bluuebunny/crossref_metadata_2025_split huggingface dataset:
Randomized comparison of the nobori biolimus A9‐eluting stent with the sirolimus‐eluting stent in patients with stenosis in native coronary arteries
Authors: Kadota Kazushige , Muramatsu Toshiya , Iwabuchi Masashi , Saito Shigeru , Hayashi Yasuhiko , Ikari Yuji , Nanto Shinsuke , Fujii Kenshi , Inoue Naoto , Namiki Atsuo , Kimura Takeshi , Mitsudo Kazuaki 
Published: July 2011

AbstractObjectives: The aim of this randomized‐controlled trial is to compare Biolimus A9‐eluting stent (Nobori) to sirolimus eluting stent (Cypher). Background: The Nobori coronary stent is coated only abluminally with a biodegradable polymer, poly‐lactic acid, and the antiproliferative agent Biolimus A9. This stent has been studied in randomized trials versus Taxus Express and Taxus Liberte and showed noninferiority and superiority for in‐stent late loss. This is the first randomized trial of Nobori stent versus Cypher stent. Methods: We conducted a randomized (3:2), controlled trial comparing Nobori and Cypher, in 335 patients (198 Nobori and 137 Cypher) at 15 centers in Japan. Patients with de‐novo lesions in up to two native coronary arteries were considered for enrollment. The primary endpoint was freedom from target vessel failure (TVF), a composite of cardiac death, myocardial infarction, and target vessel revascularization at 9 months. Results: At 9 months, the primary endpoint of freedom from TVF was 92.6% in Nobori and 93.8% in Cypher arm (noninferiority test P < 0.001). As main secondary endpoints, the in‐stent late loss was 0.12 ± 0.30 mm and 0.14 ± 0.34 mm in Nobori and Cypher stents, respectively. Target lesion revascularization was 0.5% in Nobori and 3.9% in Cypher treated patients (P = 0.04). Definite and probable stent thromboses were not recorded in any patient. Conclusions: Despite the relatively small number of patients, this well controlled clinical trial confirmed the primary hypothesis of non‐inferiority of the Nobori Biolimus A9‐eluting stent to the Cypher sirolimus‐eluting stent for freedom from TVF. Both stents showed excellent midterm results. © 2011 Wiley Periodicals, Inc.
Coronary artery aneurysms as seen on multidetector computed Tomography angiography
Authors: Roy Sion K. , Kadakia Jigar , Shittu Adekunle , Budoff Matthew J. 
Published: July 2011

AbstractCoronary artery aneurysms (CAA) are present in 1.4–5.3% of the population (Nichols, Lagana, Parwani. Arch Pathol Lab Med 2008; 132:823–828). While angiography remains the gold standard for evaluating CAAs, multidetector computed tomography angiography (MDCTA) is an emerging way of assessing CAAs (Pahlavan and Niroomand. Clin Cardiol 2006;29:439–443). With the increasing clinical utilization of MDCTA, CAAs are often initially diagnosed using this method. Since MDCTA is used largely in lower risk and asymptomatic patients, understanding the etiology and treatment is paramount for clinicians reading these studies. © 2011 Wiley Periodicals, Inc.
The use of fluoroscopy to construct learning curves for coronary angiography
Authors: Jensen Ulf J. , Lagerquist Bo , Jensen Jens , Tornvall Per 
Published: July 2011

AbstractObjectives: The aim of this study was to assess learning curves for coronary angiography using registry data from the Swedish Coronary Angiography and Angioplasty Registry (SCAAR). Background: ACC and ESC guidelines for cardiologists in training recommend 200–300 coronary angiographies as primary operator. Whether this is safe or sufficient to reach an adequate proficiency level is not known. The development of learning curves and factors that can determine progress is not yet clearly stated. Methods: We extracted data from SCAAR 2005–2009 and identified 20 novel and 21 expert operators in coronary angiography during this observation period. Metrics possibly influenced by proficiency level were compared between the two groups. Learning curves were then identified with the expert's performance as reference defined as interquartile range (IQR). Results: Data from a total of 24,000 coronary angiographies were examined. Beginners used similar volumes of contrast but had longer fluoroscopy time compared with experts. Fluoroscopy time appeared to be a metric that demonstrated a clear learning curve and beginners reached experts IQR in 50 % (median) of the procedures after ∼140 coronary angiographies. The risk of complications was independently associated with fluoroscopy time. Conclusions: Fluoroscopy time seems to be the best metric to determine coronary angiography performance level and might therefore be a good proficiency measure during training. On the basis of our results we recommend the trainee to perform at least 150 coronary angiographies during supervision before proceeding with unsupervised procedures. It is not clear if the suggested number of procedures will result in decreased number of complications but the data suggests that fluoroscopy time might be a surrogate marker for complications. © 2011 Wiley Periodicals, Inc.
How opening two chronic total occlusions may be easier than just one
Authors: Indermuhle Andreas , Thomas Martyn , Redwood Simon 
Published: July 2011

AbstractRecanalization of chronic total occlusions (CTOs) via grafts has been described previously. However, the insertion of the graft into the distal vessel is often characterized by an unfavorable entry angle which renders an antegrade approach challenging. In the present case, we describe how retrograde recanalization of the proximal right coronary artery (RCA) via a right internal mammary artery graft facilitated antegrade revascularization of the CTO of the RCA. © 2012 Wiley Periodicals, Inc.
Transcatheter closure of large patent ductus arteriosus at high altitude with a novel nitinol device
Authors: Heath Alexandra , Lang Nora , Levi Daniel S. , Granja Miguel , Villanueva Jorge , Navarro Joaquin , Echazú Gabriel , Kozlik‐Feldmann Rainer , del Nido Pedro , Freudenthal Franz 
Published: July 2011

AbstractBackground: Patent ducti arteriosi (PDAs) are more frequent and larger at high altitude than at sea level. A novel PDA closure device, the Nitocclud PDA‐R, is designed specifically for both large and medium size PDAs. The initial clinical experience with a new nitinol‐based device in high altitude patients with large PDAs is described. Methods: The Nitocclud PDA‐R is a self‐expandable, self‐centering, repositionable occluder made of one nitinol wire without use of welding. It contains several polyester membranes, is delivered with a central guide wire and is released by retraction of the central wire into the delivery catheter. The efficacy of this device was evaluated at several high altitude centers. Results: Fifty‐one patients without other congenital cardiac defects underwent transcatheter closure of PDA. Complete occlusion of the PDA was achieved in 98% of the patients. Nearly 49% of the patients had no shunt immediately after device implantation. Echocardiography revealed a complete closure rate by Doppler interrogation of 69% after 24 hr, 96% after 6 months, and 98% after 1 year. In two cases, device embolization was observed after release, and in both cases the device was easily retrieved with standard interventional techniques. There have been no episodes of delayed device migration, endocarditis, hemolysis, wire fracture, device disruption, or death. Conclusions: The Nitocclud PDA‐R device is safe and effective and can easily close very large PDAs. This device has a high rate of complete occlusion within 1 year and is easily retrieved if embolized. © 2011 Wiley Periodicals, Inc.
Gold and Copper Nanoparticles Supported on Cerium(IV) Oxide—A Photocatalyst Mineralizing Organic Acids under Red Light Irradiation
Authors: Tanaka Atsuhiro , Hashimoto Keiji , Kominami Hiroshi 
Published: July 2011

AbstractGold and copper nanoparticles supported on cerium(IV) oxide (CeO2) powder, which were prepared using a simple multistep photodeposition method, showed strong absorptions at around λ=620 nm attributed to the surface plasmon resonance of Cu‐Au nanoparticles and exhibited a higher level of activity than that of Au/CeO2 in the mineralization of organic acids (formic acid and acetic acid) in aqueous suspensions under light irradiation (λ=640 nm) from a red light‐emitting diode. The action spectrum in the mineralization of formic acid indicates that this mineralization involved a photoinduced step by the SPR of Cu‐Au supported on CeO2. The apparent quantum efficiency reached 7.5 % at λ=625 nm and 5.2 % even at λ=700 nm.
Nonvolatile Rewritable Memory Effects in Graphene Oxide Functionalized by Conjugated Polymer Containing Fluorene and Carbazole Units
Authors: Zhang Bin , Liu Yi‐Liang , Chen Yu , Neoh Koon‐Gee , Li Yong‐Xi , Zhu Chun‐Xiang , Tok Eng‐Soon , Kang En‐Tang 
Published: July 2011

AbstractA new polymer, poly[{9,9‐di(triphenylamine)fluorene}(9,9‐dihexylfluorene)(4‐aminophenylcarbazole)] (PFCz) was synthesized and used in a reaction with graphene oxide (GO) containing surface‐bonded acyl chloride moieties to give a soluble GO‐based polymer material GO–PFCz. A bistable electrical switching effect was observed in an electronic device in which the GO–PFCz film was sandwiched between indium–tin oxide (ITO) and Al electrodes. This device exhibited two accessible conductivity states, that is, a low‐conductivity (OFF) state and a high‐conductivity (ON) state, and can be switched to the ON state under a negative electrical sweep; it can also be reset to the initial OFF state by a reverse (positive) electrical sweep. The ON state is nonvolatile and can withstand a constant voltage stress of −1 V for 3 h and 108 read cycles at −1 V under ambient conditions. The nonvolatile nature of the ON state and the ability to write, read, and erase the electrical states, fulfill the functionality of a rewritable memory. The mechanism associated with the memory effects was elucidated from molecular simulation results and in‐situ photoluminescence spectra of the GO–PFCz film under different electrical biases.
ChemInform Abstract: [C4MPyr]2[Br20]: Ionic‐Liquid‐Based Synthesis of a Three‐Dimensional Polybromide Network.
Authors: Wolff Michael , Meyer Jens , Feldmann Claus 
Published: July 2011

AbstractAccording to the alternative formulation [bmpyr]2[Br‐]2·9Br2 title compound (II) contains nine bromine molecules, the highest amount of bromine observed so far.
ChemInform Abstract: Flux Synthesis of Two New Organically Templated Zinc Phosphites with Different 3,4‐Connected Frameworks.
Authors: Wang Shidan , Luo Daibing , Luo Xiuchao , Chen Yaoqiang , Lin Zhieh 
Published: July 2011

AbstractCompounds (II) are prepared by a phosphorus acid flux method without the addition of water as solvent.
ChemInform Abstract: Dy2(SO3)2(SO4) (H2O)2: The First Lanthanide Mixed Sulfate—Sulfite Inorganic Compound.
Authors: Zhang Zai‐Chao , Wang Jia‐Hong , Zhao Pu‐Su 
Published: July 2011

AbstractThe title compound is prepared by hydrothermal reaction of DyCl3 and Na2S2O3 (pH ≈5 adjusted with 1 M NaOH, 433 K, autoclave, 48 h; 54% yield).
ChemInform Abstract: Synthesis, Characterization, and Structure—Property Relationships in Two New Polar Oxides: Zn2(MoO4)(SeO3) and Zn2(MoO4)(TeO3).
Authors: Nguyen Sau Doan , Kim Sang‐Hwan , Halasyamani P. Shiv 
Published: July 2011

AbstractThe new isostructural compounds (IV) and (VI) are characterized by single crystal XRD, IR and UV/VIS spectroscopy, second harmonic generation, piezoelectric, and polarization measurements, and DFT calculations.
ChemInform Abstract: Synthesis and Crystal Structure of a Novel Boratotungstate: Pb6B2WO12.
Authors: Li Junjie , Pan Shilie , Zhao Wenwu , Tian Xuelin , Han Jian , Fan Xiaoyun 
Published: July 2011

AbstractThe new title compound is synthesized by solid state reaction of a stoichiometric mixture of WO3, PbO, and H3BO3 at 540 °C for 20 h.
ChemInform Abstract: Selective, Nickel‐Catalyzed Hydrogenolysis of Aryl Ethers.
Authors: Sergeev Alexey G. , Hartwig John F. 
Published: July 2011

AbstractThe aromatic C—O bonds in diaryl, aryl alkyl, and benzyl alkyl ethers are selectively cleaved under 1 bar hydrogen in the presence of a soluble nickel carbene catalyst at max.
ChemInform Abstract: Highly Active Ruthenium(II) Complex Catalysts Bearing an Unsymmetrical NNN Ligand in the (Asymmetric) Transfer Hydrogenation of Ketones.
Authors: Ye Wenjing , Zhao Miao , Du Wangming , Jiang Quanbin , Wu Kaikai , Wu Ping , Yu Zhengkun 
Published: July 2011

AbstractNewly synthesized ruthenium(II) complexes bearing an unsymmetrical pyridyl‐benzimidazolyl‐based ligand exhibit high catalytic activity for transfer hydrogenations of aromatic and cyclic ketones.
ChemInform Abstract: Poly(vinyl)chloride Supported Palladium Nanoparticles: Catalyst for Rapid Hydrogenation Reactions.
Authors: Hemantha Hosahalli P. , Sureshbabu Vommina V. 
Published: July 2011

AbstractA wide range of nitro, carbonyl, azido and imine groups is efficiently hydrogenated in the presence of PVC‐supported Pd nanoparticles.
ChemInform Abstract: Aerobic Oxidation of Thiols to Disulfides Catalyzed by Diaryl Tellurides under Photosensitized Conditions.
Authors: Oba Makoto , Tanaka Kazuhito , Nishiyama Kozaburo , Ando Wataru 
Published: July 2011

AbstractIt allows an efficient access to a wide range of disulfides.
ChemInform Abstract: Highly Regio‐ and Diastereoselective Anionic [3 + 2] Cycloaddition under Phase Transfer Catalytic Conditions.
Authors: Gembus Vincent , Postikova Svetlana , Levacher Vincent , Briere Jean‐Francois 
Published: July 2011

AbstractIn the presence of AMI, the allylic sulfones (Ia) and (IV) undergo highly regio‐ and diastereoselective [3 + 2] cycloaddition with enones to afford trans‐substituted cyclopentenes of type (III)/(VI).
ChemInform Abstract: A Practical and Inexpensive “Convertible” Isonitrile for Use in Multicomponent Reactions.
Authors: Le Hoang V. , Fan Lijun , Ganem Bruce 
Published: July 2011

AbstractIt is demonstrated, that products derived from Passerini and related multicomponent reactions containing N‐tert‐butyl or N‐butylamide moieties can be readily converted to carboxylic acids by a nitrosation reaction without affecting other sensitive groups.
ChemInform Abstract: The Synthesis of Non‐symmetrical Stilbene Analogues of trans‐Resveratrol Using the Same Pd Catalyst in a Sequential Double‐Heck Arylation of Ethylene.
Authors: Nobre Sabrina M. , Muniz Mauro N. , Seferin Marcus , da Silva Wagner M. , Monteiro Adriano L. 
Published: July 2011

AbstractThis process works without isolation after the first arylation and without additional catalyst loading.
ChemInform Abstract: Organocatalyzed Enantioselective Michael Addition of 2‐Hydroxy‐1, 4‐Naphthoquinone to β,γ‐Unsaturated α‐Ketophosphonates.
Authors: Liu Tao , Wang Youming , Wu Guiping , Song Haibin , Zhou Zhenghong , Tang Chuchi 
Published: July 2011

AbstractThe thiourea (QUI) efficiently promotes the title process.
ChemInform Abstract: NaBH4—I2 Mediated Chemoselective Reduction of γ‐Lactam and Thio‐γ‐lactam in Presence of Gem‐dicarboxylates: An Easy Access to 1,3‐Diaryl Pyrrolidines.
Authors: Barman Gopa , Haldar Pranab , Dutta Neelanjan , Ray Jayanta K. 
Published: July 2011

AbstractThe selective reduction of γ‐lactams is studied.
ChemInform Abstract: An Efficient One‐Pot Synthesis of 2‐Benzylpyrroles and 3‐Benzylindoles.
Authors: Sharma Ratnesh , Chouhan Mangilal , Sood Divya , Nair Vipin A. 
Published: July 2011

AbstractCompounds (III) and (V) were previously synthesized by 2‐3 steps or by using expensive and toxic chemicals.
ChemInform Abstract: Alkylation and Reduction of N‐Alkyl‐4‐nitroindazoles with Anhydrous SnCl2 in Ethanol: Synthesis of Novel 7‐Ethoxy‐N‐alkylindazole Derivatives.
Authors: Abbassi Najat , Rakib El Mostapha , Hannioui Abdellah , Alaoui Mdaghri , Benchidmi Mohamed , Essassi El Mokhtar , Geffken Detlef 
Published: July 2011

AbstractThe position of the nitro group in indazoles and their structure have influence on their reaction behavior.
ChemInform Abstract: Synthesis of New Imidazole 3‐Oxides; Unexpected Deoxygenation of Some Derivatives in the Reaction with 2,2,4,4‐Tetramethylcyclobutane‐1,3‐dithione.
Authors: Mloston Grzegorz , Jasinski Marcin , Rygielska Dorota , Heimgartner Heinz 
Published: July 2011

AbstractThe title compounds (III), (VI), and (VIII) are prepared according to well established methods.
ChemInform Abstract: Microwave‐Mediated Synthesis and Antibacterial Activity of Some Novel 2‐(Substituted Biphenyl) Benzimidazoles via Suzuki—Miyaura Cross Coupling Reaction and Their N‐Substituted Derivatives.
Authors: Raut Changdev Namdev , Bharambe Shailendra Mitharam , Pawar Yogesh Ashok , Mahulikar Pramod Pandurang 
Published: July 2011

AbstractNovel 2‐biaryl‐benzimidazoles (V) and (VII) are prepared via microwave‐assisted Suzuki‐Miyaura coupling followed by alkylation and acylation, respectively.
ChemInform Abstract: Selective Substitution Reactions of Methoxycarbonylamino‐1‐(1‐benzotriazolyl)alkanes with Active Methylene Compounds.
Authors: Zhou Liejin , Lv Xin , Mao Hui , Wang Xiaoxia 
Published: July 2011

AbstractThe leaving tendency of either methoxycarbonylamino or benzotriazole group by treatment of adducts (IV) with active methylene compounds (V) is studied.
ChemInform Abstract: Asymmetric Inverse‐Electron‐Demand Hetero‐Diels—Alder Reaction of Six‐Membered Cyclic Ketones: An Enamine/Metal Lewis Acid Bifunctional Approach.
Authors: Xu Zhenghu , Liu Lu , Wheeler Kraig , Wang Hong 
Published: July 2011

AbstractThe reaction of cyclic ketones with β,γ‐unsaturated α‐ketoesters under catalysis of yttrium triflate and optically active primary amine PYR affords benzopyran, pyranopyran, and pyranothiopyran derivatives in a highly stereo‐ and chemoselective manner.
ChemInform Abstract: New Multicomponent Approach for the Synthesis of Benzo[c]coumarin Derivatives over MgO under Solvent‐Free Conditions.
Authors: Valizadeh Hassan , Fakhari Ashraf 
Published: July 2011

AbstractThe reaction of salicyl aldehydes, malonitrile and ester (III) proceeds under solvent‐free conditions to afford the desired benzo[c]coumarin derivatives with high yields.
ChemInform Abstract: Mono‐ and Bis‐2‐amino‐4H‐pyrans: Alum Catalyzed Three‐ or Pseudo Five‐Component Reaction of 4‐Hydroxycoumarin, Malononitrile and Aldehydes.
Authors: Karimi Ali Reza , Eslami Cyrus 
Published: July 2011

AbstractThe catalyst can be recycled and reused without significant loss of activity.
ChemInform Abstract: Microwave‐Assisted, Yb(OTf)3/TfOH Cocatalyzed Synthesis of Xanthones and Thioxanthones by Intramolecular Friedel—Crafts Reaction under Solvent‐Free Conditions.
Authors: Li Jie , Jin Can , Su Weike 
Published: July 2011

AbstractA novel efficient protocol for the preparation of the biologically interesting title compounds (II) and (IV) including an easy and clean work‐up is presented.
ChemInform Abstract: Facile and Efficient Synthesis of Functionalized Iminothiopyran and Isothiochromene via One‐Pot Multicomponent Reactions.
Authors: Hamadi Hosein , Khoobi Mehdi , Hossaini Zinatossadat , Shafiee Abbas 
Published: July 2011

AbstractThe reaction of the acetylenic esters, aryl isothiocyanates and enaminones proceeds under mild conditions without any catalyst.
ChemInform Abstract: Synthesis and Reactions of 3‐Cyano‐4,6‐dimethyl‐2‐pyridone.
Authors: Elassar Abdel‐Zaher A. 
Published: July 2011

AbstractThe base‐mediated reaction of acetylacetone with malononitrile leads to cyanopyridone (III), which is used as a convenient starting compound in the synthesis of a variety of pyridone derivatives including isoquinolinecarbonitriles (XIV) and pyridylpyridazines (X).
ChemInform Abstract: A Facile and Efficient Synthesis of 3‐Amino‐5‐bromopyridine Derivatives Using Microwave Irradiation.
Authors: Dandu Reddeppa Reddy , Rose Adam C. , Hudkins Robert L. 
Published: July 2011

AbstractThe presented synthesis of the title compounds (III) from commercially available starting materials is carried out on a multi‐gram scale.
ChemInform Abstract: Palladium‐Catalyzed Enantioselective Intramolecular Hydroarylation of Alkynes to Form Axially Chiral 4‐Aryl 2‐Quinolinones.
Authors: Shibuya Tetsuro , Shibata Yu , Noguchi Keiichi , Tanaka Ken 
Published: July 2011

AbstractThe enantioselectivity results from the sterical demand of the N‐benzyl propiolamide in (I) or (IV).
ChemInform Abstract: Eugenol and Its Methyl Ether in the Synthesis of 3‐Methyl Derivatives of 3,4‐Dihydroisoquinoline.
Authors: Shklyaev Yu. V. , Smolyak A. A. , Gorbunov A. A. 
Published: July 2011

AbstractCompounds (III) are converted into the corresponding dihydroisoquinolines by pyrolysis.
ChemInform Abstract: Novel Synthetic Protocol Toward Pyrazolo[3,4‐h][1,6]naphthyridines via Friedlaender Condensation of New 4‐Aminopyrazolo[3,4‐b]pyridine‐5‐carbaldehyde with Reactive α‐Methylene Ketones.
Authors: Jachak Madhukar N. , Bagul Sandeep M. , Kazi Muddassar A. , Toche Raghunath B. 
Published: July 2011

AbstractThe base‐catalyzed Friedlaender condensation of new aldehyde (IV) with α‐methylene ketones (V) provides access to a variety of novel pyrazolonaphthyridines (VI).
ChemInform Abstract: Synthesis of Benzo[3,4‐h][1,6]naphthyridines via Friedlaender Condensation with Active Methylenes.
Authors: Rote Ramhari V. , Bagul Sandeep M. , Shelar Deepak P. , Patil Sandeep R. , Toche Raghunath B. , Jachak Madhukar N. 
Published: July 2011

AbstractAldehyde (IV) is used as a key starting material in the synthesis of naphthyridines (VI), (VIII), (X), and (XII).
ChemInform Abstract: One‐Pot Synthesis of Pyrano‐ and Furanoquinolines Catalyzed by Molten Tetra‐n‐butylphosphonium Bromide under Solvent‐Free Conditions.
Authors: Salehi Javad , Veisi Hojat , Khodaei Mohammad M. , Khosropour Ahmad R. 
Published: July 2011

AbstractMolten tetrabutylphosphonium bromide is found to be a practical catalytic media for diastereoselective one‐pot synthesis of furano‐ and pyranoquinoline derivatives.
ChemInform Abstract: Synthesis of 4‐Unsubstituted Dihydropyrimidines. Nucleophilic Substitution at Position‐2 of Dihydropyrimidines.
Authors: Cho Hidetsura , Nishimura Yoshio , Yasui Yoshizumi , Kobayashi Satoshi , Yoshida Shin‐ichiro , Kwon Eunsang , Yamaguchi Masahiko 
Published: July 2011

AbstractThe synthesis and further transformation of 4‐unsubstituted dihydropyrimidine (IV) is described.
ChemInform Abstract: Synthesis of Polysubstituted 5‐Aminopyridines from α‐Azidovinyl Ketones and Amidines.
Authors: Hu Miao , Wu Jianwei , Zhang Yaohong , Qiu Fangli , Yu Yongping 
Published: July 2011

AbstractAn environmentally friendly synthesis of polysubstituted aminopyrimidines is presented, involving the base‐promoted reaction of α‐azidovinyl ketones (I) with amidines (II) under mild reaction conditions.
ChemInform Abstract: Synthesis, and Pharmacological Screening of Novel Sulfamoylphenylcarbamoylquinoxaline Derivatives as Antiinflammatory, Analgesic and Antitumor Agents.
Authors: Farrag Awaff Al‐Said , Ammar Yousry Ahmed , El‐Sehemi Abd Allah Ghodran , Thabet Hamdy Khamees , Hassan Nashwa Abd‐Alim , Samy Aziza Khalil 
Published: July 2011

AbstractA variety of novel sulfamoylphenylcarbamoylquinoxaline derivatives is synthesized based on the reaction of quinoxalinedicarboxylic anhydride (I) with aminophenylsulfonamides (II).
ChemInform Abstract: Synthesis and Reactivity of 6H‐Dibenzo[c,e][1,2]oxaphosphine 6‐Sulfide, a Novel Thiophosphacyclic Molecule.
Authors: Rakotomalala Muriel , Wagner Sebastian , Zevaco Thomas , Ciesielski Michael , Walter Olaf , Doering Manfred 
Published: July 2011

AbstractThe new title compound (II) can also be obtained by treating the commercially available 9,10‐dihydro‐9‐oxa‐10‐phosphaphenanthrene‐10‐oxide with P4S10 or the Lawesson reagent but this gives lower yields.
ChemInform Abstract: Highly Diastereoselective Indium‐Mediated Synthesis of β‐Lactam Carbohydrates from Imines.
Authors: Soengas Raquel G. , Segade Yuri , Jimenez Carlos , Rodriguez Jaime 
Published: July 2011

AbstractIndium‐mediated cyclization of carbohydrate‐derived imines with α‐bromoesters (II) and (XI) provides an efficient diastereoselective access towards carbohydrate‐derived lactams.