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81Author    Gernot Heckmann, Ekkehard Fluck, Peter KuhmRequires cookie*
 Title    A [l,3,4]Thiazaphospholidine, Preparation and NMR Data  
 Abstract    Preparation and properties of a [l,3,4]thiaza-phospholidine are described. The 31 P. 13 C and 'H NMR spectra in double and triple resonance mode are recorded and discussed in detail. 
  Reference    (Z. Naturforsch. 42b, 115—117 [1987]; eingegangen am 29. August 1986) 
  Published    1987 
  Keywords    [l, 3, 4]Thiazaphospholidine, NMR Spectra, Triple Resonance 
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 TEI-XML for    default:Reihe_B/42/ZNB-1987-42b-0115_n.pdf 
 Identifier    ZNB-1987-42b-0115_n 
 Volume    42 
82Author    H. G. Alt, H. E. EngelhardtRequires cookie*
 Title    Bis-acetylene Complexes of Niobium and Tantalum  
 Abstract    The photo-induced reaction of C 5 Me 5 M(CO) 4 complexes (M = Nb, Ta) with excess alkynes R'C 2 R : (R\ R 2 = H, Me, Ph, Hex) in pentane solution results in the formation of the bis-acetylene complexes C 5 Me 5 M(R'C 2 R 2) 2 CO. In these complexes the jr-bonded acetylene ligands behave formally as three electron ligands. 
  Reference    Z. Naturforsch. 42b, 711—714 (1987); eingegangen am 10. Dezember 1986/23. Januar 1987 
  Published    1987 
  Keywords    Bis-acetylene Complexes of Niobium and Tantalum, IR Spectra, NMR Spectra 
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 TEI-XML for    default:Reihe_B/42/ZNB-1987-42b-0711.pdf 
 Identifier    ZNB-1987-42b-0711 
 Volume    42 
83Author    Lothar Weber, Georg MeineRequires cookie*
 Title    Zur Reaktivität von Diphosphenylkomplexen des Eisens und Rutheniums gegenüber Tetracarbonylnickel Transition Metal Substituted Diphosphenes, VI [1] On the Reactivity of Diphosphenyl Complexes of Iron and Ruthenium towards Tetracarbonyl Nickel  
 Abstract    The diphosphenyl complexes (?/ 5 -CsMe0(CO 2)M-P = P-Ar (8) (M = Fe, Ru; Ar = 2,4,6-rm-BU,C 6 H 2) react with excess Ni(CO) 4 to yield the adducts (77 5 -C 5 Me 5)(CO) 2 M[Ni(CO) 3 ]P=PAr (9). The products have been characterized by elemental analysis as well as by spectroscopic data (IR. 'H, 13 C, 31 P NMR). 
  Reference    Z. Naturforsch. 42b, 774—776 (1987); eingegangen am 26. Januar 1987 
  Published    1987 
  Keywords    Metal Substituted Diphosphenes, Tetracarbonyl Nickel, NMR Spectra, IR Spectra 
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 TEI-XML for    default:Reihe_B/42/ZNB-1987-42b-0774.pdf 
 Identifier    ZNB-1987-42b-0774 
 Volume    42 
84Author    Jörg Apitz, Joseph Grobe, Due Le VanRequires cookie*
 Title    Darstellung und [l+4]-Cycloaddition von Methylthio-chlorophosphanen RP(Cl)SMe (R = Me, Et, Ph) Preparation and [l+4]-Cycloaddition of Methylthio-chlorophosphanes RP(Cl)SMe (R = Me, Et, Ph)  
 Abstract    The methylthio-chlorophosphanes RP(Cl)SMe [R = Me (1). Et (2). Ph (3)] are prepared in good yields (62—65%) by condensation reactions of the corresponding dichlorophosphanes RPC12 with methanethiol in the presence of trimethylamine (molar ratio 1:1:1). 1 and 3 have been used to produce 3-phospholene sulfides in a one-pot process by reaction with 1,3-dienes at 70 to 100 °C. Reaction proceeds via [1 +4]-cycloadducts, which in suitable cases can be isolated and used for the preparation of the corresponding 3-phospholene oxides. New compounds were characterized by elemental analysis and spectroscopic investigations (NMR. MS). 
  Reference    Z. Naturforsch. 43b, 257—260 (1988); eingegangen am 30. November 1987 
  Published    1988 
  Keywords    Methylthio-chlorophosphanes, 3-Phospholene Sulfides and Oxides Mass Spectra, NMR Spectra 
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 TEI-XML for    default:Reihe_B/43/ZNB-1988-43b-0257.pdf 
 Identifier    ZNB-1988-43b-0257 
 Volume    43 
85Author    Ekkehard Fluck, Peter Kuhm, Heinz RiffelRequires cookie*
 Title    [l,4,2]Diazaphospholidine [l,4,2]Diazaphospholidines  
 Abstract    Bis(diethylamino)phosphanylacetylen reacts with N.N'-dimethyl thiourea to give 2-diethyl-amino-l,4-dimethyl-3-methylene-[l,4,2]diazaphospholidine-5-thion (2) besides the [1.3.4]thi-azaphospholidine (1). The latter compound is converted into 2 by heating. Reaction of 2 with various reagents yields other members of the title compound class. All new compounds are characterized by some reactions and their NMR and IR spectra. In addition, the results of an X-ray structure analysis of 2-diethylamino-l ,4-dimethyl-3-methylene-2-thioxo-[l ,4.2]diazaphos-pholidine-5-thion (5) are reported. 
  Reference    Z. Naturforsch. 43b, 1481—1489 (1988); eingegangen am 17. Mai 1988 
  Published    1988 
  Keywords    [l, 4, 2]Diazaphospholidines, NMR Spectra, Crystal Structure 
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 TEI-XML for    default:Reihe_B/43/ZNB-1988-43b-1481.pdf 
 Identifier    ZNB-1988-43b-1481 
 Volume    43 
86Author    Jörn Müller, Matthias Tschampel, Carl KrügerRequires cookie*
 Title    Rhodium-zentrierte Bildung eines Cyclobutenyl-Liganden und Umlagerung in einen Cyclopentadienyl-Komplex Rhodium-centered Formation of a Cyclobutenyl Ligand and Rearrangement to a Cyclopentadienyl Complex  
 Abstract    Cyclization of two diphenylacetylene molecules occurs if [(cod)RhCl] 2 (cod = 1.5-cyclooc-tadiene) is treated with methyllithium in the presence of tolane. The isolated (cod)Rh complex 2 contains an e*o-methyl-tetraphenylcyclobutenyl ligand and was characterized by X-ray diffraction analysis. Thermolysis of 2 in acetonitrile causes ring expansion of the methylcyclobutenyl unit with formation of the tretraphenylcyclopentadienyl complex 3 together with 3-methyl-tet-raphenylcyclobutene. Mechanistic aspects are discussed as well as spectroscopic data of the new compounds. 
  Reference    Z. Naturforsch. 43b, 1519—1523 (1988); eingegangen am 13. Juni 1988 
  Published    1988 
  Keywords    Methyltetraphenylcyclobutenyl Rhodium Complexes, Tetraphenylcyclopentadienyl Rhodium Complexes, NMR Spectra, Crystal Structure 
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 TEI-XML for    default:Reihe_B/43/ZNB-1988-43b-1519.pdf 
 Identifier    ZNB-1988-43b-1519 
 Volume    43 
87Author    Anne-Kathrin Duhme, Henry StrasdeitRequires cookie*
 Title    Ligandenmangelkomplexe des Cadmiums. Synthese und spektroskopische Charakterisierung molekularer (Pentafluorphenyl)cadmium-Thiolate und die Struktur des Cubankomplexes [{Cd(C6F5)(SBur)}4] Ligand-Deficient Complexes of Cadmium. Synthesis and Spectroscopic Characterization o f Molecular Pentafluorophenyl Cadmium Thiolates and the Structure o f the Cubane Complex [{Cd(C6F5)(SBuf)}4]  
 Abstract    In toluene, bis(pentafluorophenyl)cadmium(II) and thiols RSH (R = Bu', 2,4,6-Pr'3C6H2, 2,4,6-Bu'3C6H2) react to give soluble pentafluorophenyl cadmium thiolates [(Cd(C6F5)(SR)} J. The compounds [{Cd(C6F 5)(SBu')}4] (1)0 .5 C6H5CH3, [ {Cd(C6F5)(SC6H2Pr'3-2,4,6)} J (2)-ca. 0.25n C6H 5CH3, and [{Cd(C6F5)(SC6H2Bu'3-2,4,6)} J (3) ca. 0.25« C6H5CH3 have been prepared in 65, 59 and 78% yield, respectively. 1-0.5 C6H5CH3 crystallizes in the triclinic space group PI with a = 11,635(1)Ä, b = 11.583(1)Ä, c = 21.480(2)Ä, a = 82.12(1)°, ß = 76.26(1)°, y — 89.35(1)°, and Z = 2. 1 is a cubane-type complex with a {Cd4(/z3-SBur)4}4+ core. Each Cd atom is coordinated by three bridging thiolato ligands and one terminal C6F5 group (C d -S 2.62 A, C d -C 2.15Ä (mean values)). The central C atoms of the Bu'S" ligands of 1 show a remarkable low-field shift o f their 13C N M R resonance (12.3 ppm relative to the value of the free thiol). A characteristic spectral feature of (Cd(C6F5) } + complexes is the large value of the coupling constant 2/ (19F ,13C) o f the ipso-C atom (1, 2: 68 Hz; 3: 67 Hz). The complexes [Cd(C6F5)(SR) + H]+, [Cd(SR)2 + H]+, and [Cd2(SR)3]+ were identified in the Cl mass spectra (/50-butane) of 2 and 3. 
  Reference    (Z. Naturforsch. 49b, 119—127 [1994]; eingegangen am 17. August 1993) 
  Published    1994 
  Keywords    Cadmium Complexes, Thiolates, Crystal Structure, NMR Spectra, Mass Spectra 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-0119.pdf 
 Identifier    ZNB-1994-49b-0119 
 Volume    49 
88Author    JosephG. Robe, Duc Le Van, JostW. Innemöller, Bernt Krebs, M. Echtild LägeRequires cookie*
 Title    Reaktive E=C(p-p)7r-Systeme, XLIII [1] Darstellung und Charakterisierung P-Phosphino-oder P-Arsino-substituierter Fluorphosphaalkene des Typs R2E-P=C(F)NEt2 (R = Me, CF3, Me2N; E = P, As)  
 Abstract    Reactive E=C(p-p)-7r System s XLIII [1] Synthesis and Characterization o f P -Phosphino or P-A rsino Substituted Fluoro-phosphaalkenes of the Type R 2E -P=C (F)N Et2 (R = Me, C F 3, M e7N; E = R As) The easily accessible phosphaalkene HP=C(F)NEt2 (lb) reacts with halophosphanes or -arsanes R2EX (X = Cl, I) in the presence of NEt3 to give P-phosphino-or -P-arsino sub­ stituted fluorophosphaalkenes of the type RiE-P=C(F)NEti (2 -6) in high yields (60 -85 %) [R2E: (CF3)2P (2), Me2N(CF3)P (3), Me2P (4), (CF3)2As (5), M e2As (6)]. The analogous re-action of ib with CF3PI2 (molar ratio 1:2) unexpectedly leads to the triphosphetene Et2N 
  Reference    Z. Naturforsch. 51b, 778—784 (1996); eingegangen am 30. November 1995 
  Published    1996 
  Keywords    Phosphaalkenes, 1, 2, 3-Triphosphetenes, NMR Spectra, Crystal Structure 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0778.pdf 
 Identifier    ZNB-1996-51b-0778 
 Volume    51 
89Author    Max Herberhold, E. Bertholdt, WolfgangM. Iliu, BerndW. RackmeyerRequires cookie*
 Title    N-Functionalization of the Tetrahedrane Fe2(CO)6(/z-SNH)  
 Abstract    The azadiferrathia tetrahedrane, Fe2(CO)6(£/-SNH) (1), was deprotonated to give the anion [Fe2(CO)6(/J-SN)]_ (2) which reacts with halides of phosphorus, arsenic, silicon, germanium, tin and boron by formation of element-nitrosen bonds. The new compounds were characterized by their IR. N M R ('H , mB, i3C, i5N, 29S i,3 P, m S n)and mass spectra. The molecular structure of [Fe2(CO)6(A/-SN-SiMe2CH2-)]2 (11) was determined by X-ray structure analysis (space group P i; triclinic; a = 799.8(2), b = 958.5(2), c = 1035.7(2) pm, a = 86.30(2)°, (3 = 81.27(2)°, 7 = 69.90(2)°). 
  Reference    Z. Naturforsch. 51b, 1283—1289 (1996); received March 27 1996 
  Published    1996 
  Keywords    Azadiferrathia, Tetrahedrane, Cluster Anion, Element-Nitrogen Bonds, NMR Spectra 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-1283.pdf 
 Identifier    ZNB-1996-51b-1283 
 Volume    51 
90Author    Requires cookie*
 Title      
 Abstract    The reaction of trifluoromethylchlorosulfane with an excess of hydrogensulfide yields trifluoromethyldisulfane. The new compound has been characterised by its IR, Raman, 19F and NMR, UY and mass spectrum, melting and boiling point and by vapour pres­ sure data. The result of some chemical reactions are reported. Furthermore, previously unreported NMR and mass spectral data of CF3SH, CF3S3CF3 and CF3S4CF3 are given. 
  Reference    (Z. Naturforsch. 30b, 169—174 [1975]; eingegangen am 12. Dezember 1974) 
  Published    1975 
  Keywords    Sulfur-fluorine Chemistry, NMR Spectra, IR Spectra, Raman Spectra, Mass Spectra 
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 TEI-XML for    default:Reihe_B/30/ZNB-1975-30b-0169.pdf 
 Identifier    ZNB-1975-30b-0169 
 Volume    30 
91Author    Werner Zeiss, Kleomenis Barlos, 7. ^.Requires cookie*
 Title    Cyclotri(/ 5 -phospliazane) Cyclotri(A 3 -phosphazanes)  
 Abstract    P-perhalogenated cyclotri(A 3 -phosphazanes) 3 a, b are obtained from the reaction of 1 or 2 with excess PX3 (X = Cl, Br). Under mild reaction conditions 4—7 are found to be intermediates. The existence of a six-membered ring trimer is proven by NMR and mass spectroscopy. No dimer (XPNMe)2 could be detected. Nachdem uns kürzlich die Darstellung zweier per-alkylierter Cyclo£efra(/l 3 -phosphazane) (RPNMe)4, R = Me und Et, gelang [1], berichten wir hier über am Phosphor halogensubstituierte Cyclo tri(X z -phosphazane). Die PN-Verknüpfung erfolgt dabei in an sich längst bekannter Weise [2] durch Abspal-tung von Halogensilan aus Silylamin und Halogen-phosphan. 3 a, b sind aus dem Cyclotrisilazan (1) und dem Heptamethyldisilazan (2) jeweils mit einem Über-schuß von PX3 zugänglich. (MeNSiMe2)3 • 3 PX3 1 ~--<3Me2SiX2 3 PX-; Me I X 3 (Me3Si)2NMe 2 3a, X= Cl b, X= Br Unterbricht man die Umsetzung von PX3 mit 1 nach Abklingen der exothermen Reaktion, so findet man NMR-spektroskopisch hauptsächlich die Phos-phorverbindungen 4 und 5 neben geringen Mengen längerkettiger Verbindungen. Unter milden Bedin-gungen und in Dichlormethan als Lösungsmittel ge-lingt es jeweils, 7 nachzuweisen. Me Me 1 I X2P —N-SiMe2X X2P-N —PX2 4 5 X2P-N -SiMe3 6 Me Br Me 
  Reference    Z. Naturforsch. 34b, 423—425 (1979); eingegangen am 9. 0ktober/20. November 1978 
  Published    1979 
  Keywords    Cyclotri(A 3 -phosphazanes), Reaction Intermediates, Mass Spectra, NMR Spectra 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0423.pdf 
 Identifier    ZNB-1979-34b-0423 
 Volume    34 
92Author    Dieter Lux, Wolfgang Schwarz, Heinz HessRequires cookie*
 Title      
 Abstract    A new synthetic route to N-alkyl substituted thiaza-A 5 ,A 5 -diphosphetidines 2 a-c is given. NMR 
  Reference    Z. Naturforsch. 34b, 1334—1336 (1979); eingegangen am 23. März 1979 
  Published    1979 
  Keywords    Thiaza-A 5, A 5 -diphosphetidines, NMR Spectra, cis-trans Isomers, Crystal Structure 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1334_n.pdf 
 Identifier    ZNB-1979-34b-1334_n 
 Volume    34 
93Author    P. C. Bharara, H. NöthRequires cookie*
 Title    Beiträge zur Chemie des Bors, CVII [1] Über Darstellung und Struktur eines tetraborylierten Hydrazins Contributions to the Chemistry of Boron, CVII [1] On the Preparation and Structure of a Tetraborylated Hydrazine  
  Reference    Z. Naturforsch. 34b, 1352—1357 (1979); eingegangen am 11. Juni 1979 
  Published    1979 
  Keywords    Tetrakis(l, 3-dimethyl-l, 3, 2-diazaborolidinyl)-hydrazin, NMR Spectra, X-ray 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1352.pdf 
 Identifier    ZNB-1979-34b-1352 
 Volume    34 
94Author    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 
95Author    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 
96Author    Reinhard Benn, Borislay Bogdanović, Peter Göttsch, Klaus SchlichteRequires cookie*
 Title    ?/ 3 -Allyl-hydrogensulfidoiiickel(II)-Korapi exe ?y 3 -Allyl-hydrogensulfidonickel(II) Complexes  
  Reference    Z. Naturforsch. 35b, 200—206 (1980); eingegangen am 10. September 1979 
  Published    1980 
  Keywords    ?7 3 -Allyl-hydrogensulfidonickel(II) Complexes, Stereoisomers, Metal Sulfide Catalysts, NMR Spectra, Deuterium Labeling 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0200.pdf 
 Identifier    ZNB-1980-35b-0200 
 Volume    35 
97Author    Nicholas Bodor, JamesJ. Kaminski, S. D. Worley, StevenH. Gerson, N. J.Requires cookie*
 Title    Quantitative Evaluation of the Reactivity of Alkylating Agents  
 Abstract    A sensitive and reproducible method for quantitative evaluation of the relative reactivities of alkylating agents was developed, based on competitve alkylation. The method is superior to the known colorimetric methods. The reactivities of the agents could also be correlated with the 13 C chemical shifts of the a-methylene. The method was successfully applied for the ranking of "soft" alkylating agents of low reactivity. It was recently found that "soft" alkylating RI 
  Reference    Z. Naturforsch. 35b, 758—763 (1980); received February 4 1980 
  Published    1980 
  Keywords    Alkylating Agents, Soft Drugs, NMR Spectra, Competitive Alkylation, Soft Quaternary Salts 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0758.pdf 
 Identifier    ZNB-1980-35b-0758 
 Volume    35 
98Author    Emmanuel Chukwuemeka OkaforRequires cookie*
 Title    Structures of l-Phenyl-3-methyl-pyrazolone-5 and its Benzoyl Derivatives +  
  Reference    Z. Naturforsch. 35b, 1019—1023 (1980); received September 20/December 17 1979 
  Published    1980 
  Keywords    Benzoylated l-Phenyl-3-methyl-pyrazolones-5, NMR Spectra, Mass Spectra, IR Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-1019.pdf 
 Identifier    ZNB-1980-35b-1019 
 Volume    35 
99Author    Ekkehard Lindner, Gerhard FreyRequires cookie*
 Title    Darstellung und Eigenschaften von (Trifluor)acetylphosphol Preparation and Properties of (Trifluoro)acetylphosphole  
 Abstract    The acylphospholes RC(0)PRR (la,b) [R = CH3 (a), CF3 (b); PRR = which are available from dibenzophosphole and the anhydrides [RC(0)]20 react in ether with 
  Reference    Z. Naturforsch. 35b, 1150—1154 (1980); eingegangen am 24. März 1980 
  Published    1980 
  Keywords    (Trifluoro)acetylphospholes, Phosphole Oxides, Phosphorylated Alcohols, III Spectra, NMR Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-1150.pdf 
 Identifier    ZNB-1980-35b-1150 
 Volume    35 
100Author    Rainer Bieganowski, Wilhelm FriedrichRequires cookie*
 Title    Über die Reaktion von Trifluorphosphin (PF3)  
 Abstract    Difluormethylphosphit (F2POCH3) und Trimethylphosphit [P(OCH3)3] mit Aquacobalamin in Methanol* On the Reaction of Trifluorophosphine (PF3), Difluoromethylphosphite (F2POCH3) and Trimethylphosphite [P(OCH3)3] with Aquacobalamin in Methanol 
  Reference    Z. Naturforsch. 35b, 1335—1340 (1980); eingegangen am 4. Juli 1980 
  Published    1980 
  Keywords    Vitamin B12, Fluoromethylphosphito-P-cobalamin, Dimethylphosphito-P-cobalamin, UV/VIS Spectra, NMR Spectra 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-1335.pdf 
 Identifier    ZNB-1980-35b-1335 
 Volume    35 
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