bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Tricyclic Dihydroquinazolinones as Novel 5‐HT2C Selective and Orally Efficacious anti‐Obesity Agents.
Authors: Ahmad Saleem , et al. et al. 
Published: September 2010

AbstractSynthesis and biological evaluation of a series of novel and highly selective dihydroquinazolinone‐derived 5‐HT2C agonists with no detectable agonism of the 5‐HT2B receptor are described.
ChemInform Abstract: Broensted Acid Catalyzed Asymmetric Reduction of Ketones and Acyl Silanes Using Chiral anti‐Pentane‐2,4‐diol.
Authors: Matsuo Jun‐ichi , Hattori Yu , Ishibashi Hiroyuki 
Published: September 2010

AbstractThe metal‐free asymmetric reduction of ketones that uses the chiral diol (II) under Broensted acid catalysis is reported.
ChemInform Abstract: Synthesis and Antitumor Evaluation of Novel Cyclic Arylsulfonylureas: ADME‐T and Pharmacophore Prediction.
Authors: El‐Deeb Ibrahim M. , Bayoumi Said M. , El‐Sherbeny Magda A. , Abdel‐Aziz Alaa A.‐M. 
Published: September 2010

AbstractThree series of cyclic arylsulfonylureas are synthesized comprising the sulfonylurea pharmacophores that are structurally related to sulofenur and its cyclic form.
ChemInform Abstract: C—N Coupling of Nitrogen Nucleophiles with Aryl and Heteroaryl Bromides Using Aminoarenethiolato—Copper(I) (Pre‐)Catalyst.
Authors: Sperotto Elena , van Klink Gerard P. M. , De Vries Johannes G. , van Koten Gerard 
Published: September 2010

AbstractA variety of title Cu(I) aminoarenethiolates is prepared and studied in the N‐arylation of primary and secondary amines.
ChemInform Abstract: Alkylation and Aldol Reactions of Acyl Derivatives of N‐1‐(1′‐Naphthyl)ethyl‐O‐tert‐butylhydroxylamine: Asymmetric Synthesis of α‐Alkoxy‐, α‐Substituted‐β‐alkoxy‐ and α,β‐Dialkoxyaldehydes.
Authors: Chernega Alexander N. , Davies Stephen G. , Flechter Ai M. , Goodwin Christopher J. , Hepworth David , Prasad R. Shyam , Roberts Paul M. , Savory Edward D. , Smith Andrew D. , Thomson James E. 
Published: September 2010

AbstractAlternatively, the chiral auxiliary promotes aldol reactions to give syn‐aldol products such as (XIII), (XVI), or (XX) with good diastereocontrol over both newly generated stereogenic centers.
ChemInform Abstract: Pd(0)‐Catalyzed Couplings Using Bromide and Chloride Derivatives of Baylis—Hillman Adducts with Triarylbismuths as Atom‐Efficient Multi‐Coupling Nucleophiles.
Authors: Rao Maddali L. N. , Banerjee Debasis , Dhanorkar Ritesh J. 
Published: September 2010

AbstractOptimized reaction conditions are presented for the Pd‐catalyzed coupling of halogenated Baylis—Hillman adducts, e.g. (II) or (VIII), with triarylbismuth reagents (I).
ChemInform Abstract: Highly Active Chiral Ruthenium‐Based Metathesis Catalysts Through a Monosubstitution in the N‐Heterocyclic Carbene.
Authors: Tiede Sascha , Berger Anke , Schlesiger David , Rost Daniel , Luehl Anja , Blechert Siegfried 
Published: September 2010

AbstractRing‐opening cross metathesis reaction of norbornene derivatives with styrene derivatives proceeds smoothly in the presence of a novel Ru catalyst.
ChemInform Abstract: Bromodimethylsulfonium Bromide—ZnCl2: A Mild and Efficient Catalytic System for Beckmann Rearrangement.
Authors: Yadav Lal Dhar S. , Patel Rajesh , Srivastava Vishnu P. 
Published: September 2010

AbstractOptimized reaction conditions are developed for the rearrangement of various ketoximes to afford amides or lactones in high yields.
ChemInform Abstract: [Hmim]3PW12O40: A High‐Efficient and Green Catalyst for the Acetalization of Carbonyl Compounds.
Authors: Dai Yan , Li Bin Dong , Quan Heng Dao , Lue Chun Xu 
Published: September 2010

AbstractThe new catalyst is easily prepared as a white solid with high melting point (<300 °C) and can be reused more than 10 times without any loss of activity.
ChemInform Abstract: Green and Novel Protocol for One‐Pot Synthesis of β‐Acetamido Carbonyl Compounds Using Mn(bpdo)2Cl2/MCM‐41 Catalyst.
Authors: Heravi Majid M. , Daraie Mansoureh , Behbahani Farahnaz K. , Malakooti Reihaneh 
Published: September 2010

AbstractA simple, efficient and green protocol for the preparation of β‐acetamido carbonyl compounds (IV) and (VI) using a reusable catalyst is given.
ChemInform Abstract: A New Synthesis of Cyanocyclopropanes by the Intramolecular Alkylation of Magnesium Carbenoids as the Key Reaction.
Authors: Saitoh Hideki , Satoh Tsuyoshi 
Published: September 2010

AbstractMultisubstituted cyanocyclopropanes are synthesized via reaction of 1‐chloroalkyl p‐tolyl sulfoxides with Grignard reagents followed by quenching of the intermediate cyclopropylmagnesium halides with electrophiles.
ChemInform Abstract: Heck‐Type Hydroarylations and 1,3‐Dipolar Cycloaddition Reactions of New Tricyclic Hydrazones.
Authors: Gul Melek , Ocal Nuket 
Published: September 2010

AbstractThe reductive Heck reaction of hydrazones (I) affords the tricyclic pyrolidinediones (III) as single exo‐diastereomers.
ChemInform Abstract: Noncatalytic Electrophilic Oxyalkylation of Anilines with 2‐Trifluoroacetyl‐1,3‐benzothiazole.
Authors: Khodakovskiy Pavel V. , Mykhailiuk Pavel K. , Volochnyuk Dmitriy M. , Tolmachev Andrey A. 
Published: September 2010

AbstractThe regioselectivity of the process, which forms biologically interesting CF3‐substituted tertiary alcohols, strongly depends on the structure of the aniline derivative.
ChemInform Abstract: A Simple and Efficient Method for the Three‐Component Synthesis of Homoallylic Amines Catalyzed by Indium Triflate.
Authors: Narsaiah A. Venkat , Kumar J. Kranthi , Narsimha P. 
Published: September 2010

AbstractThe process can be applied to a broad spectrum of substrates to give various title compounds as drug synthons.
ChemInform Abstract: Preparation of syn‐Tertiary Homoallylic Alcohols Utilizing Allenyltitanocenes Generated by Reductive Titanation of γ‐Trimethylsilylpropargylic Carbonates.
Authors: Yatsumonji Yasutaka , Sugita Takenori , Tsubouchi Akira Tsubouchi Akira , Takeda Takeshi 
Published: September 2010

AbstractAromatic and α,β‐unsaturated ketones are converted with high diastereoselectivities.
ChemInform Abstract: Formation of Chiral Tertiary Homoallylic Alcohols via Evans Aldol Reaction or Enzymatic Resolution and Their Influence on the Sharpless Asymmetric Dihydroxylation.
Authors: Theurer Matthias , Fischer Peter , Baro Angelika , Nguyen Giang Son , Kourist Robert , Bornscheuer Uwe , Laschat Sabine 
Published: September 2010

AbstractThe Evans aldol addition to acetophenone is an environmentally benign method compared to the allylstanne procedure.
ChemInform Abstract: Rapid and Selective Catalytic Oxidation of Secondary Alcohols at Room Temperature by Using (N‐Heterocyclic Carbene)—Ni0 Systems.
Authors: Berini Christophe , Winkelmann Ole H. , Otten Jennifer , Vicic David A. , Navarro Oscar 
Published: September 2010

AbstractThe use of 2,4‐dichlorotoluene as a solvent is crucial to shorten the reaction time from hours (in dioxane) to minutes.
ChemInform Abstract: Which Is the Actual Catalyst: Chiral Phosphoric Acid or Chiral Calcium Phosphate?
Authors: Hatano Manabu , Moriyama Katsuhiko , Maki Toshikatsu , Ishihara Kazuaki 
Published: September 2010

AbstractA highly enantioselective direct Mannich‐type reaction of aldimines with a broad range of 1,3‐dicarbonyl compounds with the use of a chiral phosphoric acid in the presence or absence of Ca(II) is demonstrated.
ChemInform Abstract: Zinc Chloride‐Catalyzed Expeditious Route to Nitriles.
Authors: Paesha M. A. , Nizam Aatika 
Published: September 2010

AbstractA simple, solvent‐free, and efficient method to get nitriles by microwave‐assisted reaction of different aromatic aldehydes with hydroxylamine in the presence of ZnCl2 is described.
ChemInform Abstract: Selective and Mild Oxidation of Sulfides to Sulfoxides by H2O2 Using DBUH‐Br3 as Catalyst.
Authors: Bakavoli Mehdi , Kakhky Alireza Motavalizadeh , Shiri Ali , Ghabdian Mahdieh , Davoodnia Abolghasem , Eshghi Hossein , Khatami Mola 
Published: September 2010

AbstractThe process is finished within a short time and functional groups remain intact.
ChemInform Abstract: Rational Exploration of N‐Heterocyclic Carbene (NHC) Palladacycle Diversity: A Highly Active and Versatile Precatalyst for Suzuki—Miyaura Coupling Reactions of Deactivated Aryl and Alkyl Substrates.
Authors: Peh Guang‐Rong , Kantchev Eric Assen B. , Er Jun‐Cheng , Ying Jackie Y. 
Published: September 2010

AbstractA small library of NHC‐palladacycles is prepared by heating readily available palladacycle acetates with imidazolium salts.
ChemInform Abstract: Multicomponent Synthesis of 3,5‐Diaryl‐2,6‐dicyanoanilines under Thermal Solvent‐Free Conditions.
Authors: Shaterian Hamid Reza , Honarmand Moones , Oveisi Ali Reza 
Published: September 2010

AbstractAdvantages of the title reaction are the green solvent‐free conditions, the operational simplicity and low cost of K2CO3 and the suitability in industrial applications.
ChemInform Abstract: Regioselective Synthesis of Highly‐Substituted Biaryls by Reaction of Vinyl Malononitriles with Acetylenic Esters.
Authors: Esmaeili Abbas Ali , Moradi Abbas , Mohammadi Hanieh Khoddam 
Published: September 2010

AbstractCyclocondensation of benzylidenemalononitriles (I) with acetylenedicarboxylates (II) proceeds smoothly in the presence of sodium alkoxide base to afford biaryl derivatives containing one electron‐donor and three electron‐acceptor substituents (III) in good yields.
ChemInform Abstract: “On Water” Assisted Synthesis and Biological Evaluation of Nitrogen and Sulfur Containing Hetero‐1,4‐naphthoquinones as Potent Antifungal and Antibacterial Agents.
Authors: Tandon Vishnu K. , Maurya Hardesh K. , Verma Manoj K. , Kumar Rohitashw , Shukla Praveen K. 
Published: September 2010

AbstractThe reactions of naphthoquinone derivative (I) with different amines and thiols and intramolecular nucleophilic addition—elimination and cyclization reactions in the presence or absence of a base using water as solvent are studied.
ChemInform Abstract: Pinacol Coupling of 2,2′‐Biaryldiketone: An Application for the Synthesis of Enantiopure 3,4‐Dihydrodibenzo[c,g]phenanthrene‐3,4‐diol Derivatives.
Authors: Kitamura Mitsuru , Shiomi Kazufumi , Kitahara Daisuke , Yamamoto Yasuaki , Okauchi Tatsuo 
Published: September 2010

AbstractThe required products are exclusively obtained from substrates (I) bearing alkyl substitutents.
ChemInform Abstract: Palladium‐Catalyzed Cyclocarbonylation of Arynes with Methyl Allyl Carbonates: Selective Synthesis of 1H‐Inden‐1‐ones.
Authors: Pi Shao‐Feng , Yang Xu‐Heng , Huang Xiao‐Cheng , Liang Yun , Yang Guan‐Nan , Zhang Xiao‐Hong , Li Jin‐Heng 
Published: September 2010

AbstractThe substitution pattern at the indan products depends on the phosphine ligand in conditions A) or B).
ChemInform Abstract: Asymmetric Synthesis of Spiro‐3,4‐dihydropyrans via a Domino Organocatalytic Sequence.
Authors: Yao Weijun , Pan Lianjie , Wu Yihua , Ma Cheng 
Published: September 2010

AbstractThe domino Michael—hemiacetalization reaction of cyclic β‐oxo aldehydes, e.g. (I) or (V), with aromatic β,γ‐unsaturated α‐keto esters is efficiently catalyzed by a quinidine‐derived catalyst.
ChemInform Abstract: One‐Pot Synthesis of Substituted Dihydrofurans from Lewis Base Catalyzed Three‐Component Condensation.
Authors: Zhong Cheng , Liao Tao , Tuguldur Odbadrakh , Shi Xiaodong 
Published: September 2010

AbstractThe process allows the introduction of substituents at all positions of the dihydrofuran ring with high chemo‐ and diastereoselectivity.
ChemInform Abstract: A Mild and Convenient One‐Pot Two‐Step Synthesis of Hydroxyiminodihydrobenzofurans Mediated by Silica Gel under Microwave Activation Conditions.
Authors: Barange Deepak Kumar , Raju B. Rama , Kavala Veerababurao , Kuo Chun‐Wei , Tu Yu‐Chen , Yao Ching‐Fa 
Published: September 2010

AbstractCyclic 1,3‐dicarbonyl compounds (I) react with various nitroolefins to furnish the title products exclusively or predominantly as (E)‐isomers.
ChemInform Abstract: Highly Chemo‐ and Enantioselective Synthesis of 3‐Allyl‐3‐aryl Oxindoles via the Direct Palladium‐Catalyzed α‐Arylation of Amides.
Authors: Luan Xinjun , Wu Linglin , Drinkel Emma , Mariz Ronaldo , Gatti Michele , Dorta Reto 
Published: September 2010

AbstractA wide range of the substituted target compounds is prepared with high yields and enantioselectivities tolerating functional groups, another indole moiety, ortho‐, meta‐ and para‐substitution of the substituents and also a methyl group.
ChemInform Abstract: The Enantioselective Organocatalyzed Diels—Alder Reaction of 2‐Vinylindoles with α,β‐Unsaturated Aldehydes: An Efficient Route to Functionalized Tetrahydrocarbazoles.
Authors: Zheng Changwu , Lu Yingpeng , Zhang Junkang , Chen Xingkuan , Chai Zhuo , Ma Wenying , Zhao Gang 
Published: September 2010

AbstractA diarylprolinol‐derived organocatalyst is successfully applied in the highly stereoselective cycloaddition reaction of 2‐vinylindoles towards α,β‐unsaturated aldehydes.
ChemInform Abstract: A Novel Synthetic Approach Towards Pyrazole‐4‐carboxamides Using N‐(3‐(Dimethylamino)‐2‐formylacryloyl)formamide.
Authors: Jachak Madhukar N. , Ghagare Maruti G. , Birari Dilip R. , Rote Ramhari V. , Kazi Muddassar A. , Jachak Sanjay M. , Roche Raghunath B. 
Published: September 2010

AbstractThe reaction of formamide (I), an intermediate obtained via Vilsmeier—Haack formylation of MeCN, with hydrazines provides a novel access to pyrazole‐4‐carboxamides (III).
ChemInform Abstract: Iron‐Catalyzed N‐Alkylation of Azoles via Oxidation of C—H Bond Adjacent to an Oxygen Atom.
Authors: Pan Shiguang , Liu Jinhua , Li Huanrong , Wang Zhenyu , Guo Xingwei , Li Zhiping 
Published: September 2010

AbstractThe reaction of various azoles with cyclic ethers such as THF (II) and analogues proceeds with good yields and high selectivities.
ChemInform Abstract: Synthesis and Reactivity of Monothiooxamides of the Aminonitroarenes Series.
Authors: Yarovenko V. N. , Polushina A. V. , Levchenko K. S. , Zavarzin I. V. , Krayushkin M. M. , Kotovskaya S. K. , Charushin V. N. 
Published: September 2010

AbstractThe synthesis of monothiooxamides containing aminonitrobenzene and aminonitropyridine fragments and their conversion into thioesters, fused imidazole and diazepine derivatives are described.
ChemInform Abstract: Syntheses and Antibacterial Activity Studies of New Oxazolidinones from Nitroso Diels—Alder Chemistry.
Authors: Yan Shanshan , Miller Marvin J. , Wencewicz Timothy A. , Moellmann Ute 
Published: September 2010

AbstractA series of novel oxazolidinone antibiotics, e.g. (III) and (V), having [2.2.1] and [2.2.2] bicyclic oxazine moieties at the C‐5 side chain of the A‐ring is synthesized via nitroso Diels—Alder reaction.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition of Nitrones with 5‐Methylenehydantoins: Synthesis and Transformation of New Spirohydantoin Derivatives.
Authors: Bahy Amira , Kacem Yakdhane , Hassine Bechir Ben 
Published: September 2010

AbstractNovel spirohydantoin derivatives are obtained regiostereoselectively by 1,3‐dipolar cycloaddition of 5‐methylenehydantoins with nitrones.
ChemInform Abstract: Synthesis and Conformational Analysis of the First 3‐Oxa‐7‐thia‐1‐r‐azabicyclo[3.3.0]‐c‐5‐octane Single Functionalized at the C‐5 Position.
Authors: But Andrada , Lameiras Pedro , Silaghi‐Dumitrescu Ioan , Batiu Carmen , Guillard Sophie , Ramondenc Yvan , Darabantu Mircea 
Published: September 2010

AbstractThe four‐step synthesis presented provides title compound (IX) in 29% overall yield.
ChemInform Abstract: ZnO‐Beta Zeolite: As an Effective and Eco‐Friendly Heterogeneous Catalyst for the Synthesis of Benzothiazole Derivatives.
Authors: Katkar Santosh S. , Mohite Pravinkumar H. , Gadekar Lakshman S. , Vidhate Kaluram N. , Lande Machhindra K. 
Published: September 2010

AbstractThe catalyst is reused 4 times without loss of activity.
ChemInform Abstract: Fused Tetrazoles as Azide Surrogates in Click Reaction: Efficient Synthesis of N‐Heterocycle‐Substituted 1,2,3‐Triazoles.
Authors: Chattopadhyay Buddhadeb , Rivera Vera Claudia I. , Chuprakov Stepan , Gevorgyan Vladimir 
Published: September 2010

AbstractThe equilibrium between the closed tetrazole and the opened 2‐azido N‐heterocyclic form allows a click reaction with terminal alkynes.
ChemInform Abstract: An Approach to Synthesis of 3‐Aryl‐2‐oxazolidinones and in situ “Click” Assembly of 1,2,3‐Triazole Oxazolidinones.
Authors: Zhang Xingxian , Li Cheng , Chen Wei , Wu Xiang 
Published: September 2010

AbstractThe addition of isocyanates (II) to epoxide (I) in the presence of MgI2 etherate affords 2‐oxazolidinones (III) in good yields.
ChemInform Abstract: Synthesis and Transformations of 1‐(Azidophenyl)‐1H‐tetrazoles.
Authors: Pokhodylo N. T. , Matiichuk V. S. , Obushak N. D. 
Published: September 2010

AbstractThe cyclization of azide (IV) with cyanoacetanilide (VII) affords triazole derivative (VIII), whilst the analogous reaction with ethyl acetoacetate (V) is accompanied by cleavage of the tetrazole ring [some yields not given].
ChemInform Abstract: Catalytic Asymmetric Synthesis of R207910.
Authors: Saga Yutaka , Motoki Rie , Makino Sae , Shimizu Yohei , Kanai Motomu , Shibasaki Masakatsu 
Published: September 2010

AbstractThe first asymmetric synthesis of the potent anti‐tuberculosis drug (VI) involves two key catalytic transformations: an enantioselective proton migration reaction of dihydroquinolinone (I) using an in situ generated yttrium catalyst, and a CuF‐catalyzed highly diastereoselective allylation of the resulting quinolinone (II).
ChemInform Abstract: Synthesis and hSERT Activity of Homotryptamine Analogues. Part 6. [3 + 2] Dipolar Cycloaddition of 3‐Vinylindoles.
Authors: Marcin Lawrence R. , Mattson Ronald J. , Gao Qi , Wu Dedong , Molski Thaddeus F. , Mattson Gail K. , Lodge Nicholas J. 
Published: September 2010

AbstractA series of homotryptamine analogues such as (V) and (VIII) is prepared via [3 + 2] dipolar cycloaddition of vinylindole (I) with cyclic nitrones as key step.
ChemInform Abstract: Unprecedented 1,3‐Dipolar Cycloaddition: From 1,4,5,8‐Naphthalene Bisimides to a New Heterocyclic Skeleton.
Authors: Gryko Daniel T. , Rogacki Maciej K. , Klajn Jan , Galezowski Michal , Stepien Dorota K. , Cyranski Michal K. 
Published: September 2010

AbstractA unique rigid hexacyclic structure is constructed from naphthalene bisimides (I) and azomethine ylide, generated in situ.
ChemInform Abstract: Sulfamic Acid‐Catalyzed Simple and Efficient Synthesis of 4‐Aryl‐3‐methyl‐1‐phenyl‐1H‐benzo[g]pyrazolo [3,4‐b]quinoline‐5,10‐diones under Solvent‐Free Conditions.
Authors: Wu Liqiang , Ma Suying , Yan Fulin , Yang Chunguang 
Published: September 2010

AbstractA one‐pot three‐component reaction in the presence of sulfamic acid as solid acid catalyst affords title compounds (IV).
ChemInform Abstract: Rhodium‐Catalyzed Multicomponent Synthesis of Chiral Oxazolopiperidines.
Authors: Salvadori Jessica , Airiau Etienne , Girard Nicolas , Mann Andre , Taddei Maurizio 
Published: September 2010

AbstractBicyclic, tricyclic, tetracyclic and spirocyclic oxazolo‐ and oxazinopiperidines are prepared by the reaction of acids (I) or (XV) with 1,2‐ or 1,3‐amino alcohols under syngas atmosphere and microwave irradiation.
ChemInform Abstract: Benzimidazole Derivatives Related to 2,3‐Acrylonitriles, Benzimidazo[1,2‐a]quinolines and Fluorenes: Synthesis, Antitumor Evaluation in vitro and Crystal Structure Determination.
Authors: Hranjec Marijana , Pavlovic Gordana , Marjanovic Marko , Kralj Marijeta , Karminski‐Zamola Grace 
Published: September 2010

AbstractAcyclic benzimidazolyl substituted acrylonitriles (III) and (VI) are prepared by condensation reaction between cyanomethylbenzimidazole (I) and heteroaromatic aldehydes (II) and (V), resp.
ChemInform Abstract: Anodic Oxidation of Catechols in the Presence of α‐Oxoketene N,N‐Acetals with a Tetrahydropyrimidine Ring: Selective α‐Arylation Reaction.
Authors: Zeng Cheng‐Chu , Ping Da‐Wei , Hu Li‐Ming , Song Xiu‐Qing , Zhong Ru‐Gang 
Published: September 2010

AbstractElectrochemical oxidation of catechols (II) generates the corresponding benzoquinones which subsequently react with α‐oxoketene N,N‐acetals (I) to give the α‐arylation products (III).
ChemInform Abstract: First Application of Hexaaquaaluminium(III) Tetrafluoroborate as a Mild, Recyclable, Non‐hygroscopic Acid Catalyst in Organic Synthesis: A Simple and Efficient Protocol for the Multigram Scale Synthesis of 3,4‐Dihydropyrimidinones by Biginelli Reaction.
Authors: Litvic Mladen , Vecenaj Ivana , Ladisic Zrinka Mikuldas , Lovric Marija , Vinkovic Vladimir , Filipan‐Litvic Mirela 
Published: September 2010

AbstractA variety of β‐keto esters (II) and aromatic aldehydes (III) reacts smoothly with urea in the presence of [Al(H2O)6](BF4)3.
ChemInform Abstract: NHC‐Stabilized Gold(I) Complexes: Suitable Catalysts for 6‐exo‐dig Heterocyclization of 1‐(o‐Ethynylaryl)ureas.
Authors: Gimeno Ana , Medio‐Simon Mercedes , Ramirez de Arellano Carmen , Asensio Gregorio , Cuenca Ana B. 
Published: September 2010

AbstractUnder the optimized gold catalysis, the less favored and more challenging 6‐exo‐dig cyclized products are formed in yields up to 96% from ureas bearing a terminal alkyne at the ortho‐position.
ChemInform Abstract: Chromeno[2,3‐d]pyrimidine‐triones Synthesis by a Three‐Component Coupling Reaction
Authors: Ghahremanzadeh Ramin , Fereshtehnejad Fatemeh , Bazgir Ayoob 
Published: September 2010

AbstractA simple and efficient synthesis of novel chromenopyrimidinetriones (IV) (28 examples) by three‐component reaction of barbituric acids, cyclohexanediones and aldehydes is reported.
ChemInform Abstract: Convenient Synthesis of 5‐Substituted 2‐Amino[1,2,4]triazolo[1,5‐a][1,3,5]triazin‐7(6H)‐ones from N‐Triazolide Imidates and 1,2,4‐Triazole‐3,5‐diamine.
Authors: Khankischpur Mehdi , Hansen Finn K. , Geffken Detlef 
Published: September 2010

AbstractPreviously unreported N‐triazole imidates (III) are synthesized and treated with triazolediamine (IV) to give triazolotriazinones (V) regioselectively.
ChemInform Abstract: Hydrothiolysis of N,N‐Dimethyl‐3‐methylsulfanyl‐3‐phenyl‐prop‐2‐en‐1‐iminium Iodide.
Authors: Timokhina L. V. , Kanitskaya L. V. 
Published: September 2010

AbstractReaction of the title iminium salt (I) with H2S in DMF or MeOH involves only the C=N+ bond furnishing propenal (II), which trimerizes in situ to give trithiane (III).
ChemInform Abstract: A Novel Approach to Indoloditerpenes by Nazarov Photocyclization: Synthesis and Biological Investigations of Terpendole E Analogues.
Authors: Churruca Fatima , Fousteris Manolis , Ishikawa Yuichi , von Wantoch Rekowski Margarete , Hounsou Candide , Surrey Thomas , Giannis Athanassios 
Published: September 2010

Abstract16‐Epi‐terpendole E (V) is prepared starting from (+)‐Wieland—Miescher ketone with the novel key step being the stereoselective photochemical Nazarov cyclization of (II) under very mild conditions.
ChemInform Abstract: Dammarane‐Type Glycosides from the Steamed Flower‐Buds of Panax ginseng.
Authors: Nguyen Huu Tung , Cho Kyoungwon , Kim Jeong Ah , Song Gyu Yong , Kim Young Ho 
Published: September 2010

AbstractThe new dammarane‐type glycoside ginsenoside SF (I) is isolated from the steamed flower‐buds of Panax ginseng along with 19 known saponins.
ChemInform Abstract: Catalytic Enantioselective Total Synthesis of (‐)‐Platyphyllide and Its Structural Revision.
Authors: Hiraoka Shiharu , Harada Shinji , Nishida Atsushi 
Published: September 2010

AbstractBased on the synthesis of both enantiomers and spectroscopic comparison it is found that the natural compound is represented by (‐)‐I and not by (+)‐I as was previously reported.
ChemInform Abstract: Sulfonate Esters of 1‐Hydroxypyridin‐2(1H)‐one and Ethyl 2‐Cyano‐2‐(hydroxyimino)acetate (Oxyma) as Effective Peptide Coupling Reagents to Replace 1‐Hydroxybenzotriazole and 1‐Hydroxy‐7‐azabenzotriazole.
Authors: Khattab Sherine Nabil 
Published: September 2010

AbstractThe title oxyma sulfonate esters, NOXY and TOXY are more efficient alternatives to the benzotriazole sulfonate esters in terms of racemization suppression and coupling effectiveness.