bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: ALL‐CIS‐CYCLONONA‐1,3,5,7‐TETRAEN, SYNTH., THERMISCHE UND PHOTOCHEMISCHE UMLAGERUNG
Authors: ANASTASSIOU A. G. , ORFANOS V. , GEBRIAN J. H. 
Published: February 2016

AbstractCyclononatetradienid (I) kann bei niederen Temperaturen zum all‐eis‐ Cyclononatetraen (II) neutralisiert werden.
ChemInform Abstract: RK. VON 1‐TRIMETHYLSILYL‐1,4‐DIHYDRO‐PYRIDIN MIT AZIDOKOHLENSAEUREESTER UND P‐TOSYLISOCYANAT
Authors: MORICONI E. J. , MISNER R. E. 
Published: February 2016

Abstractl‐Trimethylsilyl‐l ,4‐dihydro‐pyridin (I) reagiert mit Azidokohlensäureester (II) zu einem Gemisch der tautomeren Addukte (III) und (IV), aus denen bei der katalytischen Hydrierung die Dihydrokörper (V) und (VI) erhalten werden.
ChemInform Abstract: DEBENZYLIERUNG VON 2‐BENZYL‐3‐METHYL‐4‐CHINAZOLINON MIT NATRIUMBORHYDRID
Authors: PAKRASHI S. C. , CHAKRAVARTI A. K. 
Published: February 2016

AbstractDie Reduktion von (I) mit einem 30fachen Überschuß an Natriumborhydrid in Methanol bei 0°C ergibt (II) in einer Ausbeute von 15%.
ChemInform Abstract: ZWEIKERNIGE CHLOROBRUECKENKOMPLEXE VON MANGAN(II)‐ UND NICKEL(II)‐CHLORIDEN MIT PYRIDIN‐N‐OXIDEN
Authors: KARAYANNIS N. M. , PALEOS C. M. , PYTLEWSKI L. L. , LABES M. M. 
Published: February 2016

AbstractDie Reaktion der Metallchloride mit den N‐Oxiden fühlt zu den 1:1‐Komplexen (I).
ChemInform Abstract: NANOSEKUNDEN‐PULSRADIOLYSE VON FLUESSIGEN NAPHTHALIN UND BIPHENYL
Authors: THEARD L. M. , PETERSON F. C. , HOLROYD R. A. 
Published: February 2016

AbstractDie Fluoreszenzspektren beider Titelverbindungen in geschmolzenem Zustand sind abgebildet und werden ausführlich diskutiert.
ChemInform Abstract: THERMODYNAMISCHE EIGENSCHAFTEN VON CF UND CF2 AUS MOLEKULARSTROEMUNGSEFFUSIONS‐ UND MASSENSPEKTROMETRISCHEN MESSUNGEN
Authors: FARBER MILTON , FRISCH MARGARET A. , CHUNG KO HON 
Published: February 2016

AbstractDie Gleichgewichtskonstanten und ‐partialdrücke der Reaktion zwischen Tetrafluormethan und Kohlenstoff (Graphit) zwischen 1800 und 2500°K wurden durch Strömungseffusion und massenspektrometrisch bestimmt.
ChemInform Abstract: KINETIK UND MECHANISMUS DER SAEUREKATALYSIERTEN SPALTUNG HEMICYCLISCHER TERT.‐BUTYLACETALE
Authors: KANKAANPERAE ALPO , MIIKKI KARI 
Published: February 2016

AbstractEine Spaltung der C‐O‐Ringbindung der Acetale (I), die durch den induktiven Effekt der tert.‐Butylgruppe gefördert werden sollte, wird nicht beobachtet.
ChemInform Abstract: INDUZIERTER ELEKTRONENUEBERGANG, EINWIRKUNG VON EIN‐ELEKTRON‐OXYDATIONSMITTELN AUF HYDROXYMETHYLPYRIDIN‐PENTAAMMIN‐KOBALT(III)‐KOMPLEXE
Authors: FRENCH JAMES E. , TAUBE HENRY 
Published: February 2016

AbstractDie direkte, durch Ag(I)‐ und Co(II)‐Ionen katalysierte Oxidation der Co(III)‐Komplexe (I) mit Ce(IV) ergibt sowohl die Aldehyd‐Co(III)‐Komplexe (II) wie auch Co2+‐Ionen und den freien Aldehyd (III).
ChemInform Abstract: STEREOSPEZIFISCHE HYDRIERUNGEN 4. MITT. PALLADIUM/POLY‐S‐VALIN UND PALLADIUM/POLY‐S‐LEUCIN
Authors: BEAMER R. L. , BELDING R. H. , FICKLING C. S. 
Published: February 2016

AbstractDie Hydrierung von α‐Methyl‐zimtsäure (I) und α‐Acetaminozimtsäure (II) mit Palladium auf Poly‐S‐Valin als Katalysator liefert S(+)‐Dihydro‐α‐methyl‐zimtsäure und (nach Hydrolyse) R(+)‐Phenylalanin.
ChemInform Abstract: RK. DES TRIPHENYLVERDAZYLS MIT N‐BENZYL‐1,4‐DIHYDRONICOTINAMID
Authors: POLUMBRIK O. M. , GRISIN O. M. , DVORKO G. F. 
Published: February 2016

AbstractDas freie Radikal (I) (Triphenylverdazyl) reagiert in Abwesenheit von Säure mit N‐Benzyl‐l ,4‐dihydronicotinamid (II) zu den Verbindungen (III) und (IV).
ChemInform Abstract: KONTINUIERLICHE HYDROFORMYLIERUNG VON PROPYLEN IN EINEM GAS‐FLUESSIGKEITS‐REAKTOR
Authors: HERSHMAN A. , ROBINSON K. K. , CRADDOCK J. H. , ROTH J. F. 
Published: February 2016

AbstractDer Triphenylphosphin‐Rhodium‐Katalysator (I) erwies sich als äußerst stabiler, reaktiver und selektiver Katalysator für die Hydroformylierung von Propylen zu Isobutyraldehyd.
ChemInform Abstract: CHEMIE VON CYCLOTRIVERATRYLEN 1. MITT. BLDG. VON CYCLOTRIVERATRYLEN AUS VERATRYLAMIN‐N‐TOSYLATEN
Authors: UMEZAWA B. , HOSHINO O. , HARA H. , OHYAMA K. , MITSUBAYASHI S. , SAKAKIBARA J. 
Published: February 2016

AbstractDie Verbindungen (Ia)‐(Id) kondensieren in starken Säuren zu Cyclotriveratrylen (II) (Ausbeute 80‐90%).
ChemInform Abstract: RINGKONTRAKTION VON 3‐HYDROXYCHINOLINEN ZU OXINDOLEN MIT WASSERSTOFFPEROXID IN ESSIGSAEURE
Authors: NAKASHIMA T. , SUZUKI I. 
Published: February 2016

Abstract8‐Nitrochinolin (I) bildet mit Wasserstoffperoxid über sein isolierbares 3‐Hydroxyderivat (IIa) unter Ringkontraktion 7‐Nitrooxindol (IIIa), das analog jedoch nicht aus 7‐Nitroindol (IV) zugänglich ist.
ChemInform Abstract: NITRAMINOPYRIDINE 3. MITT. RK. MIT SALPETRIGER SAEURE UND HALOGENWASSERSTOFFSAEUREN
Authors: PUSZYNSKI ANDRZEJ , TALIK TADEUSZ 
Published: February 2016

AbstractDie Substitution der Nitramingruppe der Pyridine (I) bei der Reaktion mit salpetriger Säure in konz. Halogenwasserstoffsäuren wird untersucht.
ChemInform Abstract: SYNTH. VON 2‐SUBSTITUIERTEN 6‐AMINO‐4,5‐DIHYDROPYRIMIDINEN
Authors: OKAMOTO Y. , TSUJI T. , UEDA T. 
Published: February 2016

AbstractAus dem Iminoester (I) und 3‐Aminopropionitril (II) wird gemäß Formelschema 6‐Amino‐4,5‐dihydro‐2‐phenylpyrimidin (V) hergestellt.
ChemInform Abstract: NEUROTROPE UND PSYCHOTROPE SUBSTANZEN 38. MITT. DERIVATE VON 10,11‐DIHYDRO‐DIBENZO(B,F)SELENEPIN
Authors: SINDELAR K. , METYSOVA J. , PROTIVA M. 
Published: February 2016

AbstractAus der Benzoesäure (Ia) wird über den Alkohol (Ib), das Chlorid (Ic) und das Cyanid (Id) die Phenylessigsäure (Ie) dargestellt, die mit Polyphosphorsäure zu dem Keton (IIa) cyclisiert wird.
ChemInform Abstract: KOBALT‐, NICKEL‐ UND KUPFER‐KOMPLEXE VON MONOXIMEN EINIGER SUBSTITUIERTER CYCLOHEXANDIONE‐(1,2)
Authors: BASSETT J. , BENSTED J. , GRZESKOWIAK R. 
Published: February 2016

AbstractAus den Monoximen HL und den entsprechenden Metall(II)‐Salzen werden bei pH 7,5 die in Wasser und nichtwäßrigen Lösungsmitteln wenig löslichen Komplexe (I) gewonnen.
ChemInform Abstract: SYNTH. VON ACRONYCIN
Authors: HLUBUCEK J. , RITCHIE E. , TAYLOR W. C. 
Published: February 2016

AbstractDie Reaktion des 1,3‐Dihydroxy‐10‐methyl‐acridons (I) mit 3‐Chlor‐3‐methylbutin‐(1) (II) in Dimethylformamid führt unter dem Einfluß von K2CO3 und NaJ nach 18 Stunden bei 52°C in 70%iger Ausbeute zum Monoäther (III).
ChemInform Abstract: OXIDATIVER ABBAU VON 5,6‐DIMETHYL‐BENZIMIDAZOL
Authors: REINHOLD KARL , RENZ PAUL 
Published: February 2016

AbstractFür Tracerversuche zur Biosynthese des Benzimidazols (I) eines Bestandteils von Vitamin B12, können nur durch Abbau nach zwei Methoden sämtliche C‐Atome identifiziert werden.
ChemInform Abstract: Smallest Deltahedra Silicon Dicarbide: C2Si32‐.
Authors: Sui Jing‐jing , Xu Jing , Ding Yi‐hong 
Published: February 2016

AbstractA total of 20 singlet and 36 triplet C2Si32‐ isomers are obtained by quantum chemical calculations at the B3LYP/aug‐cc‐pVTZ level.
ChemInform Abstract: Cu3TaSe4 and Cu3NbSe4: X‐Ray Diffraction, Differential Thermal Analysis, Optical Absorption and Raman Scattering.
Authors: Grima‐Gallardo P. , Salas M. , Contreras O. , Power Ch. , Quintero M. , Cabrera H. , Zumeta‐Dube Inti , Rodriguez A. , Aitken J. , Braemer‐Escamilla Werner 
Published: February 2016

AbstractThe title compounds are characterized by XRD, differential thermal analysis in the temperature range of 300—1500 K, optical absorption measurements, and Raman spectroscopy.
ChemInform Abstract: Boosting Proton Conductivity in Highly Robust 3D Inorganic Cationic Extended Frameworks Through Ion Exchange with Dihydrogen Phosphate Anions.
Authors: Xiao Chengliang , Wang Yaxing , Chen Lanhua , Yin Xuemiao , Shu Jie , Sheng Daopeng , Chai Zhifang , Albrecht‐Schmitt Thomas E. , Wang Shuao 
Published: February 2016

AbstractYb3O(OH)Cl·2H2O (I) is prepared by hydrothermal reaction of YbCl3, NaOH, NaCl, and H2O (autoclave, 220 °C, 14 h).
ChemInform Abstract: Three Rare Ln—Na Heterometallic 3D Polymers Based on Sulfate Anion: Syntheses, Structures, and Luminescence Properties.
Authors: Zhai Bin , Li Zhongyi , Zhang Chi , Zhang Fuli , Zhang Xiangfei , Zhang Fuqiang , Cao Guangxiu , Li Suzhi , Yang Xiaoyan 
Published: February 2016

AbstractThe isotypic compounds (III) crystallize in the trigonal space group P3121 with Z = 3 (single crystal XRD) and feature a three‐dimensional network which is formed by 6‐connected sulfate, Ln3+, and Na+ ions.
ChemInform Abstract: [{Ni4(OH)3AsO4}4 (B‐α‐PW9O34)4]28‐: A New Polyoxometalate Structural Family with Catalytic Hydrogen Evolution Activity.
Authors: Lv Hongjin , Chi Yingnan , van Leusen Jan , Koegerler Paul , Chen Zheyuan , Bacsa John , Geletii Yurii V. , Guo Weiwei , Lian Tianquan , Hill Craig L. 
Published: February 2016

AbstractNa28 [{Ni4(OH)3AsO4}4 (B‐α‐PW9O34)4] ·120H2O is prepared by reaction of Ni(OAc)2, ≈3 equiv.
ChemInform Abstract: Copper and L‐Sodium Ascorbate Catalyzed Hydroxylation and Aryloxylation of Arylhalides.
Authors: Song Guang‐Lin , Zhang Zhang , Da Yu‐Xia , Wang Xi‐Cun 
Published: February 2016

AbstractFurthermore, similar reaction conditions also allow the C—S coupling of aryl halides with 4‐methylbenzenethiol.
ChemInform Abstract: Magnetically Recoverable Catalyst for the Asymmetric Henry Reaction Based on a Substituted Imidazolidine‐4‐one Copper(II) Complex Supported by Fe3O4·SiO2 Nanoparticles.
Authors: Bhosale Dattatry Shivajirao , Drabina Pavel , Kincl Miloslav , Vlcek Milan , Sedlak Milos 
Published: February 2016

AbstractA novel chiral heterogenous catalyst (FSCL) is prepared and successfully applied for the synthesis of nitroethanols (III) and the precursor (V) of the long‐acting β2‐adrenoreceptor agonist Salmeterol (VI).
ChemInform Abstract: Gold‐Catalyzed Proto‐ and Deuterodeboronation.
Authors: Barker Graeme , Webster Stacey , Johnson David G. , Curley Rachel , Andrews Matthew , Young Paul C. , Macgregor Stuart A. , Lee Ai‐Lan 
Published: February 2016

AbstractA Au(I)‐catalyzed protodeboration of a variety of arylboronic acids using dimethylcarbonate as the solvent is presented.
ChemInform Abstract: The N‐Silylation of Sulfoximines.
Authors: Peng Haibo , Yu Jin‐Tao , Bao Weijie , Xu Jinwei , Cheng Jiang 
Published: February 2016

AbstractA simple procedure is elaborated for the copper‐catalyzed N‐silylation of sulfoximines (I) and (IV) in wet acetonitrile using di(tert‐butyl) peroxide as an oxidant.
ChemInform Abstract: Organocatalytic Peroxidation of Malonates, β‐Ketoesters, and Cyanoacetic Esters Using n‐Bu4NI/t‐BuOOH‐Mediated Intermolecular Oxidative C(sp3)—O Coupling.
Authors: Terent'ev Alexander O. , Zdvizhkov Alexander T. , Levitsky Dmitri O. , Fleury Fabrice , Pototskiy Roman A. , Kulakova Alena N. , Nikishin Gennady I. 
Published: February 2016

AbstractThe scalable title transformation of malonates succeeds in high yields whereas the reaction of β‐ketoesters and cyanoacetic esters delivers only low to moderate product yields.
ChemInform Abstract: Lewis Acid Catalyzed Synthesis of Allocolchicinoids.
Authors: Mehdi Mariam A. , Djurdjevic Sinisa , Green James R. 
Published: February 2016

AbstractA three‐step access to (biphenyl‐2‐yl)prop‐2‐en‐1‐ones is described which serve as substrates for the cyclization to allocolchicinoids.
ChemInform Abstract: Hemin‐Catalyzed, Cyclodextrin‐Assisted Insertion of Carbenoids into N—H Bonds.
Authors: Xu Xiaofei , Li Chang , Tao Zhihao , Pan Yuanjiang 
Published: February 2016

AbstractThe hemin/β‐cyclodextrin catalytic system promotes the reaction of arylamines (II) and (IV) and indoline (VIII) with diazoarylacetic acid esters (I) and (VI) to furnish arylaminoarylacetic esters (III), (V), (VII) and (IX) in low to excellent yields.
ChemInform Abstract: Exploring the Reactivity of N‐Alkynylated Sulfoximines: Regioselective Hydroacyloxylations and Hydroaminations.
Authors: Pirwerdjan Ramona , Becker Peter , Bolm Carsten 
Published: February 2016

AbstractWhereas the hydroacyloxylations take place E selectively, hydroaminations may form E/Z mixtures of products.
ChemInform Abstract: Highly Efficient Dehydrogenative Cross‐Coupling of Aldehydes with Amines and Alcohols.
Authors: Deshidi Ramesh , Rizvi Masood Ahmad , Shah Bhahwal Ali 
Published: February 2016

AbstractAmides, esters, and α‐ketoesters are synthesized using a wide range of alcohols and amines as well as aliphatic and aromatic aldehydes.
ChemInform Abstract: Palladium‐Catalyzed Carbonylations of Arylboronic Acids: Synthesis of Arylcarboxylic Acid Ethyl Esters.
Authors: Liang Apeng , Han Shuaijun , Wang Liang , Li Jingya , Zou Dapeng , Wu Yangjie , Wu Yusheng 
Published: February 2016

AbstractDiethyl pyrocarbonate is successfully applied as substrate for the ethoxycarbonylation of (het)arylboronic acids.
ChemInform Abstract: A Practical, Chemoselective Approach to O‐Methylation of Carboxylic Acids with Dimethyl Malonate.
Authors: Mao Jincheng , Liu Defu , Li Yongming , Zhao Jinzhou , Rong Guangwei , Yan Hong , Zhang Guoqi 
Published: February 2016

AbstractThe scalable protocol is successfully applied to variously functionalized aryl, hetaryl, and alkenyl substituted carboxylic acids as well as N‐protected amino acids and dicarboxylic acids, but fails using propiolic acids.
ChemInform Abstract: Preparation of an Arenylmethylzinc Reagent with Functional Groups by Chemoselective Cross‐Coupling Reaction of Bis(iodo~zincio)methane with Iodoarenes.
Authors: Shimada Yukako , Haraguchi Ryosuke , Matsubara Seijiro 
Published: February 2016

AbstractVarious functionalized iodoarenes and iodohetarenes are transformed to zinc reagents which are efficiently hydrolized or further converted via reaction with electrophiles, including allyl halogenides, propargyl bromide, and benzoyl cyanide.
ChemInform Abstract: Condensation of Aryl Aldehydes, 2‐Naphthol, and Thioacetamide Catalyzed by N‐Halo Reagents in Neutral Media.
Authors: Khazaei Ardeshir , Abbasi Fatemeh , Moosavi‐Zare Ahmad Reza , Khazaei Marzieh , Beyzavi M. Hassan 
Published: February 2016

AbstractVarious thioacetamidonaphthol derivatives are efficiently synthesized by the title reaction under neat conditions using trichloroisocyanuric acid (TCIA) as an homogenous and neutral catalyst.
ChemInform Abstract: CuO/I2‐Mediated Intramolecular Annulation for the Synthesis of 2‐Aroyl‐3‐hydroxy‐4‐iodonaphthalenes.
Authors: Cai Qun , Yang Yan , Li Deng‐Kui , Jia Feng‐Cheng , Xu Cheng , Wu An‐Xin 
Published: February 2016

AbstractIn cases of compounds (III) and (V) the title reaction furnishes the des‐iodo products.
ChemInform Abstract: Method for the Synthesis of Dibenzo[g,p]chrysenes: Domino Friedel—Crafts‐Type Cyclization of Difluoroethenes Bearing Two Biaryl Groups.
Authors: Suzuki Naoto , Fujita Takeshi , Ichikawa Junji 
Published: February 2016

AbstractA scalable synthesis of substituted dibenzo[g,p]chrysenes as new electronic materials with a double helical structure as well as the preparation of the required substrates are described.
ChemInform Abstract: Phenyliodine(III) Diacetate Mediated Oxidative Cyclization of 1‐Alkenoyl‐1‐carbamoyl Cycloalkanes: Access to Spiro‐Fused Dihydrofuran‐3(2H)‐ones.
Authors: Yuan Jingwen , Zhang Qian , Yu Mangfei , Huang Peng , Zhang Rui , Dong Dewen 
Published: February 2016

AbstractThe mild and operationally simple protocol is applied to the preparation of spiro‐cyclopentane and spiro‐cyclopropane fused dihydrofuran‐3(2H)‐ones.
ChemInform Abstract: Robust, Chiral, and Porous BINAP‐Based Metal—Organic Frameworks for Highly Enantioselective Cyclization Reactions.
Authors: Sawano Takahiro , Thacker Nathan C. , Lin Zekai , McIsaac Alexandra R. , Lin Wenbin 
Published: February 2016

AbstractBINAP‐based metal‐organic frameworks and their postsynthetic metalation with Rh‐complexes are designed and used as highly active and enantioselective single‐site solid catalysts for the enantioselective reductive cyclization and Alder‐ene cycloisomerization of 1,6‐enynes as well as for Pauson—Khand cyclization reactions between 1,6‐enynes and cinnamaldehyde as the CO source.
ChemInform Abstract: A Direct Green Route Towards the Synthesis of 2‐Aroyl‐3,5‐diarylthiophenes from 1,5‐Diketones.
Authors: Chithiravel Rengasamy , Rajaguru Kandasamy , Muthusubramanian Shanmugam , Bhuvanesh Nattamai 
Published: February 2016

AbstractTitle compounds are efficiently synthesized under green and solvent‐free microwave conditions in short reaction times and are isolated by simple work‐up in excellent yields.
ChemInform Abstract: Regio‐ and Diastereoselective and Enantiospecific Metal‐Free C(sp3)—H Arylation: Facile Access to Optically Active 5‐Aryl 2,5‐Disubstituted Pyrrolidines.
Authors: Haldar Surajit , Roy Subhra Kanti , Maity Bholanath , Koley Debasis , Jana Chandan K. 
Published: February 2016

AbstractA highly regio‐ and diastereoselective and enantiospecific method for direct C—H arylation of aliphatic amine is developed.
ChemInform Abstract: An Indoxyl‐Based Strategy for the Synthesis of Indolines and Indolenines.
Authors: Yu Yuanyuan , Li Guang , Jiang Long , Zu Liansuo 
Published: February 2016

AbstractThe synthesis of polycyclic indolines and related indolenines via unprecedented aza‐pinacol and aza‐semipinacol rearrangement of spirocyclic indoline substrates is described.
ChemInform Abstract: Rhodium(III)‐Catalyzed Allylic C(sp3)—H Activation of Alkenyl Sulfonamides: Unexpected Formation of Azabicycles.
Authors: Archambeau Alexis , Rovis Tomislav 
Published: February 2016

AbstractA new rhodium(III)‐catalyzed allylic C(sp3)—H activation followed by 4π‐electrocyclization gives access to 1‐azabicycles with complete control of the formed stereocenters.
ChemInform Abstract: Photocatalytic Direct Intermolecular Addition of 1,3‐Dithianes.
Authors: Lee Ming , Chen Ying‐Ho , Hung Tzu‐Hang , Chang Wen , Yan Wei‐Cheng , Leow Dasheng 
Published: February 2016

AbstractThe addition of dithianes (I) to various alkenes is accomplished via visible‐light mediated photocatalysis using 23 W 6500 K compact fluorescent light and affords the corresponding disubstituted 1,3‐dithiane derivatives in good yields.
ChemInform Abstract: Lewis Basic Sulfide Catalyzed Electrophilic Bromocyclization of Cyclopropylmethyl Amide.
Authors: Wong Ying‐Chieh , Ke Zhihai , Yeung Ying‐Yeung 
Published: February 2016

AbstractThe title transformation of various aryl and cycloalkyl substituted 1,1‐disubstituted cyclopropylmethyl amides is described which provides oxazolines in high yields.
ChemInform Abstract: Synthesis of Isoxazoline Derivatives Based on Nitrile Oxide Cycloaddition of Nitroso‐Nitro‐Enamine.
Authors: Kondacs Laszlo Andras , Pilipecz Mihaly Viktor , Mucsi Zoltan , Balazs Barbara , Gati Tamas , Nyerges Miklos , Dancso Andras , Nemes Peter 
Published: February 2016

AbstractSubstrate (I) reacts with a broad spectrum of unsaturated dipolarophiles to produce novel isoxazolyl‐pyrroline structures in generally low to moderate yields.
ChemInform Abstract: A Solvent‐ and Catalyst‐Free Domino Reaction for the Efficient Synthesis of 3‐Arylthiazolidine‐2‐thiones under Microwave Irradiation.
Authors: Kumar Sundaravel Vivek , Muthusubramanian Shanmugam , Perumal Subbu 
Published: February 2016

AbstractThe title compounds are obtained by a novel, facile, and carbon disulfide free domino reaction of aryl isothiocyanates and dithianediol involving a 2‐mercaptoacetaldehyde generation/thia‐Michael addition/regioselective hemiaminalization domino sequence.
ChemInform Abstract: Highly Enantioselective Construction of Fluoroalkylated Quaternary Stereocenters via Organocatalytic Dehydrated Mannich Reaction of Unprotected Hemiaminals with Ketones.
Authors: Zhang Sheng , Li Lijun , Hu Yanbin , Li Yanan , Yang Yu , Zha Zhenggen , Wang Zhiyong 
Published: February 2016

AbstractA broad range of arylmethyl ketones as well as acetone react with various sulfamide‐derived hemiaminals which may contain perfluoroalkyl groups to form Mannich products in very high yields and with very high enantiomeric excesses.
ChemInform Abstract: Chemoenzymatic Synthesis of Novel 1,4‐Disubstituted 1,2,3‐Triazole Derivatives from 2‐Heteroaryl Substituted Homopropargyl Alcohols.
Authors: Bueyuekadali Nalan Nuriye , Seven Semih , Aslan Nezir , Yenidede Duygu , Guemues Ayseguel 
Published: February 2016

AbstractThe reaction of aldehydes (I) with propargyl bromide and a subsequent enantiomeric resolution of resulting racemic alcohols (III) using vinyl acetate and Lipozyme IM give rise to enantioenriched benzofuranyl and benzothiophenyl homopropargyl alcohols (III), which are readily converted into chiral triazoles (VII) and (VIII).
ChemInform Abstract: Enantioselective NHC‐Catalyzed Redox [4 + 2]‐Hetero‐Diels—Alder Reactions Using α,β‐Unsaturated Trichloromethyl Ketones as Amide Equivalents.
Authors: Attaba Nassilia , Taylor James E. , Slawin Alexandra M. Z. , Smith Andrew D. 
Published: February 2016

AbstractHetero‐Diels—Alder reactions of trichloromethyl α‐enones as unsaturated amide and ester equivalents with azolium enolates, generated from α‐aroyloxy aldehydes yield syn‐dihydropyranones, which are isolated or transformed into diamides diastereo‐ and enantioselectively by in situ ring‐opening with amines and subsequent aminolysis.
ChemInform Abstract: Synthesis and Characterization of Novel Nanosilica Molybdic Acid and Its First Catalytic Application in the Synthesis of New and Known Pyranocoumarins.
Authors: Karami Bahador , Kiani Mahtab , Hosseini S. Jafar , Bahrami Mehrangiz 
Published: February 2016

AbstractA novel nanosilica molybdic acid composition catalyzes the one‐pot three‐component condensation of 4‐hydroxycoumarin, malonitrile and various aldehydes to form pyrano[2,3‐c]chromenes.
ChemInform Abstract: Diversity‐Oriented Approach to Natural Product Inspired Pyrano‐Carbazole Derivatives: Strategic Utilization of Hetero‐Diels—Alder Reaction, Fischer Indolization and the Suzuki—Miyaura Cross‐Coupling Reaction.
Authors: Kotha Sambasivarao , Ali Rashid , Saifuddin Mohammad 
Published: February 2016

AbstractStarting from 1,3‐diones, styrene derivatives, and formaldehyde the three‐step title sequence provides architecturally complex pyrano‐carbazole derivatives without the requirement of lengthy protective group strategies.
ChemInform Abstract: Rhodium(III)‐Catalyzed C—H Activation/Alkyne Annulation by Weak Coordination of Peresters with O—O Bond as an Internal Oxidant.
Authors: Mo Jiayu , Wang Lianhui , Cui Xiuling 
Published: February 2016

AbstractThe method represents the first example of a cleavage of an O—O bond as an internal oxidant.
ChemInform Abstract: A Click Chemistry Approach for the Synthesis of Mono and Bis Aryloxy Linked Coumarinyl Triazoles as Antitubercular Agents.
Authors: Anand Ashish , Naik Reshma J. , Revankar Hrishikesh M. , Kulkarni Manohar V. , Dixit Sheshagiri R. , Joshi Shrinivas D. 
Published: February 2016

AbstractA wide range of mono‐ and bis‐triazole coumarin hybrids are formed from chromene‐2‐one derivatives and propargyl ethers employing a Click chemistry modified protocol for Azide‐Alkyne cycloadditions.
ChemInform Abstract: Elements as Direct Feedstocks for Organic Synthesis: Fe/I2/O2 for Diamination of 2‐Cyclohexenones with 2‐Aminopyrimidine and 2‐Aminopyridines.
Authors: Nguyen Thanh Binh , Corbin Mathilde , Retailleau Pascal , Ermolenko Ludmila , Al‐Mourabit Ali 
Published: February 2016

AbstractThe very simple catalytic system allows for a broad substrate scope and offers access to unaromatized polycyclic heterocycles with an aliphatic cyclohexenone functionality prone to further derivatization in view of the synthesis of bioactive compounds.
ChemInform Abstract: Iron Catalyzed Dual‐Oxidative Dehydrogenative (DOD) Tandem Annulation of Glycine Derivatives with Tetrahydrofurans.
Authors: Huo Congde , Chen Fengjuan , Yuan Yong , Xie Haisheng , Wang Yajun 
Published: February 2016

AbstractVarious N‐aryl glycine derivatives react in a scalable manner with tetrahydrofuran or methyl‐substituted derivatives thereof to form complex quinoline fused lactone derivatives in moderate yields.