bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Transition‐Metal Phosphinidene Complexes: Syntheses, Structures, and Bonding in Dinuclear Phosphinidene Complexes Containing 14‐ and 15‐Electron Metal Fragments.
Authors: ARIF A. M. , COWLEY A. H. , NORMAN N. C. , ORPEN A. G. , PAKULSKI M. 
Published: May 2016

AbstractThe reaction of the phosphorus chloride (I) with (II) produces the dicobalt‐phosphinidene complex (III), which is characterized by X‐ray crystallography (space group Cmcm, Z=4).
ChemInform Abstract: Photoinduced Intramolecular Electron Transfer in Peptide‐Bridged Molecules.
Authors: SCHANZE K. S. , SAUER K. 
Published: May 2016

AbstractThe two series of complexes (Ia), (Ib) and (Ic) are prepared and characterized in which a polypyridyl Ru(II) complex is linked to p‐dimethoxybenzene (DMB) or p‐benzoquinone (Q) moieties by peptide bridges containing L‐proline.
ChemInform Abstract: Selective Esterification of N‐Benzyl‐L‐aspartic Acid. Part 2. Synthesis of α‐ and β‐Benzyl Esters of N‐Benzyl‐L‐aspartic Acid.
Authors: LEE C. H. , KIM I. K. , LEE Y. H. , CHOI W. S. , CHUNG B. Y. 
Published: May 2016

AbstractThe title benzyl esters (VI) and (VIII) are prepared starting from L‐aspartic acid (I).
ChemInform Abstract: 4‐Nitrobenzyl as a N‐Protective Group in N‐Heterocycles: An Easy Access to 7‐Arylmethyladenines from 3‐(4‐Nitrobenzyl)adenine.
Authors: ER‐RHAIMINI A. , MORNET R. 
Published: May 2016

AbstractAlkylation of 3‐(4‐nitrobenzyl)adenine (I) with the benzyl bromides (II) yields the substituted 3,7‐dibenzyladenines (III).
ChemInform Abstract: Synthesis and Opioid Activity Profiles of Cyclic Dynorphin Analogs.
Authors: SCHILLER P. W. , NGUYEN T. M.‐D. , LEMIEUX C. 
Published: May 2016

AbstractIn an effort to reduce the conformational flexibility of the κ‐receptor selective opioid peptide dynorphin A, the cyclic analogues (I) and (II) are synthesized in reasonable yield by the solid phase technique using a protection scheme which permits the cyclization of the peptide still attached to the solid support.
ChemInform Abstract: Structure‐Activity Relationship of Lepidopteran, a Self‐Defence Peptide of Bombyx mori.
Authors: SHIBA T. , TESHIMA T. , NAKAI T. , KITAZAWA M. 
Published: May 2016

AbstractThe title peptide consists of three congeners, lepidopteran A, B, and C with slightly differing amino acid units at some positions.
ChemInform Abstract: Reaction of SO‐. 4 with Methylated Uracils. An ESR Study in Aqueous Solution.
Authors: BEHRENS G. , HILDENBRAND K. , SCHULTE‐FROHLINDE D. , HERAK J. N. 
Published: May 2016

AbstractWhen phosphate dianions are present in the medium of photolyses of uracils such as (I), phosphate adducts analogous to (II) are detected.
ChemInform Abstract: Dequaternization of Quaternary 1,3,4‐Oxa‐, ‐Thia‐, ‐Selenadiazolium and Oxazolium Salts.
Authors: LIPNITSKII V. F. , SHVAIKA O. P. , KOROTKIKH N. I. 
Published: May 2016

AbstractDequaternization of the azolium salts (I) or (Va) is achieved by treatment with tertiary amines, producing the azoles (III) or (VII) and the salts (IV) or (VIII) formed as the result of a transquaternization.
ChemInform Abstract: Oxidative Bromination of Vanillin.
Authors: AFANAS'EVA V. L. , LYUBESHKIN A. V. , KOVALEVA S. S. , BAGREEVA M. R. , ANISIMOVA O. S. , GLUSHKOV R. G. 
Published: May 2016

AbstractThe bromination of vanillin (I) with elemental bromine in the presence of hydrogen peroxide to produce the bromovanillin (II) is optimized.
ChemInform Abstract: Novel 1H‐Benzimidazol‐4‐ols with Potent 5‐Lipoxygenase Inhibitory Activity.
Authors: BUCKLE D. R. , FOSTER K. A. , TAYLOR J. F. , TEDDER J. M. , THODY V. E. , WEBSTER R. A. B. , BERMUDEZ J. , MARKWELL R. E. , SMITH S. A. 
Published: May 2016

AbstractThe o‐phenylenediamines (I) react with the carboxylic acids (II), yielding the title compounds (III) after deprotection by catalytic dehydrogenation.
ChemInform Abstract: Synthesis of 1,2‐Di‐tert‐butyl‐3,4‐bis(tert‐butylchlorophosphino)‐1,2‐diphosphetane.
Authors: NOVIKOVA Z. S. , MONIN E. A. , BORISENKO A. A. , ZAVADSKII K. S. , LUTSENKO I. F. 
Published: May 2016

AbstractTreatment of the bisphosphine (I) with amines gives the title compound (II).
ChemInform Abstract: Structural Characterization of the Product of Oxidation of a Macrocyclic Cobalt(II) Complex in Pyridine Solution.
Authors: SISTER E. , GOTTFRIED V. , KAPON M. , KAFTORY M. , DORI Z. , GRAY H. B. 
Published: May 2016

AbstractThe title reaction gives the Co(III) complexes (II) isolated as their BF4 salts.
ChemInform Abstract: Studies in the 2‐Hetarylbenzimidazole Series. Part 8. Synthesis and Properties of 1‐Methyl‐2‐(5‐methylselenophen‐2‐yl)benzimidazole.
Authors: EL'CHANINOV M. M. , SIMONOV A. M. , MAGDESIEVA N. N. , KAMINSKII A. YA. 
Published: May 2016

AbstractCyclization of the selenophenecarboxaldehyde (II) with o‐phenylenediamine (I) gives the selenophen‐2‐ylbenzimidazole (III) which is methylated, producing the title compound (V).
ChemInform Abstract: Addition of 2‐Aroyl Aziridines, Potential Azomethine Ylides, to Phenylisocyanate or Phenylisothiocyanate.
Authors: BENHAOUA H. , TEXIER F. , TOUPET L. , CARRIE R. 
Published: May 2016

AbstractThe title reaction of the aziridines (I) with the isocyanate (II) leads to a mixture of the cycloadducts (III)‐(V).
ChemInform Abstract: Synthesis of Pyrimido(4′,5′‐4,5)thieno(2,3‐b)quinolin‐4(3H)‐ones.
Authors: RAJ T. T. , AMBEKAR S. Y. 
Published: May 2016

AbstractThe synthesis of the title compounds (VI) is accomplished starting from the readily accessible cyanoquinoline‐thiones (I) via the intermediates (III) and (IV).
ChemInform Abstract: Synthesis and Characterization of Mixed Azomethine Derivatives of Silicon(IV).
Authors: SINGH S. V. , SINGH R. V. 
Published: May 2016

AbstractWhen equimolar amounts of silicon tetraacetate (II), N‐(2‐hydroxyethyl)‐o‐hydroxybenzaldimine (Ia), and the corresponding thiol (Ib) are refluxed in benzene, the hexacoordinated silicon compound (III) is formed.
ChemInform Abstract: Chelates of Tetracycline with First Row Transition Metal Perchlorates.
Authors: MIKULSKI C. M. , FLEMING J. , FLEMING D. , KARAYANNIS N. M. 
Published: May 2016

AbstractThe 1:2 molar reaction of corresponding hydrated metal perchlorates with tetracycline in ethanol‐triethyl orthoformate by boiling under reflux leads to the formation of the monomeric hexa‐ and pentacoordinate 2:1 adducts (I) and (II).
ChemInform Abstract: Separation of Cationic Metal Cluster Compounds by Reversed‐Phase HPLC.
Authors: BOS W. , STEGGERDA J. J. , YAN S. , CASALNUOVO J. A. , MUETING A. M. , PIGNOLET L. H. 
Published: May 2016

AbstractReversed‐phase HPLC chromatography on silica gel C18 has proven to be a useful technique for the separation and identification of cationic gold cluster compounds such as (Au9(PPh3)8)3+ and (Au6(PPh3)6)2+ and a variety of mixed Os‐, Ru‐, Re‐ and Pt‐Au cluster compounds.
ChemInform Abstract: Na2PdH2, a Hydride with a Novel Linear (PdH2) Complex.
Authors: NOREUS D. , TOERNROOS K. W. + , BOERJE A. + , SZABO T. , BRONGER W. , SPITTANK H. , AUFFERMANN G. , MUELLER P. + 
Published: May 2016

AbstractThe hitherto unknown title hydride is prepared by reaction of NaH and Pd in a H2 atmosphere at about 370 °C. The compound crystallizes in the tetragonal space group I4/mmm, Z=2.
ChemInform Abstract: X‐Ray Photoelectron Diffraction Studies of the Micas Lepidolite and Biotite.
Authors: ASH L. A. , CLARK S. L. , EVANS S. , HIORNS A. G. 
Published: May 2016

AbstractImproved techniques for the collection and processing of XPD patterns are described including a new procedure for the correction of the variation of instrumental response with the electron take‐off angle.
ChemInform Abstract: Water in Silicate Glasses: Quantitation and Structural Studies by 1H Solid Echo and MAS‐NMR Methods.
Authors: ECKERT H. , YESINOWSKI J. P. , SILVER L. A. , STOLPER E. M. 
Published: May 2016

AbstractIt is demonstrated that high‐power 1H solid‐echo and high‐speed MAS NMR techniques can provide new information of the bonding state of the hydrous species in glasses.
ChemInform Abstract: Formation of Adsorbed Sulfate from the Oxidation of Sulfur Dioxide on Pd(100).
Authors: BURKE M. L. , MADIX R. J. 
Published: May 2016

AbstractThe formation of adsorbed SO4 from SO2 on clean and oxygen‐precovered Pd(100) surfaces is studied by electron energy loss vibrational spectroscopy (EELS), temp.‐programmed desorption/reaction spectroscopy (TPD/TPRS), LEED, and AES.
ChemInform Abstract: Intramolecular Diels‐Alder Reactions of Unsaturated Acylcyclopentadienes and Cyclopentadienecarboxylates.
Authors: PIYASENA H. , GUPTA Y. N. , MUKHERJEE D. , HOUK K. N. 
Published: May 2016

AbstractThermolysis of the tricyclic esters (I) gives the cyclopentadienecarboxylates (II) which are transformed into the lactones (III), (IV) and (V), or (VI) and (VII) on further heating.
ChemInform Abstract: Reaction of 5‐Methyl‐Substituted 1,2,3‐Diazaphospholes and 1,2,3‐Diazaarsoles with Diphenyldiazomethane and Nitrones.
Authors: ARBUZOV B. A. , DIANOVA E. N. , ZABOTINA E. YA. 
Published: May 2016

AbstractReaction of the diazaphosphole (Ia) or the diazaarsole (Ib) with diphenyldiazomethane (II) gives the bicyclic compounds (III).
ChemInform Abstract: Photochemical Rearrangements of Quinone Monoketals. Synthesis of Substituted Cyclopentenones.
Authors: PIRRUNG M. C. , NUNN D. S. 
Published: May 2016

AbstractThe hydroquinones (I) are converted to the quinone monoacetals (VI) via the intermediates (III) and (V) as outlined in the reaction scheme.
ChemInform Abstract: Photosynthesis of Adamantylideneadamantane‐1,2‐dioxetane Sensitized by Uranyl Ions.
Authors: VOLOSHIN A. I. , SHARIPOV G. L. , KAZAKOV V. P. , TOLSTIKOV G. A. 
Published: May 2016

AbstractAdamantylideneadamantane (I) is converted to the dioxetane (II) by photosensitized oxygenation, using uranyl nitrate as sensitizer.
ChemInform Abstract: A Study of the Mechanism of Alkane Hydroxylation Using the Fe(Py)4Cl2‐PhNHNHPh‐O2 System.
Authors: DAVIS R. , DURRANT J. L. A. , KHAN M. A. 
Published: May 2016

AbstractFe(Py)4Cl2, which forms a stable homogenous solution in acetone only in the presence of benzoic acid, catalyzes the oxidation of alkanes such as (I) in the presence of hydrazobenzene.
ChemInform Abstract: Unsolvated Magnesium Diisopropylamide (MDA) in Organic Synthesis. The Reduction of Aldehydes and Ketones to Alcohols.
Authors: SANCHEZ R. , SCOTT W. 
Published: May 2016

AbstractThe ketones (I) are reduced with unsolvated magnesium diisopropylamide to give the alcohols (II).
ChemInform Abstract: Aromatic Sulfonation. Part 100. Sulfonation and Sulfation in the Reactions of the Chloro‐ and Dichlorophenols, 3‐Fluorophenol and (2,3‐, 2,4‐ and 3,4‐Dichlorophenoxy)acetic Acid with Concentrated Aqueous Sulfuric Acid and Sulfur Trioxide.
Authors: DE WIT P. , CERFONTAIN H. 
Published: May 2016

AbstractThe OH group shows an ortho‐ and para‐directing and activating effect which determines the isomer distribution in the sulfonation using SO3 (VII) up to 1.0 equiv. or H2SO4 (II), as is shown for (I) or (VI).
ChemInform Abstract: The Formation of 1,3‐Di‐Grignard Reagents from Small‐Ring 1,3‐Dibromides.
Authors: SEETZ J. W. F. L. , ENT H. , ROOKHUIZEN R. B. , AKKERMAN O. S. , BICKELHAUPT F. 
Published: May 2016

AbstractIn contrast to expectations the dibromide (I) forms the di‐Grignard compound only as a minor component when treated with Mg, the major products being the cycylobutanes (III) and (IV) derived from the mono‐Grignard compound.
ChemInform Abstract: Synthesis of Cyclopentenyl Sulfones via the (3 + 2) Cyclization‐Elimination Reaction of (Phenylsulfonyl)allene.
Authors: PADWA A. , YESKE P. E. 
Published: May 2016

AbstractReaction of dimethyl malonate (I) with the allene (II) in the presence of a trace of NaH gives the Michael‐type adduct (III) which rearranges to the thermodynamically more stable isomer (IV).
ChemInform Abstract: Reaction of Polyfluorocarbonyl Compounds with Phenoxides.
Authors: DYACHENKO V. I. , KOLOMIETS A. F. , FOKIN A. V. 
Published: May 2016

AbstractThe phenolates (I) are coupled with hexafluoroacetone (II) to give the mono‐ (III), bis‐ (IV) and (V), or tris(hydroxyhexafluoroisoproyl)phenolates (VI), depending on the substitution pattern, the molar ratio, and the reaction conditions.
ChemInform Abstract: Anomalous Hydrolysis of 1,3‐Dithianes with Ceric Ammonium Nitrate.
Authors: LANSBURY P. T. , ZHI B.‐X. 
Published: May 2016

AbstractThe 1,3‐dithianes (I) react with ceric ammonium nitrate to give the unexpected α,β‐unsaturated ketones (II).
ChemInform Abstract: 1,3‐Dipolar Cycloaddition Reactions of Azomethine Ylides Generated in situ Through Condensation of Secondary α‐Amino Esters with Benzaldehyde.
Authors: JOUCLA M. , MORTIER J. , HAMELIN J. , TOUPET L. 
Published: May 2016

AbstractThe azomethine ylide generated from benzaldehyde (I) and the benzylglycinate (II) undergo cycloaddition with the maleate (III) to give the adduct (IV), whose X‐ray structure is reported (space group P21/n, Z=4).
ChemInform Abstract: Cyclic Acylimines. Part 1. Synthesis and Reactivity of Isoquinoline‐1,4‐diones.
Authors: ALONSO‐SILVA I. J. , PARDO M. , SOTO J. L. 
Published: May 2016

AbstractAcetoxylation of the dihydroisoquinolinediones (I) gives the acetoxy derivatives (III).
ChemInform Abstract: Chemistry of Heterocyclic Compounds. Part 125. An Improved Synthesis of 3‐Carbomethoxy‐4H‐quinolizone via Palladium(II) Assistance.
Authors: NEWKOME G. R. , THERIOT K. J. , FRONCZEK F. R. , CASTEN C. C. 
Published: May 2016

Abstract2‐Vinylpyridine (I) and Pd(II) chloride (II) form the complex (III) which reacts with dimethyl malonate (IV) under basic conditions to produce the carbomethoxyquinolizone (V).
ChemInform Abstract: A Simple, One‐Pot Synthesis of 3,4‐Dihydro‐4‐phenacyl‐2H‐1,3‐benzoxazin‐2‐ones.
Authors: LATIF N. , ASAAD F. M. , GRANT N. 
Published: May 2016

AbstractCyclocondensation of the 2‐hydroxychalcones (I) with the isocyanates (II) in the presence of potassium hydroxide yields directly the title compounds (III), whereas reaction of (I) with methyl isocyanate (IIa) in the presence of triethylamine forms the carbamates (IV).
ChemInform Abstract: A Convenient Synthesis of 5‐Aryl‐6‐trifluoromethyl‐3,6‐dihydro‐2H‐1,3,4‐oxadiazines. A Silica Gel Catalyzed Novel Cyclization Reaction.
Authors: KAMITORI Y. , HOJO M. , MASUDA R. , FUJITANI T. , OHARA S. , YOKOYAMA T. 
Published: May 2016

AbstractAcylation of the hydrazones (I), derived from aromatic aldehydes, with trifluoroacetic anhydride (II) yields the α‐trifluoroacetyl hydrazones (III) which cyclize on treatment with silica gel, forming the title compounds (IV).
ChemInform Abstract: A Novel Approach to 1,4‐Oxathiocins: The Thermal Rearrangement of Thiophenium Methylides.
Authors: METH‐COHN O. , VUORINEN E. 
Published: May 2016

AbstractThe 2,5‐dichlorothiophenes (I) are coupled with the diazoketones (II) in the presence of a Rh‐catalyst to give the sulfur ylides (III) which rearrange to produce the 1,4‐oxathiocins (IV).
ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 13. A Highly Diastereoselective and Enantioselective Addition of ((Z)‐γ‐Alkoxyallyl)diisopinocampheylboranes to Aldehydes.
Authors: BROWN H. C. , JADHAV P. K. , BHAT K. S. 
Published: May 2016

AbstractThe isomerically pure borane (III) is prepared from the olefin (I) and the (+)‐α‐pinene‐derived compound (II).
ChemInform Abstract: Structure of a Homoborirene.
Authors: PUES C. , BAUM G. , MASSA W. , BERNDT A. 
Published: May 2016

AbstractThe fluorenylborane (III) prepared from (I) and (II) reacts with hexyne (IV) by trapping of the intermediate fluorenylideneborane (V) to give the title compound (VI), the structure of which is investigated.
ChemInform Abstract: Boron Compounds. Part 80. 2,5‐Dihydro‐1,2,5‐thiasilaboroles. Preparation and Complexations.
Authors: KOESTER R. + , SEIDEL G. , BOESE R. , WRACKMEYER B. 
Published: May 2016

AbstractThe two dihydrothiasilaboroles (III) are easily prepared according to the scheme.
ChemInform Abstract: Oxo(tri‐tert‐butylphenyl)borane ArBO as an Intermediate.
Authors: GROTEKLAES M. , PAETZOLD P. 
Published: May 2016

AbstractThe hydridoborate (III), obtained as shown, can be hydrolyzed to (IV), but in strongly acidic media the hydrolysis involves the attack of a neighboring methyl group to give the boraindan derivative (V).
ChemInform Abstract: The Synthesis and Reactivity of Polysilylacetylenes: Diels‐Alder Reactions to give Bissilylbenzenes.
Authors: JONES P. R. , ALBANESI T. E. , GILLESPIE R. D. , JONES P. C. , NG S. W. 
Published: May 2016

AbstractBis(bromomagnesium)acetylene (I), prepared from acetylene and ethylmagnesium bromide, reacts with the chlorosilane (II) to give the bis(silyl)acetylene (III) which is subjected to radical‐induced chlorination, producing a mixture of the mono‐ and dichlorosilanes (IV) and (V).
ChemInform Abstract: Studies on Nitrogen‐Containing Heterocyclic Compounds. Part 49. Reissert Type′s Reaction of N‐Acylphenanthrolinium Salt and N‐Acylacridinium Salt with Trimethyl Phosphite.
Authors: SHIBATA Y. , TAKEUCHI I. , HAMADA Y. 
Published: May 2016

AbstractThe phenanthrolines (I) and (VI) or acridine (IX) react with the acyl chlorides (II) and trimethyl phosphite (III) to give the phosphonates (IV) and (V), (VII) and (VIII), or (X) and (XI).
ChemInform Abstract: Preparation and (1 + 4)‐Cycloaddition of Methylthio‐chlorophosphanes RP(Cl)SMe (R: Me, Et, Ph).
Authors: APITZ J. , GROBE J. , LE VAN D. 
Published: May 2016

AbstractCondensation of the compounds (I) and (II) gives the title compounds (III); (IIIa) and (IIIb) are used to produce the phospholene sulfides (V).
ChemInform Abstract: An Experimental and Theoretical Study of the Dimetalation of Vinylacetylene.
Authors: BRANDSMA L. , HOMMES H. , VERKRUIJSSE H. D. , KOS A. J. , NEUGEBAUER W. , BAUMGAERTNER W. + , VON RAGUE SCHLEYER P. 
Published: May 2016

AbstractThe direct dimetalation of (I) can be achieved under the conditions shown, but it is not observed in the presence of N,N,N',N'‐tetramethylethylenediamine.
ChemInform Abstract: Synthesis and Reactions of (Trimethylgermyl)acetates.
Authors: INOUE S. , SATO Y. , SUZUKI T. 
Published: May 2016

AbstractBase‐assisted trimethylgermylation of ethyl acetate (I) yields the germylacetate (IIIa), which like its silyl analogue (IIIb) undergoes further trimethylgermylation to give the esters (IV).
ChemInform Abstract: Preparation and Characterization of Hexakis(trifluoromethyl)digermachalcogenanes.
Authors: HAAS A. , KUTSCH H.‐J. 
Published: May 2016

AbstractThe title compounds (IIIa)‐(IIIc), prepared as outlined in the scheme, and the known compound (IIId) are characterized by IR, 19F, 13C NMR and mass spectral data.
ChemInform Abstract: Reaction of Benzoyltriethylgermane with Triethylgermyllithium.
Authors: BRAVO‐ZHIVOTOVSKII D. A. , BILTUEVA I. S. , VAKUL'SKAYA T. I. , VYAZANKIN N. S. , VORONKOV M. G. 
Published: May 2016

AbstractReaction of the benzoylgermane (I) with triethylgermyllithium (II) in HMPA gives the digermane (III) and phenyllithium (IV).
ChemInform Abstract: Synthesis, Stereochemistry and Inhibition of Tumor Cell Transplantability by the Iron and Copper Complexes of 2‐Aminomethyl‐ and 2‐(2′‐Aminoethyl)pyridine.
Authors: BAMGBOYE T. T. 
Published: May 2016

AbstractThe complexes (I) are prepared by 1:2 molar reaction of appropriate metal(II) chlorides with the title ligands in acetonitrile (no yields given).
ChemInform Abstract: Ortho‐Metalation Reactions in Binuclear Dirhodium Compounds. Synthesis and Molecular Structure of an Unsymmetrical Rh4+ 2 Compound with Two Different Ortho‐Metalated Phosphines.
Authors: COTTON F. A. , BARCELO F. , LAHUERTA P. , LLUSAR R. , PAYA J. , UBEDA M. A. 
Published: May 2016

AbstractThe Rh2 complex (I) containing axial o‐chlorophenyldiphenylphosphine ligands undergoes ortho metallation in refluxing CHCl3 to give the product (II).
ChemInform Abstract: Preparation of Platinum(II) Complexes with β‐Carbolines and Tetrahydro‐β‐carbolines as Ligands.
Authors: BENDERLY A. , STAVCHANSKY S. , FITCH J. W. 
Published: May 2016

AbstractThe carbohydrazides (I) of β‐carboline and the carbohydrazides (IIa), the allylcarboxamide (IIc), and alkylaminomethyl derivative (IIb) of tetrahydro‐β‐carboline are obtained from the corresponding 3‐carboxylic ethyl esters by reaction with hydrazines and amines, for (IIb) followed by hydrogenation (using LiAlH4).
ChemInform Abstract: A Convergent, Enantiospecific Total Synthesis of the Novel Cyclodepsipeptide (+)‐Jasplakinolide (Jaspamide).
Authors: GRIECO P. A. , HON Y. S. , PEREZ‐MEDRANO A. 
Published: May 2016

AbstractThe amino acids (I)/(III) and the acid (VI) represent starting materials for the preparation of the synthons (V) and (XII), respectively.
ChemInform Abstract: Synthesis of N‐(Hydroxyphenyl)‐2‐azetidinones.
Authors: COSTEROUSSE G. , CAGNIANT A. , TEUTSCH G. 
Published: May 2016

AbstractDerivatives of the title compounds (V) with nitrated phenyl ring are obtained from the reaction of the intermediate (II) with HNO3/AcOH followed by the reaction sequence (II)‐(V).
ChemInform Abstract: A Simple and Efficient Synthesis of the γ‐Lactam Analogue of β‐Lactam Antibiotics. Ring‐Expansion of Penicillins to Homopenicillins.
Authors: MAKI Y. , SAKO M. , KURAHASHI N. , HIROTA K. 
Published: May 2016

AbstractReaction of benzylpenicillin methyl ester (I) with trimethylsulfoxonium iodide (II) results in cleavage of the β‐lactam ring, forming the ylide (III).
ChemInform Abstract: 1H and 13C NMR Coordination‐Induced Shifts in a Series of Tris(α‐diimine)ruthenium(II) Complexes Containing Pyridine, Pyrazine, and Thiazole Moieties.
Authors: ORELLANA G. , ALVAREZ IBARRA C. , SANTORO J. 
Published: May 2016

Abstract1H and 13C NMR chemical shifts of the complexes (I) are reported and compared to those of the corresponding free ligands.
ChemInform Abstract: Transition‐Metal‐Mediated Photochemical Disproportionation of Carbon Dioxide.
Authors: BELMORE K. A. , VANDERPOOL R. A. , TSAI J.‐C. , KHAN M. A. , NICHOLAS K. M. 
Published: May 2016

AbstractContinuous GC, IR, and 1H NMR monitoring confirm that the irradiation of the dihydride (I) in THF under CO2 (II) leads within 1‐3 h to the disappearance of the starting complex (I) and to the formation of the η2‐CO2 complex (III), the dimeric compound (V), and H2.
ChemInform Abstract: Preparation, Structure, and Properties of 1,6‐Cyclodecadiyne. ‐ Comparison with 1,5‐Cyclooctadiyne and 1,7‐Cyclododecadiyne.
Authors: GLEITER R. , KARCHER M. , JAHN R. , IRNGARTINGER H. 
Published: May 2016

AbstractAn improved access to the diketone (II) is shown starting from decalin.
ChemInform Abstract: Synthesis and Solid‐State Polymerization Properties of Symmetrical and Unsymmetrical Diacetylene Derivatives Containing a ′Polymerogenic′ Side Group.
Authors: BERTAULT M. , CANCEILL J. , COLLET A. , TOUPET L. 
Published: May 2016

AbstractThe hexadiynediol (I) reacts with benzyl isocyanate (II) to give the carbamates (IIIa) and (IIIb).
ChemInform Abstract: Synthesis and Thermolysis of Hydroxyalkene Lactones or Lactams Possessing a Morpholinobicycloalkyl Moiety.
Authors: MAISCHEIN J. , VILSMAIER E. 
Published: May 2016

AbstractThe N,O‐acetals (I) react with the CH acidic hydroxycoumarin (II) to give the alkylation products (III).
ChemInform Abstract: Anthelmintics. Part 6. Chloro‐(1,2,3,4‐tetrahydro‐1‐quinolyl)‐1,3,5‐triazines.
Authors: KREUTZBERGER A. , KOCHANOWSKI R. 
Published: May 2016

AbstractThe dichlorotriazine (I) reacts with the secondary amines (II) and the primary amines (IV) to form the substituted chlorotetrahydroquinolyltriazines (III) and (V).
ChemInform Abstract: Photochemically Induced Electron‐Transfer Reactions. Part 4. Podands, Coronands and Cryptands as New Complex‐Ligands in Photoelectron Transfer Reactions: Synthesis and Photophysical Studies.
Authors: DUERR H. + , ZENGERLE K. , TRIERWEILER H.‐P. 
Published: May 2016

AbstractThe cryptand (III) and the podand (VI) are synthesized starting from the readily available tosyl amide (Ia) as outlined in the scheme using the components (Ib) or (IV).