bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: A New Method for the Preparation of Isothiocyanates from Amines Using 1,1′‐(Thiocarbonyldioxy)dibenzotriazole.
Authors: CHANG H. , KIM S. 
Published: May 2016

AbstractThe title compound (III) reacts with the amines (IV) under mild conditions to afford the isothiocyanates (VI).
ChemInform Abstract: Derivatives of 4‐(p‐tert‐Butylbenzoyl)phenol with Antifungal Phytoiatric Activity.
Authors: MASSOLINI G. , CARMELLINO M. L. 
Published: May 2016

AbstractThe benzophenone (III), prepared by Friedel‐Crafts acylation of anisol (II) with (I), reacts with the alkyl halides (IV), the acyl chlorides (VI) or the isocyanates (VIII) to produce the O‐substituted derivatives (V), (VII), and (IX).
ChemInform Abstract: Reaction of 1‐Aminoanthraquinone and Its Derivatives with Aryl and Alkyl Isocyanates.
Authors: LOSKUTOV V. A. , SAVEL'EV V. A. 
Published: May 2016

AbstractThe reactions of 1‐aminoanthraquinone (Ia), its 2‐substituted derivatives (Ib) and its 4‐substituted derivatives (Ic) with the aryl or alkyl isocyanates (II) afford the anthraquinonylureas (III) or the anthraquinonylbiurets (IV) (via (III) or directly from (I)), depending on the reaction conditions.
ChemInform Abstract: Correlation of the Two Torsional Degrees of Freedom About the Bonds Connecting the Bridgehead Carbons to the Sulfur Atom in Bis(9‐triptycyl) Sulfide.
Authors: KAWADA Y. , ISHIKAWA J. , YAMAZAKI H. , KOGA G. , MURATA S. , IWAMURA H. 
Published: May 2016

AbstractThe triptycyl bromides (I) are lithiated and then sulfurized to give the thiols (II) which are converted to the disulfides (III).
ChemInform Abstract: Simple and Condensed β‐Lactams. Part 8. The Preparation and Reactions of Some 4‐Oxoazetidin‐2‐ylacetic Acid Derivatives, and a Synthesis of p‐Nitrobenzyl (5RS,6SR)‐2‐(2‐Formylaminoethylthio)‐6‐(2‐methyl‐1,3‐dioxolan‐2‐yl)carbapen‐2‐em‐3‐carboxylate, a Compound Related to the Antibiotic Thienamycin.
Authors: FETTER J. , LEMPERT K. , KAJTAR‐PEREDY M. , BUJTAS G. , SIMIG G. 
Published: May 2016

AbstractPhotolysis of the diazomethyl ketones (I) in the presence of PhSH (II) or EtOH (III) gives the thioacetates (IVa) or the acetates (IVb).
ChemInform Abstract: Inter‐ and Intramolecular Dialkoxycarbonylation of 3‐Butenols Catalyzed by Palladium(II).
Authors: TAMARU Y. , HOJO M. , YOSHIDA Z. 
Published: May 2016

AbstractThe homoallylic alcohols (I) undergo twofold carbonylation in the presence of propylene oxide (II) or tetramethylurea (III), yielding the γ‐lactones (IV).
ChemInform Abstract: Reaction of Dilithiated 1,2‐Diesters with β‐Bromoethyloxirane. Synthesis of Annelated γ‐Lactones.
Authors: GARRATT P. J. , PORTER J. R. 
Published: May 2016

AbstractThe cyclic 1,2‐dicarboxylates (I) are treated with LDA to give the dienolates (II) which react with the bromoethyloxirane (III), producing the tricyclic lactones (IV).
ChemInform Abstract: Michael Addition Reactions of Unsaturated Esters with Lithium Enolates Derived from Vinylogous Urethanes.
Authors: SCHLESSINGER R. , LIN P. , POSS M. , SPRINGER J. 
Published: May 2016

AbstractReaction of the lithium enolate of (II) with dimethyl maleate (Ia) and dimethyl fumarate (Ib) yields the adducts (III) and (IV).
ChemInform Abstract: Irreversible Tagging of Opioid Receptors by Means of Aryldiazonium Salts Derived from Fentanyl.
Authors: GALZI J. L. , ILIEN B. , SIMON E. J. , GOELDNER M. , HIRTH C. 
Published: May 2016

AbstractThe anilines (I) react with chloroacetone (II), yielding the N‐substituted derivatives (III) which are coupled with the piperidine (IV) and then reduced to produce the 1,2‐diaminopropanes (V).
ChemInform Abstract: Bicycloannulation of 3‐Indolylenamines with Cyclohexenone: A Facile Preparation of Potential Neurotransmitter Analogs.
Authors: SCHLECHT M. F. , GIANDINOTO S. 
Published: May 2016

AbstractThe indolylenamines (III), prepared from indole‐3‐acetaldehyde (I) and the cyclic amines (II), are coupled with the cyclohexenone (IV) to produce the bicyclic ketones (V) ‐ (VII).
ChemInform Abstract: 2H‐1,4‐Benzoxazines Substituted at the 3‐Position with a Dialkylamino Group.
Authors: BALBI A. , FERRECCIO R. , MAZZAI M. , ERMILI A. , ROMA G. 
Published: May 2016

AbstractThe 1,4‐benzoxazine‐2‐carboxamides (VI) are prepared by cyclization of the aminophenoxymalonamides (V) in the presence of phosphorus oxychloride.
ChemInform Abstract: The Reaction of Acylium Salts with Dialkylcyanamides.
Authors: AL‐TALIB M. , TASHTOUSH H. 
Published: May 2016

AbstractThe dialkylcyanamides (I) react with the acyl chlorides (II) or (V) in the presence of the Lewis catalysts (III), producing the 1,3,5‐oxadiazinium salts (IV) or (VI).
ChemInform Abstract: Thermal Base‐Induced Rearrangement of a Pyridinium Salt to an Azepine.
Authors: KATRITZKY A. R. , AURRECOECHEA J. M. , QUIAN K. , KOZIOL A. E. , PALENIK G. J. 
Published: May 2016

AbstractTreatment of the pyridinium tetrafluoroborate (I) with sodium hydride yields the azepine (II) as a result of ring expansion, together with the pyridine (III).
ChemInform Abstract: Ring Enlargement by Fragmentation Reaction: Transformation of 2‐Aminomethyl‐2‐(3‐hydroxypropyl)cyclododecanone to 12‐Methylene‐15‐pentadecanolide.
Authors: MILENKOV B. , GUGGISBERG A. , HESSE M. 
Published: May 2016

AbstractThe cyanoaldehyde (I) is reduced and then hydrogenated to yield the aminoalcohol (III).
ChemInform Abstract: Synthesis of Alkyl(4,4‐dichloro‐1‐methyl‐1,3‐butadienyloxy)silanes.
Authors: SHCHEPIN V. V. , RUSSKIKH N. YU. , LAPKIN I. I. 
Published: May 2016

AbstractThe title compounds (III) and (V) are synthesized by treating the ketone (I) with the chlorosilane (II) or the dichlorosilanes (IV) in the presence of zinc.
ChemInform Abstract: Synthesis of 2‐Vinyl‐1,3‐diols via Highly Stereoselective Reduction of 2‐Vinyl Aldols Using Trimethylsilyl Stereo‐Directing Group.
Authors: SUZUKI K. , SHIMAZAKI M. , TSUCHIHASHI G. 
Published: May 2016

AbstractThe synthesis of the 2‐vinyl‐1,3‐diols (III) and (IV) and the isomeric compounds (VII) ‐ (X) is achieved starting with the unsaturated epoxides (I) or (V).
ChemInform Abstract: Reaction of 1,4‐Dilithio‐1,4‐dihydronaphthalene with Vinylmethyldichlorosilane.
Authors: KARCHKHADZE M. G. , TKESHELASHVILI R. SH. , KHANANASHVILI L. M. , CHOBONIANI N. I. 
Published: May 2016

AbstractReaction of the title compounds (I) and (II) leads to the formation of the disilyl compound (III), together with the products (IV), formed by subsequent partial hydrolysis and condensation.
ChemInform Abstract: Intramolecular Ene Reaction: The Use of 1,7‐Enynes in the Synthesis of Hydroxylated Methylenecyclohexane Derivatives.
Authors: FICINI J. , BARBARA C. , DESMAELE D. , OUERFELLI Q. 
Published: May 2016

AbstractPyrolysis of the alkenylacetylenes (I) yields the methylenecyclohexanes (II).
ChemInform Abstract: Novel Synthesis of 2‐Siloxazolidines by 1,5‐Elimination from 1‐(Trimethylsiloxy)‐2‐(N‐substituted‐N‐(methoxydimethylsilyl)amino)ethanes.
Authors: KIM C. H. , LEE M. E. , PAE D. H. 
Published: May 2016

AbstractThe vacuum sealed tube thermolyses of the linear title compounds (IIb)‐(IId), prepared as shown in the scheme, give the heterocyclic title compounds (IIIb)‐(IIId) by 1,5‐elimination of trimethylmethoxysilane.
ChemInform Abstract: Half‐Sandwich Complexes of Manganese with the Trifluoromethyl Isocyanide Ligand. The Relative π‐Acceptor Ability of the Trifluoromethyl Isocyanide Ligand.
Authors: LENTZ D. , KROLL J. , LANGNER C. 
Published: May 2016

AbstractStarting with the tricarbonyl complex (I) the trifluoromethyl isocyanide complex (III) is synthesized via the derivative (II).
ChemInform Abstract: Organotransition‐Metal Metallacarboranes. Part 8. Mono‐, Di‐, and Triiron Polyarene Sandwich Complexes of Et2C2B4H2‐ 4 Containing Fluorene, 9,10‐Dihydroanthracene, or (2.2)Paracyclophane Ligands.
Authors: SPENCER J. T. , GRIMES R. N. 
Published: May 2016

AbstractNew air‐stable crystalline mixed‐ligand carborane‐iron‐polycyclic arene complexes such as (V), (VI), and (VII) are prepared by converting the nido‐carborane (I) to the cyclooctatriene complex (II) with concomitant formation of the complex (III), followed by thermal ligand displacement by the desired arene.
ChemInform Abstract: Preparations, Crystal Structures, and Molybdenum‐95 Nuclear Magnetic Resonance Spectroscopic Studies of Triphenylphosphine‐Gold‐Tetrathiomolybdate(VI) Clusters.
Authors: CHARNOCK J. M. , BRISTOW S. , NICHOLSON J. R. , GARNER C. D. , CLEGG W. 
Published: May 2016

AbstractThe complex (I) crystallizes in the space group P1 with Z=2 and (III) in P21/c with Z=4.
ChemInform Abstract: Chemistry of Platinum Sulphido‐Complexes. Part 6. Reactions of (Pt2(μ‐S)2(PPh3)4) with the Rhodium Complexes ((RhL2Cl)2) (L: CO or C2H4) and (Rh(2,6‐Me2C6H3NC)4)PF6. Crystal and Molecular Structures of (Pt2Rh(μ‐S)2(PPh3)4(CO)2)(Rh(CO)2Cl2)·C3H6O and (Pt2Rh(μ‐S)2(PPh3)4(2,6‐Me2C6H3NC)2)PF6.
Authors: GILMOUR D. I. , LUKE M. A. , MINGOS D. M. P. 
Published: May 2016

AbstractThe reactions of (I) with the chloride‐bridged Rh dimers (II) or with (IV) result in formation of the complexes (III) or (V).
ChemInform Abstract: Deoxygenation of vic‐Diols with p‐Toluenesulphonic Acid and Sodium Iodide.
Authors: SARMA J. C. , SHARMA R. P. 
Published: May 2016

AbstractDeoxygenation of the vicinal steroid diols (I), (III), or (V) in the presence of sodium iodide and p‐toluenesulphonic acid gives the olefins (II) and (IV).
ChemInform Abstract: Preparation and Use of Lithiated Glycals: Vinylic Deprotonation versus Tin‐Lithium Exchange from 1‐Tributylstannyl Glycals.
Authors: LESIMPLE P. , BEAU J.‐M. , JAURAND G. , SINAY P. 
Published: May 2016

AbstractThe glycals (Ia) and (Ib) are deprotonated and lithiated to yield the compounds (II) which are substituted by electrophilic agents to give the derivatives (IIIa) ‐ (IIIc).
ChemInform Abstract: Nonenzymatic Sequence‐Specific Cleavage of Single‐Stranded DNA to Nucleotide Resolution. DNA Methyl Thioether Probes.
Authors: IVERSON B. L. , DERVAN P. B. 
Published: May 2016

Abstract(I) is enzymatically incorporated into an oligonucleotide duplex by using the Klenow fragment of DNA polymerase.
ChemInform Abstract: Unusual cis Stereoselectivity in an Aziridine Cleavage Reaction of Mitomycin C.
Authors: VERDINE G. L. , MCGUINNESS B. F. , NAKANISHI K. , TOMASZ M. 
Published: May 2016

AbstractMitomycin C (I) forms the cis‐hydroxyamide (II) by elimination of methanol and aziridine‐ring opening.
ChemInform Abstract: Synthetic Approach to Optically Pure Trifluoromethylated Compounds.
Authors: KITAZUME T. , LIN J. T. 
Published: May 2016

AbstractThe optically pure carbamate derivatives (VI) are synthesized from the enantiomeric ethyl 4,4,4‐trifluoro‐3‐hydroxybutanoates (I) which are produced by asymmetric hydrolysis of the corresponding racemic acetate.
ChemInform Abstract: Crystal Structures and Phase Transformations of Cesium Trihalogenogermanates, CsGeX3 (X: Cl, Br, I).
Authors: THIELE G. , ROTTER H. W. , SCHMIDT K. D. 
Published: May 2016

AbstractThe title compounds have been prepared by reaction of Ge(OH)2 and CsX in aqueous HX (X: Cl, Br, I).
ChemInform Abstract: Structural and Conformational Study of 3,7‐Disubstituted 3,7‐Diazabicyclo(3.3.1)nonan‐9‐ones.
Authors: ARIAS M. S. , GALVEZ E. , DEL CASTILLO J. C. , VAQUERO J. J. , CHICHARRO J. 
Published: May 2016

AbstractThe title compounds (I) have been studied by 1H and 13C NMR spectroscopy.
ChemInform Abstract: Stereospecific Synthesis of 2,4‐Dienoic Acid Derivatives from Vinylmercuric Chlorides and Acrylic Acid Derivatives by Palladium(II) Salt.
Authors: KIM J. I. , LEE J. T. 
Published: May 2016

AbstractThe reaction of the alkenylmercuric chlorides (I), (IX), (XII) with acrylic acid derivatives such as (II) or (Va) in the presence of 10 mol% of LiPdCl3 and an equimolar amount of CuCl2, as reoxidant for the Pd, gives stereospecifically the dienoic acid derivatives (III), (X), (XIII) together with the homocoupling products (IV), (XI), or (XIV).
ChemInform Abstract: Halo(halovinyl)carbenes by α‐Elimination of Oligohalopropenes and Their Intermolecular Trapping: A New Route to (Halovinyl)cyclopropanes.
Authors: KEYANIYAN S. , GOETHLING W. + , DE MEIJERE A. 
Published: May 2016

AbstractThe (halovinyl)cyclopropanes (IV), (VI), (VIII) (+ by‐product (IX)), and (XI) are prepared by α‐dehydrohalogenation of the oligohalopropenes (V), (VII) (E/Z‐mixture), or (X) in the presence of olefins (I), (II), or (III).
ChemInform Abstract: Derivatives of Fused Thienopyrimidines. Part 8. Synthesis of 2‐, 3‐, and 6‐Substituted Tetrahydrobenzo(b)thieno(2,3‐d)pyrimidin‐4‐ones and Their Anticonvulsive Activity.
Authors: MKRTCHYAN A. P. , KAZARYAN S. G. , NORAVYAN A. S. , AKOPYAN R. A. , DZHAGATSPANYAN I. A. , AKOPYAN N. E. , AKOPYAN L. G. 
Published: May 2016

AbstractThe tetrahydrobenzothiophenes (I) react with the acyl chlorides (II) to give the amides (III), which are cyclized by condensation with the amines (IV), producing the title compounds (V).
ChemInform Abstract: Oxidation of a Dinuclear Platinum(II) Complex with Hydrogen Peroxide.
Authors: AL‐BAKER S. , DABROWIAK J. C. 
Published: May 2016

AbstractThe oxidation of the dinuclear complex ion (I) with H2O2 to produce dinuclear Pt(IV) ions with cis‐arrangement of the amine ligands is described.
ChemInform Abstract: Symmetric Oxalates as Active Esterification Reagent for Activated Esters. N,N′‐Disuccinimidyl Oxalate (DSO).
Authors: TAKEDA K. , OGURA H. 
Published: May 2016

AbstractThe diimidyl or ditriazolyl oxalates (II) react with the N‐protected amino acids (III) to produce the activated derivatives (IV) which are coupled with the amino acids or acid esters (V), yielding the dipeptides (VI).
ChemInform Abstract: Laser and Phosphor Host La1‐xMgAl11+xO19 (x = 0.050): Crystal Structure at 295 K.
Authors: ABRAHAMS S. C. , MARSH P. , BRANDLE C. D. 
Published: May 2016

AbstractCzochralski grown (from La2O3, MgO, and Al2O3) crystals of the title compound crystallize in the hexagonal system, space group P63/mmc.
ChemInform Abstract: Hydrides in the PrNi5‐H2 System.
Authors: MATSUMOTO T. , MATSUSHITA A. 
Published: May 2016

AbstractThe existence of two types of hydrides, a β‐phase (PrNi5H4) and a γ‐phase (PrNi5H6), is confirmed by measurements of the pressure‐composition isotherms.
ChemInform Abstract: Determination of the Absolute Configuration of Six‐Membered‐Ring Ketones by 13C NMR.
Authors: LEMIERE G. L. , DOMMISSE R. A. , LEPOIVRE J. A. , ALDERWEIRELDT F. C. , HIEMSTRA H. , WYNBERG H. , JONES J. B. , TOONE E. J. 
Published: May 2016

AbstractFrom NMR data for acetals such as (I) or (II) an empirical rule is deduced which allows the assignment of the absolute configuration of six‐membered ketones having a chair form as preferred conformation in the acetal.
ChemInform Abstract: Correlation Between 31P NMR Data and Structural Parameters in the Ag(PPh3)3X Series. Crystal and Molecular Structure of Tris(triphenylphosphine)silver(I)tetrafluoroborate and Tris(triphenylphosphine)silver(I)iodide.
Authors: CAMALLI M. , CARUSO F. 
Published: May 2016

AbstractThe series of complexes (I), which is prepared by reaction of the appropriate silver salts with triphenylphosphine, is studied with 31P NMR spectroscopy.
ChemInform Abstract: Solvolytic Hydroperoxide Rearrangements. Part 5. A Stereoselective Synthesis of trans‐Fused Butyrolactones.
Authors: RUDER S. M. , RONALD R. C. 
Published: May 2016

AbstractThe spirocyclic ketone (I) is substituted to give the benzyl derivative (III) which is reduced to produce the isomers (IV) and (V).
ChemInform Abstract: Kinetic Analysis of Fast Alkalinization Transient by Photoexcited Heterocyclic Compounds: pOH Jump.
Authors: NACHLIEL E. , OPHIR Z. , GUTMAN M. 
Published: May 2016

AbstractPhotoexcitation of acridine or 6‐methoxyquinoline to their first electronic singlet state is followed by rapid proton abstraction from water, producing the ion pair PhN*H+ and OH‐.
ChemInform Abstract: Intermolecular Hydrogen‐Atom Abstraction by Vinyl Radicals Derived from Hydroxyalkyl Radicals and Alkynes: an ESR Investigation.
Authors: GILBERT B. C. , MCLAY N. R. , PARRY D. J. 
Published: May 2016

AbstractThe addition of radicals (I) or Me2C·‐OH, derived from Ti3+, H2O2, and MeOH, EtOH, or Me2CH‐OH, to butynedioic acid (II) to give vinyl radicals such as (III) and the following reactions leading to radicals such as (V), have been observed by ESR spectroscopy.
ChemInform Abstract: Reductive Fragmentation of 9,9‐Diarylfluorenes. Concurrent Radical Anion and Dianion Cleavage, Electron Apportionment in Radical Ion Fragmentations.
Authors: WALSH T. D. 
Published: May 2016

AbstractKinetic measurements show that in ether solvents the fluorenyl anions (II) are formed heterolytically from the radical anions (I), via the corresponding less stable radicals and phenyl anions, as well as from the dianions (III), generated by disproportionation of (I).
ChemInform Abstract: 31P NMR Spectroscopic Study of the Conversion of Hydroxy Groups into Iodo Groups in Carbohydrates Using the Iodine‐Triphenylphosphine‐Imidazole Reagent.
Authors: GAREGG P. J. , REGBERG T. , STAWINSKI J. , STROEMBERG R. + 
Published: May 2016

AbstractThe mechanism of the reaction between the α‐D‐galactopyranose (Ia) and the title reagent system to give the product (Ib) is studied in three solvent systems: toluene‐acetonitrile (2:1), acetonitrile, and pyridine.
ChemInform Abstract: Ligand Coupling Within σ‐Sulfurane Intermediates Formed in the Reaction of Benzyl 2‐Pyridyl and Related Sulfoxides with Grignard Reagents.
Authors: OAE S. , KAWAI T. , FURUKAWA N. , IWASAKI F. 
Published: May 2016

AbstractThe reaction of 2‐pyridyl sulfoxides such as (I) with a Grignard reagent is found to give the ligand‐coupling product such as (II) in excellent yield.
ChemInform Abstract: Synthesis of Adamantane‐Containing Monomers and Their Properties.
Authors: POLYAKOVA A. M. , GOLOLOBOV YU. G. , SUCHKOVA M. D. , MAGER K. A. , SENCHENYA N. G. , GUSEVA T. I. 
Published: May 2016

AbstractThe allyl or propargyl adamantane‐mono and dicarboxylates (III) and the bisadamantyl maleate (VI) are prepared as shown in the reaction scheme.
ChemInform Abstract: Hypervalent Iodine Oxidation of Silyl Enol Ethers Under Lewis Acid Conditions in Methanol. A General Route to α‐Methoxy Ketones.
Authors: MORIARTY R. M. , PRAKASH O. , DUNCAN M. P. , VAID R. K. , MUSALLAM H. A. 
Published: May 2016

AbstractConversion of the aryl methyl ketones (I) to the silyl enol ethers (III) and subsequent oxidation with iodosobenzene (IV) in the presence of methanol lead to the formation of the α‐methoxy ketones (V).
ChemInform Abstract: Zinc Salt Catalyzed Rearrangement of Acetals of Optically Active Aryl 1‐Chloroethyl Ketones: Synthesis of Optically Active 2‐Arylpropionic Acids and Esters.
Authors: PICCOLO O. , SPREAFICO F. , VISENTIN G. , VALOTI E. 
Published: May 2016

AbstractThe (R)‐ and (S)‐isomers of the α‐phenylpropionic acids (IV) are prepared from the ketones (S)‐(I).
ChemInform Abstract: A Novel Synthesis of 3‐Arylglutaronitriles from Aromatic Aldehydes and Acetonitrile Under Ultrasound Irradiation.
Authors: SHIBATA K. , KONDO H. , URANO K. , MATSUI M. 
Published: May 2016

AbstractThe title reaction of the aldehydes (I) with CH3CN (II) in the presence of superoxide ion yields the title nitriles (III) as major products.
ChemInform Abstract: Efficient Palladium‐Mediated Synthesis of a Spirocyclic Model for Fredericamycin A.
Authors: CIUFOLINI M. A. , BROWNE M. E. 
Published: May 2016

AbstractStarting with 2‐iodo‐benzoic acid (I), a multi‐step synthesis of the spirocyclic diketone (VIII) is performed as outlined in the reaction scheme.
ChemInform Abstract: Molecular Modification of Anticholinergics as Probes for Muscarinic Receptors. Part 3. Conformationally Restricted Analogues of Benactyzine.
Authors: FLAVIN M. T. , LU M. C. , THOMPSON E. B. , BHARGAVA H. N. 
Published: May 2016

AbstractThe conformationally restricted analogues (VII), (X), (XII), and (XIII) of benactyzine (I) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Absolute Configuration of Chain Branched Cimetidine Analogous Thioethers.
Authors: ELZ S. , DRAEGER M. + , SCHUNACK W. 
Published: May 2016

AbstractThe title compounds (III), promising building blocks for the preparation of H2‐histaminergic compounds, are synthesized according to a known procedure by condensation of the chiral aminoalkanethiols (I) with the imidazolocarbinol (II).
ChemInform Abstract: Thermal Cycloaddition of 4‐Phenyl‐1,2,4‐triazoline‐3,5‐dione to 7,7‐Carbomethoxy‐7H‐benzocycloheptene and 7,7‐Dimethyl‐7H‐benzocycloheptene. Cycloheptatriene‐Norcaradiene Equilibrium.
Authors: ATASOY B. , BALCI M. , BUEYUEKGUENGOER O. + 
Published: May 2016

AbstractThe 7H‐benzocycloheptenes (I) react with 4‐phenyl‐1,2,4‐triazoline‐3,5‐ dione (II) to give the bisadducts (III) via the intermediates (V).
ChemInform Abstract: Indole Derivatives. Part 128. Synthesis and Properties of 5,6‐ and 4,5‐Ethylenedioxyindoles.
Authors: PARTSVANIYA D. A. , AKHVLEDIANI R. N. , ZHIGACHEV V. E. , GORDEEV E. N. , KULESHOVA L. N. , SUVOROV N. N. 
Published: May 2016

AbstractThe title compounds (VI) and (VII) are prepared from the aminobenzodioxane (I) via the hydrazone (III) and ethylenedioxyindolecarboxylates (IV) and (V).
ChemInform Abstract: Antitumor Imidazotetrazines. Part 14. Synthesis and Antitumor Activity of 6‐ and 8‐Substituted Imidazo(5,1‐d)‐1,2,3,5‐tetrazinones and 8‐Substituted Pyrazolo(5,1‐d)‐1,2,3,5‐tetrazinones.
Authors: LUNT E. , NEWTON C. G. , SMITH C. , STEVENS G. P. , STEVENS M. F. G. , STRAW C. G. , WALSH R. J. A. , WARREN P. J. , FIZAMES C. , LAVELLE F. , LANGDON S. P. , VICKERS L. M. 
Published: May 2016

AbstractThe heterocyclic amines (I) and (V) are converted into the imidazo‐ and pyrazolotetrazinones (IV) and (VI).
ChemInform Abstract: Synthesis and Properties of 1,4,9‐Triazaspiro(5,5)undecane and 3,7,11‐Triazaspiro(5,6)dodecane.
Authors: KUROYAN R. A. , SARKISYAN V. V. , VARTANYAN S. A. 
Published: May 2016

AbstractThe spiro compounds (V) mentioned in the title are prepared from the bromoformylpiperidine (II) and the alkylenediamines (III).
ChemInform Abstract: Synthesis of Carbon‐Bridged Dibenzazocines and Dibenzodiazocines. Regiochemical Control Elements in the Beckmann Rearrangement.
Authors: CONFALONE P. N. , HUIE E. M. 
Published: May 2016

AbstractBF3‐catalyzed rearrangement of the bridged oxim (I) produces the azocine (II) as the only product.
ChemInform Abstract: A New Amine Resolution Method and Its Application to 3‐Aminobenzodiazepines.
Authors: RITTLE K. E. , EVANS B. E. , BOCK M. G. , DIPARDO R. M. , WHITTER W. L. , HOMNICK C. F. , VEBER D. F. , FREIDINGER R. M. 
Published: May 2016

AbstractThe racemic 3‐aminobenzodiazepine (Ia) is coupled with the protected amino acids (II) to give the amides (Va), which are methylated to produce (Vb) and then deprotected, forming (Vc).
ChemInform Abstract: Ring Enlargement by Lactonization of Methylated 1‐(3′‐Hydroxypropyl)‐2‐oxocyclododecane‐1‐carbonitriles.
Authors: MILENKOV B. , HESSE M. 
Published: May 2016

AbstractMichael reaction of the nitrile (I) and the aldehydes (II) affords the adducts (III).
ChemInform Abstract: (7)‐ and (9)(3,5)Troponophanes and the Corresponding Hydroxytropyliophanes.
Authors: YAMAGA H. , FUJISE Y. , ITO S. 
Published: May 2016

AbstractThe cyclohexenones (I) containing a polymethylene bridge are converted to the cycloheptenones (II) which undergo bromination and dehydrobromination, producing the dienones (III).
ChemInform Abstract: Silicon‐Functionalized Silyl Enol Ethers: A Novel Dialkylchlorosilyl Enol Ether and Its Conversion to Alkoxy and Aminosilyl Enol Ethers.
Authors: WALKUP R. D. 
Published: May 2016

AbstractThe lithium enolate (II) derived from pinacolone (I) is converted to the chlorosilyl enol ether (III) which undergoes substitution reactions with the nucleophiles (IV), yielding the alkoxy or aminosilyl enol ethers (V).