One‐Electron Reduction of a Cationic Substrate, 10‐Methylacridinium Ion, by Group 4B Dimetals, Me3SnMMe3 (M: Sn, Ge, Si), via Radical Chain Reactions.
Authors: FUKUZUMI S. , KITANO T. , MOCHIDA K. 
Published: May 2016

AbstractThe dimetals (II), which are known as two‐electron σ‐donors, are shown to reduce the acridinium ion (I) in deaerated MeCN.
ChemInform Abstract: Polar Bromination and Chlorination of Cyclopropane.
Authors: LAMBERT J. B. , CHELIUS E. C. , SCHULZ W. J. JUN. , CARPENTER N. E. 
Published: May 2016

AbstractUsing cis‐1,2,3‐trideuterated cyclopropane it is shown that both bromine and chlorine appear to attack (I) at the edge with retention and the resulting (II) is attacked by halide ions with inversion to form (III).
ChemInform Abstract: Synthesis of Polypropionate Subunits by SN2′ Addition of Cuprates to Nonracemic Acyclic Vinyloxiranes.
Authors: MARSHALL J. A. , BLOUGH B. E. 
Published: May 2016

AbstractPolypropionate synthons are useful building blocks for the synthesis of e.g. macrolide antibiotics such as protomycinolide.
ChemInform Abstract: Reaction of Schiff′s Bases Prepared from Methyl Cyclopropyl Ketone with Acyl Chlorides.
Authors: MINBAEV B. U. , MATAEVA S. O. , SHOSTAKOVSKII V. M. 
Published: May 2016

AbstractAcylation of the Schiff's bases (III) affords the novel N‐(1‐cyclopropylvinyl)amides (V) in high yields (18 examples).
ChemInform Abstract: Reaction of Sulfenamides with Cycloalkenes in the Presence of Sulfamic Acid H2NSO3H.
Authors: ZEFIROV N. S. , ZYK N. V. , KUTATELADZE A. G. , BUTINA E. K. 
Published: May 2016

AbstractIn the presence of H2NSO3H (III) the reaction between norbornene (I) and the sulfenamide (II) affords the N‐unsubstituted sulfamates (IV) and (V) along with the N‐sulfenylsubstituted derivatives (VI) and (VII), which are produced by N‐sulfenylation of the sulfamates (IV) and (V) along with the nortricyclene derivative (VIII).
ChemInform Abstract: An Unusual Stereochemical Directing Effect of Propargylic Oxygen Substituents on an Intramolecular Diels‐Alder Reaction.
Authors: TROST B. M. , HOLCOMB R. C. 
Published: May 2016

AbstractThe allylic alcohol (I) is converted to the phosphine oxide (IV) which undergoes olefination of the formylpropionic acid (V) and subsequent esterification, producing the nonadienecarboxylate (VII).
ChemInform Abstract: Bis(thiodimethylene)tetrathiafulvalene (BTDM‐TTF). A New π‐Electron Donor with Relevant Oxidation Properties.
Authors: ROVIRA C. , SANTALO N. , VECIANA J. 
Published: May 2016

AbstractTetrahydrothiophenone 3‐tosylhydrazone (I) reacts with thionyl chloride (II) to give the bicyclic thiadiazoles (III) and (IV).
ChemInform Abstract: Structure and Spectroscopic Characterization of 1‐ and 2‐Hydrazonoyl‐1,2,3‐triazoles.
Authors: BOJILOVA A. , RODIOS N. A. , ALEXANDROU N. E. , TERZIS A. , MENTZAFOS D. 
Published: May 2016

AbstractThe isomeric products (III) and (IV) result from the reaction shown.
ChemInform Abstract: 4‐Aminoethylene Derivatives of 2‐Methylbenzotriazole.
Authors: MILATA V. , ILAVSKY D. , GOLJER I. , LESKO J. , CHAHINIAN M. , HENRY‐BASCH E. 
Published: May 2016

AbstractBenzotriazole derivatives such as (III) having an aminoethylene substituent in position 4 are prepared.
ChemInform Abstract: Synthesis and Antituberculotic Activity of 5‐Amino‐3‐acylvinyl‐δ4‐1,3,4‐thiadiazolines.
Authors: KOMAROVA T. N. , ALEKSANDROVA A. E. , NAKHMANOVICH A. S. , SHCHEGOLEVA R. A. , VINOGRADOV T. I. 
Published: May 2016

AbstractThe thiosemicarbazones (I) are coupled with the acylacetylenes (II) to give the thiadiazolines (III) mentioned in the title.
ChemInform Abstract: Regioselective Introduction of a Methoxy Group at the Benzylic Position of Isochroman Derivatives by Cerium(IV) Oxidation in Methanol.
Authors: ISOBE K. , TAKEDA N. , MOHRI K. , TSUDA Y. 
Published: May 2016

AbstractThe isochromans (III), prepared by cyclization of the arylethanols (I) with paraformaldehyde (II), and the isochromanones (X) and (XIII) are oxidized with ceric ammonium nitrate in methanol (IV) to produce regioselectively the methoxy derivatives (V), (VII), and (XIV), together with some other oxidation products as outlined in the reaction scheme.
ChemInform Abstract: Some Reactions with 6,8‐Di‐tert‐butyl‐4‐phenyl‐3,4‐dihydrocoumarin.
Authors: HAIKAL A. Z. , EL‐FARARGY A. F. , EL‐MOBUAYED M. , HAMAD M. M. 
Published: May 2016

AbstractThe coumarin derivative (I) is modified by Knoevenagel condensation, reaction with Grignard compounds, e.g. (IV), Claisen condensation, or coupling with Schiff bases, e.g. (VIII), as outlined in the reaction scheme.
ChemInform Abstract: Quantitative Structure‐Activity Relationship of Polyhydroxyxanthones. Part 2. Synthesis of Polyoxygenated 2‐Hydroxyxanthones.
Authors: MAHFOUZ N. M. A. , HAMBLOCH H. , OMAR N. M. , FRAHM A. W. 
Published: May 2016

AbstractAdditionally hydroxylated 2‐hydroxyxanthones such as (IX) are synthesized via the corresponding polymethoxyxanthones, e.g. (V) or (VIII).
ChemInform Abstract: Stereochemical Course of the Alkaline Decarboalkoxylative Cyclization of C(4)‐, C(5)‐ and C(4),C(5)‐Substituted 1‐(2‐(3‐Indolyl)ethyl)‐3‐methoxycarbonyl‐1,4,5,6‐tetrahydropyridines to C(2)‐, C(3)‐ and C(2),C(3)‐Substituted Indolo(2,3‐a)quinolizidines.
Authors: LOUNASMAA M. , JOKELA R. , MAEKIMATTILA P. + , TIRKKONEN B. 
Published: May 2016

AbstractThe substitution pattern of the title tetrahydropyridine derivatives (I) and (IV) influences the stereochemical course of the title reaction.
ChemInform Abstract: A Synthesis of Imidazo‐ and Pyrimido(1,2‐g)(1,6)naphthyridinones.
Authors: FRIARY R. , SCHWERDT J. H. , SEIDL V. , VILLANI F. J. 
Published: May 2016

AbstractIn order to determine whether the structure of the central pyridone ring in compound (VI) imparts its antiallergy and antiinflammatory activities, the analogues (III) and (V) are synthesized.
ChemInform Abstract: Product Distribution in Diels‐Alder Addition of N‐Benzylidene Aniline and Enol Ethers.
Authors: CABRAL J. , LASZLO P. 
Published: May 2016

AbstractBenzalaniline (I) is coupled with the dihydropyran (II) in the presence of iron trichloride or iron(III) montmorillonite to give the isomeric cycloadducts (III) and (IV).
ChemInform Abstract: 4H‐3,1‐Benzoxathiines from Benzothiete and Carbonyl Compounds.
Authors: SCHMIDT M. , MEIER H. , NIEDERMANN H.‐P. , MENGEL R. 
Published: May 2016

AbstractThe o‐quinoid 8π electron system (III), generated by thermal ring opening of benzothiete (I) undergoes (8π + 2π) cycloaddition reactions with electron‐deficient carbonyl compounds such as (II) to give products such as (IV).
ChemInform Abstract: Polycyclic N‐Hetero Compounds. Part 31. Synthesis and Antiplatelet Aggregation Activity of 4‐Substituted 5,6‐Dihydrobenzo(h)quinazolines.
Authors: HIROTA T. , SASAKI K. , OHTOMO H. , UEHARA A. , NAKAYAMA T. 
Published: May 2016

AbstractSubstitution reaction of the chlorodihydrobenzoquinazoline (I) with the amines (II) yields the amino derivatives (III).
ChemInform Abstract: Studies on Pyrazolo(3,4‐d)pyrimidine Derivatives. Part 17. Reactions of 5‐Benzoyl‐4,5‐dihydro‐6‐methyl‐1‐phenyl‐1H‐pyrazolo(3,4‐d)pyrimidine‐4‐carbonitrile (The 6‐Methylpyrazolopyrimidine Reissert Compound).
Authors: MIYASHITA A. , SATO S. , TAIDO N. , TANJI K. , OISHI E. , HIGASHINO T. 
Published: May 2016

AbstractAcidic hydrolysis of the title compound (I) gives the ring‐cleaved pyrazole (II) and the pyrazolyloxazole (III), whereas alkaline hydrolysis of (I) forms the pyrazolopyrimidine (IV).
ChemInform Abstract: Synthesis and Some Reactions of New 3,1‐Benzoxazin‐4‐one Derivatives and Their Biological Activity.
Authors: EL‐NAGDY S. , SOLIMAN A. Y. , MAHMOUD M. R. , SALEH R. , BAKEER H. M. 
Published: May 2016

AbstractFusion of the ester (I) with anthranilic acid affords the benzoxazinone (III).
ChemInform Abstract: Synthesis and Characterization of (8)(3,6)Azepinophane and (8)(3,6)Oxepinophanes.
Authors: SATAKE K. , UMEMOTO I. , USUMOTO K. , KIMURA M. , MOROSAWA S. , KUMAGAI T. , MUKAI T. 
Published: May 2016

AbstractTreatment of the bicyclo(8.2.2)tetradecadiene (I) with methyl N,N‐dichlorocarbamate results in aromatization to yield (8)paracyclophane (II) which reacts with the nitrene, generated from the O‐sulfonyl carbamate (III), producing a mixture of the methyl octano‐1H‐azepine‐1‐carboxylate (IV) and the methyl octanophenylcarbamate (V).
ChemInform Abstract: Syntheses of Dihydrodioxepinopyridines, Dihydrodioxocinopyridines, and a Dihydrooxazepinopyridine.
Authors: UEDA T. , NAKAYA K. , NAGAI S. , SAKAKIBARA J. , MURATA M. 
Published: May 2016

AbstractThe 3‐hydroxypyridines (I) and (VI) are coupled with the alkenyl halides (II) to form the ethers (III) and (VII).