bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Synthesis of Tertiary Alkyl Amines from Terminal Alkenes: Copper‐Catalyzed Amination of Alkyl Boranes.
Authors: Rucker Richard P. , Whittaker Aaron M. , Dang Hester , Lalic Gojko 
Published: August 2012

AbstractThe one‐pot reaction involves the hydroboration of the alkenes, followed by a novel amination of the formed alkylboranes with O‐benzoyl hydroxylamines in the presence of a copper‐carbene catalyst to give the tertiary amines exclusively as anti‐Markovnikov products.
ChemInform Abstract: Gold(I)‐Catalyzed Stereoconvergent, Intermolecular Enantioselective Hydroamination of Allenes.
Authors: Butler Kristina L. , Tragni Michele , Widenhoefer Ross A. 
Published: August 2012

AbstractThe reaction of disubstituted chiral and racemic allenes with N‐unsubstituted carbamates provides N‐allylic carbamates in good yields and with high enantioselectivities.
ChemInform Abstract: Cross‐Coupling of Aryllithiums with Aryl and Vinyl Halides in Flow Microreactors.
Authors: Nagaki Aiichiro , Moriwaki Yuya , Haraki Suguru , Kenmoku Akira , Takabayashi Naofumi , Hayashi Atsushi , Yoshida Jun‐Ichi 
Published: August 2012

AbstractThe coupling of aryl bromides with vinyl bromides in a flow microreactor is best performed via Br/Li exchange of the aryl bromide with BuLi, followed by the Pd(OAc)2‐catalyzed Murahashi coupling of the lithiated arene with the vinyl bromide.
ChemInform Abstract: Highly Efficient Asymmetric anti‐Mannich Reactions of Carbonyl Compounds with N‐Carbamoyl Imines Catalyzed by Amino‐Thiourea Organocatalysts.
Authors: Gao Jiuzhi , Chuan Yongming , Li Jiali , Xie Fang , Peng Yungui 
Published: August 2012

AbstractThe designed catalyst is effectively applied to the title reaction.
ChemInform Abstract: Mild and Ligand‐Free Pd(II)‐Catalyzed Conjugate Additions to Hindered γ‐Substituted Cyclohexenones.
Authors: Jordan‐Hore James A. , Sanderson James N. , Lee Ai‐Lan 
Published: August 2012

AbstractThe process can also be applied to the cyclopentenone (VIIa).
ChemInform Abstract: Facile and Efficient Method for the Debromination of vic‐Dibromides to Alkenes with BiCl3/Ga System.
Authors: Yoo Byung Woo , Kim Seo Hee , Park Young Kwang 
Published: August 2012

AbstractA mild and efficient method for the debromination of aromatic vic‐dibromides (I) affords a diversity of functionalized (E)‐styrene and (E)‐stilbene derivatives in high yields.
ChemInform Abstract: Copper‐Mediated Aerobic Fluoroalkylation of Arylboronic Acids with Fluoroalkyl Iodides at Room Temperature.
Authors: Qi Qingqing , Shen Qilong , Lu Long 
Published: August 2012

AbstractUnder optimized conditions using a stoichiometric amount of copper powder (Cu foil is equally effective), polyfluoroalkyl iodides are coupled with a variety of arylboronic acids in the absence of a ligand.
ChemInform Abstract: Direct Synthesis of Organic Azides from Alcohols Using 2‐Azido‐1,3‐dimethylimidazolinium Hexafluorophosphate.
Authors: Kitamura Mitsuru , Koga Tatsuya , Yano Masakazu , Okauchi Tatsuo 
Published: August 2012

AbstractAzide transfer of the title reagent to alcohols proceeds under mild conditions which have to be slightly changed depending on the substrate.
ChemInform Abstract: Electrochemical Selective Oxidation of Aromatic Alcohols with Sodium Nitrate Mediator in Biphasic Medium at Ambient Temperature.
Authors: Christopher C. , Lawrence S. , Kulandainathan M. Anbu , Kulangiappar K. , Raja M. Easu , Xavier N. , Raja S. 
Published: August 2012

AbstractThe method is advantageous with regards to simple handling, reuse of the spent mediator and high selectivity.
ChemInform Abstract: Direct Asymmetric Aldol Reactions Catalyzed by L‐Proline/PEG/SiO2 Composite Catalyst.
Authors: Xu Na , Xue Dong , Liu Ling , Liu Zhao‐Tie , Lu Jian , Liu Zhong‐Wen 
Published: August 2012

AbstractA composite catalyst formed from L‐proline and PEG 1000 immobilized on silica is successfully applied in the aldol reaction of p‐nitrobenzaldehyde with simple ketones.
ChemInform Abstract: A New Entry for the Oxidation of Fluoroalkyl‐Substituted Methanol Derivatives: Scope and Limitation of the Organoiodine(V) Reagent‐Catalyzed Oxidation.
Authors: Tanaka Yusuke , Ishihara Takashi , Konno Tsutomu 
Published: August 2012

AbstractThe hypervalent iodine‐catalyzed oxidation of various types of fluoroalkylated alcohols is performed and compared with other oxidation systems such as Dess‐Martin, PDC, and Swern oxidation.
ChemInform Abstract: Synthesis and Fungicidal Activity of New Fluorine‐Containing Mandelic Acid Amide Compounds.
Authors: Li Shuai , Cui Can , Wang Man‐Yi , Yu Shui‐Jing , Shi Yan‐Xia , Zhang Xiao , Li Zheng‐Ming , Zhao Wei‐Guang , Li Bao‐Ju 
Published: August 2012

AbstractA series of title compounds is synthesized in which the methyl group of catecholamine is replaced by a trifluoromethyl moiety.
ChemInform Abstract: N‐Heterocyclic Carbene‐Catalyzed Aerobic Oxidative Direct Esterification of Aldehydes with Organoboronic Acids.
Authors: Meng Jing‐Jing , Gao Min , Wei Yu‐Ping , Zhang Wen‐Qin 
Published: August 2012

AbstractUnder optimized conditions, various arylboronic acids react with aryl/heteroaryl aldehydes to give carboxylic esters.
ChemInform Abstract: Unexpectedly Ligand‐Free Copper‐Catalyzed C—S Cross‐Coupling of Benzothiazole with Aryl Iodides in Aqueous Solution.
Authors: Feng Yi‐Si , Qi Hong‐Xia , Wang Wei‐Cheng , Liang Yu‐Feng , Xu Hua‐Jian 
Published: August 2012

AbstractTreatment of benzothiazole with iodobenzenes under conditions A) produces unexpectedly 2‐aminophenyl sulfide derivatives instead of the expected 2‐arylated heterocyclic derivatives (mechanism).
ChemInform Abstract: IBX/I2‐Mediated Reaction of Sodium Arenesulfinates with Alkenes: Facile Synthesis of β‐Keto Sulfones.
Authors: Samakkanad Natthapol , Katrun Praewpan , Techajaroonjit Thanachart , Hlekhlai Sornsiri , Pohmakotr Manat , Reutrakul Vichai , Jaipetch Thaworn , Soorukram Darunee , Kuhakarn Chutima 
Published: August 2012

AbstractThe one‐pot procedure for a direct synthesis of the target compounds from nonactivated aliphatic alkenes or styrenes represents an important alternative to known methods.
ChemInform Abstract: Bromodimethylsulfonium Bromide (BDMS)‐Mediated Lossen Rearrangement: Synthesis of Unsymmetrical Ureas.
Authors: Yadav Deepak K. , Yadav Arvind K. , Srivastava Vishnu P. , Watal Geeta , Yadav Lal Dhar S. 
Published: August 2012

AbstractBDMS serves as a safe and efficient reagent for in situ generation of isocyanates via Lossen rearrangement of hydroxamic acids.
ChemInform Abstract: Continuous Flow Processing of Gaseous Ammonia Using a Teflon AF‐2400 Tube‐in‐Tube Reactor: Synthesis of Thioureas and In‐Line Titrations.
Authors: Browne Duncan L. , O'Brien Matthew , Koos Peter , Cranwell Philippa B. , Polyzos Anastasios , Ley Steven V. 
Published: August 2012

AbstractDuring reaction, the amount of ammonia taken up by the solvent DME is measured by a colorimetric in‐line titration technique.
ChemInform Abstract: Palladium(0)‐Catalyzed Cyclization of 1,6‐Diyn‐3‐yl Carbonates with a Nucleophilic Functionality: Efficient Synthesis of Polycyclic Benzo[b]fluorene Derivatives via Allene Intermediates.
Authors: Zhu Shugao , Wu Luling , Huang Xian 
Published: August 2012

AbstractA convenient sequential method for the facile and efficient synthesis of the title compounds (II) and (IV) from easily accessible starting materials is developed under mild conditions.
ChemInform Abstract: Trifluoromethyl Derivatives of C88 (33) Fullerene
Authors: Lanskikh Maria A. , Chang Kaichin , Tamm Nadezhda B. , Kemnitz Erhard , Troyanov Sergey I. 
Published: August 2012

Abstractsynthesis, separation, and X‐ray crystallographic analysis of C88(CF3)nderivatives (n = 16, 18, 20)
ChemInform Abstract: An Organocatalytic Michael—Aldol Cascade: Formal [3 + 2] Annulation to Construct Enantioenriched Spirocyclic Oxindole Derivatives.
Authors: Duan Shu‐Wen , Li Yang , Liu Yi‐Yin , Zou You‐Quan , Shi De‐Qing , Xiao Wen‐Jing 
Published: August 2012

AbstractThe presented approach provides a facile access to a new family of polyfunctionalized spirooxindoles bearing three consecutive stereogenic centers.
ChemInform Abstract: Alkylation of N‐Arylcyanamides and Electron‐Deficient Phenols with (Chloromethyl)thiirane.
Authors: Butkevich A. N. , Zibinsky M. , Sokolov V. V. , Tomashevskii A. A. 
Published: August 2012

AbstractThe title reaction in aqueous alkaline solutions provides a convenient access to novel thietane derivatives (III) and (VI), respectively.
ChemInform Abstract: Efficient Ce(III)‐Catalyzed cis‐Selective Synthetic Approach to γ‐Lactones in Aqueous Media.
Authors: Rai Vijai K. , Tiku Priya , Kumar Anil 
Published: August 2012

AbstractA CeCl3‐catalyzed one‐pot synthesis of title compounds (III) (10 examples) becomes possible via a regioselective epoxide ring‐opening and subsequent mercaptoacetylative cyclization in water.
ChemInform Abstract: Facile and Efficient Synthesis of γ‐Lactone and Butenolide Derivatives.
Authors: Zhang Xingxian , Guo Jincai , Hu Shenghui 
Published: August 2012

AbstractBaeyer—Villiger rearrangement of cyclobutanone derivatives (I) provides the corresponding γ‐lactones (II) which can be further transformed to butenolide (VIII) via δ‐lactone (III).
ChemInform Abstract: Gold‐Catalyzed Carbene Transfer to Alkynes: Access to 2,4‐Disubstituted Furans.
Authors: Kramer Soeren , Skrydstrup Troels 
Published: August 2012

AbstractCarbon ylides (I) and (IV) stabilized by a carbonyl group are used as the carbene equivalent in the title reaction, which represents a formal [3 + 2] cycloaddition.
ChemInform Abstract: Organocatalytic Sequential α‐Aminoxylation and cis‐Wittig Olefination of Aldehydes: Synthesis of Enantiopure γ‐Butenolides.
Authors: Devalankar Dattatray A. , Chouthaiwale Pandurang V. , Sudalai Arumugam 
Published: August 2012

AbstractA simple procedure for the synthesis of the title compounds (III) is developed from readily available starting materials.
ChemInform Abstract: Heck‐Type Coupling of Intramolecularly‐Generated Thiopalladacycles with Alkenes: One Pot Syntheses of 3‐Alkenylbenzo[b]thiophenes.
Authors: Karkhelikar Manjusha , Racharlawar Shailesh S. , Salian Subhas M. , Sridhar B. , Likhar Pravin R. 
Published: August 2012

AbstractA new methodology for the synthesis of the title compounds and the seleno analogues (IX) is developed.
ChemInform Abstract: Addition of Pyrroles onto Terminal Alkynes Catalyzed by a Dinuclear Ruthenium(II) Complex.
Authors: Tan Sze Tat , Teo Yew Chin , Fan Wai Yip 
Published: August 2012

AbstractConditions are elaborated which allow the preparation of vinylpyrrole structures with a potential for further functionalization including the construction of dipyrromethane skeletons.
ChemInform Abstract: Dinuclear Zinc Catalyzed Asymmetric Spirannulation Reaction: An Umpolung Strategy for Formation of α‐Alkylated‐α‐hydroxyoxindoles.
Authors: Trost Barry M. , Hirano Keiichi 
Published: August 2012

AbstractTreatment of oxindoles of type (I) with α,β‐unsaturated esters in the presence of ZnEt2 and the chiral amino alcohol results in efficient, highly diastereo‐ and enantioselective formation of spirocyclic oxindoles.
ChemInform Abstract: Synthesis of 3‐Carboxylated Indoles Through a Tandem Process Involving Cyclization of 2‐Ethynylanilines Followed by CO2 Fixation in the Absence of Transition Metal Catalysts.
Authors: Inamoto Kiyofumi , Asano Narumi , Nakamura Yuka , Yonemoto Misato , Kondo Yoshinori 
Published: August 2012

AbstractThe efficient approach can be extended to 3‐carboxylated benzofurans.
ChemInform Abstract: Mild and Efficient C2‐Alkenylation of Indoles with Alkynes Catalyzed by a Cobalt Complex.
Authors: Ding Zhenhua , Yoshikai Naohiko 
Published: August 2012

AbstractN‐Pyrimidylindole and its derivatives substituted at the 3‐ to 7‐position are stereoselectively alkenylated using the phosphine‐pyridine bidentate ligand PEP and an optimized amount of Grignard compound NPMB to give exclusively the (E)‐alkenyl isomers.
ChemInform Abstract: Direct and Highly Enantioselective Iso‐Pictet—Spengler Reactions with α‐Ketoamides: Access to Underexplored Indole Core Structures.
Authors: Schoenherr Heike , Leighton James L. 
Published: August 2012

AbstractA simple, new, and highly stereoselective approach to pyrroloisoquinoline and pyrazinoindole derivatives is reported.
ChemInform Abstract: Cycloaddition of CO2 to Epoxides Catalyzed by N‐Heterocyclic Carbene (NHC)—ZnBr2 System under Mild Conditions.
Authors: Liu Xiang , Cao Changsheng , Li Yunfei , Guan Pei , Yang Longguang , Shi Yanhui 
Published: August 2012

AbstractAn efficient catalytic system is developed for the fixation of carbon dioxide.
ChemInform Abstract: Organocatalytic Sequential α‐Amination/Corey—Chaykovsky Reaction of Aldehydes: A High Yield Synthesis of 4‐Hydroxypyrazolidine Derivatives.
Authors: Kumar B. Senthil , Venkataramasubramanian V. , Sudalai Arumugam 
Published: August 2012

AbstractThe title reaction allows a new and highly stereoselective access to the target compounds; epoxides are not obtained.
ChemInform Abstract: Enantioselective Synthesis of Dihydropyrazoles by Formal [4 + 1] Cycloaddition of in situ Derived Azoalkenes and Sulfur Ylides.
Authors: Chen Jia‐Rong , Dong Wan‐Rong , Candy Mathieu , Pan Fang‐Fang , Joerres Manuel , Bolm Carsten 
Published: August 2012

AbstractThe efficient and scalable title transformation is presented for the first time.
ChemInform Abstract: Pd‐Catalyzed Direct Arylation of Phenylpyrazole: Synthesis of Fipronil Derivatives with Aryl Boronic Acids Promoted by a Stoichiometric Amount of NIS.
Authors: Lv Ting , Zhang Xiao‐Hong , Han Jiang‐Sheng , Zhong Ping 
Published: August 2012

AbstractN‐Iodosuccinimide promotes the generation of 4‐iodo‐1‐phenylpyrazole in situ, compared to iodine and ICI, which is subsequently reacted with phenyl boronic acid to afford the arylated product.
ChemInform Abstract: Design and Synthesis of 3‐(2‐Ethyl‐4‐{2‐ [2‐(4‐fluorophenyl)‐5‐methyloxazol‐4‐yl]ethoxy}phenyl)propanoic Acid: A Novel Triple‐Acting PPARα, ‐γ, and ‐δ Agonist.
Authors: Zhang Qijun , Sun Peng , Zheng Guojun , Wang Yaping , Wang Xiangjing , Wei Hegeng , Xiang Wensheng 
Published: August 2012

AbstractThe synthetic route to the title compound, involving the formation of the oxazole ring as the key step, starts from 3‐oxopentanoic acid methyl ester and 3‐hydroxyacetophenone to afford the target compound with an overall yield of 32%.
ChemInform Abstract: L‐Proline Catalyzed Efficient One‐Pot Three‐Component Aza‐Diels—Alder Reactions on Nitrostyrylisoxazoles: A Facile Synthesis of New Isoxazolyl Tetrahydroquinolines and Isoxazolo[2,3‐a]pyrimidines.
Authors: Rajanarendar E. , Reddy M. Nagi , Reddy K. Govardhan , Krishna S. Rama 
Published: August 2012

AbstractImines, generated in situ from aromatic aldehydes and amines, react with isoxazole substrates to give the trans‐cycloadducts with high diastereoselectivity (<80% d.e) in an enantiopure manner.
ChemInform Abstract: Microwave‐Assisted One‐Pot Synthesis of Benzothiazole and Benzoxazole Libraries as Analgesic Agents.
Authors: Praveen C. , Nandakumar A. , Dheenkumar P. , Muralidharan D. , Perumal P. T. 
Published: August 2012

AbstractLibraries of the title compounds (III) and (V) are synthesized via iodosobenzene bis(trifluoroacetate) promoted cyclocondensation reactions.
ChemInform Abstract: Synthesis, Characterization and Evaluation of Antimicrobial Activity of Some Novel 1,2,4‐Triazoles and 1,3,4‐Thiadiazoles Bearing Imidazole Nucleus.
Authors: Aouad Mohamed Reda , Rezki Nadjet , Kasmi Mohamed , Aouad Linda , Rezki Merieme A. 
Published: August 2012

AbstractThe antimicrobial activity data of the new compounds reveal that derivatives bearing a triazole moiety exhibit better antibacterial activity compared to the thiadiazole substituent.
ChemInform Abstract: Facile Synthesis, Characterization and Pharmacological Activities of 3,6‐Disubstituted 1,2,4‐Triazolo[3,4‐b][1,3,4]thiadiazoles and 5,6‐Dihydro‐3,6‐disubstituted‐1,2,4‐triazolo[3,4‐b][1,3,4]thiadiazoles.
Authors: Chidananda N. , Poojary Boja , Sumangala V. , Kumari N. Suchetha , Shetty Prashanth , Arulmoli T. 
Published: August 2012

AbstractTwo new series of compounds, triazolothiadiazoles (V) and (VIII) are synthesized by cyclocondensation of dihydrotriazolethione (III) with aromatic carboxylic acids (IV) and by reaction of (III) with aromatic aldehydes (VI) yielding the open chain hydrazones (VII) which undergo intramolecular Mannich reaction in the presence of toluenesulfonic acid.
ChemInform Abstract: Copper(I)‐Catalyzed Hydroalkoxylation/Hydrogen‐Bonding‐Induced Asymmetric Hetero‐Diels—Alder Cycloaddition Cascade: An Approach to Aromatic Spiroketals.
Authors: Li Xin , Xue Jijun , Huang Chusheng , Li Ying 
Published: August 2012

AbstractUnder optimized conditions, o‐(hydroxypropynyl)phenols (I) react with o‐(acetoxymethyl)phenols (II) to give spiro[benzofuran‐2,2′‐benzopyran] derivatives (III) with <20:1 diastereoselectivity in all cases for the cis‐isomers.
ChemInform Abstract: Palladium‐Catalyzed Oxidative Double C—H Functionalization/Carbonylation for the Synthesis of Xanthones.
Authors: Zhang Hua , Shi Renyi , Gan Pei , Liu Chao , Ding Anxing , Wang Qiuyi , Lei Aiwen 
Published: August 2012

AbstractXanthones with different functional groups (III) are obtained by reaction of diarylethers (I) with carbon monoxide in the presence of a simple catalytic system consisting of Pd(OAc)2, K2S2O8, and trifluoroacetic acid.
ChemInform Abstract: Molecular Scaffolds with Remote Directing Groups for Selective Palladium‐Catalyzed C—H Bond Functionalizations.
Authors: Stache Erin E. , Seizert Curtis A. , Ferreira Eric M. 
Published: August 2012

AbstractIn aminals such as (III) derived from L‐proline, a proximal relationship is established by the bicyclic moiety with syn‐orientation between the pyridyl directing group and the aromatic or aliphatic group originating from the aldehyde.
ChemInform Abstract: Direct Oxidative Arylation via Rhodium‐Catalyzed C—C Bond Cleavage of Secondary Alcohols with Arylsilanes.
Authors: Chen Kang , Li Hu , Li Yang , Zhang Xi‐Sha , Lei Zhi‐Quan , Shi Zhang‐Jie 
Published: August 2012

AbstractUnder optimized conditions using AgF as oxidant, 1,1‐biarylmethanols bearing a pyridyl directing group undergo a Rh(III)‐catalyzed C—C cleavage and subsequent coupling with arylsilanes to give (biphenyl)pyridine derivatives.
ChemInform Abstract: New Synthesis of Pyrvinium that Inhibits the β‐Catenin/TCF4 Pathway.
Authors: Mao Yongjun , Lin Nan , Tian Wang , Huang Ziwei , An Jing 
Published: August 2012

AbstractThe method uses easily available materials and simple reactions, including the key Friedlaender condensation, to assemble the quinoline ring.
ChemInform Abstract: A Catalytic Multicomponent Approach for the Stereoselective Synthesis of cis‐4,5‐Disubstituted Pyrrolidinones and Tetrahydro‐3H‐pyrrolo[3,2‐c]quinolines.
Authors: Roy Sudipta , Reiser Oliver 
Published: August 2012

AbstractThe reaction of a furancarbaldehyde, an aniline, and cyclopropanated pyrrole (I) affords cis‐5‐furyl‐4‐quinolyl‐substituted pyrrolidinones with excellent stereoselectivity.
ChemInform Abstract: Conventional and Microwave‐Assisted Synthesis of Pyrazole Derivatives and Screening of Their Antibacterial and Antifungal Activities.
Authors: Mistry B. D. , Desai K. R. , Patel J. A. , Patel N. I. 
Published: August 2012

AbstractThree series of novel quinolylpyrazole derivatives (IV), (VI) and (VIII) are synthesized by condensation reactions of propenone derivatives (III) with hydrazine or semicarbazide derivatives under conventional heating or microwave irradiation conditions.
ChemInform Abstract: Isoquinoline Derivatives as Potent CRTH2 Receptor Antagonists: Synthesis and SAR.
Authors: Nishikawa‐Shimono Rie , Sekiguchi Yoshinori , Koami Takeshi , Kawamura Madoka , Wakasugi Daisuke , Watanabe Kazuhito , Wakahara Shunichi , Matsumoto Kayo , Takayama Tetsuo 
Published: August 2012

AbstractThe most potent compound, TASP0376377 (I) shows good CRTH2 antagonist potency, as well as sufficient selectivity for binding to CRTH2 over the DP1 prostanoid receptor and COX‐1 and COX‐2 enzymes.
ChemInform Abstract: Ultrasound‐Promoted One‐Pot Three‐Component Synthesis of Novel 7‐Aryl‐8H‐benzo[h]indeno[1,2‐b]quinolin‐8‐ones under Solvent‐Free Conditions.
Authors: Mamaghani Manouchehr , Larghani Tahere Hosseyni 
Published: August 2012

Abstract10 Title compounds of type (IV) are prepared by a one‐pot three‐component reaction using ultrasound irradiation.
ChemInform Abstract: Skraup‐Like Cyclization of Polyfluoro‐2‐naphthylamines: Vicarious Electrophilic Substitution of Fluorine.
Authors: Selivanova Galina A. , Reshetov Alexey V. , Bagryanskaya Irina Yu , Shteingarts Vitalij D. 
Published: August 2012

AbstractThis rare fluorine substitution process putatively proceeds via the mechanism of vicarious electrophilic substitution.
ChemInform Abstract: A Novel Pathway to Imidazo[1,2‐a]pyridines. Access Through Imino Pyridinium Salts.
Authors: Neue Benedikt , Froehlich Roland , Wuerthwein Ernst‐Ulrich 
Published: August 2012

AbstractThe electrocyclization reaction of imino pyridinium salts (III) yields imidazopyridines (IV) or (V).
ChemInform Abstract: New Efficient Synthesis of 5,6‐Disubstituted‐3‐phenyl‐1,2,3‐triazolo[4,5‐d]pyrimidin‐7‐ones via a Tandem Aza‐Wittig Reaction.
Authors: Wang Tao , Ke Xi Xian , Zhou Shui Tao , Chen Hui Zong 
Published: August 2012

AbstractMost of the title compounds (VI) (12 examples) possess good herbicidal activity against the roots and stalk of rape and barnyard grass.
ChemInform Abstract: First Representative of 6b,9‐Epoxyisoindolo[2,1‐a]quinazoline‐10‐carboxylic Acids.
Authors: Zaytsev V. P. , Zubkov F. I. , Motorygina E. L. , Gorbacheva M. G. , Nikitina E. V. , Varlamov A. V. 
Published: August 2012

AbstractAcylation of quinazolinones (IV) with maleic anhydride in refluxing toluene is accompanied by a spontaneous exo‐[4 + 2] cycloaddition to furnish the title compounds (IV) as single diastereomers.
ChemInform Abstract: Cytotoxicity and anti‐HIV Evaluations of Some New Synthesized Quinazoline and Thioxopyrimidine Derivatives Using 4‐(Thiophen‐2‐yl)‐3,4,5,6‐tetrahydrobenzo[h]quinazoline‐2(1H)‐thione as Synthon.
Authors: Mohamed Yahia A. , Amr Abd El‐Galil E. , Mohamed Salwa F. , Abdalla Mohamed M. , Al‐Omar Mohamed A. , Shfik Samira H. 
Published: August 2012

AbstractA series of dihydrobenzo[h]quinazoline derivatives is synthesized starting from compounds (I), (IX) or (XVII).
ChemInform Abstract: Synthesis and Antibacterial Evaluation of Benzazoles Tethered Dihydro[1,3]oxazines.
Authors: Prasad Davinder , Rohilla Rajesh Kumar , Roy Nilanjan , Nath Mahendra 
Published: August 2012

AbstractA variety of novel benzazoles tethered oxazines are synthesized via three‐component one‐pot Mannich type condensation—cyclization reactions of substituted phenols or β‐naphthol with formaldehyde and benzazolylphenylamines.
ChemInform Abstract: A Novel and Highly Efficient Protocol for the Synthesis of Chalcone Based 1,2‐Diazepine and 1,2‐Oxazepine Derivatives.
Authors: Babu B. Venkata , Ahmed Naseem 
Published: August 2012

AbstractThe mixing and grinding of 1,5‐diketones (III) with hydrazine affords the title compounds (IV) in high yields within 10 ‐ 20 min.
ChemInform Abstract: Unprecedented Temperature‐Dependent Formation of 3‐ and 7‐Methyl‐3H‐azepine Derivatives by the Reaction of o‐Nitrotoluene with Tributylphosphine in Nucleophilic Media.
Authors: Ulfa Siti Mariyah , Okamoto Hideki , Satake Kyosuke 
Published: August 2012

AbstractThe reaction of o‐methylphenylnitrene in the presence of alcohol (II) and amine (V) is expected to give isomeric pairs of 3‐and 7‐methyl‐3H‐azepine derivatives (III)/(IV) and (VI)/(VII).
ChemInform Abstract: Medium‐Sized Rings versus Macrocycles Through Rhodium‐Catalyzed Ring‐Expansion Reactions of Cyclic Acetals.
Authors: Ballesteros‐Garrido Rafael , Rix Diane , Besnard Celine , Lacour Jerome 
Published: August 2012

AbstractUnprecedented polyoxygenated 8‐ and 9‐membered rings are synthesized in one pot by reaction of various α‐diazo β‐ketoesters and diketones with cyclic acetals.