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Facet   section ZfN Section B:Volume 035  [X]
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1980 (345)
1Author    Erwin Brechtel, Gerhard Cordier, Herbert SchäferRequires cookie*
 Title    Zur Darstellung und Struktur von CaMnBi 2 On the Preparation and Crystal Structure of CaMnBi2  
 Abstract    The new compound CaMnBi2 has been analytically and structurally characterized. CaMnBi2 crystallizes in the tetragonal system (a — 450 ^ 1 pm, c = 1108 ± 2 pm, space group P4/nmm). Mn and Bi atoms form fourfold pyramids, connected by common edges in the basis to two-dimensional sheets. These sheets are separated by double layers of Ca atoms between which further Bi atoms are located forming squarenets. The structure is strongly related to that of SrZnSb2 which can be interpreted as a distorted variant of the new CaMnBi 2 type. 
  Reference    (Z. Naturforsch. 35b, 1—3 [1980]; eingegangen am 28. September 1979) 
  Published    1980 
  Keywords    Intermetallic Compound, Crystal Structure, Ternary Bismutide 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0001.pdf 
 Identifier    ZNB-1980-35b-0001 
 Volume    35 
2Author    J. Schmachtel, Hk, Müller-BuschbaumRequires cookie*
 Title    Oxotitanate mit gemischter Valenz, II Zur Kenntnis von Sr2Ti6013 Oxotitanates with Mixed Valence, II About Sr2Ti60i3  
 Abstract    Single crystals of Sr2TieOi3 were prepared by heating a mixture of SrO • Ti203 • 2 TiOo in a vacuum furnace to 1800 °C for 6 hours. X-ray investigations show monoclinic sym-metry (a = 1525,0, b = 376,9, c = 916,4 pm; ß = 99,15°, space group Cgh-C2/m). Sr2Ti60i3 is isotypic with Ba2Ti60i3. 
  Reference    (Z. Naturforsch. 35b, 4—6 [1980]; eingegangen am 9. Oktober 1979) 
  Published    1980 
  Keywords    Strontium, Titanium, Oxygen, Crystal Structure 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0004.pdf 
 Identifier    ZNB-1980-35b-0004 
 Volume    35 
3Author    ChrL. TeskeRequires cookie*
 Title    Darstellung und Kristallstruktur von Barium-Quecksilber-Thiostannat(IV), BaHgSnS4 Preparation and Crystal Structure of Barium-Mercury-Thiostannate(IV), BaHgSnS4  
 Abstract    BaHgSnS4 was prepared for the first time and the crystal structure determined by using single crystal X-ray methods, a = 1080,4, b — 1084,o, c — 661,3 pm. Space group: C^-Pnn2 (No. 34) orthorhombic. There are pairs of edge-sharing tetrahedra linked together to form two-dimensional net works. The crystal structure is similar to that of BaCdSnS4 [1]. 
  Reference    (Z. Naturforsch. 35b, 7—11 [1980]; eingegangen am 26. September 1979) 
  Published    1980 
  Keywords    Quaternary Sulfides, Mercury, Preparation, Crystal Structure 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0007.pdf 
 Identifier    ZNB-1980-35b-0007 
 Volume    35 
4Author    Bernt Krebs, Diethard SinramRequires cookie*
 Title    B. Krebs-D. Sinram * Darstellung, Struktur und Eigenschaften einer neuen Modifikation von Nbls 20 Preparation, Structure and Properties of a New Modification of Nbls  
 Abstract    Triclinic niobium(V) iodide was prepared from the elements at an iodine pressure of 3-4 bar in a temperature gradient from 400 to 230 °C. It crystallizes in the space group PI with a = 7.591(3), b = 10,322(3), c = 6.977(3) A, a = 90.93(3), ß = 116.17(3), y = 109.07(3)°, Z = 2 Nbls. The single-crystal X-ray structure analysis shows the compound to contain dimeric Nb2lio molecules with Nb-I bond lengths of 2.933 and 2.939(1) A for the bridge bonds and of 2.639 • • • 2.720(1) A for the terminal bonds. The structure is isotypic with triclinic /S-UCI5. The infrared spectrum indicates stretching vibrations at 148, 202, 214 and 242 cm-1 . 
  Reference    (Z. Naturforsch. 35b, 12—16 [1980]; eingegangen am 26. September 1979) 
  Published    1980 
  Keywords    Niobium(V) Iodide, Transition Metal Halides, Crystal Structure, Vapour Transport 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0012.pdf 
 Identifier    ZNB-1980-35b-0012 
 Volume    35 
5Author    W. Dietrich, H. K. Eisinger, H. P. LatschaRequires cookie*
 Title    Reaktionen von SbCl5 mit Acetoaeetanilid Reactions of SbCls with Acetoacetanilide  
 Abstract    Antimony(V) Chloride, Acetoacetanilide At room temperature acetoacetanilide and antimony(V) chloride form a 1:1-(1) and a l:2-adduct (2). These adducts react to the heterocycles CioHioCUNC^Sb (3) and CioHsClsNC^Sb (4). 3 exists in solution in two stereoisomers. The Free Energy of Activa-tion for the transformation of the isomers is estimated. 
  Reference    (Z. Naturforsch. 35b, 17—19 [1980]; eingegangen am 24. Juli 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0017.pdf 
 Identifier    ZNB-1980-35b-0017 
 Volume    35 
6Author    M. VeithRequires cookie*
 Title    Cyclische Diazastannylene, VIII [1] Die Kristall-und Molekülstruktur eines Iminostannylens: Sn3 (NC(CH3 )3 )4 H2 Cyclic Diazastannylenes, VIII [1] The Crystal and Molecular Structure of an Iminostannylene: Sn3(NC(CH3)3)4H2  
 Abstract    The crystal and molecular structure of the compound Sn3(NC(CH3)3)4H2 has been determined from X-ray data (R = 0.044). The crystals are cubic, space group Pa3, with cell dimension a — 1713.6(8) pm and Z = 8. The molecules, which have a seco-norcubane like Sn3N4 framework, are statistically disordered, thus forming closed packed pairs of molecules. The Sn3N4 cage deviates strongly from a cube, the bond angles at Sn approach-ing 80°, and at N 100°. The averaged Sn-N bond distance is 223(1) pm. 
  Reference    (Z. Naturforsch. 35b, 20—24 [1980]; eingegangen am 3. September/8. Oktober 1979) 
  Published    1980 
  Keywords    Iminostannylenes, X-ray, Crystal Structure, Molecular Structure, Disorder 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0020.pdf 
 Identifier    ZNB-1980-35b-0020 
 Volume    35 
7Author    Armin Weiss, Gerd Beil, Heinrich MeyerRequires cookie*
 Title    The Topochemical Reaction of CaSi2 to a Two-Dimensional Subsiliceous Acid Si6H3(OH)3 (= Kautskys' Siloxene)  
 Abstract    Kautsky's siloxene was prepared in a topochemical reaction from large crystals of CaSi2. The structure model was revised. Siloxene is a subsiliceous acid [Sie]H3(OH)3 and consists of two-dimensional corrugated Si-layers with three Si-Si bonds per silicon and an OH-or H-ligand, respectively. Ordering of adjacent layers is turbostratic. The layer lattice is capable of forming intercalation complexes. On intercalation only the layer distance is changed. The alkoxylated derivatives Si6H3(OCH3)3" and Si6H3(OC2H5)3" are also able to inter-calate polar molecules. 
  Reference    (Z. Naturforsch. 35b, 25—30 [1980]; eingegangen am 24. August 1979) 
  Published    1980 
  Keywords    Topochemical Reaction, Calciumdisilicide, Subsiliceous Acid, Siloxene, Intercalation Reactions 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0025.pdf 
 Identifier    ZNB-1980-35b-0025 
 Volume    35 
8Author    Manfred Weide, Helge Pesel, ++, Dang Van, Hieu ++Requires cookie*
 Title    mit starken intramolekularen sterischen Wechselwirkungen, IX [1] terf-Butylsubstituierte Di-und Trisiloxane Silicon Compounds with Strong Intramolecular Steric Interactions, IX [1] tert-Butyl Substituted Di-and Trisiloxane s  
  Reference    (Z. Naturforsch. 35b, 31—34 [1980]; eingegangen am 23. August 1979) 
  Published    1980 
  Keywords    l, l, 3, 3-Tetra-£er£-butyldisiloxane-l, 3-diol, Penta-fer£-butyldisiloxanol, Steric Hindrance, Mass Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0031.pdf 
 Identifier    ZNB-1980-35b-0031 
 Volume    35 
9Author    H. C. Marsmann+, W. Raml++, E. Hengge++Requires cookie*
 Title    29 Si-Kernresonanzuntersuchiingeii an Polysilanen 1. Perchlorpolysilane 29 Si NMR Investigations on Polysilanes 1. Perchloropolysilanes  
 Abstract    Several oligomeric perchloro silanes of the type Cl2n+2Sin (n= 1 to 6) were studied by 29 Si NMR. n-Cli2Si5 was synthesized for the first time. Structures of isomeric silanes could be determined by substituent effects. 
  Reference    (Z. Naturforsch. 35b, 35—37 [1980]; eingegangen am 29. Juni/13. September 1979) 
  Published    1980 
  Keywords    Perchlorinated Polysilanes, Structure, 29 Si NMR Spectra, Substituent Effect 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0035.pdf 
 Identifier    ZNB-1980-35b-0035 
 Volume    35 
10Author    Herbert Schumann, Joachim OpitzRequires cookie*
 Title    Di-//-iodo  
 Abstract    bis [dicarbonyl(di-iert-butylphosphin)ruthenium(I)] (Ru-Ru) und Bis(tri-terf-butylphosphonium)-di-^-iodo-bis[carbonyl-diiodo-(di-iert-butylphosphin)ruthenium(II)] Di-/*-iodo-bis[dicarbonyl(di-£er^butylphosphine)ruthenium(I)](Ru-Ru) and Bis(tri-£er^butylphosphonium)di-//-iodo-bis[carbonyl-diiodo-(di4er£-butylphosphine)ruthenium(II)] 
  Reference    (Z. Naturforsch. 35b, 38—44 [1980]; eingegangen am 19. Juli 1979) 
  Published    1980 
  Keywords    Ruthenium(I) Complex, Di-JerJ-butylphosphine, NMR Spectra, Ruthenium(II) Complex, Tri-ter£-butylphosphonium Salt 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0038.pdf 
 Identifier    ZNB-1980-35b-0038 
 Volume    35 
11Author    Karl-Heinz Tytko, Georgios Petridis, Bernd Schönfeld, RamanSpectrophotometric Isopolymolybdates, Titrations, Raman Fingerprint, SpectroscopyRequires cookie*
 Title    Die Isopolymolybdationen in wäßrigen Medien im Bereich Z < 1,14 Concerning Isopolymolybdate Ions in Aqueous Media in the Range Z < 1.14  
 Abstract    The system H+/Mo04 2_ was investigated by Raman spectroscopy in the range Z = 0 to 1.14 at initial concentrations Cmo042-= 0.02 to 2M and concentrations of the ionic medium CMe+ = 2CMOO42-to 3 M Me(Cl,NOg) (Me = Li, Na, K,NH4, Mg/2). The mole-ratio method and intensity difference diagrams do not indicate any species between Mo04 2-and M07O24 6 "" contrary to propositions in recent papers. A detailed evaluation of the extensive data shows the possible portion of such species to be <3%, this value having a statistical certainty of 95%. Comparing the solutions having Z = 1.1 by fingerprint procedures, in all cases Mo7024 6_ is the first main product (detectable by static methods) irrespective of the nature and concentration of the ionic medium. Thus, Mg 2+ ions do not influence the course of aggregation of molybdate ions as has been proposed in the literature. This is in accord-ance with theoretical investigations since the Mo7024 6_ ion has the distinction of a number of favourable structural parameters in the system that become operative in case of scarcity of H+ ions. 
  Reference    (Z. Naturforsch. 35b, 45—56 [1980]; eingegangen am 22. März/10. Oktober 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0045.pdf 
 Identifier    ZNB-1980-35b-0045 
 Volume    35 
12Author    HansJoachim Breunig, Vassiliki Breunig-LyritiRequires cookie*
 Title    Die Spaltung von Tetrahydrofuran mit Trimethylchlorsilan und Dialkylantimoniodid Cleavage of Tetrahydrofurane by Trimethylchlorosilane and Dialkylantimonyiodide 1 -Dimethylstibino-4-trimethylsiloxibutane, 1 -Diethylstibino-4-trimethylsiloxibutane, Tetramethyldistibane, Tetraethyldistibane  
 Abstract    In the reaction of dimethyl-and diethylantimony iodide with magnesium, trimethyl-chlorosilane and tetrahydrofurane the new compounds 1-dimethyl-and diethylstibino-4-trimethylsiloxibutane 1, 2 are produced. The reactions of dimethyl-and diethylanti-mony bromides with magnesium in THF in the presence of trimethylchlorosilane only yield the corresponding distibanes. 
  Reference    (Z. Naturforsch. 35b, 57—59 [1980]; eingegangen am 24. September 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0057.pdf 
 Identifier    ZNB-1980-35b-0057 
 Volume    35 
13Author    Mit Ticl4, Bzw Sbcl5, Abdel-Fattah Shihada, AbdulalahT. MohammedRequires cookie*
 Title    Zur Reaktion von Trimethylsilyl-difluorophosphat, Trimethylsilyl-dimethylphosphinat und Difluorophosphorsäureanhydrid On the Reactions of Trimethylsilyl Difluorophosphate, Trimethylsilyl Dimethylphosphinate and Difluorophosphoric Acid Anhydride with TiCU and SbCU, respectively  
 Abstract    TiCU reacts with trimethylsilyl difluorophosphate (Me3SiP02F2) and with trimethylsilyl dimethylphosphinate (Me3SiP02Me2) at room temperature under cleavage of the Si-0 bond to give the principal products Cl2Ti(P02F2)2 and Cl2Ti(P02Me2)2, respectively. The former product has also been obtained from the reaction of P2O3F4 with TiCU-SbCls is capable of cleaving the P-0 bond in P2O3F4 to give Cl4SbP02F2, but forms addition compounds with Me3SiPC>2F2 and Me3SiPC>2Me2 in which the terminal oxygen atoms of the esters are bound to antimony. IR spectra have been used to elucidate the structures of the prepared compounds. 
  Reference    (Z. Naturforsch. 35b, 60—63 [1980]; eingegangen am 6. September 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0060.pdf 
 Identifier    ZNB-1980-35b-0060 
 Volume    35 
14Author    Jochen Eilermann, Martin LietzRequires cookie*
 Title    Chemie polyfunktioneller Liganden, 56 [1] Darstellung von N-Deutero  
 Abstract    bis(diphenylphosphino)amin, sowie schwingungsspektroskopischer Vergleich mit Bis(diphenylphosphino)amin und Lithium-bis(diphenylphosphino)amid Chemistry of Polyfunctional Ligands, 56 [1] Preparation of N-Deutero-bis(diphenylphosphino)amine, as well as the Vibrational Spectroscopic Comparison with Bis(diphenylphosphino)amine and Lithium-bis(diphenylphosphino)amid N-Deutero-bis(diphenylphosphino)amine, Vibrational Spectra, 31 P NMR Spectra, 1 H NMR Spectra Bis(diphenylphosphino)amine, [(CeHs^P^NH (1), can be metallated with n-butyl-lithium to hthium-bis(diphenylphosphino)amid, [(CeHs^P^NLi (2), It reacts with CH3OD to give N-Deutero-bis(diphenylphosphino)amine, [(CöHshP^ND (3). The compounds were characterized by infrared, Raman, and 31 P NMR spectroscopy. 
  Reference    (Z. Naturforsch. 35b, 64—67 [1980]; eingegangen am 24. September 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0064.pdf 
 Identifier    ZNB-1980-35b-0064 
 Volume    35 
15Author    Richard Fedrigolli, KarlE. SchwarzhansRequires cookie*
 Title    Kupfer(II)-Komplexe mit dia-und paramagnetischen Carboxylatliganden Copper(II) Complexes with Dia-and Paramagnetic Carboxylate Ligands  
 Abstract    The stable free radicals 4-carboxy-2,2,6,6-tetramethylpiperidinooxyl, 4-carboxy-methylene-2,2,6,6-tetramethylpiperidinooxyl, 4-carboxymethyl-2,2,6,6-tetramethylpipe-ridinooxyl and 3'-carboxy-2,2,6,6-tetramethylpiperidine-4-spiro-2'-oxirane-l-yloxyl have been prepared and used as ligands in copper(II) complexes. The magnetic moments and the EPR spectra of the complexes and the free radicals have been investigated and compared with complexes containing diamagnetic cyclohexanecarboxylic acid or cyclo -hexaneacetic acid ligands. One of the copper(II) complexes shows a considerable inter-action between the nitroxyl radicals of the ligands. 
  Reference    (Z. Naturforsch. 35b, 68—70 [1980]; eingegangen am 8. Oktober 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0068.pdf 
 Identifier    ZNB-1980-35b-0068 
 Volume    35 
16Author    J. Behrensdorf, W. PreetzRequires cookie*
 Title    Darstellung und Eigenschaften von ira7is-Dihalogeno-tetrakis(pyridin)osmium(II)-Komplexen Preparation and Properties of £raws-Dihalo-tetrakis(pyridine)osmium(II) Complexes  
  Reference    (Z. Naturforsch. 35b, 71—73 [1980]; eingegangen am 24. September 1979) 
  Published    1980 
  Keywords    £rans-Dihalo-tetrakis(pyridine)osmium(II), Adducts, IR, Raman Spectra, Mass Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0071.pdf 
 Identifier    ZNB-1980-35b-0071 
 Volume    35 
17Author    Othmar Stelzer, Norbert WeferlingRequires cookie*
 Title    Reaktionen koordinierter Liganden, VI [1] Substituenteneinflüsse bei der Bildung von Tri-und Tetraphosphinen in der Koordinationssphäre von Übergangsmetallen Reactions of Coordinated Ligands, VI [1] Influence of Substituents on the Formation of Tri-and Tetraphosphines in the Coordination Sphere of Transition Metals  
 Abstract    The lithiumphosphido complex cis-Mo(CO)4(Me2PLi)2 reacts with dichlorophosphines RPCI2 (R = Ph, Bu') to give coordination compounds of tetraphosphines Me2P-PR-PR-PMe2, whereas the complex of the triphosphine eis -Mo (CO)4 (Ph2P-PMe-PPh2) is obtained starting with the lithiumphosphido complex cis-Mo(CO)4(Ph2PLi)2. Phenyldilithiumphosphine and the chlorophosphine complexes cis-Mo(CO)4(R2PCl)2 (R = Me, Ph) give in low yield cis-Mo(CO)4(R2P-PPh-PPh-PR2) and cis-Mo(CO)4(R2P-PPh-PR2). The mechanisms of these reactions are discussed. The {3ippjj-and { 1 H} 31 P-NMR spectra are analysed and correlated with the structures of these complexes. 
  Reference    (Z. Naturforsch. 35b, 74—81 [1980]; eingegangen am 13. Juni 1979) 
  Published    1980 
  Keywords    Lithiumphosphido Complexes, Tri-and Tetraphosphine Complexes, Halogen-Metal Exchange, NMR Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0074.pdf 
 Identifier    ZNB-1980-35b-0074 
 Volume    35 
18Author    Olli Orama, Ulrich Schubert, FritzRoland Kreißl, ErnstOtto FischerRequires cookie*
 Title    Übergangsmetall-Carbin-Komplexe, LVI [1] Umsetzung eines kationischen Carbin-Komplexes mit einem Carbonylmetallat. Der Phenylketenyl-Rest als Briickenhgand Transition Metal Carbyne Complexes, LVI [1] Reaction of a Cationic Carbyne Complex with a Carbonylmetalate. The Phenylketenyl Group as a Bridging Ligand  
 Abstract    By reaction of [(jr^HsHCOfeMnEEC-CeHslBCLi with NaRe(CO)5 a new type of complex is obtained. It crystallizes in the monoclinic space group P 2i/c, Z = 4, a — 1115(1), b= 1464(1), c= 1657(2) pm, ß= 136.79(8)°. Structure determination reveals a binuclear complex, the Mn-Re bond (281.7(3) pm) of which is bridged by the a-carbon atom of a phenylketenyl group (Mn-C 221(3), Re-C 224(3) pm) and semi-bridged by a CO group (Mn-C 187(4), Re-C 254(4), Mn-C-0 160(3)°). 
  Reference    (Z. Naturforsch. 35b, 82—85 [1980]; eingegangen am 2. Oktober 1979) 
  Published    1980 
  Keywords    Carbyne Complex, X-ray, Metal-Metal Bond 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0082.pdf 
 Identifier    ZNB-1980-35b-0082 
 Volume    35 
19Author    Heinz BerkeRequires cookie*
 Title    Reaktionen von Dicarbonyl (?/-cyclopentadienyl)(propiolsäuremethylester)niangan(I) mit Basen. Isolierung von Vinyliden-und Carbenkomplexen Reactions of Dicarbonyl(?/-cyclopentadienyl)(methylpropiolate)manganese(I) with Bases The Isolation of Vinylidene and Carbene Complexes  
 Abstract    Reaction of dicarbonyl(»y-cyclopentadienyl)(methylpropiolate)manganese(I) with various stoichiometric quantities of £er£-butyl lithium and subsequent addition of HCl or CH3OSO2F allows the isolation of vinylidene complexes of the general type CpMn(CO)2 = C = CRiR2 Ri = H, CH3; R2 = COOCH3, COf-Bu, COH(«-Bu)2). The compound with RX=H, R2 — COOCH3 adds another CpMn(CO)2 fragment, with formation of a bridged vinylidene species with a Cp2Mn2(CO)4 unit. The reaction with amide or methoxide leads to the formation of carbene complexes CpMn(CO)2 = C(Ri)CH2-COOCH3 (Rx = NH2, OCH3). 
  Reference    (Z. Naturforsch. 35b, 86—90 [1980]; eingegangen am 10. Juli/19. Oktober 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0086.pdf 
 Identifier    ZNB-1980-35b-0086 
 Volume    35 
20Author    Mohemed Ezzat, Kandeel, Usef Kamal, MohamedHilmy Sadek, ElnagdiRequires cookie*
 Title    Reactions with the Arylhydrazones of some a-Cyanoketones  
 Abstract    Arylhydrazones, a-Cyanoketones The N-methylarylhydrazones of mesoxalodinitrile (3) and of ethyl cyanoglyoxalate (7) could be prepared via methylation of the corresponding phenylhydrazones 4 and 6 respectively. The hydrazones 3 and 8 reacted with hydrazine hydrate to yield the amidra-zone 1 and the hydrazide 2 b. The behavior of compounds 1 and 2 a, b towards a variety of reagents is reported. A variety of new a-arylhydrazononitriles were synthesised. 
  Reference    (Z. Naturforsch. 35b, 91—94 [1980]; received May 10 1979) 
  Published    1980 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0091.pdf 
 Identifier    ZNB-1980-35b-0091 
 Volume    35 
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