bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Adenosine Adducts with First Row Transition Metal Perchlorates.
Authors: MIKULSKI C. M. , MINUTELLA R. , DE FRANCO N. , BORGES G. JUN. , KARAYANNIS N. M. 
Published: May 2016

AbstractRefluxing 3:1 or 2:1 molar mixtures of adenosine and appropriate hydrated metal perchlorates in ethanol ‐ triethyl orthoformate leads to 3:2 and l:l‐adducts, respectively.
ChemInform Abstract: Synthesis of Metal Paddlanes: X‐Ray Structure Determination of Bis‐(methyl nicotinate)copper(II) Acetate Dimer.
Authors: NEWKOME G. R. , THERIOT K. J. , GUPTA V. K. , BALZ R. N. , FRONCZEK F. R. 
Published: May 2016

AbstractThe N,N′‐bidentate ligands (I) capable of spanning the axial sites ofCu(1I) acetate dimer are prepared by reaction of nicotinoyl Chloride with appropriate glycols in benzene (yields ca. 100%).
ChemInform Abstract: Coordination Compounds of Heterocyclic Azo Derivatives. Part 3. Co(II), Ni(II) and Cu(II) Complexes of Some Arylazo‐4,5‐diphenylimidazole Derivatives.
Authors: MAHMOUD M. R. , HAMMAM A. M. , EL‐GYAR S. A. , IBRAHIM S. A. 
Published: May 2016

AbstractDye ligands, prepared by a literature method, react with nitrates of Co(II) and Cu(ll) or NiClz (MeOH, reflux, 3 h) to form the title Complexes (I) (some of them isolated as dihydrates) or (II) (no yields given).
ChemInform Abstract: Synthesis of Halo(ylide)gold(I) Complexes.
Authors: USON R. , LAGUNA A. , LAGUNA M. , USON A. , GIMENO M. C. 
Published: May 2016

AbstractReactions of the phosphoroylide‐ Au(I) complexes (II) with HCl or HBr lead to the title Compounds (I).
ChemInform Abstract: Chiroptical Properties of Compounds Containing Metal‐Metal Bonds. Syntheses, Structures, and the Measurement and Interpretation of Electronic and Circular Dichroism Spectra of Rh2[(S)‐mandelate]4(EtOH)2 and Rh2[(R)‐α‐methoxy‐α‐phenylacetate]4(THF)2.
Authors: AGASKAR P. A. , COTTON F. A. , FALVELLO L. R. , HAN S. 
Published: May 2016

Abstract(Ia) was prepared by reaction of RhCl3·3 H2O and (S)‐mandelic acid in aqueous solution in the presence of DMF (80°C, 6h) followed by recrystallization from EtOH, and (Ib) from RhCl3·3 H2O and the corresponding acid in 1:1 H2O/EtOH (reflux, 1 h), followed by extraction with THF.
ChemInform Abstract: Tertiary Phosphines Containing ortho‐Carborane as Backbone. Some Palladium(II) Complexes.
Authors: CONTRERAS J. G. , SILVA‐TRIVINO L. M. , SOLIS M. E. 
Published: May 2016

AbstractThe chloro‐Pd complexes (I)‐(III) of the appropriate phosphinesubstituted ortho‐carboranes are prepared by reaction of PdCI2(NCMe)2 with stoichiometric amount of the ligand in CH2C12.
ChemInform Abstract: HOs3(CO)10(C2H5): An Alkyl Complex with Observable α, β, and Reductive Elimination Processes.
Authors: CREE‐UCHIYAMA M. , SHAPLEY J. R. , GEORGE G. M. ST. 
Published: May 2016

AbstractThe ethyl title Cluster (III) is prepared in two steps from the vinyl Cluster (I) as shown.
ChemInform Abstract: Nucleophilic Attack of Amine and Hydroxide to Platinum Dibenzonitrile Dichloride.
Authors: MARESCA L. , NATILE G. , INTINI F. P. , GASPARRINI F. , TIRIPICCHIO A. , TIRIPICCHIO CAMELLINI M. 
Published: May 2016

AbstractThe trans and cis isomers (Ia) and (Ib) of PtCl2(NCPh)2 react with N,N′‐di‐tert‐butylethylenediamine (II) to give the cationic complex (III) or the neutral complex (V).
ChemInform Abstract: Polymethine Dyes on the Basis of Mesoionic Thiazolo[3,2‐a]pyrimidine‐3‐ oxides.
Authors: FEDOTOV K. V. , ROMANOV N. N. 
Published: May 2016

AbstractDie in 5‐ oder 7‐Stellung substituierten Thiazolopyrimidine (I) bilden mit den heterocyclischen Iminiumsalzen (II) die Farbstoffe (III) bzw. (IV).
ChemInform Abstract: Naturally Occurring Benzoporphyrins: Bacterial Marker Pigments?
Authors: KAUR S. , CHICARELLI M. I. , MAXWELL J. R. 
Published: May 2016

AbstractThe monobenzoporphyrins (Ia) and (Ib), the most abundant rhodoporphyrins in a crude oil (Boscan; Cretaceous, Venezuela) are isolated and their structure is elucidated.
ChemInform Abstract: New Derivatives of meso‐(Tetra‐4‐pyridyl)porphin and Some of Their Transformations.
Authors: MADAKYAN V. N. , KAZARYAN R. K. , KHACHATRYAN M. A. , STEPANYAN A. S. , KURTIKYAN T. S. , ORDYAN M. B. 
Published: May 2016

AbstractAus dem Kobaltkomplex des meso‐(Tetrapyridyl)‐porphins (I) wird durch Umsetzung mit Bromwasserstoff und Cyclohexylamin der Komplex (II) erhalten, aus dem die verschiedenen Cyanderivate (III)‐(V) hergestellt werden.
ChemInform Abstract: Rate Constants for the Gas‐Phase Reactions of the OH Radical with a Series of Monoterpenes at 294 ± 1K.
Authors: ATKINSON R. , ASCHMANN S. M. , PITTS J. N. JUN. 
Published: May 2016

AbstractRelative to a rate constant for the reaction of OH radicals with 2,3‐dimethyl‐2‐butene of 1.12·10‐10cm3 molecule‐1sec‐1, the rate constants obtained were (in units of 10‐11 cm3 molecule‐1 sec‐1): α‐pinene, 5.45 ±0.32; β‐pinene, 7.95 ±0.52; Δ3‐carene, 8.70 ±0.43; d‐limonene, 16.9 ±0.5; α‐terpinene, 36 ±4.0; γ‐terpinene, 17.6 ±1.8; α‐phellandrene, 31.0 ±7.1; myrcene, 21.3 ±1.6; and ocimene (a cis‐, trans‐mixture), 25.0 ±1.9.
ChemInform Abstract: Formation of a Caryophyllene Derivative with cis‐Fusion of the Nonane and the Butane Carbocycles.
Authors: TKACHOV A. V. , MAMATYUK V. I. , DUBOVENKO ZH. V. 
Published: May 2016

AbstractThe oxymercuration ‐ demercuration sequenee of caryophyllene (I) affords the caryophylIane‐4,8‐oxide (II) with an unusual cis‐fusion of the nine‐ and the four‐membered rings as one of the products.
ChemInform Abstract: Cyclization of Cembrane Diterpenoids. Part 3. Formation of Eunicellane Formate from Cembrene.
Authors: RALDUGIN V. A. , SHEVTSOV S. A. , MAMATYUK V. I. , PENTEGOVA V. A. 
Published: May 2016

AbstractThe eunicellane formate (II) is isolated as one of the products from the reaction of cembrene (I) with formic acid.
ChemInform Abstract: Total Synthesis of Natural Estrone and Estradiol Methyl Ethers in Extremely High Enantiomeric Purity via an Asymmetrie Michael Addition to an Unsaturated Sulfoxide.
Authors: POSNER G. H. , SWITZER C. 
Published: May 2016

AbstractThe asymm. Michael addition of the lithium eno1ate(IIa)tothe chiral sulfoxide (IIIa) gives the key intermediate (IVa) in good yield but unsatisfactory se1ectivity in respect of the stereocenter at C‐14 (the degree of asymm. induction is determined via the en‐17‐o1 esters of Mosher acid).
ChemInform Abstract: Steroids. Part 322. Preparation of 2α,3α‐Dihydroxy‐7‐oxa‐6‐oxo‐23,24‐dinor‐B‐homo‐5α‐cholanic Acid, its Esters and Amides as Brassinolide Analogues.
Authors: CERNY V. , STRNAD M. , KAMINEK M. 
Published: May 2016

AbstractThe known dinorcholenate (I) is converted to the diacetate (VIIIa) by the sequence shown in the scheme.
ChemInform Abstract: Synthesis of Estradiol Haptens.
Authors: MUEHLENBRUCH B. + , KIRMEIER F. , ROTH H. J. 
Published: May 2016

AbstractDas Steroid (1) wird mikrobiell zu (II) aromatisiert und anschließend auf konventionellem chemischem Wege weiter in das Amin (V) umgewandelt.
ChemInform Abstract: Aldonic Acids. Part 6. Base‐Catalyzed Rearrangement of 6‐Bromo‐3,6‐dideoxyaldohexono‐1,4‐lactones.
Authors: BOCK K. , LUNDT I. , PEDERSEN C. 
Published: May 2016

AbstractReaction of the deoxy‐D‐arabino‐hexonolactone (II) [or the corresponding salt (I)] with HBr/Ac‐ OH gives the bromolactone (IIIa); the bromolactone (VIIb) is prepared from (VIIa) in a similar fashion.
ChemInform Abstract: Synthesis of the Carbohydrate Moiety of Bleomycin. 1,3,4,6‐Tetra‐O‐Substituted L‐ Gulose Derivatives.
Authors: KATANO K. , CHANG P.‐I. , MILLAR A. , POZSGAY V. , MINSTER D. K. , OHGI T. , HECHT S. M. 
Published: May 2016

AbstractAus D‐Glucose (I) werden die Gulose‐Derivate (II)‐(IV) neben zahlreichen anderen Verbindungen als Kohlenhydrat‐Bausteine fü‐r die Synthese des Antibioticums Bleomycin hergestellt.
ChemInform Abstract: 2,2,5‐Trimethyl‐1,3‐dioxolane‐4‐carboxaldehyde as a Chiral Synthon: Synthesis of the Two Enantiomers of Methyl 2,3,6‐Trideoxy‐α‐L‐threo‐ hex‐2‐enopyranoside, Key Intermediate in the Synthesis of Daunosamine and of (+)‐ and (‐)‐Rhodinose.
Authors: SERVI S. 
Published: May 2016

AbstractDie isomeren Aldehyde (Ia) und (Ib) werden als chirale Hilfsmittel eingesetzt.
ChemInform Abstract: A New Simple Synthesis of Amino Sugar β‐D‐Glycosylamines.
Authors: LIKHOSHERSTOV L. M. , NOVIKOVA O. S. , DEREVITSKAJA V. A. , KOCHETKOV N. K. 
Published: May 2016

AbstractDurch direkte Kondensation der freien Aminozucker (I) und (III) mit Ammoniumhydrogencarliefert.
ChemInform Abstract: Branched‐Chain Sugars. Part 38. Ring‐Opening Reactions of Some Branched‐Chain Anhydro Sugars Using Hydride and Azide as Nucleophiles.
Authors: KAWAUCHI N. , HASHIMOTO H. , YOSHIMURA J. 
Published: May 2016

AbstractDie Öffnung des Oxiranringes verschiedener verzweigter Anhydrozucker wie (II) und (III) führt, abhängig vom′ verwendeten nucleophilen Reagens und von der Stereochemie der jeweiligen Ausgangsverbindung, zu diaxialen (II) und (IV) bzw. diäquatorialen Öffnungsprodukten (V).
ChemInform Abstract: Building Blocks of Oligosaccharides. Part 62. Glycosidic Synthesis of N‐Acetylneuraminic Acid with Secondary Hydroxyl Groups.
Authors: PAULSEN H. , VON DEESSEN U. 
Published: May 2016

AbstractDie Glykosidsynthese zwischen dem Bromid (I) und der partiell geschützten Galaktose (II) liefert die anomeren Trisaccharide (IIIa) und (IVa), die nach bekannten Methoden zu den entsprechen‐ IKC den freien Verbindungen (IIId) und (IVd) entblockiert werden.
ChemInform Abstract: Synthesis and Thermal Chemistry of Isolevoglucosenone.
Authors: FURNEAUX R. H. , GAINSFORD G. J. , SHAFIZADEH F. , STEVENSON T. T. 
Published: May 2016

AbstractDurch Michael‐Addition von Benzylalkohol an Lävoglucosenon (I) wird die Anhydro‐2‐ulose (II) erhalten, deren Reduktion die epimeren Anhydrozukker (IIIa) und (IVa) liefert.
ChemInform Abstract: Synthesis of Alkaloids Using Reissert Compounds. Part 5. Synthesis of l‐(4′‐Hydroxy‐3′‐methoxybenzyl)‐7‐hydroxy‐6‐methoxyisoquinoline (Cristadine).
Authors: KOVACS L. , KEREKES P. 
Published: May 2016

AbstractThe‐ title compound (IV), recently isolated from plants (Leguminosae), is synthesized to prove its stlructure.
ChemInform Abstract: Synthesis of Imidazo[4,5‐c]pyridine and Imidazo[4,5‐d][1,2]diazepine Systems and Their Ribonucleosides.
Authors: FRANKOWSKI A. 
Published: May 2016

AbstractUV irradiation of the fused N‐iminopyridinium ylides (IIa) and (IIb) [both obtained from (Ia) by different methods] results in "the regiospecific formation of the 4‐aminoimidazopyridines (Ib) and (Ic).
ChemInform Abstract: Study of Chemical Carcinogenesis. Part 91. Reactions with Deoxyguanosine of 4‐(Carbethoxynitrosamino)‐1‐(3‐pyridyl)‐1‐butanone, a Model Compound for α‐Hydroxylation of Tobacco‐Specific Nitrosamines.
Authors: HECHT S. S. , LIN D. , CHUANG J. , CASTONGUAY A. 
Published: May 2016

AbstractWith a view to studying the interaction of (II) ‐ a possible metabolic α‐hydroxylation product of tobacco nitrosamines ‐ with the DNA bases, its stable precursor (I) is treated with "C‐labelled deoxyguanosine (III).
ChemInform Abstract: Stereochemical Course of the Phosphoryl Transfer from Adenosine 5′‐Diphosphate to Alcohols in Acetonitrile and the Possible Role of Monomeric Metaphosphate.
Authors: CULLIS P. M. , ROUS A. J. 
Published: May 2016

AbstractUsing the Iabeled species (I), it is shown that adenosine 5′‐diphosphate tris(tetra‐nÄ butylammonium) salt in dry MeCN phosphorylates alcohols such as (II) under conditions analogous to those previously reported.
ChemInform Abstract: Prodrugs of 5‐Ethyl‐2′‐deoxyuridine. Part 2. Syntheses and Antiviral Activities of 5′‐ and 3′‐Ester Derivatives.
Authors: KIEFER G. , KEPPELER K. , DE CLERCQ E. 
Published: May 2016

AbstractDie 3′‐Acylderivate der Desoxyuridine (IV) werden auf dem angegebenen Wege synthetisiert und im Vergleich mit den 5′‐Acylderivaten (V) auf antivirale Eigenschaften (HSV‐1) untersucht.
ChemInform Abstract: Total Synthesis Necessitates Revision of the Structure of Robustadials.
Authors: LAL K. , ZARATE E. A. , YOUNGS W. J. , SALOMON R. G. 
Published: May 2016

AbstractThe key steps in the synthesis oftarget compound (XI) are the Cu(I)‐catalyzed photobicyclization of (VIII) to give (lXa), followed by regioselective monodemethylation [‐ (IXb)] and BF3‐induced ring Closure to provide the diastereomeric mixture (Xa).
ChemInform Abstract: A Rapid Synthesis of Met‐Enkephalin Derivative by p‐Nitrobenzophenone Oxime Resin.
Authors: LEE Y.‐S. , YOU W.‐S. 
Published: May 2016

AbstractSuccessive coupling of the title oxime resin (I) (from polystyrene‐ l°/o divinylbenzene co‐polymer) with the amino acid units (II) (liquid‐phase method) (III), and (IV) (solid‐phase method) affords the fully protected peptide resin (V) which reacts with the Met ‐ Co(III) complex (VI) to give the pentapeptide complex (VII).
ChemInform Abstract: β‐Chloroethylcarbamoyl Derivatives of Enkephalin Analogs.
Authors: SUELI‐VARGHA H. + , MEDZIHRADSZKY‐SCHWEIGER H. , DIGLERIA K. , MEDZIHRADSZKY K. 
Published: May 2016

AbstractThe protected peptide derivatives (IIIa) and (VIIa) were synthesized using the isocyanate (II) for derivatization of (Ib) [from (Ia)] or of (VIb) [obtained starting from the hydrazide (IV)] at the NE‐position, or the Nm‐position, respectively.
ChemInform Abstract: Syntheses of Leukotriene Analogs.
Authors: SPUR B. , JENDRALLA H. , CREA A. , PETERS W. , KOENIG W. + 
Published: May 2016

AbstractDer Glycidaldehyd (I) wird nach Wittig zu einem Gemisch der Aldehyde (III)/ (IV) olefiniert und ohne Trennung weiter zu den im Titel genannten Verbindungen (VI) und (VII) umgesetzt, die dann chromatographisch getrennt werden.
ChemInform Abstract: Reversible Covalent Inhibition of Papain by a Peptide Nitrile.
Authors: MOON J. B. , COLEMAN R. S. , HANZLIK R. P. 
Published: May 2016

Abstract13C NMR experiments indicate that papain (I) interacts with the nitrile (II) via reversible formation of an adduct such as (III).
ChemInform Abstract: Simple and Condensed β‐Lactams. Part 3. Synthesis of Three Diastereomeric 6‐Methylisopenam‐3‐carboxylic Acids.
Authors: BERTHA F. , LEMPERT K. , KAJTAR‐PEREDY M. 
Published: May 2016

AbstractReaction of the propionyl Chloride (I) and the malonate (II) yields the β‐lactam (III), which undergoes partial deethoxycarbony‐ Iation to give a mixture of the diastereomeric esters (IVa) and (IVb).
ChemInform Abstract: Cyclic Platelet‐Activating Factor Analogues Derived from 2‐Deoxy‐D‐erythro‐pentose.
Authors: PHILLIPS M. L. , BONJOUKLIAN R. 
Published: May 2016

AbstractDie aus den partiell geschützten Pentofuranosiden (I) dargestellten anomeren Verbindungen (IIa) und (IIb) werden, wie im Formelschema skizziert, in die cyclischen 3‐Phosphocholin‐Derivate (III) übergeführt.
ChemInform Abstract: Catalytic Asymmetric Weitz‐Scheffer Reaction in the Presence of Bovine Serum Albumin.
Authors: COLONNA S. , MANFREDI A. 
Published: May 2016

AbstractIn Gegenwart von katalytischen Mengen an Rinderserum Albumin (BSA) (II) werden die Naphthochinone (I) sowie auch das trans‐Chalkon (IV) zu den entsprechenden Epoxiden (III) bzw. (W in mittleren Ausbeuten oxidiert.
ChemInform Abstract: Chemistry and Structures of Phosphides and Polyphosphides. Part 40.
Authors: HOENLE W. + , VON SCHNERING H. G. 
Published: May 2016

AbstractIt is shown by 31P NMR that solutions of the mixed crystals Rb3[P7‐,As,] (synthesized from the elements in sealed Ta tubes at 900 K) in ethylenediamine contain the entire series of the P7‐,As" anions.
ChemInform Abstract: Preparation and Characterization of Fluorite‐Related Superstructure Phases Sr2RF7, with R: Sm ‐ Lu and Y.
Authors: GREIS O. , CADER M. S. R. 
Published: May 2016

AbstractThe systematic investigation of the binary Systems SrF2‐ RF, with R: La ‐ Nd, Sm ‐ Lu, and Ycon?rms the cxistence of the title phases.
ChemInform Abstract: Cesium Amidometallates of Gadolinium, Ytterbium, and Yttrium with Perovskite‐Related Atomic Arrangement, Cs3M2(NH2)9.
Authors: JACOBS H. , PETERS D. , HASSIEPEN K. M. 
Published: May 2016

AbstractIn the Cs‐ M ‐ NH3 systems (M; Gd, Yb, Y) the amides Cs3M2(NH2)9 have been detected by high pressure syntheses in NH3 and X‐ray phase analysis.
ChemInform Abstract: Vibrational Spectra and Structure of AlCl3NH3 and Molten Mixtures wilh MCl‐ AlCl3 (M: Li, Na, K or Cs).
Authors: OSTVOLD T. , RYTTER E. , PAPATHEODOROU G. N. 
Published: May 2016

AbstractThe main spectral Features of gaseous AlCl3NH, having C3v symmetry are retained in the molten and glassy states.
ChemInform Abstract: Spectral Characterization and Kinetics of Formation of Hypoiodous Acid in Aqueous Solution.
Authors: PALMER D. A. , VAN ELDIK R. 
Published: May 2016

AbstractThe spectrum of HOl, obtained by utilizing the anion‐exchange capacily of[Hg3CO(Cl0.)]", exhibits an absorption maximum at 278 nm.
ChemInform Abstract: Kinetic Studies of the Reaction of the SO Radical with NO2 and ClO from 210 to 363 K.
Authors: BRUNNING J. , STIEF L. J. 
Published: May 2016

AbstractThe reaction rates of the reactions Aand Bhave been determined in a discharge flow system near l Torr pressure with detection of radical and molecular species using collision‐free sampling MS.
ChemInform Abstract: Kinetics of Hydration of Calcium Sulphate Hemihydrate.
Authors: FUJII K. , KONDO W. 
Published: May 2016

Abstractα‐CaSO" 0.5 H2O particles dissolve immediately after mixing with H2O and subsequemly form hydraled layers on their surfaces which grow to a thickness of ‐ 0.09 um according to a parabolic law and then undergo destruction when the dihydrate nuclei are generated for the first time.
ChemInform Abstract: Zeolite Supported Iron Oxide as Catalyst or Catalyst Precursor for Hydrocarbon Conversion Reactions.
Authors: BEIN T. , TIELEN M. , JACOBS P. A. 
Published: May 2016

AbstractNaY zeolites containing a encaged Fezoyphase (lowL‐′Vo Fe) have been prepared by saturating NaY with Fe(CO)5 at 295 Kand subsequent oxidation in a diluted (O.l%) O2 flow (295 K).
ChemInform Abstract: A New Linear Dichroism Approach for Determining Solute Orientations Within Anionic Micelles.
Authors: SAMORI B. , MATTIVI F. 
Published: May 2016

AbstractPreferred orientation of several aromatic hydrocarbons such as naphthalene, phenanthrene, 9,10‐dimethylanthracene, as well as dibenzothiophenc′ within the host micelles are drastically affected by the presence of heterocyclic nitrogens (as in phenazine, acridine, or carbazole) due to strong specific grasping a: the polar micelle surface by the nitrogens.
ChemInform Abstract: Dienone‐Phenol Rearrangement of (+)‐2′‐Demethoxydehydrogriseofulvin into a 4‐Methylxanthone Derivative.
Authors: ODA T. , YAMAGUCHI Y. , SATO Y. 
Published: May 2016

AbstractDas Dehydrogriseofulvin (IV) lagert in Gegenwarl von Mgl, zum Xanthon (III) um, das mit Acetanhydrid (II) das Acetat (I) liefen p‐ Toluolsulfonsäure (V) und (IV) machen das Xanthon (VI) zugänglich, das mit (II) h′ zum Acetat (VII) reagiert.
ChemInform Abstract: Photochemical Reactions. Part 147. Further Investigation of the Photochemistry of 5,6‐Epoxy‐5,6‐dihydro‐β‐ionone: Product Formation via a Carbonyl ‐ Ylide Intermediate.
Authors: O'SULLIVAN A. , FREI B. , JEGER O. 
Published: May 2016

AbstractIn addition to l0 previously identified compounds, (III)‐(V) are isolatcd from the product mixture arising from photolysis of the title compound (I) in MeCN.
ChemInform Abstract: Catalyzed Dehydrogenation of Primary Alcohols with Molecular Oxygen.
Authors: HOEFT E. + , DAHLMANN J. , RUEFFER L. + 
Published: May 2016

AbstractUsing the Rh/Cu catalytic system, prim. (and sec.) alcohols such as (I) can be converted to (II) (main product) and (III) under relatively mild conditions with selectivities of 60‐80% (based on consumed O2).
ChemInform Abstract: Monomethylation of Aromatic Rings by Friedel‐Crafts Reaction with Chloromethyl Sulfide.
Authors: TAMURA Y. , ANNOURA H. , FUJI M. , OKURA M. , ISHIBASHI H. 
Published: May 2016

AbstractDie aus den Thiolen (I) mit Bromchlormethan (II) und Natriumhydrid darstellbaren Chlormethylthioether (III) alkylieren die Aromaten (IV) unter SnCh‐Katalyse zu den Benzylsulfiden (V), die sich mit Raney‐Nickel oder Zn in Essigsäure reduktiv zu den Methylaromaten (VI) spalten lassen.
ChemInform Abstract: Studies on Quaternary β‐Ketoalkyl Iodides and Triiodides of Some Heterocyclic Bases.
Authors: SAXENA J. P. , LODHA V. , KHIVSARA P. 
Published: May 2016

AbstractDie Reaktion von Isobutyl‐methylketon (I) mit den aromatischen Sticksto?′ basen (II) führt zu den quaternären Iodiden (III).
ChemInform Abstract: The Synthesis and Neurotropic Activity of Sulfur‐Containing Vinylacetylene Carbinols.
Authors: GULIN A. V. , SABIROV S. S. , KHAIDAROV K. KH. 
Published: May 2016

AbstractDie Grignard‐Verbindung (I) von Isopropenylacetylen reagiert mit den K losul?den (II) zu den Vinylacetylencarbinolen (III).
ChemInform Abstract: Synthesis of Thiocarbamide Derivatives of β‐Alanine and Aminalone and Study of Their Radioprotective Action.
Authors: GOLUBEV A. A. , SHLYKOV YU. V. , MANDRUGIN A. A. , SEMENENKO M. N. , FEDOSEEV V. M. , DONTSOVA G. V. , RAKHMANINA I. N. , KONSTANTINOVA M. M. 
Published: May 2016

AbstractDie w‐Aminocarbonsäuren (I) werden nach Schutz der Aminogruppe in Form des Phthalyldcrivates (II) in α‐Stellung bromien und dann mit Thioharnstoff zu den Isothiuroniumsalzen (III) umgesetzt.
ChemInform Abstract: 10,10′‐Bi(trispiro[2.0.2.0.2.1]decylidene): A Highly Nucleophilic Olefinic Hydrocarbon.
Authors: WENCK H. , DE MEIJERE A. , GERSON F. , GLEITER R. 
Published: May 2016

AbstractThe title compound (III) can be prepared with only poor yicld by a Ti induced reductive coupling in addition to the main product (II).
ChemInform Abstract: Simple Synthesis of trans‐3,4‐Bis(methoxycarbonylmethyl)cyclopentanone.
Authors: AMEMIYA S. , KOJIMA K. , OKANO K. , FUNAKOSHI K. , SUEMUNE H. , SAKAI K. 
Published: May 2016

AbstractDer Dibromadipinsäurediester (I) liefert mit Na‐methylat (II) und dem Malonester(IV) über den Muconsäurediester (III) das Bismethoxycarbonylmethylcyclopentanon (V) neben wenig Bicyclooctandion (VI).
ChemInform Abstract: Derivatives Claisen/Ozonolysis Alternative to Alkylation of Enolate Anions.
Authors: CARMAN L. , KWART L. D. , HUDLICKY T. 
Published: May 2016

AbstractAus den Allylalkoholen (I), (IV) und (VII) erhält man durch Umsetzung mit Triethylorthoacetat und nachfolgende Claisen‐Umlagcrunl die yß‐ungesättigten Ester (II), (V) und (VIII), die zu den 1,4‐Dicarbonylverbin.
ChemInform Abstract: Z Stereoselective Wittig Olefination of 2‐Oxygenated Cyclohexanones.
Authors: KOREEDA M. , PATEL P. D. , BROWN L. 
Published: May 2016

AbstractDie Cyclohexanone (I) bzw. (IV) werden nach Wittig zu isomeren Olefinen (II) und (III) bzw. (V) und (VI) kondensiert, wobei (II) bzw. (V) stereospezifisch begünstigt werden.
ChemInform Abstract: Organic Reactions at High Pressure: Cycloadditions of 11‐Methylene‐1,6‐methano[10]annulene.
Authors: KLAERNER F.‐G. + , DOGAN B. M. J. , WEIDER R. , GINSBURG D. , VOGEL E. 
Published: May 2016

AbstractThe addition of dicyanoacetylene (II) to the methanoannulene (I) leads, under normal pressure in pentane zu 60°C, to a crystalline Diels‐Alder adduct (yield 3‐4%) which exists in solution as two valence tautomers [the methylenenorcaradiene‐heptafulvene system (III)/(IV)].
ChemInform Abstract: Bicyclo[2.2.2]octane Derivatives. Part 3. Stereoisomeric 2,3,5,6‐Tetracarbomethoxybicyclo[2.2.2]octanes.
Authors: IORDACHE F. , CHIRALEU F. , STANESCU L. , BADEA F. , AVRAM M. 
Published: May 2016

AbstractDie basenkatalysiene Isomerisierung eines jeden Esters (I)‐(IV) fühn zu einem Gleichgewichtsgemisch aller vier Ester.
ChemInform Abstract: Preparation und Cyclodehydratation of β‐Arylaminocrotonaldehyde.
Authors: ONO M. , TODORIKI R. , TAMURA S. 
Published: May 2016

AbstractDie aus dem β‐Chlor‐crotonaldehyd (I) mit den Anilinen (II) erhaltenen Enaminoimine ([11) 3;‐ sen sich zu den Arylaminocrotonaldehyden (IV) hydrolysieren.
ChemInform Abstract: Synthesis und Properties of Some Alkyl Esters of N‐Benzyl‐N‐phenyl‐β‐alanine and N‐(β‐Phenylethyl)‐N‐phenyl‐β‐alanine.
Authors: KRASKA J. , SOKOLOWSKA‐GAJDA J. 
Published: May 2016

AbstractDie Aniline (Ia)‐(Ic) werden mit Benzylchlorid (II) zu (III) benzylien und mit den Acrylestern (IV) weiter in die β‐Aminopropionsäureester (V) übergeführt.