bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: A Facile Synthesis of Triazocinones and Oxadiazocinones.
Authors: DANIEL J. , DHAR D. N. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Design and Synthesis of Carboranyl Peptides as Carriers of 1,2‐ Dicarbadodecarborane Clusters.
Authors: LEUSCH A. , JUNGBLUT P. W. , MORODER L. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: New Skeletally Stabilized Silazanes and Siloxazanes.
Authors: PROUT T. R. , THOMPSON M. L. , HALTIWANGER R. C. , SCHAEFFER R. , NORMAN A. D. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Cyclotetrasilazanes as Precursors of Cyclotrisilazanes and Bis( cyclodisilazan‐1‐yl)silanes.
Authors: WERNER E. , KLINGEBIEL U. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: J‐Aggregates of 4‐Iodo‐bis(dimethylamino)heptamethine Triiodide. Synthesis, Structure, and Optical Properties.
Authors: DAEHNE L. , GRAHN W. , TANAKA C. , KAWAMOTO A. , TANAKA J. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Bicyclo(3.2.1)octenones as Building Blocks in Natural Products Synthesis. Part 2. Formal Synthesis of (.+‐.)‐Verbenalol.
Authors: CHANG C.‐P. , HSU L.‐F. , CHANG N.‐C. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Reactions of α‐Substituted Glycine Derivatives with Stannanes in the Presence of Disulfides.
Authors: EASTON C. J. , PETERS S. C. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Synthesis and Evaluation as Irreversible Glycosidase Inhibitors of Mono‐ and Oligo(glycosylthio)benzoquinones.
Authors: SCHNABELRAUCH M. , VASELLA A. , WITHERS S. G. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Total Synthesis and Determination of the Absolute Configuration of Epibatidine.
Authors: FLETCHER S. R. , BAKER R. , CHAMBERS M. S. , HERBERT R. H. , HOBBS S. C. , THOMAS S. R. , VERRIER H. M. , WATT A. P. , BALL R. G. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Efficient Synthesis of Fused Isothiazole C‐Nucleosides. Part 2. Synthesis of 8‐Aza‐7,9‐deaza‐7‐thiaguanosine and 8‐Aza‐7,9‐deaza‐7‐ thiaadenosine.
Authors: WAMHOFF H. , BERRESSEM R. , NIEGER M. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: How Does the Electronegativity of the Substituent Dictate the Strength of the Gauche Effect?
Authors: THIBAUDEAU C. , PLAVEC J. , GARG N. , PAPCHIKHIN A. , CHATTOPADHYAYA J. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Amino Acids and Peptides. Part 93. The Total Synthesis of Eponemycin ( I).
Authors: SCHMIDT U. , SCHMIDT J. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Recrystallization of Electrodeposited Copper Indium Diselenide Thin Films in an Atmosphere of Elemental Selenium.
Authors: GUILLEMOLES J. F. , LUSSON A. , COWACHE P. , MASSACCESI S. , VEDEL J. , LINCOT D. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: The Chemistry of Chelates with N‐Alkylated Amino Acids
Authors: PAULIC N. , RAOS N. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: The Design and Preparation of Transition Metal Triad Systems for Excited‐State Charge Separation.
Authors: PETERSEN J. D. , GAHAN S. L. , RASMUSSEN S. C. , RONCO S. E. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Tailor Made Coordination Compounds for Photochemical Purposes.
Authors: VON ZELEWSKY A. , BELSER P. , HAYOZ P. , DUX R. , HUA X. , SUCKLING A. , STOECKLI‐EVANS H. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: The Copper‐Catalyzed Reaction of Dimethylamine with Silicon
Authors: LEWIS K. K. , TAN B. K. C. , CHILDRESS T. E. , MCLEOD D. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: 5‐(Hydroxymethyl)furfural Syntheses and Chemical Transformations
Authors: COTTIER L. , DESCOTES G. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Synthesis and Susceptibility to Enzymes of Pullulan Derivatives.
Authors: BALL D. H. , RESSE E. T. , STENHOUSE P. J. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Chirality Recognition by a Clay Surface Modified with an Optically Active Metal Chelate
Authors: YAMAGISHI A. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Conductance Measurements of Mixed Electrolytes
Authors: SINGH R. , SINGH A. K. , UPADHYAY G. S. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Non‐Bonding Molecular Orbitals and the Chemistry of Non‐Classical Organic Molecules
Authors: RAMSDEN C. A. 
Published: September 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: New Noncentrosymmetric Tellurite Phosphate Material: Synthesis, Characterization, and Calculations of Te2O(PO4)2.
Authors: Kim Min Kyung , Kim Sang‐Hwan , Chang Hong‐Young , Halasyamani P. Shiv , Ok Kang Min 
Published: September 2010

AbstractThe title compound is prepared by solid state reaction of TeO2 and P4O10 (evacuated silica tube, 550 °C, 24 h).
ChemInform Abstract: Bulky Cations and Four Different Polyiodide Anions in [Lu(Db18c6)(H2O)3(thf)6] 4(I3)2(I5)6 (I8)(I12).
Authors: Walbaum Christine , Pantenburg Ingo , Junk Peter , Deacon Glen B. , Meyer Gerd 
Published: September 2010

AbstractSingle crystals of the title compound (Db18c6: dibenzo‐18‐crown‐6) are grown by reaction of Lu metal with I2 in THF (25 °C, ≈12 h) followed by addition of the crown ether.
ChemInform Abstract: [NH3(CH2)6NH3] [P2V5O17]·3.83H2O: A New 3D Organic‐Templated Vanadophosphate with Extra‐Large 16‐Membered Ring Constructed from Nanosized P—O—V Wheels.
Authors: Zhang Zhibin , Xu Yan , Zheng Lei , Zhu Dunru 
Published: September 2010

AbstractTitle compound (II) crystallizes in the cubic space group Im$\bar 3$m with Z = 24 (single crystal XRD).
ChemInform Abstract: A3V5O14 (A: K+, R+, or Tl+), New Polar Oxides with a Tetragonal Tungsten Bronze Related Structural Topology: Synthesis, and Functional Properties.
Authors: Yeon Jeongho , Kim Sang‐Hwan , Halasyamani P. Shiv 
Published: September 2010

AbstractThe title compounds are prepared by solid state reaction of V2O5 with KNO3, RbNO3, or Tl2CO3 (air, 380 °C, 4 d).
ChemInform Abstract: A Water Sensitive Hydrate: The Bis‐Catena Complex Salt [Mn(H2O)6] [BiI4]2·2H2O.
Authors: Erbe Manuela , Koehler Daniel , Ruck Michael 
Published: September 2010

AbstractBright red single crystals of the title compound are obtained from a water‐free EtOH solution of MnI2, BiI3, and I2 upon exposure to humid air.
ChemInform Abstract: Axial [6,6′‐(2,4‐Pentadioxy)]‐1,1′‐biphenyl‐2,2′‐diamine (PD‐BIPHAM): Practical Synthesis and Applications in Asymmetric Hydrogenation.
Authors: Wang Chun‐Jiang , Xu Zhong‐Ping , Wang Xiang , Teng Huai‐Long 
Published: September 2010

AbstractThe application of the title compound as new ligand in the Rh(I)‐catalyzed asymmetric hydrogenation of α‐dehydroamino acid esters results in complete conversion and excellent enantioselectivities of ring substituted phenylalanine derivatives (II) and alanine ester (IV).
ChemInform Abstract: An Efficient Iron‐Catalyzed Carbon—Carbon Single‐Bond Cleavage via Retro‐Claisen Condensation: A Mild and Convenient Approach to Synthesize a Variety of Esters or Ketones.
Authors: Biswas Srijit , Maiti Sukhendu , Jana Umasish 
Published: September 2010

AbstractAn efficient, mild, and inexpensive iron(III) mediated C—C bond cleavage reaction for the synthesis of esters or ketones under solvent‐free conditions is reported.
ChemInform Abstract: Direct Method for Carbon—Carbon Bond Formation: The Functional Group Tolerant Cobalt‐Catalyzed Alkylation of Aryl Halides.
Authors: Amatore Muriel , Gosmini Corinne 
Published: September 2010

AbstractDirect alkylation of electron‐poor aryl bromides and chlorides with alkyl bromides is smoothly achieved using a Co(II)—phosphane catalyst.
ChemInform Abstract: Remarkably Mild and Efficient Cetrimonium Bromide Catalyzed Friedel—Crafts Amidoalkylation of Sesamols with N‐Boc Imines Generated in situ in Aqueous Medium.
Authors: Zhang Hui , Chen Ming‐Gui , Lian Chun‐Xia , Yuan Wei‐Cheng , Zhang Xiao‐Mei 
Published: September 2010

AbstractThe regioselective process is successfully applied to sesamol (I) and its derivatives (VI).
ChemInform Abstract: Cationic Pd(II)‐Catalyzed Fujiwara—Moritani Reactions at Room Temperature in Water.
Authors: Nishikata Takashi , Lipshutz Bruce H. 
Published: September 2010

AbstractThe ortho‐directed C—H activation reaction of a variety of anilides with acrylate esters affords electron‐rich cinnamates in good yields.
ChemInform Abstract: Stereoselective Chlorination of New Type Baylis—Hillman Adducts by Bis(trichloromethyl)carbonate with the Aid of Catalytic Amount of Triphenylphosphine Oxide.
Authors: Zhong Weihui , Hong Lingjuan , Zheng Yemin 
Published: September 2010

AbstractThe new method for the preparation of allyl chlorides is a convenient operational procedure yielding the products with high stereoselectivity.
ChemInform Abstract: Palladium‐Catalyzed Reductive Homocoupling of Aromatic Halides and Oxidation of Alcohols.
Authors: Zeng Minfeng , Du Yijun , Shao Linjun , Qi Chenze , Zhang Xian‐Man 
Published: September 2010

AbstractTreatment of phenyl iodide and bromide as well as iodopyridine and bromopyridine with 3‐pentanol, CsF, and PdCl2(dppf) is found to result in the formation of biaryls.
ChemInform Abstract: Highly Recyclable Chemo‐/Biocatalyzed Cascade Reactions with Ionic Liquids: One‐Pot Synthesis of Chiral Biaryl Alcohols.
Authors: Gauchot Vincent , Kroutil Wolfgang , Schmitzer Andreea R. 
Published: September 2010

AbstractThe following is crucial for the success of the one‐pot preparation of the cascade sequence, leading to the biaryl alcohols: use of 1 equiv.
ChemInform Abstract: Chiral Phosphoric Acid Catalyzed Diastereo‐ and Enantioselective 1,4‐Conjugate Addition of β‐Ketoesters to Nitroolefins.
Authors: Zhang Hui , Cun Lin‐Feng , Zhang Xiao‐Mei , Yuan Wei‐Cheng 
Published: September 2010

AbstractThe corresponding adducts (III) are obtained in high yields and with moderate diastereoselectivities and enantioselectivities.
ChemInform Abstract: Tandem 1,5‐Hydride Shift/1,5‐S,N‐Cyclization with Ethylene Extrusion of 1,3‐Oxathiolane‐Substituted Ketenimines and Carbodiimines. An Experimental and Computational Study.
Authors: Alajarin Mateo , Bonillo Baltasar , Sanchez‐Andrada Pilar , Vidal Angel 
Published: September 2010

AbstractUpon heating ketenimines of type (III) and carbodiimines derived from isocyanates (VIII) undergo unexpected transformation into benzisothiazolones via 1,5‐hydride shift, 1,5‐electrocyclization, and [3 + 2] cycloreversion.
ChemInform Abstract: Enantioselective Aza‐Diels—Alder Reaction of Brassard′s Diene with Aldimines Catalyzed by Chiral N,N′‐Dioxide—Yb(OTf)3 Complex.
Authors: Chen Zhenling , Lin Lili , Chen Donghui , Li Jiangting , Liu Xiaohua , Feng Xiaoming 
Published: September 2010

AbstractThe reaction is optimized with respect to the catalyst and used for the synthesis of α,β‐unsaturated δ‐lactams as precursors of highly functionalized piperidines.
ChemInform Abstract: Synthesis and Biological Activity of the Calcium Modulator (R) and (S)‐3‐Methyl 5‐Pentyl 2,6‐Dimethyl‐4‐(3‐nitrophenyl)‐1,4‐dihydropyridine‐3,5‐dicarboxylate.
Authors: Zhang Bang‐le , He Wei , Shi Xin , Huan Meng‐lei , Huang Qiu‐ju , Zhou Si‐yuan 
Published: September 2010

AbstractTitle compounds (VI) are synthesized in high optical purities via resolution of the racemic dihydropyridine (IV) using commercially available Cinchona alkaloids as resolving agents.
ChemInform Abstract: Rhodium‐Catalyzed Oxidative Coupling/Cyclization of 2‐Phenylindoles with Alkynes via C—H and N—H Bond Cleavages with Air as the Oxidant.
Authors: Morimoto Keisuke , Hirano Koji , Satoh Tetsuya , Miura Masahiro 
Published: September 2010

AbstractDialkylacetylenes (X) react in an unexpected way: the required coupling product is only produced in a minor amount.
ChemInform Abstract: An Efficient Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones Catalyzed by Thiamine Hydrochloride in Water under Ultrasound Irradiation.
Authors: Mandhane Priyanka G. , Joshi Ratnadeep S. , Nagargoje Deepak R. , Gill Charansingh H. 
Published: September 2010

AbstractThe alternative procedure is of interest from an environmental and economic viewpoint.
ChemInform Abstract: Molecular Iodine Mediated One‐Step Synthesis of 3‐Substituted‐6‐(6‐substituted‐2‐oxochromen‐3‐yl)‐7H[1,2,4]triazolo [3,4‐b][1,3,4]thiadiazines.
Authors: Jakhar Anshu , Makrandi Jagdish K. 
Published: September 2010

AbstractThe iodine‐catalyzed condensation between 3‐acetyl‐coumarin and 4‐amino‐5‐mercapto‐1,2,4‐triazoles occurs in a single step and avoids the use of lachrymatory molecular bromine used in previously reported procedures.
ChemInform Abstract: Copper‐Catalyzed Diboration of Ketones: Facile Synthesis of Tertiary α‐Hydroxyboronate Esters.
Authors: McIntosh Melissa L. , Moore Cameron M. , Clark Timothy B. 
Published: September 2010

AbstractThe in‐situ generation of the (ICy)CuOtBu catalyst from (ICy)CuCl and NaOtBu provides convenient reaction conditions to achieve the high catalyst efficiency.
ChemInform Abstract: Vinylogous Aldol Products from Chiral Crotylsilanes Obtained by Enantioselective Rh(II) and Cu(I) Carbenoid Si—H Insertion.
Authors: Wu Jie , Chen Yu , Panek James S. 
Published: September 2010

AbstractChiral homoallylic ethers, bearing a α,β‐unsaturated ester or silyl ether moiety, are prepared with moderate to high syn‐selectivity via the crotylation reaction of chiral silanes, aldehydes and trimethylalkoxysilanes.
ChemInform Abstract: Enantioselective Synthesis of β‐Trifluoromethyl α‐Amino Acids.
Authors: Benhaim Cyril , Bouchard Luc , Pelletier Guillaume , Sellstedt John , Kristofova Livia , Daigneault Sylvain 
Published: September 2010

AbstractThe structure of the chiral catalysts is essential for the enantioselective hydrogenation of either (Z)‐alkyl or (Z)‐aryl trifluoroamidoenoates.
ChemInform Abstract: Recyclable Indium(III) Chloride Catalyzed Site‐Selective Double Substitution in One‐Pot for the Synthesis of Isatin N‐Ribonucleosides under Microwave Irradiation.
Authors: Siddiqui Ibadur R. , Singh Archana , Shamim Shayna , Srivastava Vishal , Singh Pravin K. , Yadav Sanjay , Singh Rana K. P. 
Published: September 2010

AbstractThe method affords the target compounds (III), which are of interest as antiviral nucleoside analogues, in a short time with good to excellent yield.
One‐Dimensional Modeling and Simulation of Bubble Column Reactors
Authors: Jung S. , Becker M. , Agar D. W. , Franke R. 
Published: September 2010

AbstractFür eine praktische Auslegung von Blasensäulen im (halb)technischen Maßstab existieren in der Fachliteratur bisher nur wenige Reaktormodelle. Durch Implementierung eines eindimensionalen Modells in die gleichungsorientierte Simulationssoftware ASPEN Custom ModelerTM wird ein Kompromiss aus Modellgenauigkeit und Berechnungsaufwand erreicht. Die Vorgänge in einem Blasensäulenreaktor werden mit hinreichender Genauigkeit quantitativ beschrieben.
Sustainability of Solid Waste Recycling Processes – Case Study: Scrap Tire Recycling
Authors: Pehlken A. , Thoben K.‐D. 
Published: September 2010

AbstractRohstoffsicherung gehört zu den Schwerpunktthemen der Europäischen Kommission. Durch sinnvoll eingesetztes Recycling können Ressourcen aus Abfallstoffen nicht nur langfristig genutzt werden sondern auch Primärrohstoffe substituieren und damit einen Betrag zum nachhaltigen Ressourcenmanagement leisten. Die Thematik wird am Beispiel des Altreifenrecyclings und der daraus entstehenden Materialströme behandelt.
Photoaddition of chloroform to ketones via a singlet exciplex: A photo‐CIDNP study
Authors: Zhang Mao‐Xi , Yang Li , Liu Zhong‐Li , Liu You‐Cheng 
Published: September 2010

AbstractPhotolysis of 4‐acetyl‐4‐ethoxyformylcyclohexanone, 4‐acetyl‐4‐phenylcyclohexanone and 1‐acetyl‐1‐phenylcyclohexane in deuteriochloroform using a high pressure Hg—Xe lamp showed unusual polarizations. The results are explained by the formation of a singlet exciplex of the ketone with deuteriochloroform and the photoaddition of deuteriochloroform to the ketone.
Studies on sulfinatodehalogenation XIX. The reaction of perfluoroalkyl iodides and perfluoroalkanesulfonyl bromides with conjugated dienes
Authors: Huang Wei‐Yuan , Zhang Han‐Zhong 
Published: September 2010

AbstractPerfluoroalkyl iodides reacted with conjugated dienes in aqueous acetonitrile solution in the presence of sodium dithionite at room temperature to give dimerization products, whereas, perfluoroalkanesulfonyl bromides reacted with conjugated dienes to form 1,4‐adducts under actinic irradiation.
The synthesis of polyfluoroalkoxylbenzaldehydes
Authors: Huang Wei‐Yuan , Ma Wu‐Ping 
Published: September 2010

AbstractSeveral polyfluoroalkoxyl benzaldehydes were synthesized from the nucleophilic reaction between polyfluoroalkanesulfonate and various sodium phenolates with cetyltrimethylammonium bromide or tetrabutylammonium bromide as PTC. The yields were in the range of 55%–70%. Using a modified procedure Cl(CF2)2SO2Cl was prepared from ClCF2CF2I with an improved yield of 91% and was used to synthesize the polyfluoroalkanesulfonate 2'.
The pentacyclic steroidal constituents of Tacca plantaginea: taccalonolide E and F
Authors: Shen Ji‐Hui , Chen Zhong‐Liang , Gao Yi‐Sheng 
Published: September 2010

AbstractTwo pentacyclic steroidal bitter principles, taccalonolide E and F, have been isolated from Tacca Plantaginea. Their structures were elucidated by spectroscopic methods.