bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: The Chemistry of Cyclic Vinyl Ethers. Part 4. Cyclization of Unsaturated Cyclic Vinyl Ether Epoxides.
Authors: BOECKMAN R. K. JUN. , TAGAT J. R. , JOHNSTON B. H. 
Published: May 2016

AbstractDihydrofuran (Ia) and dihydropyran (Ib) are transformed into the unsaturated epoxides (V) which are cyclized to give the spirocyclic ketals (VI) and (VII) respectively.
ChemInform Abstract: Nitrations of 4′,5′‐Dihydropsoralens: A Route to Radiopharmaceutical Precursors.
Authors: HEINDEL N. D. , FOSTER N. , VARKEY T. 
Published: May 2016

AbstractMethoxysalen (I) undergoes hydrogenation and nitration reactions, yielding the derivatives (IV) ‐ (VI).
ChemInform Abstract: The Tandem Michael Aldol Reaction Catalyzed by Trityl Perchlorate.
Authors: MUKAIYAMA T. , KOBAYASHI S. 
Published: May 2016

AbstractThe unsaturated ketones (I) react with the silyl enol ethers (II) and the aldehydes (III) to produce the δ‐hydroxy ketone derivatives (IV) which are cyclized on treatment with acid or triethylamine, forming the dihydropyranes (V) and the tetrahydropyrans (VI).
ChemInform Abstract: Pyrrolopyridine Analogs of Nalidixic Acid. Part 1. Pyrrolo(2,3‐b)pyridines.
Authors: TOJA E. , TARZIA G. , FERRARI P. , TUAN G. 
Published: May 2016

AbstractThe α‐halocarbonyl compounds (I) react with the amidine (II) and the alkylation agents (III), producing the aminopyrroles (IV).
ChemInform Abstract: Isomers and Aza‐Analogues of Indoxyl Containing Nitrogen at a Ring‐Fusion Position: Coupling Reactions with Electrophiles and Attempted Oxidations.
Authors: KATRITZKY A. R. , CASTER K. C. , RUBIO O. , SCHWARZ O. 
Published: May 2016

AbstractThe imines (I) are cleaved with perchloric acid, yielding the indolizinium salts (II).
ChemInform Abstract: A Chiral, Non‐Racemic C1‐C7 Erythronolide Synthon Using the 3‐Methyl‐γ‐ butyrolactone Strategy.
Authors: ZIEGLER F. E. , KNEISLEY A. 
Published: May 2016

AbstractAs shown in the reaction scheme, the lactone (I) is transformed into the synthon (VIII) mentioned in the title.
ChemInform Abstract: Syntheses and Conformations of Some Cyclic Hydroxamates. X‐Ray Crystal Structure of 2‐(p‐Nitrobenzoyl)tetrahydro‐2H‐1,2‐oxazine.
Authors: JOHNSON J. E. , HODZI R. , TODD S. L. , DE MEESTER P. , CHU S. S. C. 
Published: May 2016

AbstractThe hydroxamates (I) are coupled with the α,ω‐dibromoalkanes (II) to form the tetrahydroisoxazoles or 1,2‐oxazines (III).
ChemInform Abstract: Synthesis of Furazano‐Substituted 1,5‐Diazepines.
Authors: FISCHER J. W. , ATKINS R. L. , NISSAN R. A. , CHARLOTTE CHARLOTTE , LOWE‐MA K. , DECKER D. L. 
Published: May 2016

Abstract3,4‐Diaminofurazan (I) reacts with the methyl ketones (II), yielding the furazano‐1,5‐diazepines (III).
ChemInform Abstract: Macroheterocycles. Synthesis and Cyclization of Glycol Monoglycide Ethers.
Authors: SHABANOV A. L. , ISMIEV I. I. , MAGERRAMOVA L. M. , ELCHIEV A. B. 
Published: May 2016

AbstractThe reactions between monoethyleneglycol (I) or di‐ and triethyleneglycol (V) and epichlorohydrin (II) yield the corresponding monoglycide ethers (III) or (VI), which are cyclized to give the crown ethers (IV) or (VII) with a hydroxy function at the macrocycle.
ChemInform Abstract: Reactions of 2‐Pyrrolidone and ε‐Caprolactam with Hexamethylcyclotrisilazane.
Authors: KHANANASHVILI L. M. , AKHOBADZE D. SH. , DZHANIASHVILI L. K. , TUGUSHI TS. A. , ANDRONIKASHVILI G. G. 
Published: May 2016

AbstractReaction of the compounds mentioned in the title gives the linear oligomers (III) and (IV) with terminal lactam rings depending on the molar ratio.
ChemInform Abstract: Reaction of N,N′‐Bisarene(alkane)sulfonyl‐p‐quinonediimines with Trimethylsilyl Dialkyl Phosphites.
Authors: AVDEENKO A. P. , RYAZANTSEV B. P. , MISHCHENKO A. I. 
Published: May 2016

AbstractReaction of the title compounds (I) and (II) produces the amidophosphates (III).
ChemInform Abstract: Organophosphorus Compounds. Part 23. Alkenyl Substituted Amino‐ and Halogenophosphines and Attempts at Intramolecular Phosphinidene Capture.
Authors: DIEMERT K. , KOTTWITZ B. , KUCHEN W. 
Published: May 2016

AbstractThe aminophosphanes (III) and (V), obtained from the alkenyl Grignard compounds (I) and the aminochlorophosphanes (II) or (IV), react with the hydrogen halides (VI) to give (VII) and (VIII) respectively.
ChemInform Abstract: 1,1′‐Diarsaferrocene.
Authors: ASHE A. J. III , MAHMOUD S. , ELSCHENBROICH C. , WUENSCH M. + 
Published: May 2016

AbstractCompared with the method applied hitherto, the phenylarsole (II) is prepared more efficiently when the dichlorodiene (I) is used as precursor instead of the explosive 1,4‐diiodobutadiine.
ChemInform Abstract: Synthesis, Crystal and Molecular Structure of Light Lanthanoid Complexes with a New 1:1 Open Phenolic Schiff Base Acetal.
Authors: KAHWA I. A. , FRONCZEK F. R. , SELBIN J. 
Published: May 2016

AbstractThe Pr(III) complex (I) is isolated from a low temp. acid catalyzed condensation of 2,6‐formyl‐p‐cresol (1 mol) and triethylenetetramine (2 mol) with Pr3+ (1 mol) as the template cation in methanol.
ChemInform Abstract: HCr((Me2PCH2)3CMe)+ 2BEt‐ 4: The First Synthesis of a Cationic Hydride Complex from HBEt‐ 3.
Authors: THALER E. , FOLTING K. , HUFFMAN J. C. , CAULTON K. G. 
Published: May 2016

AbstractReaction of the Cr(III)‐triphosphine complex (I) with LiHBEt3 yields the title complex (II).
ChemInform Abstract: Kinetics and Mechanism of Oxidation of 2‐Mercaptopyrimidine by a Tetraaza Macrocyclic‐Silver(II) Complex.
Authors: PO H. N. , TRISMITRO R. 
Published: May 2016

AbstractThe oxidation of 2‐mercaptopyrimidine by the square planar complex (1,4,8,11‐tetraazacyclotetradecane)silver(II) perchlorate to give the disulfide follows a second‐order rate law.
ChemInform Abstract: Synthesis and Crystal Structure of the Homoleptic Thioether Ruthenium Complex (Ru(1,4,7‐trithiacyclononane)2)(BPh4)2·2 Me2SO.
Authors: BELL M. N. , BLAKE A. J. , SCHROEDER M. + , KUEPPERS H.‐J. + , WIEGHARDT K. 
Published: May 2016

AbstractThe complex cation of (I) could be prepared by reaction of RuCl3·6 H2O with trithianonane (excess) in DMSO at elevated temp. or by reaction of (RuCl2(C6H6))2 with the ligand in MeOH at 20 °C. Recrystallization of the complex in DMSO in the presence of NaBPh4 yields (I) (no yield given) which crystallizes in the space group P21/c with Z=2.
ChemInform Abstract: 1,3‐Bis(diphenylphosphino)propane‐Bridged Complexes. X‐Ray Crystal and Molecular Structure of Ir2(CO)2Cl2(μ‐Ph2P(CH2)3PPh2)2, Its Reactions with H2 and O2, and the Structure of Ir2(CO)2Cl2(O2)(μ‐Ph2P(CH2)3PPh2)2.
Authors: WANG H.‐H. , PIGNOLET L. H. , REEDY P. E. JUN. , OLMSTEAD M. M. , BALCH A. L. 
Published: May 2016

AbstractThe complex (I) crystallizes in the space group C2/c with Z=4.
ChemInform Abstract: Synthesis of the Mammea Coumarins. Part 1. The Coumarins of the Mammea A, B, and C Series.
Authors: CROMBIE L. , JONES R. C. F. , PALMER C. J. 
Published: May 2016

AbstractPechmann condensation of corresponding acylphloroglucinols (I) and ketoesters (II) gives separable mixtures of the regioisomeric coumarins (III) and (IV) whose isoprenylation leads to the naturally occurring Mammea coumarins of the A series ((VIa), (VIIa)), B series ((VIb), (VIIb)), and C series ((VIc), (VIIc)).
ChemInform Abstract: Electrochemical and Surface Science Investigations of PtCr Alloy Electrodes.
Authors: PAFFETT M. T. , DAUBE K. A. , GOTTESFELD S. , CAMPBELL C. T. 
Published: May 2016

AbstractA series of bulk PtxCr1‐x alloys (x = 0.2, 0.5, 0.65, and 0.9) has been investigated by cyclic voltammetry in 0.05 M H2SO4 and 85% H3PO4, and analysis of the electrode surface composition and electrolyte following electrochemical treatment.
ChemInform Abstract: Redox Reactions of Superoxotitanium(IV) in Acidic Perchlorate Solution.
Authors: BOURKE G. C. M. , THOMPSON R. C. 
Published: May 2016

AbstractKinetic studies on the redox reactions of TiO23+ (and TiO2(OH)2+) with sulfur(IV), oxovanadium(IV), iron(II), titanium(III), hexachloroiridate(III), bromide, iodide, and chlorine by a stopped‐flow technique show the superoxotitanium(IV) reduction to proceed by a 1‐equiv.
ChemInform Abstract: Synthesis and Crystal Structure of (N(PPh3)2) (VCl3(N3S2))·C7H8.
Authors: EL‐KHOLI A. , CHRISTOPHERSEN R. , MUELLER U. + , DEHNICKE K. 
Published: May 2016

AbstractThe title compound can be prepared either by reaction of (I) with excess PPh3 in CH2Cl2 and subsequent addition of toluene (11.9% yield) or by reaction of (I) with (II) in CH2Cl2 in the presence of toluene as shown in the scheme.
ChemInform Abstract: Reduction‐Oxidation Properties of Organotransiton‐Metal Complexes. Part 25. The One‐Electron Reduction of Cationic Cyclopentadienyl‐Cobalt and ‐Rhodium Nitrosyl Derivatives.
Authors: CONNELLY N. G. , RAVEN S. J. , GEIGER W. E. 
Published: May 2016

AbstractThe title complexes (Ia) and (Ib) or (IIIa) and (IIIb) undergo diffusion‐controlled, one‐electron reduction at a platinum‐bead electrode leading to the dimers (II) in the case of Co. The primary reaction products (Ic) have been detected by ESR‐spectroscopy at ‐196 °C. The Rh analogues (IIIc) are stable at room temp. and have been isolated via chemical reduction with cobaltocene (91% yield for L: P(OMe)3).
ChemInform Abstract: Synthesis and Claisen Rearrangement of Alkoxyallyl Enol Ethers. Evidence for a Dipolar Transition State.
Authors: COATES R. M. , ROGERS B. D. , HOBBS S. J. , PECK D. R. , CURRAN D. P. 
Published: May 2016

AbstractOxidation of the seleno acetal (I) gives the ethoxyallyl enol ether (II), which undergoes Claisen rearrangement to the ketone (III).
ChemInform Abstract: A Carbocationic 1,3‐Alkenyl Shift.
Authors: BAEUML E. + , KOLBERG G. , MAYR H. 
Published: May 2016

AbstractTetramethylallyl chloride (I) and styrene (II) form the adduct (III) which reacts with tin tetrachloride, yielding the products (VI) ‐ (VIII) via the carbocationic intermediates (IV) and (V).
ChemInform Abstract: Fast Halogen Abstractions from Alkyl Halides by Alkyl Radicals. Quantitation of the Processes Occurring in and a Caveat for Studies Employing Alkyl Halide Mechanistic Probes.
Authors: NEWCOMB M. , SANCHEZ R. M. , KAPLAN J. 
Published: May 2016

AbstractSecond‐order rate constants for halogen atom transfer (kRX) in benzene at 50 °C are determined for reactions of octyl radical with the alkyl halides (I) using two methods.
ChemInform Abstract: Asymmetric Catalytic Hydrogenations of N‐Pyruvoyl‐(S)‐proline Esters.
Authors: MUNEGUMI T. , FUJITA M. , MARUYAMA T. , SHIONO S. , TAKASAKI M. , HARADA K. 
Published: May 2016

AbstractAsym. catalytic reaction of the title compounds (I) affords the corresponding lactoyl proline esters with the (S)‐form (II) predominating in diastereomeric excesses (d.e.) up to 58%.
ChemInform Abstract: Facile Alkylation of o‐Hydroxyarylaldehydes and α‐Formylketones with Trialkylboranes.
Authors: OKADA K. , HOSODA Y. , ODA M. 
Published: May 2016

AbstractSalicylaldehyde (I) reacts with the trialkylboranes (II) to give the complexes (III) which rearrange, forming the compounds (IV).
ChemInform Abstract: Synthesis of Amino‐β‐lactams by the Photolytic Reaction of Imines with Pentacarbonyl((dibenzylamino)carbene)chromium(0).
Authors: BOREL C. , HEGEDUS L. S. , KREBS J. , SATOH Y. 
Published: May 2016

AbstractReaction of the Vilsmeier's salts derived from (I) with Na2Cr(CO)5 (II) yields the chromium‐carbene complexes (III).
ChemInform Abstract: A Simple Synthesis of trans,trans‐1,3‐Dienes from Terminal Alkynes Using CoCl2/Ph3P/NaBH4.
Authors: SATYANARAYANA N. , PERIASAMY M. 
Published: May 2016

AbstractThe cobalt hydride reagent (II), prepared in situ in the manner described, causes hydrodimerization of the acetylenes (IV), producing the trans,trans‐dienes (V).
ChemInform Abstract: Reaction of Sodium Ethenethiolate with Dibromodivinyl Sulfides in Liquid Ammonia.
Authors: AMOSOVA S. V. , GOSTEVSKAYA V. I. , GAVRILOVA G. M. , SIGALOV M. V. 
Published: May 2016

AbstractSodium ethenethiolate is prepared by the reaction of divinyl sulfide (I) with sodium in liquid ammonia.
ChemInform Abstract: Synthesis of Conjugated α‐Aryl‐ω‐chloroperfluoropolyenes.
Authors: YAGUPOL'SKII L. M. , CHEREDNICHENKO P. G. , KREMLEV M. M. 
Published: May 2016

AbstractThe title compounds (III) are obtained by the reactions between the arylmagnesium bromides (I) and the perhalogenoalkanes (II).
ChemInform Abstract: Stereoselective Reactions Induced by a Thermolabile Group: Chelation and Non Chelation Controlled Additions of Organometallics to a Diels‐ Alder Adduct of Furan.
Authors: BLOCH R. , GILBERT L. 
Published: May 2016

AbstractThe tricyclic lactone (I) is reductively converted to the lactol (II) which undergoes reactions via the ring‐opened isomer (III).
ChemInform Abstract: Conjugate Addition of Furans to Enones or Their Synthetic Equivalents.
Authors: POIRIER J.‐M. , DUJARDIN G. 
Published: May 2016

AbstractReaction of the furan derivatives (III), (VII), (IX), (XII), and (XIV) with the olefinic compounds (I) or (II) yields the ketones (V), (VI), (VIII), (X), (XIII), and (XV).
ChemInform Abstract: Synthesis of 4,9‐Diethoxy‐5,6(7),8‐trimethoxy‐1,3‐dihydronaphtho‐(2,3‐c)furan‐1‐one: A Key Synthon of Fredericamycin A. Regiospecific Synthesis of 9‐Ethoxy‐4,5,6,8‐tetramethoxy‐1,3‐dihydronaphtho(2,3‐c)furan‐1‐one: A Key Synthon of Fredericamycin A.
Authors: RAO A. V. R. , REDDY C. R. , ANNAPURNA G. S. , DESHPANDE V. H. , SREENIVASAN N. , REDDY D. R. 
Published: May 2016

AbstractThe lactones (XI), which are precursors of frederamycin A, are prepared from vanillin (I) as shown in the reaction scheme.
ChemInform Abstract: Application of Allenylsilanes in a Regiocontrolled (3 + 2) Annulation Route to Substituted Isoxazoles.
Authors: DANHEISER R. L. , BECKER D. A. 
Published: May 2016

AbstractThe silylated allenes (I), (IV), and (VI) react with the nitrosyl cation of (II), producing isoxazoles such as (III).
ChemInform Abstract: Novel (.+‐.)‐1‐Phenyltetrahydroisoquinolines and 1‐Phenylisoquinolines: Potential Intermediates in Alkaloid Synthesis.
Authors: VENUGOPALAN B. , BROSSI A. 
Published: May 2016

AbstractReaction of the phenethylamine (I) with the acyl chloride (II) yields the amide (III), which cyclizes to form the dihydroisoquinolines (IVa) and (IVb) respectively after deprotection.
ChemInform Abstract: Syntheses of Bis(vinylenedithio)tetrathiafulvalene and Bis(methylvinylenedithio)tetrathiafulvalene.
Authors: NAKAMURA T. , IWASAKA S. , NAKANO H. , INOUE K. , NOGAMI T. , MIKAWA H. 
Published: May 2016

AbstractThe title compounds (V) (BVDT‐TTF) and (IX) (BMVDT‐TTF) are synthesized as attractive donor molecules for highly conductive salts starting from the known compound (I) by the routes shown in the scheme.
ChemInform Abstract: Ozonation and Chemiluminescence of 8,8,9,9‐Tetramethylacenaphtho‐(1,2‐b)‐1,4‐dioxin. Evidence for Dual Reaction Pathways.
Authors: FANG T.‐S. , MEI W.‐P. 
Published: May 2016

AbstractOzonation of the title compound (I) yields the compound (III) as the main product via rearrangement of (II).
ChemInform Abstract: A Versatile Method of Synthesis of Anilines and Cyclohexenones.
Authors: DIFFERDING E. , VANDEVELDE O. , ROEKENS B. , VAN T. T. , GHOSEZ L. 
Published: May 2016

AbstractThe unsaturated nitriles (I) and (V) are converted to the N‐silylketenimines (III) or (VI).
ChemInform Abstract: A Novel and Efficient Synthesis of the Key Intermediate of 1β‐Methylcarbapenem Antibiotics from (S)‐Methyl 3‐Hydroxy‐2‐methylpropionate.
Authors: KAWABATA T. , KIMURA Y. , ITO Y. , TERASHIMA S. , SASAKI A. , SUNAGAWA M. 
Published: May 2016

AbstractThe hydroxyester (S)‐(I) is converted to the imines (IV) which undergo cycloaddition with diketene (V) to produce the β‐lactams (VI) and (VII).
ChemInform Abstract: A Stable and Long‐Lived Germaimine.
Authors: GLIDEWELL C. , LLOYD D. , LUMBARD K. W. , MCKECHNIE J. S. 
Published: May 2016

AbstractThe electron‐rich germylene (I) reacts with the diazomalonate (II) to give the germaimine (III) which is stable when solved in benzene in the absence of air.
ChemInform Abstract: A Regioselective Synthesis of 2‐Tributylstannyl‐1,3‐dienes.
Authors: NATIVI C. , TADDEI M. , MANN A. 
Published: May 2016

Abstract3‐Trimethylsilylpropyne (I) is coupled with the carbonyl compounds (II), yielding the propargylic alcohols (III).
ChemInform Abstract: Synthesis of New Bismuth Organometallic Compounds. Part 2.
Authors: AL‐WASSIL A. , ABU‐SAMN R. , MUKHALALATI M. 
Published: May 2016

AbstractOn the basis of elemental analysis, 1H NMR, IR, and MS spectroscopic studies, the product from BiCl3 and NHPh2 is identified to be the ionic complex (I).
ChemInform Abstract: Synthesis and Molecular Structure of Kryptofix 222 Potassium Phthalocyaninato Ferrate, (K Contained in 222) (FePc), and (18‐Crown‐6) Lithium (18‐Crown‐6)(tetrahydrofuran) Lithium Phthalocyaninato Ferrate, (Li Contained in 18c.6) (Li(THF) Contained in 18c.6) (FePc).
Authors: TAHIRI M. , DOPPELT P. , FISCHER J. , WEISS R. 
Published: May 2016

AbstractReduction of Fe(II) phthalocyanine by K (Kryptofix 222) tert. butylthiolate in chlorobenzene or by LiAlH4 in THF in the presence of 18‐crown‐6 leads to the title compounds.
ChemInform Abstract: Lewis Acidity of Nickel(0). Part 6. Dimethylmethyleneoxosulfurane Complexes of Nickel(0).
Authors: POERSCHKE K.‐R. + 
Published: May 2016

AbstractTris(ethene)‐Ni(0) (I) reacts with dimethylmethyleneoxosulfurane below 0 °C to yield the complex (II).
ChemInform Abstract: Synthesis and Crystal Structure of Dinuclear Rh(II) Complexes with 1,10‐Phenanthroline and Its 4,7‐ and 3,4,7,8‐Methyl Derivatives.
Authors: CALLIGARIS M. , CAMPANA L. , MESTRONI G. , TORNATORE M. , ALESSIO E. 
Published: May 2016

AbstractThe 1:2 molar reaction of Rh2(OAc)4(OH2)2 with the phenanthroline ligands in refluxing MeOH in the presence of two molequiv.
ChemInform Abstract: Unsymmetrical Dinuclear (Pd‐Pd) Complexes Containing CO, CNR, SO2, and C2(CO2Me)2 as Bridging Ligands.
Authors: WERNER H. , THOMETZEK P. , ZENKERT K. , GODDARD R. , KRAUS H.‐J. 
Published: May 2016

AbstractThe reaction of the cyclopentadienyl‐ and halide‐bridged dinuclear complexes (I) with CO, isonitriles, SO2, or dimethyl acetylenedicarboxylate leads to the formation of the compounds (II) in which the bridging ligand Z is asym.
ChemInform Abstract: Synthetic and Biosynthetic Studies of Porphyrins. Part 8. Syntheses of Hepta‐, Hexa‐, and Penta‐Carboxylic Porphyrins Related to Uroporphyrin‐I.
Authors: JACKSON A. H. , SUPPHAYEN D. 
Published: May 2016

AbstractThe title porphyrins as their methyl esters (III), (IXa)‐(IXc), of interest as abnormal metabolites in porphyrin biosynthesis, are synthesized by the Fischer (→ (III)) or b‐oxobilane (→ (IX)) routes starting from the pyrromethanes (I), (IV) and (V), whose preparation is described as well.
ChemInform Abstract: Asymmetric Synthesis of (1′R,3R,4R)‐4‐Acetoxy‐3‐(1′‐((tert‐butyldimethylsilyl)oxy)ethyl)‐2‐azetidinone and Other 3‐(1′‐Hydroxyethyl)‐2‐azetidinones from (S)‐(+)‐Ethyl 3‐Hydroxybutanoate: Formal Total Synthesis of (+)‐Thienamycin.
Authors: GEORG G. I. , KANT J. , GILL H. S. 
Published: May 2016

AbstractThe dianion/imine condensation between (I) and (II) gives a cis/trans mixture of the β‐lactams (III), which undergo Mitsunobu inversion and silylation to yield the inverted azetidinones (VI) ((R) configuration of the side chain).
ChemInform Abstract: Selective Allylic Electrooxidation of α‐ and β‐Ionones.
Authors: GUIRADO A. , MOSS G. P. , UTLEY J. H. P. 
Published: May 2016

AbstractAnodic oxidation of β‐ionone (I) yields mixtures of the products (II) and (III) or (IV) ‐ (VII), depending on the electrolysis conditions.
ChemInform Abstract: Thermodynamic Control in the Asymmetric Alkylation of the Dipole‐Stabilized Anions of Chiral Aminooxazolines.
Authors: GAWLEY R. E. 
Published: May 2016

AbstractDeprotonation of the (S)‐configurated isoquinoline (I) with BuLi followed by quenching with DMSO‐d6 gives the deuterated epimer (II) with high stereoselectivity.
ChemInform Abstract: A Simple Preparation of Five‐Carbon Chiral Allylic and Homoallylic Alcohol Synthons.
Authors: TAKANO S. , SEKIGUCHI Y. , SATO N. , OGASAWARA K. 
Published: May 2016

AbstractReaction of (S)‐O‐benzylglycidol (I) with lithium acetylide ethylenediamine complex (II) in DMSO at temperatures below 5°C yields the terminal acetylenic alcohol (III), whereas at room temperature a mixture of the isomeric acetylenic alcohols (III) and (IV) is formed.
ChemInform Abstract: Homochiral Ketals in Organic Synthesis. Diastereoselective Cyclopropanation of α,β‐Unsaturated Ketals Derived from 1,4‐Di‐O‐benzyl‐L‐threitol.
Authors: MASH E. A. , NELSON K. A. 
Published: May 2016

AbstractTreatment of the ketals (I) with the Simmons‐Smith reagent affords mixtures of the diastereomeric cyclopropanes (II) and (III); typically the diastereoselectivities amount to 9:1.
ChemInform Abstract: Reactions of α,ω‐Bis(bromomagnesio)alkanes with Heterocyclic Anhydrides. A Novel Synthesis of Five‐ and Six‐Membered 1‐(o‐Aminophenyl)cycloalkanols and 1‐(2′‐Amino‐3′‐pyridinyl)cycloalkanols.
Authors: CANONNE P. , BOULANGER R. , CHANTEGREL B. 
Published: May 2016

AbstractTreatment of the anhydrides (I) with the title reagents (III) or (IV) gives cycloalkanols (II) or (V), the former products being obtained in higher yields.
ChemInform Abstract: Chemistry of Phosphorus. Part 173. Synthesis and Properties of the Diphosphiranimines (tBuP)2C=NR (R: 2,4‐tBu2C6H3, 2‐tBuC6H4).
Authors: BAUDLER M. , SIMON J. 
Published: May 2016

AbstractThe reaction of the compound (I) with isocyanide dichlorides (II) yields the first diphosphiranimines (III).
ChemInform Abstract: Synthesis and Characterization of a Novel 6‐Heteroaryl‐3,6‐dihydro‐2H‐ pyran‐2‐acetic Acid.
Authors: STOKKER G. E. , PITZENBERGER S. M. 
Published: May 2016

AbstractAcid‐catalyzed rearrangement of the vinyllactone (I) produces the dihydropyran‐2‐acetic acid (II).
ChemInform Abstract: Synthesis and Properties of 2‐(1‐Acetylalkylidene)‐2H‐thiopyrans.
Authors: PULST M. , HOLLBORN B. , KROPFGANS F. , WEISSENFELS M. 
Published: May 2016

AbstractTransformation of the aldehyde (Ia) to the nitrile (Ic) followed by reaction with MeMgI, hydrolysis with NH4Cl solution (→ (Id)) and H2O/H+ at 100 °C yields the title thiopyran (Ie).
ChemInform Abstract: Application of the Intramolecular α‐Amidoalkylation Reaction for the Synthesis of 2‐Arylsulfonyl‐1,2,3,4‐tetrahydroisoquinolines.
Authors: LUKANOV L. K. , VENKOV A. P. , MOLLOV N. M. 
Published: May 2016

AbstractReaction of the azomethines (I) with the sulfonyl chloride (II) or of the sulfonamides (IV) with the aldehydes (V) produces the 2‐arylsulfonyltetrahydroisoquinolines (III).
ChemInform Abstract: A New Route to (g)‐Fused 5‐Methyl‐1‐functionalized Isoquinolines.
Authors: BISAGNI E. , RAUTUREAU M. 
Published: May 2016

AbstractThe oxazolidine (III), obtained in three steps from the chloroisonicotinoyl chloride (I), is converted to the 3‐arylmethyl‐4‐acetyl‐2‐pyridones (VIII) by lithiation, coupling with the aldehydes (IV), subsequent cyclization followed by reductive ring opening and finally reaction with methyllithium.
ChemInform Abstract: Photoreactions of Phthalimide ‐ Thietanes: Fission of the Thietane Ring and Formation of 1,2‐Dithianes.
Authors: MACHIDA M. , ODA K. , YOSHIDA E. , KANAOKA Y. 
Published: May 2016

AbstractIrradiation of the monothiophthalimide (I) in the presence of thietane (II) produces a mixture of the spirodithianes (III) and (IV).
ChemInform Abstract: Investigation of a By‐Product in the Azaphen Synthesis.
Authors: ARZAMASTSEV A. P. , RUTMAN I. M. 
Published: May 2016

AbstractReaction of the chlorodiazaphenoxazine (I) with N‐methylpiperazine (II) gives azaphen (III) and the diazaphenoxazinone (IV) as a by‐product.
ChemInform Abstract: Intramolecular Cyclisation Using Methyl(bismethylthio)sulphonium Salts. Part 5. Synthesis of Functionalized 4,5‐Dihydro‐3,1‐benzoxazepines.
Authors: CAPOZZI G. , OTTANA R. , ROMEO G. 
Published: May 2016

AbstractN‐(o‐Allylphenyl)benzamide (I) and the sulphonium salt (II) are cyclized to form the benzoxazepinium salt (III) which is converted to the parent base (IV).