bluuebunny/crossref_metadata_2025_split huggingface dataset:
Randomized clinical trial comparing the cost and effectiveness of bipolar vessel sealers versus clips and vascular staplers for laparoscopic colorectal resection
Authors: Adamina M , Champagne B J , Hoffman L , Ermlich M B , Delaney C P 
Published: October 2011

Abstract

Background
The widespread use of laparoscopy has resulted in a variety of instruments being used routinely for vascular control. This randomized controlled trial evaluated the cost-effectiveness of bipolar vessel sealer (BVS) compared with clips and vascular stapler (CVS) in straight laparoscopic colorectal resection.

Methods
Patients scheduled for elective colorectal resection, including benign and malignant diseases, were randomized to either BVS or CVS for vascular control. Patients whose operation was converted to an open approach before pedicle ligation were excluded. The primary endpoints were duration of operation, including time taken to control vascular pedicles, and cost of disposable instruments for vascular control.

Results
Of 114 patients randomized to BVS (60 patients) or CVS (54), 14 did not receive the allocated vascular control device, leaving 55 and 45 respectively for analysis. The BVS reduced the time spent for vascular control by a mean of 6·9 min (P = 0·031) and reduced the cost of disposable instruments for vascular control by US $ 80·7 per patient (P = 0·043). For total colectomy, the BVS reduced the operating time by 103·6 min (P = 0·023) and the time taken for vascular control by 16·8 min (P = 0·022). For left colectomy, it decreased the time to vascular control by 9·3 min (P = 0·021). In multivariable analysis, the cost of disposable instruments for vascular control was independently reduced by randomization to BVS, type of procedure, female sex and estimated blood loss. The mean cost reduction was $ 88·2 for left colectomy (P = 0·037), $ 377·7 (P = 0·005) for total colectomy and $ 366·9 (P = 0·012) for proctectomy. Conversely, use of the BVS increased the cost of instruments used for vascular control in right colectomy by $ 92·6 (P = 0·012).

Conclusion
BVS devices are expedient and cost-efficient in proctectomy, left and total colectomy procedures. Registration number: NCT00487409 (http://www.clinicaltrials.gov).
Knock‐down of HEXA and HEXB genes correlate with the absence of the immunostimulatory function of HSC‐derived dendritic cells
Authors: Tiribuzi Roberto , D'Angelo Francesco , Berardi Anna C. , Martino Sabata , Orlacchio Aldo 
Published: October 2011

In an attempt to investigate whether the genetic defect in the HEXA and HEXB genes (which causes the absence of the lysosomal β‐N‐acetyl‐hexosaminidase), are related to the wide inflammation in GM2 gangliosidoses (Tay‐Sachs and Sandhoff disease), we have chosen the dendritic cells (DCs) as a study model. Using the RNA interference approach, we generated an in vitro model of HEXs knock‐down immunogenic DCs (i‐DCs) from CD34+‐haemopoietic stem cells (CD34+‐HSCs), thus mimicking the Tay‐Sachs (HEXA−/−) and Sandhoff (HEXB−/−) cells.We showed that the absence of β‐N‐acetyl‐hexosaminidase activity does not alter the differentiation of i‐DCs from HSCs, but it is critical for the activation of CD4+T cells because knock‐down of HEXA or HEXB gene causes a loss of function of i‐DCs. Notably, the silencing of the HEXA gene had a stronger immune inhibitory effect, thereby indicating a major involvement of β‐N‐acetyl‐hexosaminidase A isoenzyme within this mechanism. Copyright © 2011 John Wiley & Sons, Ltd.
Pt–Sn/γ‐Al2O3‐Catalyzed Highly Efficient Direct Synthesis of Secondary and Tertiary Amines and Imines
Authors: He Wei , Wang Liandi , Sun Chenglin , Wu Kaikai , He Songbo , Chen Jiping , Wu Ping , Yu Zhengkun 
Published: October 2011

AbstractVersatile syntheses of secondary and tertiary amines by highly efficient direct N‐alkylation of primary and secondary amines with alcohols or by deaminative self‐coupling of primary amines have been successfully realized by means of a heterogeneous bimetallic Pt–Sn/γ‐Al2O3 catalyst (0.5 wt % Pt, Pt/Sn molar ratio=1:3) through a borrowing‐hydrogen strategy. In the presence of oxygen, imines were also efficiently prepared from the tandem reactions of amines with alcohols or between two primary amines. The proposed mechanism reveals that an alcohol or amine substrate is initially dehydrogenated to an aldehyde/ketone or NH‐imine with concomitant formation of a [PtSn] hydride. Condensation of the aldehyde/ketone species or deamination of the NH‐imine intermediate with another molecule of amine forms an N‐substituted imine which is then reduced to a new amine product by the in‐situ generated [PtSn] hydride under a nitrogen atmosphere or remains unchanged as the final product under an oxygen atmosphere. The Pt–Sn/γ‐Al2O3 catalyst can be easily recycled without Pt metal leaching and has exhibited very high catalytic activity toward a wide range of amine and alcohol substrates, which suggests potential for application in the direct production of secondary and tertiary amines and N‐substituted imines.
ChemInform Abstract: Structural, Thermal, and Physical Properties of the Thallium Zirconium Telluride Tl2ZrTe3.
Authors: Sankar Cheriyedath Raj , Guch Mykhailo , Assoud Abdeljalil , Kleinke Holger 
Published: October 2011

AbstractThe title compound is prepared from the elements (1073 K, 100 h) and characterized by single crystal XRD, electrical and thermal conductivity measurements, and extended Hueckel tight binding electronic structure calculations.
ChemInform Abstract: Preparation and Physical Properties of Antiperovskite‐Type Compounds CdNCo3‐zNiz (0 ≤ z ≤ 3).
Authors: He Bing , Dong Cheng , Yang Lihong , Ge Linhui , Chen Hong 
Published: October 2011

AbstractThe series of title compounds (z = 0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0) is prepared from CdO, Co, and Ni powders under NH3 at 743 K for 8 h.
ChemInform Abstract: Thin Films of Ge—Sb—Te‐Based Phase Change Materials: Microstructure and in situ Transformation.
Authors: Tomforde Jan , Bensch Wolfgang , Kienle Lorenz , Duppel Viola , Merkelbach Philipp , Wuttig Matthias 
Published: October 2011

AbstractThin films of GeSb2Te4 and Ge2Sb2Te4 are deposited on inert substrates by dc magnetron sputtering from stoichiometric compound targets and characterized by powder XRD and HRTEM.
ChemInform Abstract: Self‐Organized Core—Shell Structure for High‐Power Electrode in Solid‐State Lithium Batteries.
Authors: Xu Xiaoxiong , Takada Kazunori , Watanabe Ken , Sakaguchi Isao , Akatsuka Kosho , Hang Bui T. , Ohnishi Tsuyoshi , Sasaki Takayoshi 
Published: October 2011

AbstractLiAlxCo1‐xO2 (x = 0.00—0.25) is synthesized by reaction of a ball‐milled mixture of Li2CO3, Co3O4, and Al(OH)3 (air, 650 °C, 10 h) followed by calcination at 750 °C (pressed pellets, air, 20 h).
ChemInform Abstract: The Mechanism of Potassium Promoter: Enhancing the Stability of Active Surfaces.
Authors: Huo Chun‐Fang , Wu Bao‐Shan , Gao Peng , Yang Yong , Li Yong‐Wang , Jiao Haijun 
Published: October 2011

AbstractK2O/Fe is used as a model catalyst to characterize the alkali metal promotion effect by spin‐polarized DFT calculations and experimental studies.
ChemInform Abstract: Na2CsBe6B5O15: An Alkaline Beryllium Borate as a Deep‐UV Nonlinear Optical Crystal.
Authors: Wang Sichao , Ye Ning 
Published: October 2011

AbstractTransparent and colorless single crystals of the title compound are obtained by controlled cooling of a homogenized melt of Na2CO3, Cs2CO3, BeO, and B2O3 (Pt crucible, 1000 °C).
ChemInform Abstract: Tetrahedral Mo4 Clusters as Building Blocks for the Design of Clathrate‐Related Giant Frameworks.
Authors: Shestopalov Michael A. , Ledneva Alexandra Y. , Cordier Stephane , Hernandez Olivier , Potel Michel , Roisnel Thierry , Naumov Nikolai G. , Perrin Christiane 
Published: October 2011

Abstract[(Cs2Mo6Cl14)4.77 (CsCl)138Cs47][(CsCl)97Cs24] [Mo4S4Cl6] 136 is synthesized by solid state reaction of a stoichiometric mixture of Mo, S, MoCl5, and CsCl (900—1000 °C, 24 h).
ChemInform Abstract: Synthesis and Characterization of Manganese‐Rich Silicide (α‐Mn5Si3, β‐Mn5Si3, and β‐Mn3Si) Nanowires.
Authors: Higgins Jeremy M. , Ding Ruihua , Jin Song 
Published: October 2011

AbstractThe reaction of Mn vapor with a Si substrate in a H2 atmosphere leads to the progressive formation of nanowires of MnSi and the new α‐Mn5Si3 (space group P63/mcm), β‐Mn5Si3, and β‐Mn3Si (space group Fm$\bar 3$m) nanowires as the temperature increases from 800 to 940 °C.
ChemInform Abstract: “A” Cation Polarity Control in ACuTe2O7 (A: Sr2+, Ba2+, or Pb2+).
Authors: Yeon Jeongho , Kim Sang‐Hwan , Hayward Michael A. , Halasyamani P. Shiv 
Published: October 2011

AbstractThe title compounds are prepared by solid state reactions of MCO3 (M: Sr, Ba) or PbO, CuO, TeO2, and H2TeO4·H2O (pressed pellets, air, 650 °C, alumina crucible, 3 d).
ChemInform Abstract: Simple N‐Sulfinyl‐Based Chiral Sulfur—Olefin Ligands for Rhodium‐Catalyzed Asymmetric 1,4‐Additions.
Authors: Feng Xiangqing , Wang Yazhou , Wei Beibei , Yang Jing , Du Haifeng 
Published: October 2011

AbstractN‐Sulfinyl chiral olefin ligands are applied to the Rh(I)‐catalyzed asymmetric addition of the arylboronic acids to the cyclic and linear enones.
ChemInform Abstract: Synthesis and Enantioselective Hydrogenation of Seven‐Membered Cyclic Imines: Substituted Dibenzo[b,f][1,4]oxazepines.
Authors: Gao Kai , Yu Chang‐Bin , Li Wei , Zhou Yong‐Gui , Zhang Xumu 
Published: October 2011

AbstractA highly enantioselective hydrogenation of cyclic imines such as (I) and (III) is achieved using an iridium‐based catalyst in combination with a chiral TunePhos bisphosphine ligand and morpholinium chloride.
ChemInform Abstract: Silver‐Catalyzed Carbon Dioxide Incorporation and Rearrangement on Propargylic Derivatives.
Authors: Yamada Tohru , et al. et al. 
Published: October 2011

AbstractSilver‐catalyzed reaction of propargylic alcohols (I) and amines (IV), (VI) with carbon dioxide provides access to the corresponding cyclic carbonates (III) and oxazolidinones (V) and (VII), resp., in high yields under mild conditions.
ChemInform Abstract: 2,3‐Epoxyperfluoro‐2‐methylpentane in Reactions with Urea and Thiourea.
Authors: Filyakova T. I. , Saloutina L. V. , Zapevalov A. Ya. , Slepukhin P. A. , Kodess M. I. , Saloutin V. I. 
Published: October 2011

AbstractTitle epoxide (I) reacts with thiourea both in protic and aprotic solvents to furnish predominantly the unexpected product (III) generated by an intramolecular “haloform” decomposition.
ChemInform Abstract: Non‐Cp Titanium Alkoxide‐Based Homolytic Ring‐Opening of Epoxides by an Intramolecular Hydrogen Abstraction in β‐Titanoxy Radical Intermediates.
Authors: Kawaji Tsuyoshi , Shohji Noriaki , Miyashita Kenji , Okamoto Sentaro 
Published: October 2011

AbstractA new method for the synthesis of less hindered alcohols via homolytic ring opening of epoxides is described.
ChemInform Abstract: Photoredox Catalysis: A Mild, Operationally Simple Approach to the Synthesis of α‐Trifluoromethyl Carbonyl Compounds.
Authors: Pham Phong V. , Nagib David A. , MacMillan David W. C. 
Published: October 2011

AbstractA new photoredox‐based method for the α‐trifluoromethylation of carbonyl compounds and enolsilanes is accomplished.
ChemInform Abstract: Preparation and Reactivity of Polystyrene‐Supported Iodosylbenzene: Convenient Recyclable Oxidizing Reagent and Catalyst.
Authors: Chen Jiang‐Min , Zeng Xiao‐Mei , Middleton Kyle , Yusubov Mekhman S. , Zhdankin Viktor V. 
Published: October 2011

AbstractThe title compound is used in oxidation reactions of alcohols and aromatic hydrocarbons.
ChemInform Abstract: Efficient Epoxidation of Electron‐Deficient Alkenes with Hydrogen Peroxide Catalyzed by [γ‐PW10O38V2(μ‐OH)2] 3‐.
Authors: Kamata Keigo , Sugahara Kosei , Yonehara Kazuhiro , Ishimoto Ryo , Mizuno Noritaka 
Published: October 2011

AbstractA variety of electron‐deficient olefins is smoothly epoxidized with equimolar amounts of hydrogen peroxide in the presence of a divanadium‐substituted phosphotungstate.
ChemInform Abstract: Convenient Synthesis of Substituted Aryl Cyanides and 1,1‐Dicyanobenzyl Benzoate.
Authors: Pazdera Pavel , Simbera Jan , Dlouhy Milan 
Published: October 2011

AbstractThe selective formation of dichlorobenzyl cyanides (III) and (IV) as well as of benzoyl cyanide (VI) and 1,1‐dicyanobenzyl benzoate (VII), respectively is controlled by the reaction conditions.
ChemInform Abstract: Control of Olefin Geometry in Macrocyclic Ring‐Closing Metathesis Using a Removable Silyl Group.
Authors: Wang Yikai , Jimenez Miguel , Hansen Anders S. , Raiber Eun‐Ang , Schreiber Stuart L. , Young Damian W. 
Published: October 2011

AbstractEight‐ to 16‐membered macrocyclic rings containing (E)‐trisubstituted silyl olefin moieties and the corresponding desilylated (Z)‐olefins are accessed using ring‐closing metathesis (RCM) of vinylsiloxane derivatives.
ChemInform Abstract: Selective Debenzylation of Benzyl‐Protected Groups with SiliaCat Pd(0) under Mild Conditions.
Authors: Pandarus Valerica , Beland Francois , Ciriminna Rosaria , Pagliaro Mario 
Published: October 2011

AbstractDebenzylation of aryl benzyl ethers, benzyl esters, amino acids, and sugars proceeds smoothly under mild conditions leaving other sensitive groups intact.
ChemInform Abstract: Enantioselective Aza‐Michael Addition to Conjugated Nitroenynes Catalyzed by Chiral Arylaminophosphonium Barfates.
Authors: Uraguchi Daisuke , Kinoshita Natsuko , Kizu Tomohito , Ooi Takashi 
Published: October 2011

AbstractThe title reaction allows the preparation of the highly functionalized chiral building blocks (IV) with excellent enantioselectivity.
ChemInform Abstract: A Regio‐ and Stereoselective Synthesis of Trisubstituted Alkenes via Gold(I)‐Catalyzed Hydrophosphoryloxylation of Haloalkynes.
Authors: Chary Bathoju Chandra , Kim Sunggak , Shin Doosup , Lee Phil Ho 
Published: October 2011

AbstractA highly stereoselective synthesis of Z‐alkenyl halophosphates (III) starting from substituted iodo‐ and bromoalkynes (I) is achieved using a Au catalyst.
ChemInform Abstract: Granulated Copper Oxide Nano‐Catalyst: A Novel and Efficient Catalyst for C—N Cross‐Coupling of Amines with Iodobenzene.
Authors: Ahmadi Seyed Javad , Sadjadi Sodeh , Hosseinpour Morteza , Abdollahi Mojtaba 
Published: October 2011

AbstractA new method for the granulation of CuO nanoparticles is developed.
ChemInform Abstract: Palladium‐Catalyzed Aerobic Dehydrogenation of Substituted Cyclohexanones to Phenols.
Authors: Izawa Yusuke , Pun Doris , Stahl Shannon S. 
Published: October 2011

AbstractThe reaction uses molecular oxygen as the hydrogen acceptor and the catalyst tolerates useful substrate functional groups, including aromatic and heteroatom substituents.
ChemInform Abstract: Chiral Terpene Auxiliaries. Part 2. Spiroborate Esters Derived from α‐Pinene — New Catalysts for Asymmetric Borane Reduction of Prochiral Ketones.
Authors: Krzeminski Marek P. , Cwiklinska Marta 
Published: October 2011

AbstractSix terpene spiroborate esters are synthesized and tested as catalyst in the title reaction.
ChemInform Abstract: Zinc‐Catalyzed Chemoselective Reduction of Esters to Alcohols.
Authors: Das Shoubhik , Moeller Konstanze , Junge Kathrin , Beller Matthias 
Published: October 2011

AbstractA wide range of aromatic and aliphatic esters smoothly undergoes Zn‐catalyzed reduction in the presence of SiHMe(O‐Et)2 to give the corresponding alcohols in good yields.
ChemInform Abstract: Ruthenium Catalysts Containing Rigid Chiral Diamines and Achiral Diphosphanes for Highly Enantioselective Hydrogenation of Aromatic Ketones.
Authors: Zhu Qiming , Shi Dengjian , Xia Chungu , Huang Hanmin 
Published: October 2011

AbstractThe complexes (I) and (II) efficiently catalyze the title reaction.
ChemInform Abstract: Transformation of α‐Substituted Propanols into γ‐Amino Alcohols Through Nickel‐Catalyzed Amination on the Terminal γ‐Carbon of Propanols.
Authors: Ueno Satoshi , Usui Kazumi , Kuwano Ryoichi 
Published: October 2011

AbstractThe synthesis is achieved through an oxidative 1,4‐addition — reoxidation process.
ChemInform Abstract: Stereoselective Reaction Between Alkyl Propiolates and Phenols in the Presence of Sodium Azide in tert‐Butyl Alcohol.
Authors: Nasiri Farough , Malakutikhah Davood 
Published: October 2011

AbstractAlkyl (Z)‐3‐phenoxy‐2‐propenoates (III) are conveniently obtained through nucleophilic syn addition of phenols to alkyl propiolates.
ChemInform Abstract: Fe3O4@Mesoporouspolyaniline: A Highly Efficient and Magnetically Separable Catalyst for Cross‐Coupling of Aryl Chlorides and Phenols.
Authors: Arundhathi R. , Damodara D. , Likhar Pravin R. , Kantam M. Lakshmi , Saravanan P. , Magdaleno Travis , Kwon Sun Hee 
Published: October 2011

AbstractA new Fe‐catalyst with a very high surface area, a large pore volume, and uniform pore size is prepared and used for O‐arylation reactions.
ChemInform Abstract: Synthesis of Arylketones by Ruthenium‐Catalyzed Cross‐Coupling of Aldehydes with Arylboronic Acids.
Authors: Li Hong , Xu Yuan , Shi Erbo , Wei Wei , Suo Xiangqiang , Wan Xiaobing 
Published: October 2011

AbstractThe first report on the Ru‐catalyzed cross‐coupling of aliphatic as well as aromatic aldehydes with arylboronic acids to give aryl ketones (31 examples) is given.
ChemInform Abstract: Pyridine‐Mediated, One‐Pot Stereoselective Synthesis of Acyclic Enaminones.
Authors: Ghandi Mehdi , Jamea Amir Hossein 
Published: October 2011

AbstractThe three‐component reaction of phenacyl pyridinium bromides with anilines and ethyl glyoxalate or aryl glyoxals offers a novel stereoselective access to the important synthons.
ChemInform Abstract: Facile Aerobic Photooxidation of Methyl Group in the Aromatic Nucleus in the Presence of an Organocatalyst under VIS Irradiation.
Authors: Tada Norihiro , Hattori Kasumi , Nobuta Tomoya , Miura Tsuyoshi , Itoh Akichika 
Published: October 2011

AbstractThe oxidation process even proceeds smoothly when the concentration of oxygen is under 5%.
ChemInform Abstract: Chelating Carboxylic Acid Amides as Robust Relay Protecting Groups of Carboxylic Acids and Their Cleavage under Mild Conditions.
Authors: Broehmer Manuel C. , Mundinger Stephan , Braese Stefan , Bannwarth Willi 
Published: October 2011

AbstractThe carboxamide of bispicolylamine is an alternative protecting group for carboxylic acids with high chemical stability towards a broad range of conditions.
ChemInform Abstract: Silica‐Supported Barium Chloride (SiO2—BaCl2) — Efficient and Heterogeneous Catalyst for the Environmentally Friendly Preparation of N,N′‐Alkylidene Bisamides under Solvent‐Free Conditions.
Authors: Shafiee Mohammad Reza Mohammad 
Published: October 2011

AbstractThe three‐component process does not produce the expected oxazine structures [cf.
ChemInform Abstract: Isocyanide‐Based Multicomponent Reactions: Synthesis of 3,3‐Dicyano‐N‐alkyl‐2‐arylpropanamide Derivatives.
Authors: Soleimani Ebrahim , Zainali Mohsen , Samadi Saadi 
Published: October 2011

AbstractThe novel approach allows the construction of 2 C—C bonds and an amide group in a single step.
ChemInform Abstract: β‐Olefination of 2‐Alkynoates Leading to Trisubstituted 1,3‐Dienes.
Authors: Jacobsen Mathias J. , Funder Erik Daa , Cramer Jacob R. , Gothelf Kurt V. 
Published: October 2011

AbstractThe reaction is mediated by PTA and proceeds mostly with complete (E)‐selectivity.
ChemInform Abstract: A Concise Synthesis of Asymmetrical N,N′‐Disubstituted Guanidines.
Authors: O'Donovan Daniel H. , Rozas Isabel 
Published: October 2011

AbstractA straightforward synthesis of target compounds (VII) from thiourea is achieved through mono Boc‐protection, sequential reaction with 2 different primary amines and final deprotection.
ChemInform Abstract: Design of Chiral Sulfoxide—Olefins as a New Class of Sulfur‐Based Olefin Ligands for Asymmetric Catalysis.
Authors: Qi Wei‐Yi , Zhu Ting‐Shun , Xu Ming‐Hua 
Published: October 2011

AbstractThe catalyst system is the most effective one of the new class of chiral sulfur‐olefin hybrid ligands in the reaction of cyclohexene (II), cyclopentene (V) and pyranone (VII) with various arylboronic acids.
ChemInform Abstract: Coupling of Quinone Monoacetals Promoted by Sandwiched Broensted Acids: Synthesis of Oxygenated Biaryls.
Authors: Dohi Toshifumi , Washimi Naohiko , Kamitanaka Tohru , Fukushima Kei‐ichiro , Kita Yasuyuki 
Published: October 2011

AbstractThe montmorillonite activates quinone monoacetal to selectively react with aromatic nucleophiles in an unprecedented substitution reaction.
ChemInform Abstract: Zeolite H‐BEA Catalyzed Multicomponent Reaction: One‐Pot Synthesis of Amidoalkyl Naphthols — Biologically Active Drug‐Like Molecules.
Authors: Mistry Sunil R. , Joshi Rikesh S. , Maheria Kalpana C. 
Published: October 2011

AbstractCompared to conventional methods employing solvents, the introduced synthesis under solvent‐free conditions has the advantages of shorter reaction times, simple work‐up, environmental friendliness, excellent yields, cost effective recovery and reusability of catalyst for a number of times without significant loss of activity.
ChemInform Abstract: Synthesis of Spiro Bisindans via Domino Stetter—Aldol—Michael and Stetter—Aldol—Aldol Reactions: Scope and Limitations.
Authors: Sanchez‐Larios Eduardo , Holmes Janice M. , Daschner Crystal L. , Gravel Michel 
Published: October 2011

AbstractVarious NHC‐catalyzed domino transformations involving dimerization of o‐formylchalcone substrates or their combination with dialdehyde derivatives (IV) are investigated.
ChemInform Abstract: Low‐Valent Molybdenum‐Based Dual Pre‐Catalysts for Highly Efficient Catalytic Epoxidation of Alkenes and Deoxygenation of Sulfoxides.
Authors: Krackl Sebastian , Company Anna , Enthaler Stephan , Driess Matthias 
Published: October 2011

AbstractThe Mo complexes exhibit high activity in both types of reactions.
ChemInform Abstract: A Concise Route to Dihydrobenzo[b]furans: Formal Total Synthesis of (+)‐Lithospermic Acid.
Authors: Fischer Joshua , Savage G. Paul , Coster Mark J. 
Published: October 2011

AbstractThe method includes the carbonylative annulation of ortho‐hydroxydiarylalkynes and the following Mg‐mediated reduction.
ChemInform Abstract: An Efficient Protocol for Synthesizing Dibenzodithiapentalenes.
Authors: Jepsen Tue Heesgaard , Larsen Mogens , Joergensen Morten , Nielsen Mogens Broendsted 
Published: October 2011

AbstractTwo efficient approaches are developed for the preparation of precursor (III) which affords the desired dithiapentalene (IV) with excellent yield.
ChemInform Abstract: General Synthesis of Dinaphtho[2,3‐b:2′,3′‐f]thieno[3,2‐b]thiophene (DNTT) Derivatives.
Authors: Niimi Kazuki , Kang Myeong Jin , Miyazaki Eigo , Osaka Itaru , Takimiya Kazuo 
Published: October 2011

AbstractThe method for the preparation of the target compounds is shorter (6 vs.
ChemInform Abstract: DABCO‐Promoted Three‐Component Reaction Between Amines, Dialkyl Acetylenedicarboxylates, and Glyoxal.
Authors: Ramesh K. , Murthy S. Narayana , Karnakar K. , Nageswar Y. V. D. 
Published: October 2011

AbstractHighly substituted pyrrole derivatives are readily available in one pot with good to excellent yields.
ChemInform Abstract: Enone—Alkyne Reductive Coupling: A Versatile Entry to Substituted Pyrroles.
Authors: Thompson Benjamin B. , Montgomery John 
Published: October 2011

AbstractA three‐step procedure, consisting of the Ni‐catalyzed coupling of enones or enals with alkynes, oxidative cleavage and Paal—Knorr cyclization with ammonium acetate or anilines, allows the preparation of variously multisubstituted pyrrole derivatives.
ChemInform Abstract: Intramolecular Palladium‐Catalyzed Enolate Arylation of 2‐ and 3‐Iodoindole Derivatives for the Synthesis of β‐Carbolines, γ‐Carbolines, and Pyrrolo[3,4‐b]indoles.
Authors: Sole Daniel , Bennasar M.‐Lluisa , Jimenez Ivan 
Published: October 2011

AbstractThe reaction proceeds in the presence of a weak base like Cs2CO3 or K3PO4.
ChemInform Abstract: Highly Regioselective [3 + 2] Annulation of Azomethine Imines with 1‐Alkynyl Fischer Carbene Complexes to Functionalized N,N‐Bicyclic Pyrazolidin‐3‐ones.
Authors: Luo Ning , Zheng Zhaoyan , Yu Zhengkun 
Published: October 2011

AbstractCr and W carbenes are applied in the reaction with alkenyl azomethine imines.