Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1985-1989  (16)
  • 1965-1969  (3)
Material
Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 371 (1969), S. 289-294 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: AsCl3 reacts at 60 - 70°C with SO3 forming AsCl4 whose thermal decomposition yields AsCl3, SO3 and basic arenic(III) sulphates. At room temrature, in AsCl3 - SO3 mixtures the compound AsCl3 · OSo2 occurs, probably in equilibrium with AsCl2OSo2Cl.
    Notes: AsCl3 regiert bei 60-70°C mit SO3 unter bildung von AsCiSO4, dessen thermishce Zersetzung AsCl3, SO3 und basische Arsen(III)-sulfate liefert. Bei Raumtemperatur liegt in AsCl3 - SO3-Mischungen AsCl3 · OSO2, wahrsheinlich im Gleichgewicht mit AsCl2OSO2Cl, vor.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 371 (1969), S. 281-288 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: SbCl3 forms with SO3 the two adducts SbCl3 · OSO2 and SbCl3 · 2 OSO2 in which the SO3 coordinates the antimony through oxygen. SbCl3 · 2 OSO2 decomposes in vacuo into SO3 and SbCl3 and SbCl3 · OSO2. Oxidation of these adducts by means of liquid chlorine yields SbCl4OSO2Cl and SbCl4OSO2Cl · OSO2 resp. SbCl4S2O6Cl. SbCl4OSO2Cl is isomeric with the adduct SbCl5 · OSO2 and Decomposes thermally into (SbCl4)2SO4 and SO2Cl2.
    Notes: SbCl3 bildet mit SO3 die beiden Additionsverbindungen SbCl3 · OSO2 udn SbCl3 · 2OSO2, in denen das SO3 über Sauerstoffatome am Antimon koordiniert ist. SbCl3 · 2OSO2 zersetzt sich im Vakuum in SO3 und SbC3 · OSO2. Durch Oxydation der SbCl3 - SO3-Addukte mit flüssigem Chlor werden SbCl4OSO2Cl und SbCl4OSO2Cl · OSO2 bzw. SbCl2S2O6Cl erhalten. SbCl4OSO2Cl ist isomer zum SbCl5 · OSO2-Addukt und liefert bei der thermischen Zersetzung (SbCl4)2SO4 und SO2Cl2.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 531 (1985), S. 73-81 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of the Two-component Systems P(OR)3 - x(NR2)x (x = 0-3)/CCl4 and P4/CCl4 with HF-DonatorsThe combination of organylammonium fluorides and carbon tetrachloride is a good agent for oxidative fluorination of trivalent phosphorus compounds. As oxidation products [(RO)PF5]- and (RO)2P(O)F are obtained from P(OR)3, (Et2N)2P(O)F and (Et2N)2(EtO)PF2 from P(OEt)(NEt2)2 as well as (Et2N)3PF2 and [(Et2N)3PF]+ from P(NEt2)3. In the system R2NH/CCl4/Et3N · n HF P4 is fast oxidized forming [HPF5]-, R2NH · PF5 and (R2N)2P(O)F. In the case of simultaneous addition of alcohols [(RO)PF5]-, (RO)3PO and (R2N)2P(O)F are formed. The reactions are controlled by the nucleophilic power and the concentration of fluoride, the acidity of the system, and the temperature.
    Notes: Die Kombination von Organylammoniumfluoriden mit Tetrachlorkohlenstoff stellt ein gutes Agens zur oxydativen Fluorierung von trivalenten Phosphorverbindungen dar. Aus P(OR)3 werden als Oxydationsprodukte [(RO)PF5]- und (RO)2P(O)F, aus P(OEt)(NEt2)2 (Et2N)2P(O)F und (Et2N)2(EtO)PF2 und aus P(NEt2)3 (Et2N)3PF2 und [(Et2N)3PF]+ erhalten. P4 wird im System R2NH/CCl4/Et3N · n HF in kurzer Zeit zu [HPF5]-, R2NH · PF5 und (R2N)2P(O)F abgebaut. Bei gleichzeitigem Alkoholzusatz entstehen [(RO)PF5]-, (RO)3PO und (R2N)2P(O)F. Die Reaktionen sind über die Nukleophilie und Konzentration der Fluoridionen, die Acidität der Systeme und die Temperatur steuerbar.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 530 (1985), S. 207-212 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Properties of Pentafluorophosphates, YPF5- (Y = OR, NHAr), and PF5-Amine Adducts, PF5 · NHR2In the presence of secondary amines instead of hexafluorophosphates, PF6-, PF5-amine adducts, PF5 · NHR2, are obtained by the reaction of PCl5 with alkylammonium fluorides in acetonitrile.The additional presence of alcohols or phenol leads to the formation of alkoxy- or aroxypentafluorophosphates, ROPF5-. The PF5-amine adducts can be converted into ROPF5- or arylimidopentafluorophosphates, ArNHPF5-, resp., by treating with alcohols or aryl amines, resp.
    Notes: Bei der Umsetzung von PCl5 mit Alkylammoniumfluoriden in Acetonitril werden in Gegenwart sec. Amine anstelle von Hexafluorophosphaten, PF6-, PF5-Amin-Addukte, PF5 · HNR2, und bei zusätzlicher Anwesenheit von Alkoholen bzw. Phenol, Alkoxy- bzw. Aroxypentafluorophosphate, ROPF5-, erhalten. Die PF5-Amin-Addukte setzen sich mit Alkoholen oder Arylaminen zu ROPF5- bzw. Arylimidopentafluorophosphaten, ArNHPF5-, um.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 523 (1985), S. 180-186 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of the Two-component System Trialkylphosphite/Carbon Tetrachloride with Nucleophiles Containing Hydrogen. 2. Reaction with Ammonia and AminesAmmonia and primary amines react with the two-component system trialkylphosphite/carbon tetrachloride yielding diester-amides of phosphoric acid, (RO)2P(O)NHR′. If an excess of amine is used compounds of the type ROP(O)(NHR′)2 and OP(NHR′)3 are formed too. By the reaction of (RO)3P/CCl4 in presence of secondary and tertiary amines the first reaction product is (RO)2P(O)CCl3 which yields with the amine [NRR′R″R″′]+[Cl3CP(OR)O2]-; (R = Et, Bu).
    Notes: Ammoniak und primäre Amine reagieren mit dem Zweikomponenten-system Trialkylphosphit/Tetrachlokohlenstoff zu Diesteramiden der Phosphorsäure, (RO)2P(O)NHR′. Bei Aminüberschuß werden auch Verbindungen des Typs ROP(O)(NHR′)2 und OP(NHR′)3 gebildet. Bei der Reaktion von (RO)3P/CCl4 in Gegenwart sekundärer und tertiärer Amine entsteht zunächst (RO)2 P(O)CCl3, das mit dem Amin zu [NRR′R″R′]+[Cl3CP(OR)O2]- reagiert; (R = Et, Bu).
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 539 (1986), S. 187-190 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of N-Alkyl-bis(difluorophosphoryl)amides, RN(POF2)2, with Silylated Nucleophiles and Et2NSF3N-Alkyl-bis(difluorophosphoryl)amides, RN(POF2)2 (R = Me, Et), react in any case with silylated nucleophiles such as Me3SiOMe and Me3SiNEt2 under cleavage of the PNP bridge forming derivatives of di- and monofluorophosphoric acid. In their reaction with Et2NSF3 (RNPF3)2 and OPF3 or PF5, resp., are obtained. The compounds F2P(O)—NR—PF4 and RN(PF4)2 postulated as intermediates are not stable.
    Notes: N-Alkyl-bis(difluorophosphoryl)amide, RN(POF2)2 (R = Me, Et), reagieren mit den silylierten Nukleophilen Me3SiOMe und Me3SiNEt2 in jedem Fall unter Spaltung der PNP-Brücke zu Di- und Monofluorophosphorsäurederivaten. Bei der Reaktion mit Et2NSF3 werden OPF3 bzw. PF5 und (RNPF3)2 erhalten. Die als Zwischenprodukte angenommenen Verbindungen F2P(O)—NR—PF4 und RN(PF4)2 sind nicht stabil.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 371 (1969), S. 274-280 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The reaction of SbCl5 with SO3 and HSO3Cl, respectively, yields the adduct SbCl5 · OSO2 as a primary product in which the SO3 coordinates the antimony through an oxygen atom.With excess SO3, SbCl5 · OSO2 reacts to (SbCl4)2SO4 and S2O5Cl2.
    Notes: Bei der Reaktion von SbCl5 mit SO3 bzw. HSO3Cl entsteht primär stets SbCl5 · OSO2 Es hat die Konstitution eines Adduktes, in dem das SO3 koordinativ über ein Sauerstoffatom an das Antimon gebunden ist. Mit überschüssigem SO3 reagiert SbCl5 · OSO2 weiter unter Bildung von (SbCl4)2SO4 und S2O5Cl2.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 8
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 539 (1986), S. 183-186 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigations on the Oxidation of N-Alkyl-bis(difluoro-phosphorus(III))amidesOxidation of RN(PF2)2 by N2O4 in n-hexane leads to bis(difluorophosphoryl)amides, RN(POF2)2 (R = Me, Et), in good yields. Only one phosphorus atom is oxidized by phenylazide resulting in the formation of 1.3-diphenyl-2.4-bis(difluorophosphorus(III)-N-alkyl-amido)-2.2.4.4-tetrafluoro-diaza-λ5,λ5 diphosphetidines, [F2P—N(R)—PF2NPh]2.
    Notes: Die Oxydation von RN(PF2)2 mit N2O4 in n-Hexan führt in guten Ausbeuten zu den Bis(difluorophosphoryl)-amiden RN(POF2)2 (R = Me, Et). Mit Phenylazid wird nur ein Phosphoratom oxydiert und es werden 1,3-Diphenyl-2,4-bis(difluorophosphor(III)-N-alkylamido)-2,2,4,4-tetrafluoro-diaza-λ5,λ5-diphosphetidine, [F2P—N(R)—PF2NPh]2, erhalten.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 563 (1988), S. 167-172 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Tetraphenyl Imidodiphosphate as Ligand in Fluoro Complexes. 1. Fluoro Complexes of TitaniumIn acetonitrile TiF4 reacts with tetraphenyl imidodiphosphate forming two tetrafluoro (I, II) and three trifluoro complexes (III, IV, V) as well as one difluorotitanium complex (VI). The difluoro complex VI is exclusively formed by sing an excess of the ligand. VI was isolated and analytically characterized. The constitution and configuration of the complexes are concluded from 19F and 31P n.m.r. data. The tetraphenyl imidodiphosphate is only bidentately bonded, i.e. as chelate or bridging ligand; in the substitution complexes III-VI it is coordinated as anion.
    Notes: TiF4 bildet mit Imidodiphosphorsäuretetraphenylester in CH3CN zwei Tetrafluoro- (I, II) und drei Trifluorokomplexe (III, IV, V) sowie einen Difluorotitan-Komplex (VI). Mit Ligandenüberschuß entsteht ausschließlich der Difluorokomplex, der isoliert und elementar-analytisch charakterisiert wurde. Die Konstitutions- und Konfigurationsaussagen zu den übrigen Komplexen basieren auf 19F- und 31P-NMR-Untersuchungen. Der Imidodiphosphorsäureestr ist in den Komplexen stets zweizähnig als Chelat- oder Brückenligand gebunden; in den Substitutions-komplexen III-VI ist er in seiner anionischen Form enthalten.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 10
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of Diphenylfluorophosphane with Aldehydes. Crystal Structure of [α-(Difluorodiphenyl-λ5-phosphanyl)] Piperonyl DiphenylphosphiniteDiphenylfluorophosphane, Ph2PF, reacts with aldehydes forming phosphinito phosphoranes, Ph2F2P—CHR—O—PPh2. [α-(Difluorodiphenyl-λ5-phosphanyl)] piperonyl diphenyl-phosphinite, obtained by the reaction of Ph2PF with piperonal, crystallizes in the triclinic space group P1 with a = 969.3 pm, b = 2360 pm, c = 607,3 pm, α = 88.33°, β = 102.79°, γ = 92.40° and Z = 2.
    Notes: Diphenylfluorphosphan, Ph2PF, reagiert mit Aldehyden unter Bildung von Phosphinitophosphoranen, Ph2F2P—CHR—O—PPh2. Der mit Piperonal erhaltene Diphenyl-phosphinigsäure-[α-(difluorodiphenyl-λ5-phosphanyl)]piperonylestr kristallisiert in der triklinen Raumgruppe P1 mit a = 969,3 pm, b = 2360 pm, c = 607,3 pm, α = 88,33°, β = 102,79°, γ = 92,40° und Z = 2.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...