bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: New Method for C—H Arylation/Alkylation at α‐Position of Cyclic Aliphatic Ethers by Iron‐Oxide Mediated Reaction.
Authors: Singh Parvinder Pal , Gudup Satish , Aruri Hariprasad , Singh Umed , Ambala Srinivas , Yadav Mahipal , Sawant Sanghapal D. , Vishwakarma Ram A. 
Published: June 2012

AbstractThe title method is performed with THF, tetrahydropyran, and 2‐methyltetrahydrofuran, and freshly prepared aryl/alkylmagnesium halides or organolithium compounds.
ChemInform Abstract: Palladium‐Catalyzed Cross‐Coupling Reactions of Organogold(I) Phosphanes with Allylic Electrophiles.
Authors: Pena‐Lopez Miguel , Ayan‐Varela Miguel , Sarandeses Luis A. , Perez Sestelo Jose 
Published: June 2012

AbstractThe title reaction of aryl‐ or alkenylgold phosphane complexes (II) with allylic chlorides, bromides or acetates proceeds with high regioselectivity (γ‐products are not detected).
ChemInform Abstract: Copper‐Free Asymmetric Allylic Alkylation Using Grignard Reagents on Bifunctional Allylic Bromides.
Authors: Grassi David , Alexakis Alexandre 
Published: June 2012

AbstractVarious aromatic and aliphatic substrates containing a vinylic bromide unity are alkylated with Grignards reagents to afford the products with good enantio‐ and regioselectivities.
ChemInform Abstract: N‐Heterocyclic Carbene‐Mediated Hydroacylation—Sonogashira/Heck/Suzuki Coupling in a Single Pot: A New Cascade Reaction.
Authors: Sreenivasulu M. , Kumar K. Siva , Kumar P. Rajender , Chandrasekhar K. B. , Pal Manojit 
Published: June 2012

AbstractThe hydroacylation of α‐keto esters (I) with o‐, m‐, or p‐iodobenzaldehydes (II) and the subsequent palladium‐catalyzed cross‐coupling reactions with terminal alkynes, alkenes, or boronic acids is successfully performed in the same pot using an optimized N‐heterocyclic carbene ligand.
ChemInform Abstract: N‐Heterocyclic Carbene Catalyzed Internal Redox Reaction of Alkynals: An Efficient Synthesis of Allenoates.
Authors: Zhao Yu‐Ming , Tam Yik , Wang Yu‐Jie , Li Zigang , Sun Jianwei 
Published: June 2012

AbstractThe desired allene products are obtained in good to excellent yields in the presence of MeOH including an asymmetric version for (IIIa).
ChemInform Abstract: Pd‐Catalyzed Direct Arylation of Polyfluoroarenes on Water under Mild Conditions Using PPh3 Ligand.
Authors: Chen Fei , Min Qiao‐Qiao , Zhang Xingang 
Published: June 2012

AbstractThe methodology allows an efficient access to a broad spectrum of highly fluorinated polyaryls which are of interest in material and life science.
ChemInform Abstract: Rhodium‐Catalyzed Carbonylation of 3‐Acyloxy‐1,4‐enynes for the Synthesis of Cyclopentenones.
Authors: Li Xiaoxun , Huang Suyu , Schienebeck Casi M. , Shu Dongxu , Tang Weiping 
Published: June 2012

AbstractA wide range of cyclopentenes is prepared involving a Saucy—Marbet 1,3‐acyloxy migration of propargyl esters and [4 + 1]‐cycloaddition/carbonylation of the resulting vinylallene.
ChemInform Abstract: Arylsulfonylacetylenes as Alkynylating Reagents of Csp2—H Bonds Activated with Lithium Bases.
Authors: Garcia Ruano Jose Luis , Aleman Jose , Marzo Leyre , Alvarado Cuauhtemoc , Tortosa Mariola , Diaz‐Tendero Sergio , Fraile Alberto 
Published: June 2012

AbstractA novel strategy for the alkynylation of arenes, hetarenes, and a vinyl iodide uses activation of C—H bonds by lithiation followed by an anti‐Michael addition of 2‐aryl‐ and 2‐Tips‐substituted sulfonylacetylenes.
ChemInform Abstract: Ionic Liquids as New Media for Electrophilic Trifluoromethylation Reactions.
Authors: Pegot Bruce , Mace Yohan , Urban Celine , Diter Patrick , Blazejewski Jean‐Claude , Magnier Emmanuel 
Published: June 2012

AbstractThe electrophilic trifluoromethylation of aniline with sulfonium salts like (II) proceeds efficiently in [bdmim]BF4 as solvent.
ChemInform Abstract: 2‐(Diphenylphosphino)benzoyl‐Substituted Calix[4]arene: Efficient Organocatalyst in Aza‐Morita—Baylis—Hillman Reaction of N‐Sulfonated Imines with Methyl Vinyl Ketone.
Authors: Shen Yanyan , Tang Qian , Zhang Chenchen , Zhong Weihui 
Published: June 2012

AbstractThe calixarene shows high stability towards oxidation and can be reused 5 times without significant loss of catalytic activity.
ChemInform Abstract: Friedel—Crafts‐Type Allylation of Nitrogen‐Containing Aromatic Compounds with Allylic Alcohols Catalyzed by a [Mo3S4Pd(η3‐allyl)] Cluster.
Authors: Tao Yinsong , Wang Baomin , Zhao Jinfeng , Song Yuming , Qu Lihong , Qu Jingping 
Published: June 2012

AbstractThe Mo cluster efficiently promotes the reaction of dialkylanilines and indoles with allylic alcohols.
ChemInform Abstract: Asymmetric Allylboration of Aldehydes with Pinacol Allylboronates Catalyzed by 1,1′‐Spirobiindane‐7,7′‐diol (SPINOL) Based Phosphoric Acids.
Authors: Xing Chun‐Hui , Liao Yuan‐Xi , Zhang Yimei , Sabarova Darya , Bassous Monica , Hu Qiao‐Sheng 
Published: June 2012

AbstractThe reaction results in formation of optically active homoallylic alcohols.
ChemInform Abstract: One‐Pot β‐Alkylation of Secondary Alcohols with Primary Alcohols Catalyzed by Ruthenacycles.
Authors: Chang Xu , Chuan Low Wei , Yongxin Li , Pullarkat Sumod A. 
Published: June 2012

AbstractA catalyst screening reveals that ruthenacycle RUC exhibits excellent activity and product selectivity to give β‐alkylated alcohols and ketones.
ChemInform Abstract: Base‐Catalyzed Direct Transformation of Benzylamines into Benzyl Alcohols.
Authors: Kanbara Yutaka , Abe Takafumi , Fushimi Norio , Ikeno Taketo 
Published: June 2012

AbstractTreatment of benzylamines with NaOH in superheated aqueous methanol results in direct formation of benzyl alcohols in high yields.
ChemInform Abstract: HF—Pyridine: A Versatile Promoter for Monoacylation/Sulfonylation of Phenolic Diols and for Direct Conversion of t‐Butyldimethylsilyl Ethers to the Corresponding Acetates.
Authors: Michigami Kyosuke , Yoshimoto Kazuya , Hayashi Masahiko 
Published: June 2012

AbstractThe use of HF—pyridine as a promoter in the acylation of phenolic diols predominantly yields the monoprotected diols, in contrast to the use of pyridine alone which promotes diprotection.
ChemInform Abstract: Ligand‐Free, Highly Efficient Synthesis of Diaryl Ether over Copper Fluorapatite as Heterogeneous Reusable Catalyst.
Authors: Mulla Shafeek A. R. , Inamdar Suleman M. , Pathan Mohsinkhan Y. , Chavan Santosh S. 
Published: June 2012

AbstractThe method is highly effective for the coupling of aryl bromides or iodides and potassium salts of phenols (yield < 80%).
ChemInform Abstract: syn‐Selective Vinylogous Kobayashi Aldol Reaction.
Authors: Symkenberg Gerrit , Kalesse Markus 
Published: June 2012

AbstractThe reaction of (1E,3Z) ketene N,O‐acetal (I) with various aldehydes proceeds with complete syn‐selectivity to afford products with aliphatic, aromatic and unsaturated substituents.
ChemInform Abstract: Enantioselective Iridium‐Catalyzed Hydrogenation of β,γ‐Unsaturated Carboxylic Acids: An Efficient Approach to Chiral 4‐Alkyl‐4‐aryl Butanoic Acids.
Authors: Song Song , Zhu Shou‐Fei , Yang Shuang , Li Shen , Zhou Qi‐Lin 
Published: June 2012

AbstractAmong various spiro iridium complexes tested, (I) is found to be the optimal catalyst.
ChemInform Abstract: Sequential Allylic C—H Amination/Vinylic C—H Arylation: A Strategy for Unnatural Amino Acid Synthesis from α‐Olefins.
Authors: Jiang Chao , Covell Dustin J. , Stepan Antonia F. , Plummer Mark S. , White M. Christina 
Published: June 2012

AbstractThe products are formed as (E)‐configurated single regioisomers.
ChemInform Abstract: Synthesis of γ,δ‐Unsaturated Quaternary α‐Alkylamino Acids Using Umpolung Reaction and Claisen Rearrangement.
Authors: Mizota Isao , Tanaka Katsuki , Shimizu Makoto 
Published: June 2012

AbstractClaisen rearrangement of substrates of type (I) and (V) with a reagent mixture Et2AlCl/EtAlCl2 offers an interesting synthesis of the target compounds which are isolated as methyl esters after hydrolytic work‐up.
ChemInform Abstract: Asymmetric Addition of Arylboronic Acids to Glyoxylate Catalyzed by a Ruthenium/Me‐BIPAM Complex.
Authors: Yamamoto Yasunori , Shirai Tomohiko , Miyaura Norio 
Published: June 2012

AbstractThe enantioselective synthesis of α‐hydroxy esters (III) by Ru‐catalyzed 1,2‐addition of arylboronic acids (II) to tert‐butyl glyoxylates (I) is described.
ChemInform Abstract: Enantioselective Trapping of an α‐Chiral Carbanion of Acyclic Nitrile by a Carbon Electrophile.
Authors: Sasaki Michiko , Takegawa Tomo , Ikemoto Hidaka , Kawahata Masatoshi , Yamaguchi Kentaro , Takeda Kei 
Published: June 2012

Abstractα‐Chiral nitrile carbanions generated by deprotonation of enantioenriched O‐carbamoyl cyanohydrins (I) are trapped in situ with ethyl cyanoformate (II) to give corresponding ester derivatives (III) in high yields and good enantioselectivity.
ChemInform Abstract: Efficient Palladium‐Catalyzed Selective Synthesis of Benzenesulfonic Acids.
Authors: Jagadeesh Rajenahally V. , Sandhya Y. Sree , Karthikeyan P. , Reddy S. Sudhakar , Reddy P. Pradeep Kumar , Kumar M. Viniod , Charan K. T. Prabhu , Narender R. , Bhagat P. R. 
Published: June 2012

AbstractThe 2‐aminobenzenesulfonic acids (II) are efficiently obtained from benzothiazoles (I) using chloramine‐B in the presence of a Pd‐catalyst under alkaline conditions.
ChemInform Abstract: In situ Electrogeneration of o‐Benzoquinone and High Yield Reaction with Benzenethiols in a Microflow System.
Authors: Kashiwagi Tsuneo , Amemiya Fumihiro , Fuchigami Toshio , Atobe Mahito 
Published: June 2012

AbstractKey features of the method described are an effective electrochemical o‐benzoquinone generation and its rapid use for the following thiol addition without decomposition in a microflow system.
ChemInform Abstract: Solvent‐Free Conversion of Thioamides to Thioesters.
Authors: Boeini Hassan Zali , Zali Abbas 
Published: June 2012

AbstractThe environmentally benign reaction, leading to thioesters (III) and (V), profits from the use of cheap and safe materials and avoids the use of very unpleasant and noxious thiols as well as corrosive acid chlorides.
ChemInform Abstract: Metal‐Free, One‐Pot Highly Selective Synthesis of (E)‐Vinyl Sulfones and Sulfoxides via Addition—Oxidation of Thiols with Alkynes.
Authors: Xue Qicai , Mao Zhijie , Shi Yan , Mao Haibin , Cheng Yixiang , Zhu Chengjian 
Published: June 2012

AbstractThe course of the reaction depends on the temperature.
ChemInform Abstract: An Alternative Approach to para‐C—H Arylation of Phenol: Palladium‐Catalyzed Tandem γ‐Arylation/Aromatization of 2‐Cyclohexen‐1‐one Derivatives.
Authors: Imahori Tatsushi , Tokuda Toru , Taguchi Tatsuya , Takahata Hiroki 
Published: June 2012

AbstractThe sequence can be applied to various cyclohexenones and aryl bromides.
ChemInform Abstract: Mild Copper‐Catalyzed Trifluoromethylation of Terminal Alkynes Using an Electrophilic Trifluoromethylating Reagent.
Authors: Weng Zhiqiang , Li Huaifeng , He Weiming , Yao Liang‐Feng , Tan Jianwei , Chen Jinfa , Yuan Yaofeng , Huang Kuo‐Wei 
Published: June 2012

AbstractThe title reaction tolerates a variety of functional groups.
ChemInform Abstract: Nano‐Sulfated Zirconia as an Efficient, Recyclable and Environmentally Benign Catalyst for One‐Pot Three‐Component Synthesis of Amidoalkyl Naphthols.
Authors: Zali Abbas , Shokrolahi Arash 
Published: June 2012

AbstractThe target compounds, important intermediates in the preparation of bioactive components, are readily available under solvent‐free conditions within a short time.
ChemInform Abstract: Double 1,4‐Rhodium Migration Cascade in Rhodium‐Catalyzed Arylative Ring‐Opening/Spirocyclization of (3‐Arylcyclobutylidene)acetates.
Authors: Matsuda Takanori , Suda Yuya , Takahashi Akira 
Published: June 2012

AbstractA catalytic spirocyclization is described forming 1,1′‐spirobiindan‐3‐ones (III), (V), (VII), and (IX) via a 1,4‐rhodium migration cascade.
ChemInform Abstract: Scope of the Heck Reaction in the Synthesis of a New Family of Anthracene Diacrylamide G‐Quadruplex Ligands.
Authors: Le Gresley Adam , Abdullah Ammara , Desai Pratchi , Ghosh Uttam , Gollapalli Uma , Kiran Munazza , Lafon Shehri 
Published: June 2012

AbstractHeck reactions are used for the synthesis of a variety of anthracene‐9‐monoacrylamide and bisacrylamide derivatives.
ChemInform Abstract: Synthesis of [60]Fullerene‐Fused Thiolactams and Thiaimidates.
Authors: Li Jia‐Xing , Wang Guan‐Wu 
Published: June 2012

AbstractC60‐Fullerene reacts with diester (II) and CS2 to yield the thiolactam (IV) which is easily hydrolyzed to the corresponding lactam.
ChemInform Abstract: Highly Enantioselective Synthesis of Spiro[cyclohexanone‐oxindoles] and Spiro[cyclohexanone‐pyrazolones] by Asymmetric Cascade [5 + 1] Double Michael Reactions.
Authors: Wu Bin , Chen Jian , Li Mei‐Qiu , Zhang Jin‐Xin , Xu Xiao‐Ping , Ji Shun‐Jun , Wang Xing‐Wang 
Published: June 2012

AbstractDouble Michael addition reaction of divinyl ketones (II) and (IV) with N‐unprotected oxindoles (I) and N‐phenyl pyrazolones (VI) is efficiently catalyzed by an N‐Boc‐D‐phenylglycine—epiquinine‐derived amine organocatalyst system.
ChemInform Abstract: Synthesis of Novel N‐Aryl‐2,5‐dihydro‐2‐iminofuran‐3‐carboxamides and Their Chemical Transformations.
Authors: Karapetyan Lusine 
Published: June 2012

AbstractCondensation of tertiary α‐hydroxyketones (I) with (N‐aryl)cyanoacetamides (II) containing active methylene groups proceeds under mild and basic conditions to afford title compounds (III).
ChemInform Abstract: Synthesis and Antiinflammatory Activity of Some Benzofuran and Benzopyran‐4‐one Derivatives.
Authors: Ragab Fatma Abd El‐Fattah , Eid Nahed Mahmoud , Hassan Ghaneya Sayed , Nissan Yassin Mohammed 
Published: June 2012

AbstractVarious furosalicylic acid (I), furosalicylanilide (III), furobenzoxazine (VI), benzofuran (X), and chromen‐4‐one derivatives (XIII) and (XV) are synthesized.
ChemInform Abstract: A Facile Two‐Step Synthesis of Thiophene End‐Capped Aromatic Systems.
Authors: Rungtaweevoranit Bunyarat , Butsuri Akkarapol , Wongma Krittaphat , Sadorn Karoon , Neranon Kitjanit , Nerungsi Chakkrapan , Thongpanchang Tienthong 
Published: June 2012

AbstractThe synthesis of the title compounds involves acid‐mediated nucleophilic aromatic substitution of hydroxyarenes with 2‐mercaptoethanol followed by cyclization and oxidation of the resulting arene‐fused dihydrothiophenes.
ChemInform Abstract: Synthesis of 2,3,4‐Trisubstituted Pyrroles via a Facile Reaction of Vinyl Azides and Tosylmethyl Isocyanide.
Authors: Chen Wenteng , Shao Jiaan , Li Zhi , Giulianotti Marc A. , Yu Yongping 
Published: June 2012

AbstractAn efficient, mild, and facile method for the synthesis of the title compounds is presented from vinyl azides, e.g. (I), or carboxaldehydes such as (X).
ChemInform Abstract: Sulfonated Organic Heteropolyacid Salts: Recyclable Green Solid Catalysts for the Highly Efficient and Green Synthesis of Bis(indolyl)methanes in Water.
Authors: Vahdat Seyed M. , Khaksar Samad , Baghery Saeed 
Published: June 2012

AbstractThe two new heteropolyacid salts (I) effectively catalyze the synthesis of bis(indolyl)methanes in short reaction times (3—30 min) in aqueous solution.
ChemInform Abstract: First Synthesis of 1‐(Indol‐2‐yl)azulenes by the Vilsmeier—Haack‐type Arylation with Triflic Anhydride as an Activating Reagent.
Authors: Shoji Taku , Inoue Yuta , Ito Shunji 
Published: June 2012

AbstractOptimized conditions are elaborated for the synthesis of the title compounds which are generally available in moderate to good yield.
ChemInform Abstract: Friedel—Crafts Alkylation of Indoles by tert‐Enamides in Acetic Acid.
Authors: Zhang Ying , Jiang Jing , Chu Xue‐Qiang , Jiang Ran , Xu Xiao‐Ping , Li Dan‐Hua , Ji Shun‐Jun 
Published: June 2012

AbstractTreatment of various indoles with enamide (II) or (IX) provides pharmaceutically interesting derivatives.
ChemInform Abstract: Rh(I)‐Catalyzed Asymmetric Synthesis of 3‐Substituted Isoindolinones Through CO Gas‐Free Aminocarbonylation.
Authors: Fujioka Masahiko , Morimoto Tsumoru , Tsumagari Takayuki , Tanimoto Hiroki , Nishiyama Yasuhiro , Kakiuchi Kiyomi 
Published: June 2012

AbstractThe new, efficient, and stereoselective method to prepare biologically important 3‐arylated isoindolinones can also be applied to synthesize enantioenriched 3‐arylphthalides.
ChemInform Abstract: A Multimetallic Piano—Stool Ir—Sn3 Catalyst for Nucleophilic Substitution Reaction of γ‐Hydroxy Lactams Through N‐Acyliminium Ions.
Authors: Maity Arnab Kumar , Roy Sujit 
Published: June 2012

AbstractISC efficiently promotes the coupling of phthalimidals with diverse nucleophiles to produce isoindolinones of type (III)/(VI)/(XI).
ChemInform Abstract: Palladium‐Catalyzed Amidation by Chemoselective C(sp3)—H Activation: Concise Route to Oxindoles Using a Carbamoyl Chloride Precursor.
Authors: Tsukano Chihiro , Okuno Masataka , Takemoto Yoshiji 
Published: June 2012

AbstractThe carbamoyl precursors are prepared according to the examples (III).
ChemInform Abstract: Generation of Indeno[1,2‐c]pyrroles via a Pd‐Catalyzed Reaction of 2‐Alkynylbromobenzene with Propargylic Sulfonamide.
Authors: Luo Yong , Wu Jie 
Published: June 2012

AbstractThe tandem reaction involves a double insertion of triple bonds and is not sensitive to the nature of substituents on both reagents.
ChemInform Abstract: Metathesis of Azomethine Imines in the Reaction of 6‐Aryl‐1,5‐diazabicyclo[3.1.0]hexanes with Carbonyl Compounds.
Authors: Petukhova Vera Yu. , Pleshchev Mikhail I. , Fershtat Leonid L. , Kuznetsov Vladimir V. , Kachala Vadim V. , Makhova Nina N. 
Published: June 2012

AbstractThe interaction of carbonyl compounds (II) or (VII) with azomethine imines generated by diaziridine ring opening in (I) in the presence of catalytic amounts of BF3·OEt2 induces a metathesis to other azomethine imines with the elimination of aldehydes.
ChemInform Abstract: Reactions of Quinoxaline with 3‐Methyl‐1‐phenylpyrazol‐5‐one.
Authors: Azev Yurii A. , Oparina Elena D. , Kovalev Igor S. , Slepukhin Pavel A. , Novikova Rashida K. 
Published: June 2012

AbstractQuinoxaline (I) acts as a glyoxale equivalent in the reaction with the pyrazolone derivative (II) to give mixtures of (III), (IV) and (V).
ChemInform Abstract: Organocatalytic Enantioselective Pyrazol‐3‐one Addition to Maleimides: Reactivity and Stereochemical Course.
Authors: Mazzanti Andrea , Calbet Teresa , Font‐Bardia Merce , Moyano Albert , Rios Ramon 
Published: June 2012

AbstractThe title reaction is catalyzed by a chiral bifunctional thiourea catalyst and affords the addition products in a diastereo‐ and enantioselective manner with up to <82% d.e.
ChemInform Abstract: N‐Heterocyclic Carbene Catalyzed Domino Cyclization of Propargylic Alcohols and Benzoyl Isocyanates.
Authors: Jo Kyoung A. , Maheswara Muchchintala , Yoon Eunyoung , Lee Yun Yeong , Yun Hoseop , Kang Eun Joo 
Published: June 2012

AbstractThe carbene generated from 1,3‐diisopropylimidazolium chloride efficiently promotes the reaction of a wide range of propargylic alcohols with Bz‐NCO to produce oxazolidinones of type (III)/(V).
ChemInform Abstract: Study of the Regio‐ and Stereoselectivity of [3 + 2] Cycloaddition of Nitrile Oxides to Various Racemic 3‐Acyloxy and 3‐Hydroxybut‐1‐enes.
Authors: Abda Heithem , Aouadi Kaiss , Gueyrard David , Praly Jean‐Pierre , Msaddek Moncef 
Published: June 2012

AbstractThe [3 + 2] cycloaddition of in situ generated nitrile oxides to various racemic 3‐acyloxy and 3‐hydroxybut‐1‐enes proceeds with complete regioselectivity but only moderate diastereoselectivity.
ChemInform Abstract: Oxidative Prins and Prins/Friedel—Crafts Cyclizations for the Stereoselective Synthesis of Dioxabicycles and Hexahydro‐1H‐benzo[f]isochromenes via the Benzylic C—H Activation.
Authors: Reddy B. V. Subba , Borkar Prashant , Yadav J. S. , Reddy P. Purushotham , Kunwar A. C. , Sridhar B. , Gree Rene 
Published: June 2012

AbstractA versatile approach for the stereoselective synthesis of a novel class of dioxa‐bicycles and oxa‐tricycles in a single step is demonstrated.
ChemInform Abstract: Stereoselective Synthesis of 2,6‐cis‐Substituted Tetrahydropyrans: Broensted Acid‐Catalyzed Intramolecular Oxa‐Conjugate Cyclization of α,β‐Unsaturated Ester Surrogates.
Authors: Fuwa Haruhiko , Ichinokawa Naoki , Noto Kenkichi , Sasaki Makoto 
Published: June 2012

AbstractTreatment of α,β‐unsaturated thioesters, oxazolidinone imides, and pyrrole amides with CSA allows a mild, effective, and stereoselective access to biologically important 2,6‐cis‐substituted tetrahydropyrans.
ChemInform Abstract: Relay Catalysis Using a Rhodium Complex/Chiral Broensted Acid Binary System: Enantioselective Reduction of a Carbonyl Ylide as the Reactive Intermediate.
Authors: Terada Masahiro , Toda Yasunori 
Published: June 2012

AbstractA one‐pot method for the unprecedented reaction is demonstrated with the synthesis of the compounds (III) and (V).
ChemInform Abstract: A One‐Pot, Three‐Component Synthesis of New Pyrano[2,3‐h]coumarin Derivatives.
Authors: Karami Bahador , Khodabakhshi Saeed , Eskandari Khalil 
Published: June 2012

Abstract5,7‐Dihydroxycoumarins undergo a simple base‐promoted coupling with aromatic aldehydes and malononitrile to afford the biologically important skeleton in good yields.
ChemInform Abstract: Efficient Synthesis of Multicyclic Spirooxindoles via a Cascade Michael/Michael/Oxa‐Michael Reaction of Curcumins and Isatylidene Malononitriles.
Authors: Yin Xiao‐Gang , Liu Xin‐Yun , Hu Zhi‐Peng , Yan Ming 
Published: June 2012

AbstractThe title reaction affords a series of spiro[chromene‐5,3′‐indoline] derivatives with up to 90% diastereoselectivity by use of DMAP as catalyst.
ChemInform Abstract: A Diels—Alder Approach to Anthrapyran Antibiotics
Authors: Foulgoc Laura , Sissouma Drissa , Evain Michel , Collet Sylvain , Guingant Andre 
Published: June 2012

AbstractPyran synthons (II) and (IV) are used in the cycloadditions of naphthoquinones (I) which afford the pluramycin framework in a completely diastereoselective manner.
ChemInform Abstract: Organocatalytic Synthesis of Enantioenriched β‐Arylsplitomicins.
Authors: Wang Ji‐Yu , Zhang Hui , Liao Yu‐Hua , Yuan Wei‐Cheng , Feng Yu‐Jun , Zhang Xiao‐Mei 
Published: June 2012

AbstractThe domino‐Michael‐type Friedel—Crafts alkylation/cyclization of β‐naphthol (and its 6‐bromo derivative) with arylidene Meldrum′s acid derivatives is catalyzed by a bifunctional thiourea catalyst to give the title compounds in high yield but only moderate enantioselectivities.
ChemInform Abstract: Bismuth Nitrate Catalyzed Multicomponent Reaction for Efficient and One‐Pot Synthesis of Densely Functionalized Piperidine Scaffolds at Room Temperature.
Authors: Brahmachari Goutam , Das Suvankar 
Published: June 2012

AbstractAn optimized procedure allows the synthesis of highly functionalized piperidines, which are of pharmaceutical interest, in a diastereoselective manner.
ChemInform Abstract: Bismuth Triflate Catalyzed Solvent‐Free Synthesis of 2,4,6‐Triaryl Pyridines and an Unexpected Selective Acetalization of Tetrazolo[1‐5‐a]‐quinoline‐4‐carbaldehydes.
Authors: Shinde Pravin V. , Labade Vilas B. , Gujar Jitendra B. , Shingate Bapurao B. , Shingare Murlidhar S. 
Published: June 2012

AbstractBismuth triflate is an efficient catalyst for the reaction of acetophenone with aldehydes and ammonium acetate under neat conditions to give the desired 2,4,6‐triaryl pyridines.
ChemInform Abstract: Synthesis of Polysubstituted, Functionalized Quinolines Through a Metal‐Free Domino Process Involving a C4—C3 Functional Group Rearrangement.
Authors: Ribelles Pascual , Ramos M. Teresa , Menendez J. Carlos 
Published: June 2012

AbstractVarious tetrahydroquinoline precursors can be successfully transformed to the desired aromatized, rearranged systems.
ChemInform Abstract: C‐1 Alkynylation of N‐Methyltetrahydroisoquinolines Through CDC: A Direct Access to Phenethylisoquinoline Alkaloids.
Authors: Singh Kamal Nain , Singh Paramjit , Kaur Amarjit , Singh Pushpinder 
Published: June 2012

AbstractCopper‐catalyzed direct cross‐coupling of isoquinolines (I) with alkynes gives the C‐1 alkynylation products selectively.