bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Oxidation of Disulfides with Selectfluor: Concise Syntheses of Thiosulfonates and Sulfonyl Fluorides.
Authors: Kirihara Masayuki , Naito Sayuri , Ishizuka Yuki , Hanai Honoka , Noguchi Takuya
Published: November 2012

The oxidation of disulfides (I) with Selectfluor in the presence of water produces the corresponding thiosulfonates (III), which further react with Selectfluor and water to provide sulfonyl fluorides (II).
ChemInform Abstract: Green and Practical Synthesis of Carbamates from Ureas and Organic Carbonates.
Authors: Guo Xiaoguang , Shan Jianpeng , Li Jian , Wang Liguo , Ma Yubo , Shi Feng , Deng Youquan
Published: November 2012

A facile synthesis of carbamates (III) (14 examples) from ureas and organic carbonates using La2O3—SiO2 as catalyst is developed.
ChemInform Abstract: Magnetically Recoverable Pd/Fe3O4‐Catalyzed Hiyama Cross‐Coupling of Aryl Bromides with Aryl Siloxanes.
Authors: Sreedhar B. , Kumar A. Suresh , Yada Divya
Published: November 2012

The simple procedure in the presence of a magnetically recoverable catalyst allows the synthesis of biaryls via fluoride‐free aqueous cross‐coupling.
ChemInform Abstract: Synthesis of Biaryl Derivatives by Using Ruthenium‐Mediated [2 + 2 + 2] Cyclotrimerization and Suzuki—Miyaura Cross‐Coupling as Key Steps.
Authors: Kotha Sambasivarao , Seema Vittal , Mobin Shaikh M.
Published: November 2012

The title reaction produces m‐terphenyls of type (III).
ChemInform Abstract: Conjugated Polymer Stabilized Palladium Nanoparticles as a Versatile Catalyst for Suzuki Cross‐Coupling Reactions for Both Aryl and Heteroaryl Bromide Systems.
Authors: Islam Rafique Ul , Witcomb Michael J. , Scurrell Michael S. , van der Lingen Elma , Van Otterlo Willem , Mallick Kaushik
Published: November 2012

The preparation of a palladium‐polymer hydride material in which the metal nanoparticles are stabilized in a polymer matrix is described.
ChemInform Abstract: An Efficient and Convenient Protocol for the Synthesis of Diaminotriarylmethanes
Authors: Hou Jun‐Tao , Gao Jian‐Wu , Zhang Zhan‐Hui
Published: November 2012

via NbCl5‐catalyzed Bayer condensation of aromatic aldehydes and N,N‐dialkylaniline under solvent‐free conditions
ChemInform Abstract: Synthesis of Some New 1,4‐Distyrylbenzenes Using Immobilized Palladium Nanoparticles on Silica Functionalized Morpholine as a Recyclable Catalyst.
Authors: Niknam Khodabakhsh , Gharavi Alireza , Nezhad M. Reza Hormozi , Panahi Farhad , Sharbati Mohammad Taghi
Published: November 2012

A new recyclable catalyst is utilized to promote the double Heck reaction of 1,4‐dihalobenzenes.
ChemInform Abstract: Chiral Squaramide‐Catalyzed Highly Enantioselective Michael Addition of 2‐Hydroxy‐1,4‐naphthoquinones to Nitroalkenes.
Authors: Yang Wen , Du Da‐Ming
Published: November 2012

The chiral squaramide allows formation of a wide range of functionalized naphthoquinones in high yields and excellent enantioselectivity.
ChemInform Abstract: Synthesis of Benzocycloheptanones Through Coupling of δ,ε‐Unsaturated Chromium Carbene Complexes and 2‐Alkynylbenzoyl Derivatives.
Authors: Patti Rajesh Kumar , Waynant Kristopher V. , Herndon James W.
Published: November 2012

The open‐chain Fischer carbenes (II) are suitable substrates for the construction of various title compounds where the seven‐membered ring and one of the benzene rings are formed in a single step.
ChemInform Abstract: Preparation of Functional Benzofurans, Benzothiophenes, and Indoles Using Ester, Thioester, and Amide via Intramolecular Wittig Reactions.
Authors: Syu Siang‐en , Lee Yu‐Ting , Jang Yeong‐Jiunn , Lin Wenwei
Published: November 2012

The synthesis starts directly from salicylic aldehyde derivatives and succeeds in a one‐pot procedure with comparable yields.
ChemInform Abstract: Synthesis of 1,2,5‐ and 1,2,3,5‐Substituted Pyrroles from Substituted Aziridines via Ag(I)‐Catalyzed Intramolecular Cyclization.
Authors: Kim Jun Hee , Lee Sang Bin , Lee Won Koo , Yoon Doo‐Ha , Ha Hyun‐Joon
Published: November 2012

Sequential ring opening of propargylic aziridines (I) and (IV) with acetic acid and Ag(I)‐catalyzed nucleophilic recyclization provides a novel access towards hydroxymethylpyrrole derivatives (II) and (V), resp., in moderate to good yields.
ChemInform Abstract: Enantioselective Pd(II)‐Catalyzed Aerobic Oxidative Amidation of Alkenes and Insights into the Role of Electronic Asymmetry in Pyridine‐Oxazoline Ligands.
Authors: McDonald Richard I. , White Paul B. , Weinstein Adam B. , Tam Chun Pong , Stahl Shannon S.
Published: November 2012

Both diastereomers can be obtained stereoselectively starting from chiral substrates and using the enantiomeric catalysts (I).
ChemInform Abstract: Unexpected Formation of (Z)‐3‐(Halomethylene)isoindolinones from gem‐Dihalovinylbenzonitriles: Efficient Synthesis of Enyne‐Containing Isoindolinones.
Authors: Wang Chengming , Sun Caiyun , Weng Fei , Gao Mingchun , Liu Bingxin , Xu Bin
Published: November 2012

Direct treatment of substrates of type (I) with hydrogen peroxide and aqueous NaOH in EtOH is known to produce ortho‐gem‐dihalovinylbenzamides.
ChemInform Abstract: Reaction of Arynes with Amino Acid Esters.
Authors: Okuma Kentaro , Matsunaga Nahoko , Nagahora Noriyoshi , Shioji Kosei , Yokomori Yoshinobu
Published: November 2012

Several racemic indolinones (V) are obtained by reaction of amino acid esters (IV) with in situ generated benzyne.
ChemInform Abstract: ZrCl4‐Mediated Regio‐ and Chemoselective Friedel—Crafts Acylation of Indole.
Authors: Guchhait Sankar K. , Kashyap Maneesh , Kamble Harshad
Published: November 2012

It is found that ZrCl4 efficiently promotes regio‐ and chemoselective acylation of indoles yielding a wide range of 3‐acylindoles.
ChemInform Abstract: Synthesis of the New Ring System Pyrrolizino[2,3‐b]indol‐4(5H)‐one.
Authors: Diana Patrizia , Stagno Antonina , Barraja Paola , Montalbano Alessandra , Carbone Anna , Parrino Barbara , Cirrincione Girolamo
Published: November 2012

A variety of pyrrolizinoindolones (VIII) is synthesized as demonstrated for derivative (VIIIa).
ChemInform Abstract: Highly Selective Synthesis of Pyrazole and Spiropyrazoline Phosphonates via Base‐Assisted Reaction of the Bestmann—Ohira Reagent with Enones.
Authors: Verma Deepti , Mobin Shaikh , Namboothiri Irishi N. N.
Published: November 2012

A number of new, biologically important pyrazole phosphonates is prepared.
ChemInform Abstract: An E‐Factor Minimized Solvent‐Free Protocol for the Preparation of 4,5‐Dihydro‐5‐(trifluoromethyl)‐1H‐pyrazoles.
Authors: Buriol Lilian , Frizzo Clarissa P. , Moreira Dayse N. , Prola Lizie D. T. , Marzari Mara R. B. , Muenchen Taiana S. , Zantta Nilo , Bonacorso Helio G. , Martins Marcos A. P.
Published: November 2012

A series of fluorine‐containing 4,5‐dihydro‐1H‐pyrazoles (III) are obtained in a efficient and green synthesis using microwave irradiation and solvent‐free conditions.
ChemInform Abstract: Diversity‐Oriented Silver(I)‐Mediated Synthesis of Spiro‐2‐aminoimidazoles.
Authors: Pereshivko Olga P. , Peshkov Vsevolod A. , Ermolat'ev Denis S. , Van Hove Sofie , Van Hecke Kristof , Van Meervelt Luc , Van der Eycken Erik V.
Published: November 2012

A series of variously substituted title compounds is synthesized starting with a three‐component coupling of ketones, aromatic amines, and terminal alkynes followed by a Ag(I)‐mediated tandem guanylation/intermolecular cyclization.
ChemInform Abstract: Potassium Hydroxide/Dimethyl Sulfoxide Promoted Intramolecular Cyclization for the Synthesis of Benzimidazol‐2‐ones.
Authors: Beyer Astrid , Reucher Christine M. M. , Bolm Carsten
Published: November 2012

The direct conversion of phenyl urea (IIIa) to (IVa) is not successful.
ChemInform Abstract: Facile and Rapid Access to Poly Functionalized Pyridine Derivatives.
Authors: Shinde Pravin V. , Shingate Bapurao B. , Shingare Murlidhar S.
Published: November 2012

The described multicomponent cyclocondensation can be considered as green chemistry, since water is used as solvent.
ChemInform Abstract: An Efficient One‐Pot Synthesis of Isoxazolyl Polyhydroquinolines via Hantzsch Condensation Using L‐Proline as Catalyst.
Authors: Rajanarendar E. , Reddy M. Nagi , Raju S.
Published: November 2012

For the first time L‐proline is used to promote a four component Hantzsch synthesis.
ChemInform Abstract: Red Fluorescent 4‐(Dicyanomethylene)‐2‐norbornenyl‐6‐ (1,1,7,7‐tetramethyljulolidyl‐9‐enyl)‐4H‐pyran (DCJNB) for Organic Light‐Emitting Diodes (OLEDs).
Authors: Lee Kum Hee , Kim Young Kwan , Yoon Seung Soo
Published: November 2012

design and synthesis of the new red emitter DCJNB (III)
ChemInform Abstract: Intramolecular Alkene Carboamination Reactions for the Synthesis of Enantiomerically Enriched Tropane Derivatives.
Authors: Schultz Danielle M. , Wolfe John P.
Published: November 2012

The attempt to transform noncyclic alkenyl substrates into tropane derivatives fails.The method proceeds generally without racemization and can be applied to the preparation of the MK‐801 analogue (XIII) in optically active form.
ChemInform Abstract: Copper(II)‐Catalyzed Synthesis of Pyrimidines from Propargylic Alcohols and Amidine: A Propargylation—Cyclization—Oxidation Tandem Reaction.
Authors: Lin Min , Chen Qing‐zhen , Zhu Yu , Chen Xin‐liang , Cai Ji‐jun , Pan Ying‐ming , Zhan Zhuang‐ping
Published: November 2012

The reaction offers a novel approach towards the synthesis of 2,4‐disubstituted and 2,4,6‐trisubstituted title compounds from aromatic propargyl alcohols.
ChemInform Abstract: Convergent Domino Knoevenagel Hetero‐Diels—Alder and Domino Oxidation Hetero‐Diels—Alder Reactions Encountered in an Unexpected Formation of Novel 5‐Aryl‐1H‐pyrano[2,3‐d]pyrimidine‐2,4(3H,5H)‐diones and 5‐Aryl‐2,3‐dihydro‐2‐thioxo‐1H‐pyrano[2,3‐d]pyrimidin‐4(5H)‐ones.
Authors: Zidar Nace , Kikelj Danijel
Published: November 2012

The reaction can also be conducted under microwave conditions, resulting in shortened reaction times and apart from a few examples lower yields.
ChemInform Abstract: Synthesis and Biological Activity of Novel Barbituric and Thiobarbituric Acid Derivatives Against Non‐Alcoholic Fatty Liver Disease.
Authors: Chen Lijuan , et al. et al.
Published: November 2012

The title compounds (III) (44 examples) are evaluated for their effects on adipogenesis of 3T3‐L1 adipocytes by measuring the expression of adiponectin in vitro.
ChemInform Abstract: Vitamin B1 as a Metal‐Ion‐Free Natural Catalyst for Sustainable Quinoxaline Ring Condensation under Sonochemical Conditions.
Authors: Aghapoor Kioumars , Mohsenzadeh Farshid , Talebian Shiva , Tehrani Mohammad Jafar , Balavar Yadollah , Khanalizadeh Golriz , Darabi Hossein Reza
Published: November 2012

A mild, efficient, and environmentally benign method for the synthesis of quinoxaline derivatives (III) using vitamin B1 as catalyst is described.
ChemInform Abstract: Preparation of 2‐Fluoro‐3‐aminophenylboronates via Directed ortho‐Metalation.
Authors: Zhichkin Paul E. , Krasutsky Sergiy G. , Beer Catherine M. , Rennells W. Martin , Lee Seung H. , Xiong Jin‐Ming
Published: November 2012

N,N‐Diprotected anilines of type (III) undergo lithiation ortho to the fluorine substituent upon treatment with lithium tetramethylpiperidine.
ChemInform Abstract: Acid‐Catalyzed Reactions of 3‐(Naphthalen‐2‐yl)‐2,2‐bis(trimethylsilyl)oxiran. A New Synthesis of Functional‐Group‐Substituted Vinylsilanes.
Authors: Safa Kazem D. , Behmagham Farnaz , Ghorbanpour Khatereh
Published: November 2012

Lewis acid‐mediated reaction of title oxirane (I) with various nucleophiles proceeds with regioselective oxirane ring opening at the position α to the trimethylsilyl groups to give α‐functionalized β‐naphthalenylvinylsilanes, e.g. (IV)/(V), (VII) or (IX).
ChemInform Abstract: Multicomponent Reactions in a One‐Pot Synthesis of α‐Aminophosphonates and α‐Aminophosphonic Diamides with Antiinflammatory Properties.
Authors: Abdou Wafaa M. , Barghash Reham F. , Bekheit Mohamed S.
Published: November 2012

Some of the new title compounds show considerable antiinflammatory properties.
ChemInform Abstract: Indium Triflate‐Catalyzed Coupling of Indoles with Acyl Phosphonates: Synthesis of Bis(indolyl)methane Phosphonates.
Authors: Dasbasi Teslima , Polat‐Cakir Sidika , Abdullah Meysun , Demir Ayhan S.
Published: November 2012

Indium‐catalyzed coupling of acylphosphonates (I) with N‐methylindole (II) provides access to bis(indolyl)methane phosphonates (III) in good yields.
ChemInform Abstract: Volvalerelactones A (I) and B (II), Two New Sesquiterpenoid Lactones with an Unprecedented Skeleton from Valeriana officinalis var. latifolia.
Authors: Zhao You‐Xing , et al. et al.
Published: November 2012

Both compounds show no acetylcholine esterase inhibitory activity.
ChemInform Abstract: Three New Highly Acylated 3,4‐seco‐Grayanane Diterpenoids from the Fruits of Pieris formosa
Authors: Wu Zhao‐Yuan , Li Yuan‐Dan , Wu Gui‐Sheng , Luo Huai‐Rong , Li Hong‐Mei , Li Rong‐Tao
Published: November 2012

structure determination and biological activities of pierisformotoxins E‐G
ChemInform Abstract: A Synthesis of 2‐epi‐Fagomine Using Gold(I)‐Catalyzed Allene Cyclization.
Authors: Bates Roderick W. , Ng Pearly Shuyi
Published: November 2012

A highly stereoselective Au(I)‐catalyzed cyclization of allene (IV) is the key step in the synthesis of 2‐epi‐fagomine (VI).
ChemInform Abstract: Trigonoines A and B, Two Novel Alkaloids from the Leaves of Trigonostemon lii.
Authors: Li Shi‐Fei , Di Ying‐Tong , He Hong‐Ping , Zhang Yu , Wang Yue‐Hu , Yin Jun‐Lin , Tan Cheng‐Jian , Li Shun‐Lin , Hao Xiao‐Jiang
Published: November 2012

Trigonoines A (I) and B (II) do not show anti‐HBV activity but weak anti‐HIV activity.
ChemInform Abstract: The Synthesis of the 8‐C‐Substituted 2,6‐Diamino‐9‐[2‐(phosphonomethoxy)ethyl]purine (PMEDAP) Derivatives by Diverse Cross‐Coupling Reactions.
Authors: Sedlacek Ondrej , Brehova Petra , Pohl Radek , Holy Antonin , Janeba Zlatko
Published: November 2012

Various cross‐coupling reactions of purine derivative (I) with diverse types of organometallic reagents are employed for the preparation of a series of 8‐substituted purines.
ChemInform Abstract: An Economical Synthesis of D‐ and L‐Pyrimidine Arabino‐ and Ribonucleosides.
Authors: Lazrek Hassan B. , Ouzebla Driss , Faraj Abdesslem
Published: November 2012

Natural phosphate doped with KI serves as an inexpensive and environmentally benign catalyst to mediate the stereoselective N‐glycosylation of nucleobases (I) with protected ribose or arabinose.
ChemInform Abstract: Asymmetric Synthesis of (‐)‐Chicanine Using a Highly Regioselective Intramolecular Mitsunobu Reaction and Revision of Its Absolute Configuration.
Authors: Harada Kenichi , Horiuchi Hiroki , Tanabe Kazuma , Carter Rich G. , Esumi Tomoyuki , Kubo Miwa , Hioki Hideaki , Fukuyama Yoshiyasu
Published: November 2012

The synthetic studies reveal that the structure proposed for (‐)‐chicanine is in fact that of its antipode (+)‐chicanine, whereas the (‐)‐isomer is represented by structure (I).
ChemInform Abstract: Simplextones A (Ia) and B (Ib), Unusual Polyketides from the Marine Sponge Plakortis simplex.
Authors: Liu Xiang‐Fang , Song Yun‐Long , Zhang Hong‐Jun , Yang Fan , Yu Hao‐Bing , Jiao Wei‐Hua , Piao Shu‐Juan , Chen Wan‐Sheng , Lin Hou‐Wen
Published: November 2012

Preliminary studies reveal moderate cytotoxicity.
ChemInform Abstract: Formal Oxidation State +2: Metal—Metal Bonded Versus Mononuclear Derivatives
Authors: Uhl Werner , Layh Marcus
Published: November 2012

Review: of group 13 metals; 361 refs.
ChemInform Abstract: The Chemistry of the Group 13 Metals in the +3 Oxidation State: Simple Inorganic Compounds
Authors: Aldridge Simon
Published: November 2012

Review: 749 refs.
ChemInform Abstract: LiFePO4 Cathode Materials for Lithium‐Ion Batteries
Authors: Jin B. , Jiang Q.
Published: November 2012

Review: 152 refs.
ChemInform Abstract: Hydrogen Storage in Nanoporous Carbon
Authors: Cabria Ivan , Lopez Maria J. , Alonso Julio A.
Published: November 2012

Review: 69 refs.
ChemInform Abstract: Double‐Walled Carbon Nanotubes: Challenges and Opportunities
Authors: Shen Cai , Brozena Alexandra H. , Wang Yu Huang
Published: November 2012

Review: 143 refs.
ChemInform Abstract: Unique Catalytic Features of Ag Nanoclusters for Selective NOx Reduction and Green Chemical Reactions
Authors: Shimizu Kenichi , Sawabe Kyoichi , Satsuma Atsushi
Published: November 2012

Review: 129 refs.
ChemInform Abstract: Quantum‐Sized Gold Nanoclusters: Bridging the Gap Between Organometallics and Nanocrystals
Authors: Jin Rongchao , Zhu Yan , Qian Huifeng
Published: November 2012

Review: 90 refs.
ChemInform Abstract: Chemistry of Beryllium
Authors: Walsh Kenneth A. , Vidal Edgar E. , Mishra Brajendra
Published: November 2012

Review: 75 refs.
ChemInform Abstract: From Total Synthesis to Diverted Total Synthesis. Case Studies in the Amphidinolide Series
Authors: Fuerstner Alois
Published: November 2012

Review: 206 refs.
ChemInform Abstract: Strategy Evolution in the Total Synthesis of Spirastrellolide A Methyl Ester
Authors: Paterson Ian , Dalby Stephen M. , Maltas Philip
Published: November 2012

Review: 83 refs.
ChemInform Abstract: Maitotoxin — An Inspiration for Synthesis
Authors: Nicolaou K. C. , Aversa Robert J.
Published: November 2012

Review: 220 refs.
ChemInform Abstract: Salicylanilides and Their Derivatives as Perspective Antituberculosis Drugs: Synthetic Routes and Biological Evaluations
Authors: Imramovsky Ales , Pauk Karel , Pejchal Vladimir , Hanusek Jiri
Published: November 2012

Review: 62 refs.
ChemInform Abstract: Palladium Catalysis for Oxidative 1,2‐Difunctionalization of Alkenes
Authors: Jacques Beatrice , Muniz Kilian
Published: November 2012

Review: 51 refs.
ChemInform Abstract: The Formation of Csp2—S and Csp2—Se Bonds by Substitution and Addition Reactions Catalyzed by Transition Metal Complexes
Authors: Beletskaya Irina P. , Ananikov Valentine P.
Published: November 2012

Review: 225 refs.
ChemInform Abstract: Dialkylbiaryl Phosphines in Pd‐Catalyzed Amination: A User′s Guide
Authors: Surry David S. , Buchwald Stephen L.
Published: November 2012

Review: 236 refs.
ChemInform Abstract: Recent Advances in Direct Catalytic Asymmetric Transformations under Proton‐Transfer Conditions
Authors: Kumagai Naoya , Shibasaki Masakatsu
Published: November 2012

Review: ca. 250 refs.
ChemInform Abstract: Metallopeptides for Enantioselective Catalysis
Authors: Roelfes Gerard
Published: November 2012

Review: 27 refs.
ChemInform Abstract: Aromatic Rings in Chemical and Biological Recognition: Energetics and Structures
Authors: Salonen Laura M. , Ellermann Manuel , Diederich Francois
Published: November 2012

Review: ca. 800 refs.
ChemInform Abstract: Enantioselective Synthesis of Alkaloids from Phenylglycinol‐Derived Lactams
Authors: Amat Mercedes , Llor Nuria , Griera Rosa , Perez Maria , Bosch Joan
Published: November 2012

Review: 66 refs.
ChemInform Abstract: Recent Advances in the Synthesis of Sesquiterpenolides from Umbelliferae
Authors: Guerra Francisco M. , Moreno‐Dorado F. Javier , Jorge Zacarias D. , Massanet Guillermo M.
Published: November 2012

Review: 44 refs.
ChemInform Abstract: Drimenol, a Versatile Synthon for Compounds with Trans‐drimane Skeleton
Authors: Cortes Manuel , Delgado Virginia , Saitz Claudio , Armstrong Veronica
Published: November 2012

Review: 83 refs.
ChemInform Abstract: Biomimetic Cyclization of Geraniol Derivatives: A Useful Tool in the Total Synthesis of Bioactive Monocyclic Terpenoids
Authors: Merlini Valentina , Luparia Marco , Porta Alessio , Zanoni Giuseppe , Vidari Giovanni
Published: November 2012

Review: 63 refs.
ChemInform Abstract: Thioureidoalkylphosphonates in the Synthesis of 1‐Aminoalkylphosphonic Acids. The Ptc‐aminophosphonate Method
Authors: Kudzin Marcin H. , Kudzin Zbigniew H. , Drabowicz Jozef
Published: November 2012

Review: 195 refs.
ChemInform Abstract: Stereoselective Hydroboration and Diboration of Carbon—Carbon Double Bonds
Authors: Brown J. M. , Nguyen B. N.
Published: November 2012

Review: 130 refs.
ChemInform Abstract: Synthetic Routes to N‐Heterocyclic Carbene Precursors
Authors: Benhamou Laure , Chardon Edith , Lavigne Guy , Bellemin‐Laponnaz Stephane , Cesar Vincent
Published: November 2012

Review: 324 refs.
ChemInform Abstract: Synthesis of Enantioenriched Sulfoxides
Authors: O'Mahony Graham E. , Kelly Padraig , Lawrence Simon E. , Maguire Anita R.
Published: November 2012

Review: 326 refs.
ChemInform Abstract: Photochemistry of Aromatic Compounds
Authors: Mizuno Kazuhiko
Published: November 2012

Review: 188 refs.
ChemInform Abstract: Tetroxanes: Structure and Properties
Authors: Jorge Lydia N. , Castro Eduardo A.
Published: November 2012

Review: 78 refs.
ChemInform Abstract: Steering Glycosylation with the Carbon—Fluorine Bond
Authors: Bucher Christoph , Gilmour Ryan
Published: November 2012

Review: ca. 40 refs.
ChemInform Abstract: [5 + 1]‐Annulation Strategy Based on Alkenoyl Ketene Dithioacetals and Analogues
Authors: Pan Ling , Liu Qun
Published: November 2012

Review: ca. 50 refs.
ChemInform Abstract: Studies on Molecular Conductors: From Organic Semiconductors to Molecular Metals and Superconductors
Authors: Kobayashi Hayao , Kobayashi Akiko , Tajima Hiroyuki
Published: November 2012

Review: 130 refs.
ChemInform Abstract: Cardamine sp. — A Review on Its Chemical and Biological Profiles
Authors: Montaut Sabine , Bleeker Rene S.
Published: November 2012

Review: [84 refs.],.
ChemInform Abstract: Phytochemical and Biological Studies of Lycium Medicinal Plants
Authors: Yao Xia , Peng Yong , Xu Li‐Jia , Li Li , Wu Qing‐Li , Xiao Pei‐Gen
Published: November 2012

Review: 179 refs.
ChemInform Abstract: Chemical and Biological Studies of Soft Corals of the Nephtheidae Family
Authors: Hu Jing , Yang Bin , Lin Xiuping , Zhou Xuefeng , Yang Xianwen , Long Lijuan , Liu Yonghong
Published: November 2012

Review: 87 refs.
ChemInform Abstract: Physical Chemistry of Biological Interfaces: Generic and Specific Roles of Soft Interlayers
Authors: Tanaka Motomu , Schneck Emanuel , Yoshikawa Hiroshi Y. , Rossetti Fernanda F.
Published: November 2012

Review: 78 refs.
ChemInform Abstract: Inhibitors of the Interactions Between HIV‐1 IN and the Cofactor LEDGF/p75
Authors: De Luca Laura , Ferro Stefania , Morreale Francesca , De Grazia Sara , Chimirri Alba
Published: November 2012

Review: 58 refs.
ChemInform Abstract: (Sr1‐xBax)FeO2 (0.4 ≤ x ≤ 1): A New Oxygen‐Deficient Perovskite Structure.
Authors: Kageyama Hiroshi , et al. et al.
Published: November 2012

The new oxygen‐deficient perovskites of title are prepared by reaction of (Sr1‐xBax)FeO3‐δ (x = 0.4, 0.5, 0.6, 0.7, 0.8, 0.9; δ ≤ 0.5; obtained from stoichiometric mixtures of SrCO3, BaCO3, and Fe2O3 at 1473 K in air for 48 h) with an excess of CaH2 at 593 K for 3—14 d (0.4 ≤ x ≤ 0.9) and NaH at 413 K for 3 d (x = 1.0).
ChemInform Abstract: Large‐Scale Synthesis of High‐Quality Metal Sulfide Semiconductor Quantum Dots with Tunable Surface‐Plasmon Resonance Frequencies.
Authors: Kanehara Masayuki , Arakawa Hisamitsu , Honda Tetsuya , Saruyama Masaki , Teranishi Toshiharu
Published: November 2012

High‐quality CdS and Cu7S4 quantum dots are synthesized from cadmium or copper stearate in oleylamine and di‐octyl ether using N,N‐dibutylthiourea as an organic sulfur source.
ChemInform Abstract: A Rapid Solvothermal Synthesis of Cerium Oxide Hollow Spheres and Characterization.
Authors: Devaraju Murukanahally Kempaiah , Liu Xiangwen , Yin Shu , Sato Tsugio
Published: November 2012

CeO2 hollow spheres are solvothermally synthesized under subcritical conditions from Ce(NO3)3 dissolved in a mixture of water, iPrOH, and polyvinyl alcohol (PVA500#) as a surfactant (autoclave, 350 °C, 10 min).
ChemInform Abstract: Synthesis and Structure of Bismuth(III)‐Containing Noncentrosymmetric Phosphates, Cs3KBi2M4(PO4)6Cl (M: Mn, Fe). Monoclinic (Cc) and Tetragonal (P43) Polymorphs Templated by Chlorine‐Centered Cl(Bi2Cs) Acentric Units.
Authors: West J. Palmer , Sulejmanovic Dino , Hwu Shiou‐Jyh , He Jian , VanDerveer Don , Johnson B. Keith
Published: November 2012

Single crystals of α‐Cs3KBi2Mn4 (PO4)6Cl (I), β‐Cs3KBi2Mn4 (PO4)6Cl (II), and α‐Cs3KBi2Fe4 (PO4)6Cl (III) are synthesized in reactive CsCl/KCl molten‐salt media from Bi2O3, Mn2O3 (Fe2O3), and P4O10 in a molar ratio of 1:1:1 (I) or 2:1:1 (II) (800 °C, 4 d, 10—30% yield).
ChemInform Abstract: Synthesis and Crystal Structures of New Oxyapatites BiCa4‐xLax(VO4)3‐x (GeO4)xO, x = 1—3.
Authors: Zhuravlev V. D. , Tyutyunnik A. P. , Zubkov V. G. , Perelyaeva L. A. , Baklanova I. V. , Blinova A. L.
Published: November 2012

The new compounds BiCa3La(VO4)2(GeO4)O, BiCa2La2(VO4) (GeO4)2O, and BiCaLa3(GeO4)3O are synthesized by the nitrate—citrate method and characterized by powder XRD, IR, and Raman spectroscopy.
ChemInform Abstract: Structure and Magnetic Ordering of the Anomalous Layered (2D) Ferrimagnet [NEt4]2MnII3(CN)8 and 3D Bridged‐Layered Antiferromagnet [NEt4]MnII3(CN)7 Prussian Blue Analogues.
Authors: Kareis Christopher M. , Her Jae‐Hyuk , Stephens Peter W. , Moore Joshua G. , Miller Joel S.
Published: November 2012

Compounds (II) and [NEt4][Mn3(CN)8]·0.5H2O (III) are characterized by powder XRD and magnetic measurements.
ChemInform Abstract: Ru—BINAP‐Catalyzed Asymmetric Hydrogenation of Keto Esters in High Pressure Carbon Dioxide.
Authors: Turova Olga V. , Kuchurov Ilya V. , Starodubtseva Eugenia V. , Ferapontov Vladimir A. , Ikonnikov Nikolai S. , Zlotin Sergei G. , Vinogradov Maxim G.
Published: November 2012

An efficient, environmentally friendly method for the asymmetric hydrogenation of 4‐chloro‐3‐oxobutyrate (I) and acetylsuccinate (III) in CO2‐expanded ionic liquids is developed.
ChemInform Abstract: Superacid‐Catalyzed Friedel—Crafts Cyclization of Unactivated Alkenes.
Authors: Bonderoff Sara A. , West F. G. , Tremblay Martin
Published: November 2012

The reactions are catalyzed by trifluoromethane sulfonimides to afford 5‐ to 7‐membered cyclic systems.
ChemInform Abstract: Effect of Catalytic Alkali Metal Bromide on Hofmann‐Type Rearrangement of Imides.
Authors: Moriyama Katsuhiko , Ishida Kazuma , Togo Hideo
Published: November 2012

A Hofmann‐type rearrangement of cyclic imides (I), (V), (VII), (X) and (XIII) via the oxidation of an alkali metal bromide is reported.
ChemInform Abstract: Calcium Amidoborane, a New Reagent for Chemoselective Reduction of α,β‐Unsaturated Aldehydes and Ketones to Allylic Alcohols.
Authors: Xu Weiliang , Wang Ruimin , Wu Guotao , Chen Ping
Published: November 2012

Calcium amidoborane (CaAB) is shown to reduce α,β‐unsaturated aldehydes and ketones chemoselectivily to the corresponding allylic alcohols at room temperature.
ChemInform Abstract: The Phosphate—Carboxylate Mixed‐Anhydride Method: A Mild, Efficient Process for Ester and Amide Bond Construction.
Authors: McNulty James , Vemula Ramesh , Krishnamoorthy Venkatesan , Robertson Al
Published: November 2012

The value of the present method for preparation of ester‐ and amide‐based chiral auxiliaries is demonstrated.
ChemInform Abstract: Synthesis of α,α‐Difluoroethyl Aryl and Heteroaryl Ethers.
Authors: Yang Eddie , Reese Matthew R. , Humphrey John M.
Published: November 2012

Base‐mediated treatment of the bromide (II) with aromatic alcohols provides a new approach to the desired ethers.
ChemInform Abstract: A Facile Protocol for N‐Cbz Protection of Amines in PEG‐600.
Authors: Zhang Chun Lin , Zhang Dong Feng , Zhao Hong Yi , Lin Zi Yun , Huang Hai Hong
Published: November 2012

A broad spectrum of amino substrates reacts with benzyl chloroformate to yield N‐protected amines under mild conditions.
ChemInform Abstract: Sphingosine and Clavaminol H Derivatives Bearing Fluorinated Chains and Their Cytotoxic Activity.
Authors: Prchalova Eva , Votruba Ivan , Kotora Martin
Published: November 2012

Derivatives (III) and (VI) are easily deprotected and further functionalized by standard procedures.
ChemInform Abstract: Trifluoromethylation of Propargylic Halides and Trifluoroacetates Using (Ph3P)3Cu(CF3) Reagent.
Authors: Zhao Tony S. N. , Szabo Kalman J.
Published: November 2012

Treatment of branched propargylic halides and trifluoroacetates with the reagent (II) at room temperature is found to yield linear allenes.
ChemInform Abstract: Stereoselective Synthesis of Bulky 1,2‐Diols with Alcohol Dehydrogenases.
Authors: Rother Doerte , et al. et al.
Published: November 2012

Different alcohol dehydrogenases are used to catalyze reduction of bulky 2‐hydroxy ketones.
ChemInform Abstract: Synthesis of Aryl Ethers via a Sulfonyl Transfer Reaction.
Authors: Sach Neal W. , Richter Daniel T. , Cripps Stephan , Tran‐Dube Michelle , Zhu Huichun , Huang Buwen , Cui Jean , Sutton Scott C.
Published: November 2012

The base‐mediated treatment of aromatic mesylates with primary and secondary alcohols allows access to a wide range of aryl ethers.
ChemInform Abstract: Oxidation of Benzylic Methylenes to Ketones with Oxone—KBr in Aqueous Acetonitrile under Transition Metal Free Conditions.
Authors: Yin Lixia , Wu Jingjing , Xiao Juan , Cao Song
Published: November 2012

A novel practical method A) is developed.
ChemInform Abstract: An Improved Synthesis of Hydroxy Aryl Ketones by Fries Rearrangement with Methanesulfonic Acid/Methanesulfonic Anhydride.
Authors: Jeon Ingyu , Mangion Ian K.
Published: November 2012

Aryl esters are converted to the title compounds in the presence of MesOH.
ChemInform Abstract: Synthesis of 2,3‐syn‐Diarylpent‐4‐enamides via Acyl‐Claisen Rearrangements of Substituted Cinnamyl Morpholines: Application to the Synthesis of Magnosalicin.
Authors: Dickson Benjamin D. , Dittrich Nora , Barker David
Published: November 2012

The Lewis acid catalyzed title reaction of allylic morpholines with substituted acetyl chlorides gives the desired amides (III) in good to excellent yields.
ChemInform Abstract: A Simple and Efficient Synthesis of N‐Benzoyl Ureas.
Authors: Stokes Stephen , Martin Nathaniel G.
Published: November 2012

The process tolerates a broad spectrum of functional groups including acid‐sensitive ones [cf.(IIIb)].
ChemInform Abstract: An Efficient Suzuki—Miyaura Coupling of Aryl Sulfamates and Boronic Acids Catalyzed by NiCl2(dppp).
Authors: Chen Guo‐Jun , Han Fu‐She
Published: November 2012

A variety of aryl‐ and heteroaryl sulfamates is applied to the reaction.
ChemInform Abstract: Oxime—Palladacycle‐Catalyzed Suzuki—Miyaura Arylation and Alkenylation of Aryl Imidazolesulfonates under Aqueous and Phosphane‐Free Conditions.
Authors: Civicos Jose Francisco , Alonso Diego A. , Najera Carmen
Published: November 2012

Highest yields are obtained under conditions A) using aryl imidazole sulfonates, boronic acids and palladacycle (Ia).
ChemInform Abstract: Highly Diastereoselective Mannich‐Type Reaction of Titanium Enolate Derived from 2′‐Hydroxypropiophenone.
Authors: Deng Guisheng , Mo Honghua , Luo Jing , Zou Jingyuan
Published: November 2012

The hydroxy group at the ortho position on the phenyl ring of the aromatic ketone is the key to the high diastereoselectivity, cf.
ChemInform Abstract: Trifluoroacetic Anhydride‐Catalyzed Conjugate Addition of Boronic Acids to α,β‐Unsaturated Ketones.
Authors: Roscales Silvia , Rincon Angela , Buxaderas Eduardo , Csaky Aurelio G.
Published: November 2012

The conjugate addition of boronic acids (II) to α,β‐unsaturated ketones (I) catalyzed by acylating reagents is explored.
ChemInform Abstract: Enantioselective Synthesis of Levomilnacipran.
Authors: Alliot Julien , Gravel Edmond , Pillon Florence , Buisson David‐Alexandre , Nicolas Marc , Doris Eric
Published: November 2012

The key intermediate (VII) in the synthesis of title compound (VIII) is prepared via iodolactonization and intramolecular cyclopropanation as the key steps.
ChemInform Abstract: Allenyl Ester Precursors for 1H‐Inden‐1‐ol Carboxylates: Comparisons with Their Propargylic Equivalents Having Terminal Alkyne Functions.
Authors: Asikainen Martta , Woodward Simon
Published: November 2012

Allenyl carboxylates undergo efficient carbocyclization towards indene derivatives under Au(I)‐catalysis.
ChemInform Abstract: Dihalo‐Substituted Dibenzopentalenes: Their Practical Synthesis and Transformation to Dibenzopentalene Derivatives.
Authors: Xu Feng , Peng Lifen , Orita Akihiro , Otera Junzo
Published: November 2012

Dibenzopentalene derivatives show interesting physical and semiconducting properties.
ChemInform Abstract: Short Synthesis of Alkyl‐Substituted Acenes Using Carbonyl‐Directed C—H and C—O Functionalization.
Authors: Matsumura Daiki , Kitazawa Kentaroh , Terai Seiya , Kochi Takuya , Ie Yutaka , Nitani Masashi , Aso Yoshio , Kakiuchi Fumitoshi
Published: November 2012

A new and convenient method to prepare tetraalkylated anthracenes and pentacenes as well as dialkyldiaryl analogues is reported.
ChemInform Abstract: Diels—Alder Cycloaddition of Acetylene Gas to a Polycyclic Aromatic Hydrocarbon Bay Region.
Authors: Fort Eric H. , Jeffreys Matthew S. , Scott Lawrence T.
Published: November 2012

The title reaction is reported for the first time.
ChemInform Abstract: Copper(II)‐Mediated Dehydrogenative Cross‐Coupling of Heteroarenes.
Authors: Mao Zhifeng , Wang Zhe , Xu Zhaoqing , Huang Fei , Yu Zhengkun , Wang Rui
Published: November 2012

It provides an efficient and environmentally friendly method to prepare various unsymmetrical biheteroarenes.
ChemInform Abstract: Stereoselective Synthesis of cis‐ or trans‐2,4‐Disubstituted Butyrolactones from Wynberg Lactone.
Authors: Ganta Ashok , Shamshina Julia L. , Cafiero Lauren R. , Snowden Timothy S.
Published: November 2012

(R)‐Wynberg lactone (I) is used to prepare various asymmetric disubstituted butyrolactones in three or four steps.
ChemInform Abstract: Ligand Acceleration in ZnI2‐Catalyzed Intramolecular Hydroamination of Unfunctionalized Olefins.
Authors: Liu Gong‐Qing , Li Wei , Wang Yu‐Mei , Ding Zhen‐Ying , Li Yue‐Ming
Published: November 2012

The investigation of the process under optimized catalysis reveals that steric and electronic factors play an important role in the formation of pyrrole structures bearing gem‐substituents.
ChemInform Abstract: A Facile Method for the Synthesis of 3‐(Aminomethylene)oxindoles from Isatylidene Malononitriles and α‐Azido Ketones.
Authors: Kamalraja Jayabal , Babu Thelagathoti Hari , Muralidharan Doraiswamy , Perumal Paramasivan Thirumalai
Published: November 2012

The Michael addition of α‐azido ketones to isatylidene malononitriles is followed by elimination of malononitrile and conversion of the azide into an amino group.
ChemInform Abstract: Carbonylative Cyclization of o‐Halobenzoic Acids for Synthesis of N‐Substituted Phthalimides Using Polymer‐Supported Palladium—N‐Heterocyclic Carbene as an Efficient, Heterogeneous, and Reusable Catalyst.
Authors: Khedkar Mayur V. , Khan Shoeb R. , Dhake Kishor P. , Bhanage Bhalchandra M.
Published: November 2012

o‐Halobenzoic acids or the corresponding methyl ester are treated with primary amines under optimized conditions.
ChemInform Abstract: A Versatile Synthesis, PM3‐Semiempirical, Antibacterial, and Antitumor Evaluation of Some Bioactive Pyrazoles.
Authors: Hamama Wafaa S. , El‐Gohary Hamada G. , Soliman Mamdouh , Zoorob Hanfi H.
Published: November 2012

Fourteen novel compounds incorporating pyrazolone or pyrazole moieties are synthesized and characterized, including quantum mechanical molecular orbital calculations.
ChemInform Abstract: New Methods for the Preparation of Aryl 2‐Iminoimidazolidines.
Authors: O'Donovan Daniel H. , Rozas Isabel
Published: November 2012

Boc‐protected imidazoline‐2‐thiones (III) react with anilines to give the title compounds (V).
ChemInform Abstract: An Ugi‐Type Condensation of α‐Isocyanoacetamide and Chiral Cyclic Imine under a New Catalytic System.
Authors: Li Sheng , Chen Ruijiao , Liu Xiubing , Pan Li , Xia Liang , Chen Xiaochuan
Published: November 2012

The optimized conditions allow a highly diastereoselective synthesis of oxazole‐substituted heterocyclic systems.
ChemInform Abstract: Synthesis and Evaluation of 2(3H)‐Thiazole Thiones as Tyrosinase Inhibitors.
Authors: Emami Saeed , Hosseinimehr Seyed Jalal , Shahrbandi Kami , Enayati Ahmad Ali , Esmaeeli Zahra
Published: November 2012

Title compounds (IV), (V) and (VII) are synthesized and evaluated for tyrosinase inhibition and DPPH radical scavenging activities compared to BHT and kojic acid.
ChemInform Abstract: Three‐Component Domino Reaction in PPG: An Easy Access to 4‐Thiazolidinone Derivatives.
Authors: Prasad Davinder , Nath Mahendra
Published: November 2012

The one‐pot, three‐component condensation of aromatic amines (I), thioglycolic acid (II) and aromatic aldehydes (III) in general proceeds well in propylene glycol without any catalyst or additive, while the reaction using cyclohexanone (V) as carbonyl compound is found to be sluggish.
ChemInform Abstract: Copper Iodide Nanoparticles on Poly(4‐vinyl pyridine) as New and Green Catalyst for Multicomponent Click Synthesis of 1,4‐Disubstituted‐1,2,3‐triazoles in Water.
Authors: Albadi Jalal , Keshavarz Mosadegh , Abedini Masoumeh , Vafaie‐nezhad Masoumeh
Published: November 2012

The optimized process affords the triazole derivatives with high regioselectivity.
ChemInform Abstract: Heck—Matsuda Arylation as a Strategy to Access Kavalactones Isolated from Polygala sabulosa, Piper methysticum, and Analogues.
Authors: Soldi Cristian , Moro Angelica V. , Pizzolatti Moacir G. , Correia Carlos R. D.
Published: November 2012

The reaction is more efficient with vinyl‐2‐pyrones compared to vinyl dihydro‐2‐pyrones.
ChemInform Abstract: Synthesis of Arylated Xanthones by Site‐Selective Suzuki—Miyaura Reactions of the Bis(triflate) of 1,3‐Dihydroxyxanthone.
Authors: Akrawi Omer A. , Mohammed Hamid H. , Patonay Tamas , Villinger Alexander , Langer Peter
Published: November 2012

The reaction proceeds with excellent site‐selectivity.
ChemInform Abstract: An Efficient and Easy Synthesis of Tetrasubstituted 2,2′:6′,2′′‐Terpyridines.
Authors: Sasaki Isabelle , Abila Angelique , Duhayon Carine , Vendier Laure
Published: November 2012

Key feature of the presented synthesis is the nitration of terpyridine N,N′′‐dioxide (II) in fuming nitric acid and fuming sulfuric acid with concomitant reduction of the N‐oxides [cf.
ChemInform Abstract: Synthesis of 2‐Substituted 7,7‐Dimethyl‐5‐oxo‐5,6,7,8‐tetrahydroquinoline‐4‐carboxylic Acids.
Authors: Rudenko D. A. , Shurov S. N. , Kodess M. I. , Ezhikova M. A. , Vasyanin A. N.
Published: November 2012

The title compounds are synthesized from aminocyclohexenone (I) and pyruvic acids (II).
ChemInform Abstract: Niobium Pentachloride Catalyzed Multicomponent Povarov Reaction.
Authors: da Silva Bruno Henrique Sacoman T. , Martins Lucas Michelao , da Silva‐Filho Luiz Carlos
Published: November 2012

The process is best catalyzed by NbCl5 to provide tetrahydroquinoline derivatives under mild conditions A) or B).
ChemInform Abstract: Synthesis of Some 3‐(4‐Aryl‐benzofuro[3,2‐b]pyridin‐2‐yl)coumarins and Their Antimicrobial Screening.
Authors: Patel Anil K. , Patel Niraj H. , Patel Mehul A. , Brahmbhatt Dinker I.
Published: November 2012

The title compounds (III) are obtained from pyridinium salts (I) and 2‐arylidene aurones (II) under Kroehnke′s conditions.
ChemInform Abstract: Optimized Scale up of 3‐Pyrimidinylpyrazolo[1,5‐a]pyridine via Suzuki Coupling; a General Method of Accessing a Range of 3‐(Hetero)arylpyrazolo[1,5‐a]pyridines.
Authors: Bethel Paul A. , Campbell Andrew D. , Goldberg Frederick W. , Kemmitt Paul D. , Lamont Gillian M. , Suleman Abid
Published: November 2012

An improved preparation of compound (IV) followed by parallel high throughput Suzuki coupling is presented with a view to the medicinal importance of this class of compounds.
ChemInform Abstract: Studies on Pyrrolidinones. Synthesis of Fused 1,5‐Naphthyridines.
Authors: Akue‐Gedu Rufine , Couturier Daniel , Henichart Jean‐Pierre , Rigo Benoit , Sanz Gerard , Van Hijfte Luc , Bourry Anne
Published: November 2012

The preparation of the title compounds, starting materials for potentially DNA‐intercalating heterocyclic systems, is achieved starting from recently reported indolizinediones via Semmler—Wolff transposition of the corresponding oximes.
ChemInform Abstract: A Novel One‐Pot Isocyanide‐Based Four‐Component Reaction: Synthesis of Highly Functionalized 1H‐Pyrazolo[1,2‐b]phthalazine‐1,2‐dicarboxylates and 1H‐Pyrazolo[1,2‐a]pyridazine‐1,2‐dicarboxylates.
Authors: Keshipour Sajjad , Shojaei Salman , Shaabani Ahmad
Published: November 2012

Broader substrate scope, improved availability of the starting materials, ease of handling, simple work‐up, and improvement of general yields are advantages over previously reported methods.
ChemInform Abstract: Transition‐Metal‐Catalyzed Hydroamination and Carboamination Reactions of Anthranilic Allenamides as a Route to 2‐Vinyl‐ and 2‐(α‐Styryl)quinazolin‐4‐one Derivatives.
Authors: Broggini Gianluigi , Borsini Elena , Fasana Andrea , Poli Giovanni , Liron Frederic
Published: November 2012

Direct cyclization under conditions A) affords the 2‐vinyl derivatives.
ChemInform Abstract: Recyclable Graphite Oxide Promoted Efficient Synthesis of 2‐Phenyl Quinazoline Derivatives in the Presence of TBHP as an Oxidant.
Authors: Karnakar K. , Kumar A. Vijay , Murthy S. Narayana , Ramesh K. , Nageswar Y. V. D.
Published: November 2012

A novel efficient protocol allows the synthesis of various biologically interesting derivatives from 2‐amino‐substituted aceto‐ or benzophenones and benzylamines.
ChemInform Abstract: Exploration of Polystyrene‐Supported 2‐Isobutoxy‐1‐isobutoxycarbonyl‐1,2‐dihydroquinoline (PS‐IIDQ) as New Coupling Agent for the Synthesis of 8‐Substituted Xanthine Derivatives.
Authors: Bandyopadhyay Prabal , Sathe Manisha , Sharma Pratibha , Kaushik M. P.
Published: November 2012

The polystyrene‐supported 2‐isobutoxy‐1‐isobutoxycarbonyl‐1,2‐dihydroquinoline (PS‐IIDQ) is found to be more efficient than IIDQ and polymer‐supported carbodiimide.
ChemInform Abstract: N‐Heterocyclic Carbene Catalyzed One‐Pot Synthesis of 2,3‐Diarylquinoxalines.
Authors: Lin Yang , Lei Xiaoli , Yang Qin , Yuan Jiangjun , Ding Qiuping , Xu Jingshi , Peng Yiyuan
Published: November 2012

An efficient NHC‐catalyzed multistep process is developed to couple 2 molecules of aromatic aldehyde with o‐phenylenediamines.
ChemInform Abstract: The Synthesis of 3‐Pyrazinyl‐pyrazolo[1,5‐a]pyridines from an Enol Ether.
Authors: Tran‐Dube Michelle , Sach Neal , Ninkovic Sacha , Braganza John F. , Huang Qinhua , Johnson Benjamin , Collins Michael Raymond
Published: November 2012

Optimized reaction conditions are developed for the [3 + 2] cycloaddition and best results are obtained if the 4‐substituent of the pyridinium salt is either ‐H or ‐Me.
ChemInform Abstract: Alkylation of 3,5‐Dichloro‐2(1H)‐pyrazinones Using Malonate Esters.
Authors: Mishra Nigam M. , Peshkov Vsevolod A. , Pereshivko Olga P. , Modha Sachin G. , Van der Eycken Erik V.
Published: November 2012

A base‐promoted 3‐alkylation of title compounds (I) with malonate esters (II) affording the corresponding 3‐alkylated derivatives (III) is described.
ChemInform Abstract: An Efficient Synthesis of 2‐(Trifluoromethyl)‐2H‐[1,3]oxazino[2,3‐a]isoquinolines via a Three‐Component Cascade Approach Using a Continuous‐Flow Microreactor.
Authors: Lei Ming , Tian Wan , Hu Ruijun , Li Wei , Zhang Hong
Published: November 2012

The process is also applicable to aromatic aldehydes.
ChemInform Abstract: Convenient Strategy for the Synthesis of Highly Functionalizable Hydroxylated Unsaturated Azepanes.
Authors: Goumain Sophie , Taghzouti Hanaa , Portella Charles , Behr Jean‐Bernard , Plantier‐Royon Richard
Published: November 2012

Key steps in the synthesis of azepanes (VIII) and (X), which are of interest as glycosidase inhibitors, are the conjugate addition of allylamine to the precursor (III) and final ring‐closing metathesis with the pure diastereomers (VII) and (IX).
ChemInform Abstract: Synthesis and Diverse Fused Pyrazoles Through Palladium‐Mediated Heteroarylation of Heteroarene C—H Bonds.
Authors: Nayak Maloy , Batra Sanjay
Published: November 2012

Several unknown fused pyrazole systems are produced in good yields.
ChemInform Abstract: Gold‐Catalyzed Hydrosilyloxylation Driving Tandem Aldol and Mannich Reactions.
Authors: Kang Dongjin , Park Sangjune , Ryu Taekyu , Lee Phil Ho
Published: November 2012

The catalyst system allows a mild access to enol silyl ethers.
ChemInform Abstract: Novel Method for the Synthesis of α‐Amino‐α′‐hydroxyalkylphosphinic Acids and Bis(α‐aminoalkyl)phosphinic Acids: Nucleophilic Addition of α‐Hydroxy‐H‐phosphinic Acids to Diimines.
Authors: Kaboudin Babak , Haghighat Hamideh , Alaie Saied , Yokomatsu Tsutomu
Published: November 2012

The required peptide synthons are obtained as mixtures of diastereomers, which can be easily separated due to their different solubility in organic solvents.
ChemInform Abstract: Sarcophytonins F and G, New Dihydrofuranocembranoids from a Dongsha Atoll Soft Coral Sarcophyton sp.
Authors: Chen Shin‐Pin , Chen Bo‐Wei , Dai Chang‐Feng , Sung Ping‐Jyun , Wu Yang‐Chang , Sheu Jyh‐Horng
Published: November 2012

The absolute configuration of compounds (I) and (II) is deduced from the configuration of known compounds isolated together with (I) and (II) from the same organism and with the same carbon skeleton.
ChemInform Abstract: Highly Selective Primary Alkoxycarbonylation and Esterification of Unprotected Pyranose Derivatives Mediated by Scandium(III) Triflate Catalysis.
Authors: McClure Michael S. , et al. et al.
Published: November 2012

The reaction of unprotected pyranose derivatives with anhydrides and pyrocarbonates affords the products selectively and can be easily scaled‐up.
ChemInform Abstract: InBr3‐Catalyzed Cyclization of Glycosides with Arylamines.
Authors: Wang Pingyuan , Wang Meining , Zhang Xuefeng , Yang Guangfu , Zhang Ao
Published: November 2012

Unsaturated glycosides containing various C‐1 alkoxy groups smoothly undergo glycosidation reactions with arylamines such as (II) using either InI3 or InBr3 as the catalyst.
ChemInform Abstract: Design, Synthesis and Antibacterial Activities of a Series of New 2‐Oxaisocephems.
Authors: Wu Jianbo , Wu Xueying , Lei Fan , Yuan Huajie , Hai Li , Wu Yong
Published: November 2012

Introduction of side chains of new‐generation cephalosporins into the 7‐position of the 2‐oxaisocephem nucleus and alteration of the 3‐substituents in the side chain gives rise to new oxaisocephems with good activity and broad antibacterial spectrum.
ChemInform Abstract: Morusalbanol A, a Neuro‐Protective Diels—Alder Adduct with an Unprecedented Architecture from Morus alba.
Authors: Chen Hua‐Dong , Ding Yuan‐Qing , Yang Sheng‐Ping , Li Xing‐Cong , Wang Xu‐Jie , Zhang Hai‐Yan , Ferreira Daneel , Yue Jian‐Min
Published: November 2012

The title compound (I) is the major component of the bark of Morus alba, a common traditional Chinese medicine.
ChemInform Abstract: A Small Molecule Two‐Photon Probe for Hydrogen Sulfide in Live Tissues.
Authors: Das Sajal Kumar , Lim Chang Su , Yang Sun Young , Han Ji Hee , Cho Bong Rae
Published: November 2012

The title compound (I) shows a 21‐fold two‐photon excited fluorescence enhancement in response to H2S.
ChemInform Abstract: Synthesis and Characterization of Ternary SnxGe1‐xSe Nanocrystals.
Authors: Buckley Jannise J. , Rabuffetti Federico A. , Hinton Hannah L. , Brutchey Richard L.
Published: November 2012

The nanocrystals of title are synthesized by quick injection of tBu2Se2 and hexamethyldisilazane at 95 °C into a dodecylamine solution containing varying ratios of SnI4 and GeI4 (225 °C, 4.75 h).
ChemInform Abstract: Noncentrosymmetric Salt Inclusion Oxides: Role of Salt Lattices and Counter Ions in Bulk Polarity
Authors: West J. Palmer , Hwu Shiou‐Jyh
Published: November 2012

Review: 60 refs.
ChemInform Abstract: Cosmic Dust in the Earth′s Atmosphere
Authors: Plane John M. C.
Published: November 2012

Review: 100 refs.
ChemInform Abstract: Ice Nucleation by Particles Immersed in Supercooled Cloud Droplets
Authors: Murray B. J. , O'Sullivan D. , Atkinson J. D. , Webb M. E.
Published: November 2012

Review: 341 refs.
ChemInform Abstract: Quantifying Trace Gas Uptake to Tropospheric Aerosol: Recent Advances and Remaining Challenges
Authors: Abbatt J. P. D. , Lee A. K. Y. , Thornton J. A.
Published: November 2012

Review: 270 refs.
ChemInform Abstract: Stabilized Gold Clusters: From Isolation Toward Controlled Synthesis
Authors: Maity Prasenjit , Xie Songhai , Yamauchi Miho , Tsukuda Tatsuya
Published: November 2012

Review: 150 refs.