bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Reinvestigation of the OP4‐(Li/Na)CoO2‐Layered System and First Evidence of the (Li/Na/Na)CoO2 Phase with OPP9 Oxygen Stacking.
Authors: Berthelot R. , Pollet M. , Carlier D. , Delmas C. 
Published: April 2011

AbstractThe metastable 1:1 Li/Na‐stacked OP4‐Li0.42Na0.37CoO2 phase is synthesized from a mixture of O3‐LiCoO2 and P2‐Na0.7CoO2 in a molar ratio of 42:58 (sealed gold tubes, 920 °C, 24 h, very fast quenching).
ChemInform Abstract: Activation of Oxygen on MgO: O2·‐ Radical Ion Formation on Thin, Metal‐Supported MgO(001) Films.
Authors: Gonchar Anastasia , Risse Thomas , Freund Hans‐Joachim , Giordano Livia , Di Valentin Cristiana , Pacchioni Gianfranco 
Published: April 2011

AbstractThe spontaneous activation of molecular oxygen forming an O2·‐ radical upon adsorption on a 4 monolayer thick MgO(001) film is demonstrated by EPR spectroscopy and DFT calculations.
ChemInform Abstract: Preparation and Superconductivity of New Stage and Polytypic Phases in Potassium‐Intercalated Zirconium Nitride Chloride (KxZrNCl).
Authors: Zheng Zhanfeng , Yamanaka Shoji 
Published: April 2011

AbstractNew polytypic and intermediate‐stage intercalation compounds K0.26ZrNCl, K0.08(thf)yZrNCl, and K0.26(pc)yZrNCl (pc: propylene carbonate) with different amounts of potassium and cointercalation of THF are prepared from a K‐naphthalene solution in THF, and a direct reaction with potassium metal.
ChemInform Abstract: Syntheses and Crystal Structures of the closo‐Borates M2[B7H7] and M[B7H8] (M: PPh4, PNP, and N(n‐Bu4)): The Missing Crystal Structure in the Series [BnHn]2‐ (n: 6—12).
Authors: Schlueter Florian , Bernhardt Eduard 
Published: April 2011

AbstractThe first convenient synthesis of the seven‐vertex closo‐[B7H7]2‐ anion via O2‐oxidation of [B9H9]2‐ is reported.
ChemInform Abstract: Addition of a Thallium Vertex to Empty and Centered Nine‐Atom Deltahedral Zintl Ions of Germanium and Tin.
Authors: Rios Daniel , Gillett‐Kunnath Miriam M. , Taylor Jacob D. , Oliver Allen G. , Sevov Slavi C. 
Published: April 2011

AbstractThe empty and Ni‐centered Ge9 and Sn9 clusters react with TlCp and add a tenth Tl‐vertex to form bicapped square antiprismatic closo‐clusters [M9Tl]3‐ (M: Ge, Sn) and [Ni@M9Tl]3‐.
ChemInform Abstract: U(VI) Uranyl Cation—Cation Interactions in Framework Germanates.
Authors: Morrison Jessica M. , Moore‐Shay Laura J. , Burns Peter C. 
Published: April 2011

AbstractThe isomorphous uranyl germanates (IV), (VI) and (VIII) crystallize in the trigonal space group P$\bar 3$1c with Z = 2 (single crystal XRD).
ChemInform Abstract: Role of Anions and Reaction Conditions in the Preparation of Uranium(VI), Neptunium(VI), and Plutonium(VI) Borates.
Authors: Wang Shuao , Villa Eric M. , Diwu Juan , Alekseev Evgeny V. , Depmeier Wulf , Albrecht‐Schmitt Thomas E. 
Published: April 2011

AbstractCompounds (III), (V), and (VII) are characterized by single crystal XRD, UV/VIS/NIR and fluorescence spectroscopy.
ChemInform Abstract: Buckled Layers in K0.66Mn2O4·0.28H2O and K0.99Mn3O6·1.25H2O Synthesized at High Pressure: Implication for the Mechanism of Layer‐to‐Tunnel Transformation in Manganese Oxides.
Authors: Chu Qingxin , Wang Xiaofeng , Zhang Xinhao , Li Qiliang , Liu Xiaoyang 
Published: April 2011

AbstractK0.66Mn2O4·0.28H2O (I) is synthesized by reaction of MnO2 in a KOH flux (Pt tube, 50 MPa, 550 °C, 12 h).
ChemInform Abstract: Novel Polyselenidoarsenate and Selenidoarsenate: Solvothermal Synthesis and Characterization of [Co(phen)3] [As2Se2(μ‐Se3)(μ‐Se5)] and [Co(phen)3]2[As8Se14].
Authors: Zhao Jing , Liang Jingjing , Chen Jiangfang , Pan Yingli , Zhang Yong , Jia Dingxian 
Published: April 2011

AbstractThe structures of title compounds (III) (monoclinic, space group C2, Z = 4) and (IV) (triclinic, P$\bar 1$, Z = 1) are determined by single crystal XRD.
ChemInform Abstract: A Cagelike Polyanion with a Ag+ Enwrapped, [AgAs2Mo15O54]11‐.
Authors: Zhang Yanping , Li Lili , Sun Tao , Liu Bin , Hu Huaiming , Xue Ganglin 
Published: April 2011

AbstractThe salts (IV) and (V) of the title anion crystallize in the orthorhombic space group Pnma with Z = 4 (single crystal XRD).
ChemInform Abstract: Disulfonimide‐Catalyzed Asymmetric Vinylogous and Bisvinylogous Mukaiyama Aldol Reactions.
Authors: Ratjen Lars , Garcia‐Garcia Pilar , Lay Frank , Beck Michael Edmund , List Benjamin 
Published: April 2011

AbstractThe present new disulfonimide catalyzed vinylogous Mukaiyama aldol addition of crotonic acid derivatives (I) to aldehydes can also be applied to ketene acetal nucleophiles (IV).
ChemInform Abstract: Synthesis of Enantiopure 1,4‐Dioxanes, Morpholines, and Piperazines from the Reaction of Chiral 1,2‐Diols, Amino Alcohols, and Diamines with Vinyl Selenones.
Authors: Bagnoli Luana , Scarponi Catalina , Rossi Maria Giovanna , Testaferri Lorenzo , Tiecco Marcello 
Published: April 2011

AbstractThe reaction of enantiopure diols, amino alcohols, or diamines with vinyl selenones in the presence of NaH represents a novel route to the title compounds.
ChemInform Abstract: Catalytic Asymmetric α‐Alkylation of Aldehydes via a SN2′‐Type Addition—Elimination Pathway.
Authors: Gomez‐Bengoa Enrique , Landa Aitor , Lizarraga Aitziber , Mielgo Antonia , Oiarbide Mikel , Palomo Claudio 
Published: April 2011

AbstractAn amine‐catalyzed α‐alkylation of aldehydes is described.
ChemInform Abstract: A General Procedure for the Synthesis of Enones via Gold‐Catalyzed Meyer—Schuster Rearrangement of Propargylic Alcohols at Room Temperature.
Authors: Pennell Matthew N. , Unthank Matthew G. , Turner Peter , Sheppard Tom D. 
Published: April 2011

AbstractIn the presence of [Au(PPh3)]NTf2 and MeOH or 4‐methoxyphenylboronic acid, propargylic alcohols undergo convenient rearrangement to enones.
ChemInform Abstract: The Nonmetathetic Role of Grubbs′ Carbene Complexes: From Hydrogen‐Free Reduction of α,β‐Unsaturated Alkenes to Solid‐Supported Sequential Cross‐Metathesis/Reduction.
Authors: Poeylaut‐Palena Andres A. , Testero Sebastian A. , Mata Ernesto G. 
Published: April 2011

AbstractA microwave‐induced reduction of alkenes (I), (III), and (V) with triethylsilane proceeds readily in the presence of Grubbs′ II catalyst.
ChemInform Abstract: Gold‐Complexes Catalyzed Oxidative α‐Cyanation of Tertiary Amines.
Authors: Zhang Yan , Peng Hao , Zhang Ming , Cheng Yixiang , Zhu Chengjian 
Published: April 2011

AbstractThe first examples for the direct oxidative cyanation of tertiary amines catalyzed by a gold catalyst are given.
ChemInform Abstract: Palladium‐Catalyzed Novel Arylations of Cyclic β‐Bromo α,β‐Unsaturated Aldehydes with Triarylbismuths as Multicoupling Organometallic Nucleophiles.
Authors: Rao Maddali L. N. , Banerjee Debasis , Dhanorkar Ritesh J. 
Published: April 2011

AbstractAn efficient method is presented for the Pd‐catalyzed cross‐coupling of cyclic bromoalkenes with triarylbismuths to afford the corresponding aryl derivatives.
ChemInform Abstract: A Chiral Rh‐Phosphite Complex Dislaying High Activity in the Enantioselective Rh‐Catalyzed Addition of Arylboronic Acids to Carbonyl Compounds: When and Why atropos Is Better Than tropos.
Authors: Jumde Varsha R. , Facchetti Sarah , Iuliano Anna 
Published: April 2011

AbstractThe rhodium/deoxycholic acid complex bearing the atropoisomeric (S)‐binaphthyl moiety is shown to catalyze the asymmetric addition of arylboronic acids to aldehydes (I) or the challenging ketone (IV).
ChemInform Abstract: Indolinylmethanol Catalyzed Enantioselective Reformatsky Reaction with Ketones.
Authors: Lin Ning , Chen Miao‐Miao , Luo Ren‐Shi , Deng Yan‐Qiu , Lu Gui 
Published: April 2011

AbstractThe enantioselective Reformatzky reaction of an α‐bromo ester with various ketones is developed using NiBr2 and a chiral indolinylmethanol ligand as catalyst.
ChemInform Abstract: Cooperative Catalytic Reactions Using Organocatalysts and Transition Metal Catalysts: Enantioselective Propargylic Alkylation of Propargylic Esters with Aldehydes.
Authors: Yoshida Akiko , Ikeda Masahiro , Hattori Gaku , Miyake Yoshihiro , Nishibayashi Yoshiaki 
Published: April 2011

AbstractIn the presence of CuOTf, BINAP, and the prolinol (PRO) propargylic esters are found to undergo highly enantioselective reaction with aldehydes to afford alcohols like (III), (IV), (VI), and (VII).
ChemInform Abstract: Palladium‐Catalyzed Addition of Alkynes to Cyclopropenes: An Entry to Stereodefined Alkynylcyclopropanes.
Authors: Tenaglia Alphonse , Le Jeune Karel , Giordano Laurent , Buono Gerard 
Published: April 2011

AbstractThe Herrmann—Beller phosphapalladacycle catalyzes the reaction at room temperature without addition of any base.
ChemInform Abstract: Autoxidative Annulation Cascade of the α‐Cyano β‐TMS‐Capped Alkynyl Cycloalkanone System.
Authors: Wong Ying‐Chieh , Hsieh Min‐Tsang , Amancha Prashanth K. , Chin Chih‐Lung , Liao Cheng‐Feng , Kuo Chun‐Wei , Shia Kak‐Shan 
Published: April 2011

AbstractThe presence of the trimethylsilyl moiety and a cyano group are essential for the annulation as no autooxidative cyclization takes place using the terminal alkyne (XI) or ester (XII).
ChemInform Abstract: Structure—Enantioselectivity Effects in 3,4‐Dihydropyrimido[2,1‐b]‐benzothiazole‐Based Isothioureas as Enantioselective Acylation Catalysts.
Authors: Smith Andrew D. , et al. et al. 
Published: April 2011

AbstractAn isothiourea catalyst is developed for the kinetic resolution of a variety of secondary aromatic alcohols using low catalyst loading (0.1—0.25 mol%).
ChemInform Abstract: Highly Enantioselective Henry Reactions in Water Catalyzed by a Copper Tertiary Amine Complex and Applied in the Synthesis of (S)‐N‐trans‐Feruloyl Octopamine.
Authors: Lai Guoyin , Guo Fengfeng , Zheng Yueqin , Fang Yang , Song Haigang , Xu Kun , Wang Sujing , Zha Zhenggen , Wang Zhiyong 
Published: April 2011

AbstractAsymmetric Henry reaction of nitromethane with a diversity of aromatic or aliphatic aldehydes proceeds efficiently in water under phase‐transfer catalysis conditions with a Cu(II)—prolinol‐derived tridentate ligand complex.
ChemInform Abstract: Cu‐Catalyzed One‐Pot Synthesis of Unsymmetrical Diaryl Thioethers by Coupling of Aryl Halides Using a Thiol Precursor.
Authors: Prasad D. J. C. , Sekar Govindasamy 
Published: April 2011

AbstractThe new and efficient method can also be applied successfully to the synthesis of symmetrical diaryl thioethers, aryl alkyl thioethers, and benzothiazoles.
ChemInform Abstract: Ni‐Catalyzed Intramolecular Cycloaddition of Methylenecyclopropanes to Alkynes.
Authors: Yao Bangben , Li Yong , Liang Zunjun , Zhang Yuhong 
Published: April 2011

AbstractThe process allows a facile access to a broad spectrum of cyclopenta[a]indene structures including derivatives which are suitable for further functionalization [cf.
ChemInform Abstract: Organic Iron for the PdCl2/FeCl3‐Cocatalyzed Coupling Cyclization of 2,3‐Allenoates in the Presence of Allylic Bromides.
Authors: Chen Bo , Ma Shengming 
Published: April 2011

AbstractThe method gives access to β‐allylic substituted butenolides by use of FeCl3 as cocatalyst of PdCl2.
ChemInform Abstract: New Strategy for the Synthesis of N‐Aryl Pyrroles: Cu‐Catalyzed C—N Cross‐Coupling Reaction of trans‐4‐Hydroxy‐L‐proline with Aryl Halides.
Authors: Reddy V. Prakash , Kumar A. Vijay , Rao K. Rama 
Published: April 2011

AbstractIt is demonstrated that amino acid (I) is an efficient nucleophilic coupling partner in the reaction with aryl iodides and bromides.
ChemInform Abstract: The Vinyl Moiety as a Handle for Regiocontrol in the Preparation of Unsymmetrical 2,3‐Aliphatic‐Substituted Indoles and Pyrroles.
Authors: Huestis Malcolm P. , Chan Lina , Stuart David R. , Fagnou Keith 
Published: April 2011

AbstractRh‐catalyzed reactions of anilides (I) or methyl‐2‐acetamidoacrylate (VI) with various enynes proceed with excellent regioselectivity to furnish 2‐alkenyl indoles and pyrroles, respectively.
ChemInform Abstract: A Silver‐Promoted Auto‐Tandem Catalysis for the Synthesis of Multiply Substituted Tetrahydrocarbazoles.
Authors: Wang Ming‐Zhong , Zhou Cong‐Ying , Che Chi‐Ming 
Published: April 2011

AbstractSilver(I) triflate promotes the reaction of acetylenic aldehydes with various indole derivatives to give the title compounds as diastereomeric mixtures.
ChemInform Abstract: An Efficient Synthesis of Pyrazole Chalcones under Solvent‐Free Conditions at Room Temperature.
Authors: Kumar Parvin , Kumar Sunil , Husain Khalid , Kumar Ashwani 
Published: April 2011

AbstractSimply grindig of pyrazole aldehydes with acetophenones in the presence of activated Ba(OH)2 results in formation of pyrazole‐substituted chalcones.
ChemInform Abstract: Asymmetric α‐Amination of 4‐Substituted Pyrazolones Catalyzed by a Chiral Gd(OTf)3/N,N′‐Dioxide Complex: Highly Enantioselective Synthesis of 4‐Amino‐5‐pyrazolone Derivatives.
Authors: Yang Zhigang , Wang Zhen , Bai Sha , Liu Xiaohua , Lin Lili , Feng Xiaoming 
Published: April 2011

AbstractWith only 0.05 mol% of catalyst loading [cf.(VII)], the reaction proceeds without obvious influence on reactivity and enantioselectivity, albeit with a somewhat prolonged reaction time.
ChemInform Abstract: The Convenient Synthesis of 4‐Arylmethylidene‐4,5‐dihydro‐3‐phenylisoxazol‐5‐ones.
Authors: Ablajan Keyume , Xiamuxi Hainimu 
Published: April 2011

AbstractThe one‐pot synthesis of title compounds (III) involves formation of 3‐phenylisoxazolone (IV) and subsequent reaction with aldehydes in one‐pot.
ChemInform Abstract: Synthesis and in Vitro Cytotoxic Evaluation of Some Thiazolylbenzimidazole Derivatives.
Authors: Luo Yu , Xiao Feng , Qian Shijing , Lu Wei , Yang Bo 
Published: April 2011

AbstractThe novel title derivatives are synthesized in order to test their in vitro antitumor activity against SMMC‐7721 and A549 cell lines in comparison to taxol.
ChemInform Abstract: Enantioselective Organocatalytic Domino Michael—Acetalization—Henry Reactions of 2‐Hydroxynitrostyrene and Aldehyde for the Synthesis of Tetrahydro‐6H‐benzo[c]chromenones.
Authors: Hong Bor‐Cherng , Kotame Prakash , Liao Ju‐Hsiou 
Published: April 2011

AbstractComparable results are obtained using ethanol or pure water as a solvent with the latter having an advantage of shorter reaction times.
ChemInform Abstract: Regiocontrolled Preparation of 3‐Acyl‐6‐aryl‐2‐pyridones via Condensation of 3‐Aryl‐3‐chloropropeniminium Salts with β‐Keto‐amides.
Authors: Gmiza Thouraya , Ayed Mohamed Adnen Hadj , Khiari Jamel Eddine , Ben Hassine Bechir 
Published: April 2011

AbstractThe advantages are a simple reaction procedure and high yields.
ChemInform Abstract: n‐Butyltriphenylphosphonium Peroxodisulfate: A Cheap and Efficient Reagent for the Aromatization of Hantzsch 1,4‐Dihydropyridines.
Authors: Gorjizadeh Maryam , Abdollahi‐Alibeik Mohammad 
Published: April 2011

AbstractVarious substrates are successfully oxidized to the corresponding pyridines using the title reagent as oxidant in refluxing acetonitrile.
ChemInform Abstract: Synthesis of Substituted 8‐Aminoquinolines and Phenanthrolines Through a Povarov Approach.
Authors: De Kavita , Legros Julien , Crousse Benoit , Chandrasekaran Srinivasan , Bonnet‐Delpon Daniele 
Published: April 2011

AbstractA Povarov/oxidation sequence is used to prepare a variety of 8‐aminoquinolines.
ChemInform Abstract: Ruthenium‐Catalyzed Synthesis of 2‐ and 3‐Substituted Quinolines from Anilines and 1,3‐Diols.
Authors: Monrad Rune Nygaard , Madsen Robert 
Published: April 2011

AbstractComplete regioselectivity is observed in the reaction with 1‐substituted diols affording 2‐substituted quinolines exclusively.
ChemInform Abstract: Iridium‐Catalyzed Asymmetric Intramolecular Allylic Amidation: Enantioselective Synthesis of Chiral Tetrahydroisoquinolines and Saturated Nitrogen Heterocycles.
Authors: Teichert Johannes F. , Fananas‐Mastral Martin , Feringa Ben L. 
Published: April 2011

AbstractAn iridium catalyst is used for the first time for the synthesis of chiral tetrahydroisoquinolines.
ChemInform Abstract: Amine Directed Pd(II)‐Catalyzed C—H Bond Functionalization under Ambient Conditions.
Authors: Haffemayer Benjamin , Gulias Moises , Gaunt Matthew J. 
Published: April 2011

AbstractThe Pd‐catalyzed C—H bond functionalization of β‐arylethylamines proceeds under mild conditions and allows C—H carbonylation, C—H arylation, and C—H amination.
ChemInform Abstract: Synthesis of Chromeno[3,4‐b]quinolines: Electrophilic Aromatic Substitution under Heck Conditions.
Authors: Morris Andrew L. C. , Jackson Yvette A. 
Published: April 2011

AbstractElectron‐donating groups on the phenoxy ring of substrates (I) increase the rate of cyclization reactions, whereas deactivating substituents such formyl and nitro inhibit the process.
ChemInform Abstract: Synthesis of 1‐Substituted 1,2,3,4‐Tetrahydrobenz[g]isoquinoline‐5,10‐diones.
Authors: Shinkevich Ekaterina , Deblander Jurgen , Matthijs Sandra , Jacobs Jan , De Kimpe Norbert , Abbaspour Tehrani Kourosch 
Published: April 2011

AbstractThe novel synthesis of N‐acyl substituted isoquinoline derivatives (III) through the activated Pictet—Spengler reaction has to be carried out in the presence of AlCl3.
ChemInform Abstract: Nitrogen Heteroaromatic Cations by [2 + 2 + 2] Cycloaddition.
Authors: Cizkova Martina , Kolivoska Viliam , Cisarova Ivana , Saman David , Pospisil Lubomir , Teply Filip 
Published: April 2011

AbstractA variety of fused heterocyclic cations is prepared in the reaction with the gaseous acetylene, catalyzed by rhodium or irridium complexes.
ChemInform Abstract: Supramolecular Synthesis of 3,4‐Dihydropyrimidine‐2(1H)‐one/thiones under Neat Conditions.
Authors: Asghari Sekineh , Tajbakhsh Mahmood , Kenari Behnam Jafarzadeh , Khaksar Samad 
Published: April 2011

AbstractSulfonylated β‐cyclodextrin is found to be an efficient heterogeneous catalyst for the three‐component reaction.
ChemInform Abstract: Convergent Assembly of Structurally Diverse Quinazolines.
Authors: Crespo Abel , Coelho Alberto , Diz Paula M. , Fernandez Franco , Novoa de Armas Hector , Sotelo Eddy 
Published: April 2011

AbstractThe Vilsmeier—Haack‐based carboannulation strategy is applied to prepare a variety of different halogenated quinazoline derivatives, strongly dependent on the N‐substitution and reaction temperature.
ChemInform Abstract: First Example of Quinoxaline‐Directed C—H Activation: A Novel Method for Acetoxylation of Arenes.
Authors: Reddy B. V. Subba , Ramesh K. , Yadav J. S. 
Published: April 2011

AbstractIodosobenzene diacetate and palladium acetate as the catalyst are used for the regioselective acetoxylation of phenyl substituted quinoxaline derivatives.
ChemInform Abstract: Efficient Synthesis of [1,3]Oxazino[3,2‐f]phenanthridine Derivatives by a Novel 1,4‐Dipolar Cycloaddition Involving a Phenanthridine—Dimethyl Acetylenedicarboxylate Zwitterion and Aromatic Aldehydes.
Authors: Li Ming , Pan Lei , Wen Li‐Rong 
Published: April 2011

AbstractThe multicomponent procedure allows the regioselective synthesis of the title skeleton under mild conditions.
ChemInform Abstract: One‐Pot Syntheses of 2‐(2‐Sulfanyl‐4H‐3,1‐benzothiazin‐4‐yl)acetic Acid Derivatives via Reactions of 3‐(2‐Isothiocyanatophenyl)prop‐2‐enoic Acid Derivatives with Thiols or Sodium Sulfide.
Authors: Fukamachi Shuhei , Konishi Hisatoshi , Kobayashi Kazuhiro 
Published: April 2011

AbstractTitle compounds can be synthesized by two different pathways.
ChemInform Abstract: Facile Route for Novel Quinazolinone‐Fused Azauracils Through Cyclodesulfurization of Thioquinazolinones.
Authors: Kale Raju R. , Prasad Virendra , Tiwari Vinod K. 
Published: April 2011

AbstractThioquinazolinones react with two equivalents of silver cyanate to give quinazoline‐fused azauracils via a cyclodesulfurization process.
ChemInform Abstract: Expeditious Entry to Enantiopure Mono‐ and Bis(tricyclic) β‐Lactams by Single or Double [2 + 2] Cycloaddition of Allenynes.
Authors: Alcaide Benito , Almendros Pedro , Aragoncillo Cristina , Gomez‐Campillos Gonzalo 
Published: April 2011

AbstractThermal cycloaddition of β‐lactam‐tethered allenynes, e.g. (III), provides access to structurally novel tricyclic β‐lactams containing a seven‐membered ring and a strained cyclobutene ring.
ChemInform Abstract: Polyethylene Glycol (PEG‐400): An Efficient and Recyclable Reaction Medium for the Synthesis of Novel 1; 5‐Benzodiazepines and Their Antimicrobial Activity.
Authors: Konda Shankaraiah G. , Shaikh Baseer M. , Chavan Sanjay A. , Dawane Bhaskar S. 
Published: April 2011

AbstractCondensation of o‐phenylenediamine with chalcones (II) provides the target compounds (12 examples) which are evaluated for antifungal and antibacterial activity.
ChemInform Abstract: Benzoylureas as Removable cis Amide Inducers: Synthesis of Cyclic Amides via Ring Closing Metathesis (RCM).
Authors: Brady Ryan M. , Khakham Yelena , Lessene Guillaume , Baell Jonathan B. 
Published: April 2011

AbstractThe benzoylurea auxiliary in (I) and (IV) facilitate the formation of macrocyclic lactams via stabilization of a cisoid amide bond, promoting rapid and high yielding ring closure via ring closing metathesis.
ChemInform Abstract: Cytotoxic and Protective DNA Damage of Three New Diterpenoids from the Brown Alga Dictoyota dichotoma.
Authors: Ayyad Seif‐Eldin N. , Makki Mohamed S. , Al‐kayal Nazeeha S. , Basaif Salim A. , El‐Foty Kalid O. , Asiri Abdullah M. , Alarif Walied M. , Badria Farid A. 
Published: April 2011

AbstractThe biological activity of compounds (I) is relatively high in all types of assays (bleomycin‐dependent DNA damage, cytotoxicity against WI‐38, HepG2, MCF‐7 cells and antioxidant activity).
ChemInform Abstract: Antioxidant Activity of a New C‐Glycosylflavone from the Leaves of Ficus microcarpa.
Authors: Kim Young Ho , et al. et al. 
Published: April 2011

AbstractThe bioactive‐guided fractionation of the methanol extract of F.microcarpa leaves furnishes one new C‐glycosylflavone, ficuflavoside (I), one new megastigmane glycoside, ficumegasoside (II), and twelve known compounds including flavonoids, phenylpropanoids, megastigmanes and sterol derivatives.
ChemInform Abstract: The Pd‐Catalyzed Alder‐Ene Reactions of N‐Protected and Propargylated 1‐Amino‐2‐aryl‐2‐cyclohexenes as a New Route to C3a‐Arylhexahydroindoles: Towards the Total Synthesis of Tazettine.
Authors: Lehmann Anna L. , Willis Anthony C. , Banwell Martin G. 
Published: April 2011

AbstractA series of N‐protected and propargylated 1‐amino‐2‐arylcyclohex‐2‐enes is prepared on routes similar to that described for (V).
ChemInform Abstract: Bafilomycins Produced by an Endophytic Actinomycete Streptomyces sp. YIM56209
Authors: Yu Zhiguo , Zhao Li‐Xing , Jiang Cheng‐Lin , Duan Yanwen , Wong Lily , Carver Kristopher C. , Schuler Linda A. , Shen Ben 
Published: April 2011

Abstractisolation, structure determination and cytotoxicity of two new bafilomycins, 9‐hydroxybafilomycin D (Ia) and 29‐hydroxybafilomycin D (Ib), together with nine known bafilomycins
ChemInform Abstract: Cycloheximide and Congeners as Inhibitors of Eukaryotic Protein Synthesis from Endophytic Actinomycetes Streptomyces sps. YIM56132 and YIM56141.
Authors: Huang Sheng‐Xiong , Yu Zhiguo , Robert Francis , Zhao Li‐Xing , Jiang Yi , Duan Yanwen , Pelletier Jerry , Shen Ben 
Published: April 2011

Abstract[isolation, structure and activity of two new cycloheximide congeners, i.e.
ChemInform Abstract: Aspergilones A and B, Two Benzylazaphilones with an Unprecedented Carbon Skeleton from the Gorgonian‐Derived Fungus Aspergillus sp.
Authors: Shao Chang‐Lun , Wang Chang‐Yun , Wei Mei‐Yan , Gu Yu‐Cheng , She Zhi‐Gang , Qian Pei‐Yuan , Lin Yong‐Cheng 
Published: April 2011

AbstractAspergilone A(I) possessing an azaphilone structure, and its symmetrical dimer with a unique methylene bridge, aspergilone B(II), are isolated from the culture broth of the marine derived title plant.
ChemInform Abstract: Synthesis and Biological Evaluation of Novel Dihydro‐aryl/alkylsulfanyl‐cyclohexylmethyl‐oxopyrimidines (S‐DACOs) as High Active anti‐HIV Agents.
Authors: He Yan‐Ping , et al. et al. 
Published: April 2011

AbstractA combinatory library of title compounds is designed by exploring the effect of the 6‐cyclohexyl moiety in the 4‐pyrimidinone series on the anti HIV‐1 activity.