bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Fulvenes, Fulvalenes. Part 48. Synthesis of Triafulvene Precursors for Retro‐Diels‐Alder‐Reactions.
Authors: KREBS J. , GUGGISBERG D. , STAEMPFLI U. + , NEUENSCHWANDER M. 
Published: May 2016

AbstractThe triafulvene precursors exo‐(VI) and endo‐(VI I) are prepared by addition of dibromocarbene to benzobarrelene (I) followed by a Iithium‐halogen exchange, methylation, and elimination of HBr.
ChemInform Abstract: Synthesis of Phosphonium Salts, Phosphorus Ylides and Unsaturated Ketones of 3‐ and 5‐Acetyl Derivatives of Acenaphthene.
Authors: SHEVCHUK M. I. , MUKAILU V. G. , LABA V. I. , SVIRIDOVA A. V. 
Published: May 2016

AbstractAus 3‐ bzw. 5‐Bromacetylacenaphthen (I) entstehen die Phosphoniumsalze (II) und weiter die Phosphorylide (III).
ChemInform Abstract: A New Synthetic Route for 3,4‐Disubstituted Tetrahydrothiophenes and a New Fragmentation of Their Ring System.
Authors: AONO M. , TERAO Y. , ACHIWA K. 
Published: May 2016

AbstractDesilylierung der Tetrahydrothiophene (I) mit Caesiumfluorid in HMPA oder Acetonitril liefert die im Titel genannten Verbindungen (II).
ChemInform Abstract: 2,2‐Disubstituted‐1,2‐dihydro‐3H‐indol‐3‐ones by Base‐ and Thermal‐Induced Cyclisations of o‐Azidophenyl s‐Alkyl Ketones and o‐Azidobenzoyl Esters.
Authors: AZADI‐ARDAKANI M. , ALKHADER M. A. , LIPPIATT J. H. , PATEL D. I. , SMALLEY R. K. , HIGSON S. 
Published: May 2016

AbstractThermal decomposition of the o‐azidoaryl ketones (I) gives the benzisoxazoles (II).
ChemInform Abstract: The Regioselective Preparation of 1‐Alkene‐3‐ones by the Reaction of 3‐(1‐Imidazolyl)‐2‐alken‐1‐ones with Organometallic Compounds.
Authors: KASHIMA C. , HIBI S. , SHIMIZU M. , TAJIMA T. , OMOTE Y. 
Published: May 2016

AbstractReaktion der Imidazolylalkenone (I) mit Metallorganylen führt zu den Addukten (II), die sauer zu den 1‐Alken‐3‐onen (III) und den Alkadienylimidazolen (IV) hydrolysiert werden.
ChemInform Abstract: A Reinvestigation of the Synthesis of 1,2‐Dihydro[1,2]diazepin‐3‐ones from Pyrones.
Authors: PEET N. P. , SUNDER S. 
Published: May 2016

AbstractReaktion des gemäß Schema hergestellten Hydroxy‐pyranons (V) mit Hydrazinhydrat liefert nicht wie früher beschrieben das Diazepinon (XIV), sondern das Hydroxy‐dihydropyridinon (VI), das zum N‐Aminopyridon (VII) dehydratisiert wird.
ChemInform Abstract: Reaction of Aromatic N‐Oxides with Dipolarophiles. Part 11. 1,3‐Dipolar Cycloaddition Reaction of Pyridine N‐Oxides with Tosyl Isocyanate and One‐Pot Synthesis of 2‐Oxooxazolo[4,5‐b]pyridine Derivatives.
Authors: HISANO T. , HARANO K. , FUKUOKA R. , MATSUOKA T. , MURAOKA K. , SHINOHARA I. 
Published: May 2016

AbstractDie Reaktion der Pyridin‐N‐oxide (I) mit p‐Toluolsulfonylisocyanat (II) wird untersucht.
ChemInform Abstract: Synthesis of 4‐Heterocyclyl‐hexahydro‐8‐methoxyfuro[3,2‐c]quinolines by Lewis Acid Catalyzed [4 + 2]Cycloaddition Reaction.
Authors: KAMETANI T. , FURUYAMA H. , FUKUOKA Y. , TAKEDA H. , SUZUKI Y. , HONDA T. 
Published: May 2016

Abstractp‐Anisidin (I) liefert mit den Aldehyden (II) die Imine (III), die mit 2,3‐Dihydrofuran (IV) zu den Addukten (V) umgesetzt werden.
ChemInform Abstract: Synthesis and Reactions of Arylamides of 8‐Benzylidene‐2‐methyl‐ 5,6,7,8‐tetrahydroquinoline‐3‐carboxylic Acid.
Authors: SIGOVA V. I. , KONSHIN M. E. 
Published: May 2016

AbstractDie Kondensation des 2‐Methyl‐tetrahydrochinolincarbonsäureesters (I) mit Benzaldehyd und Acetanhydrid liefert anstelle des erwarteten Styrylderivates den 8‐Benzylidencarbonsäureester (III).
ChemInform Abstract: Synthesis of 6,7‐Bis(trifluoromethyl)‐8‐substituted Pteridine‐2,4(1H,3H)‐dione (Lumazine) Hydrates from 4,5‐Diaminouracil Hydrochlorides and Perfluorobutane‐ 2,3‐dione. Stabilization of the Transmolecular Covalent Hydrates of 8‐Substituted Pteridinediones by Trifluoromethyl Groups.
Authors: CUSHMAN M. , WONG W. C. , BACHER A. 
Published: May 2016

AbstractThe reaction of the perfluorobutane‐ 2,3‐dione (I) with the diaminouracil hydrochlorides (II) followed by treatment with H2O gives the lumazine hydrates (III).
ChemInform Abstract: Synthesis of Pyrazolo[4,5‐d]‐ and Pyrazolo[4,5‐c][1]benzazepine Derivatives. Part 4.
Authors: MELANI F. , CECCHI L. , PALAZZINO G. , FILACCHIONI G. 
Published: May 2016

AbstractAus den Pyrazolocarbonsäuren (I) entstehen über die Säurechloride und Diazomethylketone die homologen Ester (II), die nach katalytischer Hydrierung zu den Aminen (III) mit Methylat zu den Benzazepinen (IV) cyclisiert werden können.
ChemInform Abstract: Hydrolysis of Oxygen Containing Tetraarylphosphonium Salts.
Authors: BUKACHUK O. M. , NIKULA M. G. , BELENKOV V. N. , SHEVCHUK M. I. 
Published: May 2016

AbstractDie Tetraarylphosphoniumsalze (I) reagieren mit einem dreifachen Überschuß an Natriumethylat sowohl unter Abspaltung des Phenyl‐ als auch des Acylphenyl‐Restes zu den Verbindungen (II)‐(V).
ChemInform Abstract: Phosphorous Compounds of Unusual Coordination. Part 8. New Phosphaalkynes and Their [3 + 2]Cycloaddition Reactions.
Authors: ROESCH W. + , VOGELBACHER U. , ALLSPACH T. , REGITZ M. 
Published: May 2016

AbstractTris‐(trimethylsilyl)‐phosphin (II) reagiert mit den Carbonsäurechloriden (Ia)‐(Ic) glatt zu den Phosphaalkenen (IVa)‐(IVc).
ChemInform Abstract: Iron(III) Complexes of Sugar‐type Ligands.
Authors: NAGY L. , BURGER K. , KUERTI J. + , MOSTAFA M. A. , KORECZ L. , KIRICSI I. 
Published: May 2016

AbstractIron(III) complexes of I8 sugar‐type ligands (aldoses, ketoses, polyalcohols,sugar acids, di‐ and trisaccharides) are prepared.
ChemInform Abstract: Structure of Tricarbonyl(diene)iron Complexes in Solution. Variable‐Temperature Circular Dichroism of trans‐μ‐(2,3,5,6‐Tetramethylidenebicyclo[2.2.2]octane)bis(tricarbonyliron) Complexes.
Authors: GABIOUD R. , VOGEL P. 
Published: May 2016

AbstractMethylenation of the optically pure, doubly complexed ketone (+)‐(I) gave the corresponding pentaene ( ‐ )‐(II) whose chirality arises from the trans‐configuration of the two Fe(CO)3 moieties.
ChemInform Abstract: Anion Selectivity of Metalloporphyrins in Membranes.
Authors: AMMANN D. , HUSER M. , KRAEUTLER B. + , RUSTERHOLZ B. , SCHULTHESS P. , LINDEMANN B. , HALDER E. , SIMON W. 
Published: May 2016

AbstractThe lipophilic complexes (I) act as positively charged carriers for anions and induce anion selectivities in solvent polymeric membranes clearly deviating from the classical anion exchangers.
ChemInform Abstract: Synthesis and Catalytic Properties of Mixed Nickel Acetylacetonate Complexes.
Authors: SPEVAK V. N. , LOPES KH. , AREA O. , VOLOSHINA N. F. , SKVORTSOV N. K. , REIKHSFEL'D V. O. 
Published: May 2016

AbstractDer Nickel‐acetylacetonat‐Komplex (I) bildet mit den Phosphinen (II), (IV) und (VI) in Alkoholen mit Ausbeuten von 70‐85% die Komplexe (III), (V) und (VII).
ChemInform Abstract: ESR Studies of One‐electron Reduction Products of Nickel(II) and Palladium(II) Complexes Containing Tetrathiomolybdate, Tetrathiotungstate, and Dialkyldithiocarbamate Ligands.
Authors: BOWMAKER G. A. , BOYD P. D. W. , CAMPBELL G. K. , ZVAGULIS M. 
Published: May 2016

AbstractThe redox properties of the title complex (I) have been studied using d.c.
ChemInform Abstract: Catecholato Complexes of Ruthenium, Iridium, Rhenium, Molybdenum, and Tungsten.
Authors: GRIFFITH W. P. , PUMPHREY C. A. , RAINEY T.‐A. 
Published: May 2016

AbstractThe reaction of catechol in base with tris(acetylacetonato)ruthenium(III), hexachloroiridate or IrCl3 and hexachlororhenate under anaerobic conditions in the presence of [PPh4]+ yields the new Catecholato complexes (I).
ChemInform Abstract: A Synthesis of 2‐β‐Ribofuranosyl‐4‐selenazol Z‐β‐Ribofuranosyl‐4‐seIenazo|ecarboxamide (Selenazofurin) and Certain N‐Substituted Amide Derivatives Suitable for Large Scale Syntheses.
Authors: COOK P. D. , MCNAMARA D. J. 
Published: May 2016

AbstractAus dem Ribofuranosyl‐Derivat (I) erhält man über das Nitril (II) mit Selenwasserstoff das Selen‐amid (III), das mit Brom‐brenztraubensäureester (IV) zum Selenazol (V) führt.
ChemInform Abstract: Application of Compositionally Diphasic Xerogels for Enhanced Densification: The System Al2O3‐ SiO2.
Authors: KOMARNENI S. , SUWA Y. , ROY R. 
Published: May 2016

AbstractStoichiometric mullite and 80 wt.‐% Al2O3 ‐ 20 SiOz gels have been prepared by the single‐phase and the diphasic routes.
ChemInform Abstract: Raman Spectroscopic Studies of UO22+ Association with Hydrolytic Species of Group IV (4) Metals.
Authors: SHERROW S. A. , TOTH L. M. , BEGUN G. M. 
Published: May 2016

AbstractThe Raman spectra ofZr(IV)/UO%+ and Hf(IV)/UO%+ solutions indicate that U0?" is complexed by the Zr(IV) and Hf(IV) hydrolytic species.
ChemInform Abstract: New All‐Vanadium Redox Flow Cell.
Authors: SKYLLAS‐KAZACOS M. , RYCHCIK M. , ROBINS R. G. , FANE A. G. , GREEN M. A. 
Published: May 2016

AbstractAlaboratory‐scale cell has been designed and constructed to test the performance of the V(II)/V(III) and V(IV)/V(V) halfcells in an all‐vanadium redox battery.
ChemInform Abstract: NMR Isotope Shift and Perturbational MO Study of Conformation and Hyperconjugation in Cyclopentyl Cations.
Authors: BOTKIN J. H. , FORSYTH D. A. , SARDELLA D. J. 
Published: May 2016

AbstractThe 1‐methylcyclopentyl cation is shown to exist in the twist conformation by NMR isotope shift investigations of the partially deuterated cations (II).
ChemInform Abstract: Microporous Aluminum Oxide Films at Electrodes; Part 3. Lateral Electron Transport in Self‐Assembled Monolayers of N‐Methyl‐N′‐octadecyl‐4,4′‐bipyridinium Chloride.
Authors: MILLER C. J. , MAJDA M. 
Published: May 2016

AbstractThe direct electrochemical measurement of lateral electron transport in an amphiphilic monolayer consisting of (I) and (II) is reported.
ChemInform Abstract: Evidence for a Rate‐Determining Solvation Change in Methyl Transfer to Water.
Authors: KURZ J. L. , LEE J. , LOVE M. E. , RHODES S. 
Published: May 2016

AbstractRate laws and HzO/ D2O KIE′s are measured for the reactions of l‐methylthiophenium hexafluorophosphate, methyl perchlorate, and methyl trifluoromethanesulfonate with dilute solutions of water in MeCN or sulfolane.
ChemInform Abstract: Cycloaddition Reactions of 2‐Pyrones and Related Compounds. Part 4. . Intramolecular "Diene‐Regenerable" Diels‐Alder Reaction of 2‐Pyrone‐6‐carboxamides: Preparation and Reaction of F used 1,3‐Cyclohexadiene Systems.
Authors: NOGUCHI M. , KARIMOTO S. , KAWAKAMI H. , KAJIGAESHI S. 
Published: May 2016

AbstractReactions of the allylamines (II) or (V) with the pyrone (I) yield Z‐pyrone‐ö‐carboxamides which undergo an intramolecular Diels‐Alder reaction to give the adducts (III) or (VI).
ChemInform Abstract: Trifluoropyruvic Acid Hydrate in Heterocyclic Synthesis. Part 2. Synthesis of Trifluoromethylated Benzoxazine, Benzothiazine and Benzoxazole Derivatives.
Authors: MUSTAFA M. E. , TAKAOKA A. , ISHIKAWA N. 
Published: May 2016

AbstractTrifluorbrenztraubensäuremonohydrat (I) reagiert mit den Aminophenolen (II) zu einem Gemisch aus den Dihydrobenzoxazinonen (III), den Benzoxazinen (IV) und den Dihydrobenzoxazolen (V).
ChemInform Abstract: IR Multiphoton Isomerization Reactions of Alkenes and Dienes.
Authors: LEWIS F. D. , TENG P. , WEITZ E. 
Published: May 2016

AbstractThe IR multiphoton laser‐induced unimolecular isomerization reactions of several alkenes such as 2‐butene, 2‐pentene, 2‐hexene, crotonitri1e, methyl and ethyl crotonate, or 1,3‐ and 1,4‐pentadiene are investigated.
ChemInform Abstract: Reactions of 3‐Butine‐2‐methyl‐2‐ol with Isothiocyanates.
Authors: KUTSCHY P. , DZURILLA M. , KNIEZO L. , BERNAT J. , IMRICH J. , KRISTIAN P. , NADASKAY R. 
Published: May 2016

AbstractThe title compound (I) is converted to its alkoxide ion by reaction with NaH in DMF at ‐ 20°C. The reaction of this alkoxide anion with various isothiocyanates at room temp. leads to different products, depending on the nature of the group attached to the NCS group of the isothiocyanates.
ChemInform Abstract: The Chemistry of 2H‐3,1‐Benzoxazine‐2,4(1H)‐dione (Isatoic Anhydride). Part 19.Direct Formation of 2‐Aminobenzyl Alcohols from the Reduction of N‐Substituted Isatoic Anhydrides.
Authors: COPPOLA G. M. 
Published: May 2016

AbstractMit Boranat erhält man aus den Isatosäureanhydriden (Ia)‐ (Id) die 2‐Amino‐benzylalkohole (IIa)‐(IId).
ChemInform Abstract: Asymmetric Alkaloid Synthesis from (S)‐Pyroglutamic Acid. Part 1. Synthesis of(S)‐5‐Ethyl‐2‐pyrrolidinone.
Authors: MARCO J. L. 
Published: May 2016

AbstractDas aus (I) hergestellte Tosylat (II) reagiert mit Dimethyllithiumcuprat zum Methylierungsprodukt (III), das zu (IV) geschwefelt und dann in das Methyl‐thioderivat (V) übergeführt wird.
ChemInform Abstract: The Reactions of 1‐Methylpyrrole and 1‐Phenylpyrrole with 3,4,5,6‐Tetrachloro‐ 1,2‐benzoquinone and 1,2‐Naphthoquinone.
Authors: SAITO K. , HORIE Y. 
Published: May 2016

AbstractTetrachlororthobenzochinon (I) reagiert mit den Pyrrolen (II) zu den Pyrrolylhydroxycyclohexadienonen (III), das Naphthochinon (IV) und (II) machen das Pyrrolyldihydronaphthochinon (V) zugänglich.
ChemInform Abstract: Novel Synthesis of Pyrrolo[1,2‐a]pyrrole Derivatives.
Authors: KADUSHKIN A. V. , STEZHKO T. V. , GRANIK V. G. 
Published: May 2016

AbstractDie aus dem Cyanomethylpyrrolidon‐diethylacetal (I) durch Umsetzung mit CH‐aktiven Verbindungen (II) gebildeten Enaminonitrile (III) cyclisieren unter milden alkalischen Bedingungen zu Dihydropyrrolopyrrolen (IV).
ChemInform Abstract: Synthesis of Aldehyde and Carboxylic Acid Derivatives from 2‐Hydroxymethyl‐3‐hydroxy‐4H‐pyran‐4‐one (α‐Hydroxymaltol).
Authors: LOOKER J. H. , CLIFFTON M. D. 
Published: May 2016

Abstractα‐Hydroxymaltol (Ia) liefert in üblicher Weise die Ether (Ib)‐(Id).
ChemInform Abstract: Benzocycloheptapyridines. Analogs of Azatadine.
Authors: HALCZENKO W. , SHEPARD K. L. 
Published: May 2016

AbstractNicotinsäureester (I) und p‐ Brom‐phenylacetonitril (II) werden zu (IIIa) kondensiert, zu (IIIb) verseift und decarboxyliert und dann zu dem N‐Oxid (IV) umgesetzt.
ChemInform Abstract: A Convenient Synthesis of 1‐Substituted‐2,5(4H)‐Piperazinediones.
Authors: LOVELETTE C. A. , GEAGAN K. 
Published: May 2016

AbstractAus den Dipeptiden (II) erhält man mit Acrylnitril (Ia) und Methylacrylat (Ib) die Addukte (III), die thermisch zu Piperazin‐dionen (IV) bzw. (V) führen.
ChemInform Abstract: Synthesis of NSC‐341,964: An Unexpected Study on the Stability of 2‐Aryl‐4H‐3,1‐benzoxazin‐4‐ones.
Authors: JOHNSON J. L. , PATTISON I. 
Published: May 2016

Abstract3‐Methyl‐benzoylchlorid (I) reagiert über das Amid (III) zum Benzoxazinon (IV).
ChemInform Abstract: Synthesis of Sulfur and Nitrogen Analogues of Monooxo Crown Ethers.
Authors: MATSUSHIMA K. , NAKATSUJI Y. , KAWAMURA N. , OKAHARA M. 
Published: May 2016

AbstractAus den Poly‐ethylenglykol‐chlorhydrinen (I) und Thio‐essigsäure (II) erhält man die Makrocyclen (III), analog entstehen aus den Amino‐Derivaten (IV) mit Brom‐essigsäure (V) die Makrocyclen (VI).
ChemInform Abstract: Geminal Systems. Part 28. Alcoholysis of N‐Chloro‐N‐alkoxyamides and the Synthesis of N,N‐Dialkoxyureas.
Authors: RUDCHENKO V. F. , SHEVCHENKO V. I. , KOSTYANOVSKII R. G. 
Published: May 2016

AbstractDie N‐Chlor‐N‐alkoxy‐amide (I) werden durch Triethylamin in Methanol zu den Amiden (II) dehalogeniert.
ChemInform Abstract: 1,3‐Diphospha‐1,3‐butadiene.
Authors: APPEL R. , FOELLING P. + , SCHUHN W. , KNOCH F. 
Published: May 2016

AbstractDas Phosphaketen (I) addiert das Phosphaalken (II) zum Diphospha‐butadien (III); derartige Verbindungen werden auch aus Tris‐ (trimethylsilyl)‐phosphan (IV) durch Addition von (I) zu (V) und anschließende Acylierung mit (VI) erhalten.
ChemInform Abstract: Synthesis of Skeletally Stabilized Acyclic Triphosphazanes.
Authors: BARENDT J. M. , HALTIWANGER R. C. , NORMAN A. D. 
Published: May 2016

AbstractReaction of 1,2‐diaminobenzene (I) with excess P(NEt2)3 results in near quantitative formation of triphosphazane (II).
ChemInform Abstract: Gallium Analogues of Iron‐Sulfide‐Thiolate Compounds. Analysis of the Structural Parameters in Gallium(III) and Iron(III) Chalcogenide Compounds.
Authors: MAELIA L. E. , KOCH S. A. 
Published: May 2016

AbstractThe Ga Compounds (I)‐(III) (isolated as their NEt4, NPr4, or PPh4 salts) were prepared from GaCl3 or [GaCl4]′ and the corresponding lithium thiolates in EtOH.
ChemInform Abstract: Reactions of Bis[1,2‐bis(dimethylphosphino)ethane]bis(dinitrogen)chromium(0) and ‐bis(carbonyl)chromium(0) with Acids and Oxidizing Agents.
Authors: SALT J. E. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B. 
Published: May 2016

AbstractThe interaction of (II) with HCl gives the eight‐coordinate Cr(IV) species (I) (the only other eight‐coordinate Cr(IV) species (III) has been characterized previously), whereas CF3COOH gives (IV).
ChemInform Abstract: Multicoordinatively and Multielectronically Unsaturated Transition‐Metal Complex Negative Ions: Generation and Chemistry of (OC)2Fe‐ and (OC)3Mn‐.
Authors: MCDONALD R. N. , CHOWDHURY A. K. , JONES M. T. 
Published: May 2016

AbstractThe generation of two multicoordinatively and multielectronically unsaturated negative ions, the 13 electron (CO)2Fe‐ ‐ and the 14 electron (OC)3Mn‐ species, occurs in the vicinity of the electron gun (at emission current = 10‐12 mA) due to rapid cooling of the energetic electrons.
ChemInform Abstract: Photoinduced Electron‐Transfer Reactions of Poly(pyridine)ruthenium(II) Complexes with Europium(IlI/ II) Cryptates.
Authors: SABBATINI N. , DELLONTE S. , BONAZZI A. , CIANO M. , BALZANI V. 
Published: May 2016

AbstractRate constants for electron‐transfer reactions between the excited states of the RuLä+ ‐type complexes (I)‐(III) and the europium cryptates [EuC2.2.1]3+ and [EuC2.2.1]2+ have been measured in aqueous solution by luminescence quenching techniques.
ChemInform Abstract: Synthesis of a New Type of Metal Dithiolene Complex via an Induced Reaction of Acetylenes with a Ruthenium Sulfide.
Authors: RAUCHFUSS T. B. , RODGERS D. P. S. , WILSON S. R. 
Published: May 2016

AbstractThe air‐stable (p,n2‐S2)(u,n′‐S2) starting Complex (II) is prepared along with Cp 4Ru4S6(yie1d 20%) by oxidation of the tetracarbonyl Complex (I) with S8.
ChemInform Abstract: Synthesis of Standardized Building Blocks as a β‐D‐Mannosyl Donors with a Temporary Protection to be 3,6‐Di‐O‐glycosyl Acceptors, for Constructing the Inner Core of Glycoproteins and Artificial Antigens.
Authors: EL ASHRY E. S. H. , SCHUERCH C. 
Published: May 2016

AbstractAsynthetic scheme has been achieved for the core block of glycoproteins with D‐mannose configuration, which is standardized to be a 3,6‐di‐O‐glycosyl acceptor and react stereoselectively as a β‐D‐mannosyl donor.
ChemInform Abstract: Approaches to Selective Benzylation of Primary Hydroxy Groups.
Authors: BOVIN N. V. , MUSINA L. YU. , KHORLIN A. YA. 
Published: May 2016

AbstractDie Benzylierung des Triols (I) über das Thalliumsalz in DMF verläuft selektiv in 6‐Stellung.
ChemInform Abstract: Sucrochemistry. Part 35. The Use of Pivalic Esters of Sucrose for the Synthesis of Chloro, Azido, and Anhydro Derivatives.
Authors: CHOWDHARY M. S. , HOUGH L. , RICHARDSON A. C. 
Published: May 2016

AbstractDas aus Sucrose leicht zugängliche Heptapivaloyl‐Derivat (I) wird, wie im Formelschema skizziert, in die 4‐Chlorverbindungen (IIa) und (IIb), das Desoxy‐Derivat (IIc) und ‐ über das Azid (IId) ‐ in die 4‐Aminosucrose (IIe) übergeführt.
ChemInform Abstract: Synthesis of N′‐(2‐Oxopyrrolidin‐5‐yl)adenosine Derivatives.
Authors: KOSUGI Y. , NAGASAKA T. , HAMAGUCHI F. , OHKI S. 
Published: May 2016

AbstractDie Alkoxypyrrolidone (I) kondensieren mit Adenosintriacetat (II) zu den Adenosylpyrrolidonen (III), die sich mit Ammoniak zu den Oxopyrrolidinyladenosinen (IV) desacetylieren lassen.
ChemInform Abstract: An Enantiospecific Synthesis of (+)‐Disparlure from Carbohydrate Precursors.
Authors: JIGAJINNI V. B. , WIGHTMAN R. H. 
Published: May 2016

AbstractEntsprechend den im Formelschema skizzierten Reaktionen wird die partiell geschützte Ribose (I) in das Lacton (VI) übergeführt.
ChemInform Abstract: Chemical Synthesis and Biological Activities of Two Disaccharide Dipeptides Corresponding to the Repeating Units of Bacterial Peptidoglycan.
Authors: KUSUMOTO S. , YAMAMOTO K. , IMOTO M. , INAGE M. , TSUJIMOTO M. , KOTANI S. , SHIBA T. 
Published: May 2016

AbstractThe benzyl ester (VIb) is synthesized starting from the readily available monomeric sugar units (I) and (II) using the reagents (IV) and (V).
ChemInform Abstract: New Syntheses of 2‐Acylbenzofurans, 2‐Acylindoles, 2‐Indolylcarboxylates, and 2‐Quinolones by Intramolecular Wittig Reaction.
Authors: CAPUANO L. , AHLHELM A. , HARTMANN H. 
Published: May 2016

AbstractThe phosphonium salts (I) react with the acid chlorides (II) immediately to give the benzofurans (III) (the intermediate 2‐(α‐ketoacyloxy) salts are not isolated).
ChemInform Abstract: A Facile Synthesis of 3‐Benzyloxy‐5‐methoxy‐phenol.
Authors: SANCHEZ‐OBREGON R. , HURTADO G. , BARRIOS H. , ORTIZ B. , YUSTE F. 
Published: May 2016

AbstractPhloroglycin (Ia) wird mit Benzolsulfonsäurechlorid (II) zum Triester (Ib) umgesetzt.
ChemInform Abstract: Organometallic Reagents in Synthesis. A New Protocol for Construction of the Indole Nucleus.
Authors: SMITH A. B. III , VISNICK M. , HASELTINE J. N. , SPRENGELER P. A. 
Published: May 2016

AbstractOrganolithium reagents derived from 2‐alkyl‐N‐trimethylsilylamines such as (I) undergo condensation with esters of carboxylic acids to yield substituted indoles (III)..
ChemInform Abstract: Reactions of 2‐Halothiazoles with Ketone Enolates and Nitrile Carbanions.
Authors: DILLENDER S. C. JUN. , GREENWOOD T. D. , HENDI M. S. , WOLFE J. F. 
Published: May 2016

AbstractDie photostimulierte Reaktion der Chlorthiazole (I) mit dem aus Pinakolon (II) in situ erzeugten Enolat liefert nach einem SRNl‐Mechanismus die Mono‐ (III) und Bisthiazolyl‐ketone (IV).
ChemInform Abstract: Novel Peri‐Condensed Weitz‐Type Donors: Synthesis, Physical Properties, and Crystal Structures of 3,10‐Dithiaperylene (DTPR), 1,6‐Dithiapyrene(DTPY), and Some of Their CT Complexes.
Authors: NAKASUJI K. , KUBOTA H. , KOTANI T. , MURATA I. , SAITO G. , ENOKI T. , IMAEDA K. , INOKUCHI H. , HONDA M. , KATAYAMA C. , TANAKA J. 
Published: May 2016

AbstractReductive coupling of the ketones (I) gives the compounds (II), which undergo photochemical dehydrocyclization and dehydrogenation with NCS to give the dithiaperylenes (III).
ChemInform Abstract: Photochromic Systems. Part 11. Dihydropyrazolopyridines and Bis(dihydroindolizines): Novel Mono‐ and Bifunctional Photochromic Systems.
Authors: DUERR H. + , SCHOMMER C. , MUENZMAY T. + 
Published: May 2016

AbstractThe N‐imines (II), prepared in situ from the corresponding N‐aminopyridinium salts, react with the bromo compounds (I) to give the dark red to violet betaines (III) which undergo thermal cyclisation to yield the yellow title compounds (IV).
ChemInform Abstract: Addition of Metallo Enolates to 1‐Acylpyridinium Salts. A Short Synthesis of (±)‐epi‐Lupinine.
Authors: COMINS D. L. , BROWN J. D. 
Published: May 2016

Abstract4‐Trimethylstannyl‐pyridin (I) liefert über das Addukt (II) mit Oxalsäure das Dihydropyridin (III), das nach katalytischer Hydrierung zu (IV) durch Behandlung mit HBr/ Eisessig und Ethylat in den Bicyclus (V) übergeführt wird.
ChemInform Abstract: Studies on the Synthesis of Heterocyclic Compounds. Part 11. A Novel Access to Some 2‐Substituted 4(3H)‐Quinazolinones.
Authors: BAJARDI M. L. , DAIDONE G. , RAFFA D. , PLESCIA S. 
Published: May 2016

AbstractReduktion der o‐Nitrobenzamide (I) bzw. (V) mit Eisenpulver und Essigsäure liefert in mäßigen Ausbeuten die Chinazolinone (II) bzw. (IV).
ChemInform Abstract: Iron/Copper Promoted Fragmentation Reactions of a‐Alkoxy Hydroperoxides: Regio‐ and Stereocontrolled Formation of Olefin‐Containing Macrolides.
Authors: SCHREIBER S. L. , HULIN B. , LIEW W.‐F. 
Published: May 2016

AbstractThe fragmentation of the bicyclic peroxide (IIa) using reaction condition A) leads to the macrolide (III) while the peroxide (IV) furnishes a mixture of recifeiolide (V) and the isomer (VI).