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  • 1
    Electronic Resource
    Electronic Resource
    Reaktion von 1,1,3,3-Tetrakis(dimethylamino)-1λ5, 3λ5-diphosphet mit monosubstituierten Acetylenen und Acetylen 1λ5, 3λ5-Diphosphabenzole. IVIII. Mitteilung siehe [4] (1990)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 588 (1990), S. 181-191 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions of 1,1,3,3-Tetrakis(dimethylamino)-1λ5, 3λ5-diphosphete with Monosubstituted Acetylenes and Acetylene. 1λ5, 3λ5-Diphosphabenzenes. IVThe monosubstituted acetylenes H—C≡C—COOCH3 and H—C≡C—CF3 react with 1,1,3,3-tetrakis(dimethylamino)-1λ5,3λ5-diphosphete 1 to give 1,1,3,3-tetrakis (dimethylamino)- 4-methoxycarboxylato-1λ5,3λ5-diphosphorine 3, and -4-trifluoromethyl-1λ5,3λ5-diphosphorine 5, respectively. In contrast, phenylacetylene and 1 form two isomers, namely 1,1,3,3- tetrakis(dimethyl-amino)-4-phenyl-1λ5,3λ5-diphosphorine 4a und -5-phenyl-1λ5,3λ5-diphosphorine 4b. The reaction between acetylene and 1 yields the 1,1,3,3-tetrakis(dimethylamino)-1λ5,3λ5-diphosphorine 6, unsubstituted at the carbon atoms of the ring. Various mechanisms are discussed for the formation of the compounds 3, 4a, 4b, 5 and 6. All new compounds are characterized by their n.m.r., mass, and i.r. spectra.
    Notes: Die monosubstituierten Acetylene H—C≡C—COOCH3 und HC≡C—CF3 reagieren mit 1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphet 1 zu 1, 1, 3, 3-Tetrakis(dimethylamino)- 4-methoxycarboxylato-1λ5,3λ5-diphosphorin 3 bzw. -4-trifluormethyl-1λ5,3λ5-diphosphorin 5. Im Gegensatz dazu bildet Phenylacetylen mit 1 zwei Isomere, nämlich 1,1,3,3- Tetrakis(dimethylamino)-4-phenyl-1λ5,3λ5-diphosphorin 4a und -5-phenyl-1λ5,3λ5-diphosphorin 4b. Acetylen und 1 reagieren zu dem an den Kohlenstoffatomen des Rings unsubstituierten 1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphorin 6. Für die Bildung der Verbindungen 3, 4a, 4b, 5 und 6 werden verschiedene Mechanismen diskutiert. Alle neuen Verbindungen sind durch ihre NMR-, Massen- und IR-Spektren charakterisiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19905880121
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  • 2
    Electronic Resource
    Electronic Resource
    Reaktionen des 1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphets mit N—H- und P—H-aciden VerbindungenFrau Professor Marianne Baudler zum 70. Geburtstage am 27. April 1991 gewidmet (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 594 (1991), S. 47-56 
    Details
    ISSN: 0044-2313
    Keywords: Diphosphete ; Phosphorus-Ylid-Iminophosphoranes ; Syntheses ; NMR, IR, Mass Spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions of 1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphete with N—H and P—H Acidic Compounds1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphete, 1, reacts with aniline to give by opening of the ring 2,2,4,4-tetrakis(dimethylamino)-1-phenyl-1,2λ5,4λ5-azadiphosphapenta-1,3-diene, 2, with p-CN—C6F4—NH2 the product is 1-(4-cyano-2,3,5,6-tetrafluorophenyl)-2,2,4,4-tetrakis(dimethylamino)-1,2λ5,4λ5-azadiphosphapenta-1,3-diene, 3. t-Butylamine or diethylamine do not react with 1. Mesitylphosphane opens the ring system 1 forming by reduction of one phosphorus atom {[bis(dimethylamino)phosphanyl]methylidene}bis(dimethylamino)methylphosphorane, 4. The same product 4 is obtained by reaction with phenylphosphane. The reaction products 2-4 are characterized by their nmr, mass, and ir spectra. Their way of formation is discussed. In 4 a 5J(PH), in 3 a 7J(CF) long range coupling constant could be identified.
    Notes: 1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphet, 1, reagiert mit Anilin unter Ringöffnung zu 2,2,4,4-Tetrakis(dimethylamino)-1-phenyl-1,2λ5,4λ5-azadiphosphapenta-1,3-dien, 2, mit p-CN—C6F4—NH2 zu 1-(4-Cyan-2,3,5,6-tetrafluorphenyl)-2,2,4,4-tetrakis(dimethylamino)-1,2λ5,4λ5-azadiphosphapenta-1,3-dien, 3. t-Butylamin oder Diethylamin reagieren nicht mit 1. Mesitylphosphan öffnet das Ringsystem 1 und bildet unter Reduktion eines Phosphoratoms {[Bis(dimethylamino)phosphanyl]methyliden}bis(dimethylamino)methylphosphoran 4. Das gleiche Produkt 4 liefert auch die Umsetzung mit Phenylphosphan. Die Reaktionsprodukte 2-4 sind durch ihre NMR-, Massen- und IR-Spektren charakterisiert. Ihr Bildungsweg wird diskutiert. Bei 4 kann eine 5J(PH)- und bei 3 eine 7J(CF)-long-range-Kopplungskonstante nachgewiesen werden.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19915940106
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  • 3
    Electronic Resource
    Electronic Resource
    Reaktion von Bis(dimethylamino)fluormethylidenphosphoran mit CIPF2 und PF3 (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 596 (1991), S. 139-148 
    Details
    ISSN: 0044-2313
    Keywords: Fluoromethylidenephosphorane ; tris[(difluorophosphoranyl)methyl]phosphane ; n.m.r. spectra ; triple resonance ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of Bis(dimethylamino)fluoromethylidenephosphorane with CIPF2 and PF3One of the products from the reaction between ClPF2 or PF3 and H2C=P(F)[N(CH3)2]2 (2) is tris{[bis(dimethylamino)difluorophosphoranyl]methyl}phosphane, 3. With sulfur, 3 forms the corresponding phosphane sulfide 4. The structures of the new compounds are elucidated by their n.m.r. spectra in double and triple resonance mode and by their mass spectra.
    Notes: Eines der Produkte aus der Reaktion zwischen ClPF2 oder PF3 und H2C=P(F)[N(CH3)2]2 (2) ist Tris{[bis(dimethylamino)difluorphosphoranyl]methyl}phosphan, 3. Mit Schwefel reagiert 3 zum entsprechenden Phosphansulfid 4. Die Strukturen der neuen Verbindungen werden durch NMR-Mehrfachresonanzexperimente und ihre Massenspektren belegt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19915960119
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  • 4
    Electronic Resource
    Electronic Resource
    Mono- und Bis(difluorphosphoranyl)ethylen, n-Hexyliden-fluorphosphoran und ein 2,4-Di-n-pentyl-1λ5,3λ5-diphosphetProfessor Viktor Gutmann zum 70. Geburtstage gewidmet (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 613 (1992), S. 31-35 
    Details
    ISSN: 0044-2313
    Keywords: Diaminophosphanylethylene ; mono- and bis(difluorophosphoranyl)-ethylene ; n-hexylidene-fluorophosphorane ; 2,4-di-n-pentyl-1λ5, 3λ5 -diphosphete; n. m. r., ir spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Mono- and Bis(difluorophosphoranyl)ethylene, n-Hexylidene-fluorophosphorane, and a 2,4-Di-n-pentyl-1λ5, 3λ5 -diphospheteBis(diethylamino)phosphanylethylene, 1, is converted by SF4 into bis(diethylamino)difluorophosphoranylethylene, 2. Analogously trans-1,2-bis(diphenylphosphanyl)ethylene, 3, is converted into trans-1,2-bis(difluorodiphenylphoranyl)ethylene, 4. 2 reacts with n-butyllithium to give n-hexylidene-bis(diethylamino)fluorophosphorane, 5. With more n-butyllithium, the main product n-hexylidene-bis(diethylamino)-n-butylphosphorane, 7, and the by-product 2,4-di-n-pentyl-1,1,3,3-tetrakis(diethylamino)-1λ5, 3λ5 -diphosphete, 8, are formed. With t-butyllithium 2 yields 3,3-dimethyl-butylidene-bis(diethylamino)fluorophosphorane, 6. All new compounds 1, 2, 4-8 are characterized by their nmr and ir spectra.
    Notes: Bis(diethylamino)phosphanylethylen, 1, wird durch SF4 in Bis(diethylamino)difluorphosphoranylethylen, 2, übergeführt. Auf analoge Weise entsteht aus trans-1,2-Bis(diphenylphosphanyl)ethylen, 4. 2 reagiert mit n-Butyllithium zu n-Hexyliden-bis(diethylamino)fluorphosphoran, 5, aus dem mit weiterem n-Butyllithium als Hauptprodukt n-Hexyliden-bis(diethylamino)-n-butylphosphoran, 7, und als Nebenprodukt 2,4-Di-n-pentyl-1,1,3,3-tetrakis(diethylamino)-1λ5, 3λ5-diphosphet, 8, entsteht. Mit t-Butyllithium bildet 2 3,3-Dimethyl-butyliden-bis(diethylamino)fluorphosphoran, 6. Alle neuen Verbindungen 1, 2, 4-8 werden durch ihre NMR- und IR-Spektren charakterisiert.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926130105
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  • 5
    Electronic Resource
    Electronic Resource
    Reaktionen des 1,1′, 3,3′-Tetrakis(dimethylamino)-1λ5, 3λ5-diphosphets mit S—H-aciden VerbindungenProfessor Rudolf Hoppe zum 70. Geburtstage gewidmet (1993)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1551-1555 
    Details
    ISSN: 0044-2313
    Keywords: 1,′,3,3′-Tetrakis(dimethylamino)-1λ5, 3λ5-diphosphete ; sulfanolysis ; bis(dimethylamino)thiophos-phonylmethylidene-methyl-bis(dimethylamino)phosphorane ; 1,′, 3,3′ -tetrakis(dimethylamino)-2,4-bis-(ethylthio)-1λ5, 3λ5-diphosphete ; 1,′,3,3′-tetrakis(dimethyl-amino)-1,2-dihydro-3λ5-[1,3]-diphosphetiumthiophenolate ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of 1,′, 3,3′-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphete with S—H Acidic Compounds.Reaction of 1,′,3,3′-tetrakis(dimethyl-amino)-1λ5,3λ5-diphosphete (1) with hydrogen sulfide yields bis(dimethylamino)thiophosphonylmethylidene-methyl-bis(dimethylamino)phosphorane (5).Water eliminates dimethylamine from 5 and forms bis(dimethyl-amino)thiophosphonyl-methyl(dimethylamino)phosphonylmethylene 6. The reaction of 1 with ethylmercaptane yields the 2,4-bis(ethylthio)-derivative of 1, i.e. compound 8 and bis(dimethylamino)phosphanylmethylidene-methyl-bis(dimethylamino)phosphorane (9), which is also formed from 1 and 2,4,6-trimethylphenylphosphane. Thiophenol protonates 1 to give the corresponding cation which is isolated as its thiophenolate, 10. Properties, nmr and mass spectra of 5, 6 and 8 - 10 are described and discussed.
    Notes: Die Reaktion von 1,′,3,3′-Tetrakis(dimethylamino)-1λ5, 3λ5 -diphosphet (1) mit Schwefelwasserstoff führt zu Bis(dimethylamino)thiophosphonylmethyliden-methyl-bis(dimethylamino)phosphoran(5). Wasser spaltet aus 5 Dimethylamin ab und bildet Bis(dimethylamino)thiophosphonyl-methyl(dimethylamino)phosphonylmethylen 6. Bei der Umsetzung von 1 mit Ethylmercaptan entstehen das 2,4-Bis(ethylthio)-Derivat von 1, die Verbindung 8 und Bis(dimethylamino)-phosphanylmethyliden-methyl-bis(dimethylamino)phosphoran (9), das auch aus 1 und 2, 4, 6-Trimethylphenyl-phosphan gebildet wird. Thiophenol protoniert 1 zum entsprechenden Kation, das als Thiophenolat 10 isoliert wird. Eigenschaften, NMR- und Massenspektren von 5, 6 und 8 - 10 werden beschrieben und diskutiert.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19936190909
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  • 6
    Electronic Resource
    Electronic Resource
    Phenylethinyl-[1,3,2]dithiaphospholan. Bis(dithiaphospholanyl)-[1,4]dithian (1994)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 1714-1718 
    Details
    ISSN: 0044-2313
    Keywords: Alkinyl thiophosphinous acid ester ; alkinyl [1,3,2]dithiaphospholane ; [1,4]dithiane ; nmr, mass, i.r. spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Phenylethinyl-[1,3,2]dithiaphospholane. Bis(dithiaphospholanyl)-[1,4]dithianeNucleophilic substitution of the amino group but no cycloaddition occurs in the reaction of phenyl phenylethinyl phosphinous acid diethylamide, 5, with 2-aminothiophenol forming compound 6. By analogous reaction, phenylethinyl phosphonic bis(diethylamide), 7, and ethane-1,2-dithiol form compound 8. Cycloaddition besides nucleophilic substitution is observed, however, when acetylene bis(phosphonic diethyl-amide), 9, and ethane-1,2-dithiol are reacted resulting in compound 11. All new products are characterized by their nmr, mass, and i.r. spectra. Furthermore, the results of an X-ray structure analysis of 11 are reported.
    Notes: Bei der Reaktion von Phenyl-phenylethinyl-phosphinigsäure-diethylamid, 5, mit 2-Aminothiophenol findet keine Cycloaddition statt sondern eine nukleophile Substitution der Aminogruppe, die zu Verbindung 6 führt. Analog reagiert Phenylethinyl-phosphonigsäure-bis(diethylamid), 7, mit Ethan-1,2-dithiol zu Verbindung 8. Cycloaddition und nukleophile Substitution werden jedoch bei der Umsetzung von Acetylen-bis(phosphonigsäurediethylamid), 9, und Ethan-1,2-dithiol beobachtet; es entsteht Verbindung 11. Alle neuen Reaktions-produkte sind durch ihre NMR-, Massen- und IR-Spektren charakterisiert. Von 11 wird eine Kristallstrukturanalyse mitgeteilt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19946201009
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  • 7
    Electronic Resource
    Electronic Resource
    2,4-Dimethoxycarbonyl-1,1,3,3-tetrakis(dimethylamino)-1λ5,3λ5-diphospheteDedicated to Professor Hans-Georg von Schnering on the occasion of his sixtieth birthday. (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Heteroatom Chemistry 2 (1991), S. 593-599 
    Details
    ISSN: 1042-7163
    Keywords: Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1,1,3,3 - Tetrakis(dimethylamino) - 1λ5,3λ5 - diphosphete, 1, reacts with cyanoformic acid methyl ester to form two isomers of the title compound 2. Properties, NMR, mass, and IR spectra of 2, as well as the molecular and crystal structure of the E isomer of 2, are described and discussed.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hc.520020515
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  • 8
    Electronic Resource
    Electronic Resource
    1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphet als Ligand in Koordinationsverbindungen (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 612 (1992), S. 56-62 
    Details
    ISSN: 0044-2313
    Keywords: 1λ5,3λ5-diphosphete ; addition compounds with GeCl2, SnCl2, (CO)5W(Z-cyclooctene) ; n.m.r., i.r., mass spectra ; X-ray structures ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphete as Ligand in Coordination Compounds1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphete, 1, reacts with GeCl2 · 1,4-dioxane, SnCl2, and (CO)5W(Z-cyclooctene) to give the complexes {HCP[N(CH3)2]2}2 · GeCl2, 3, {HCP[N(CH3)2]2}2 · SnCl2, 4, and {HCP[N(CH3)2]2}2 · W(CO)5, 5, respectively. The n.m.r., mass, and i.r. spectra of the new compounds as well as the crystal and molecular structures of 3 and 4 are reported and the bonding situation in compounds 3-5 is discussed.
    Notes: 1,1,3,3-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphet, 1 bildet mit GeCl2 · 1,4-Dioxan, SnCl2 bzw. (CO)5W(Z-cycloocten) die komplexe {HCP[N(CH3)2]2}2 · GeCl2, 3, {HCP[N(CH3)2]2}2 · SnCl2, 4, bzw. {HCP[N(CH3)2]2}2 · W(CO)5, 5. Die NMR-, Massen- und IR-Spektren der neuen Verbindungen sowie die Kristall- und Molekülstruktur von 3 und 4 werden mitgeteilt und die Bindungsverhältnisse in den Verbindungen 3-5 diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926120111
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  • 9
    Electronic Resource
    Electronic Resource
    Die Hydrolyse des 1, 1, 3, 3-Tetrakis(dimethylamino)-1λ5, 3λ5-diphosphetsProfessor Rolf Appel zum 70. Geburtstage am 25. Februar 1991 gewidmet (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 601 (1991), S. 65-72 
    Details
    ISSN: 0044-2313
    Keywords: 1,1,3,3-tetrakis(dimethylamino)-1λ5,3λ5-diphosphete ; hydrolysis ; bis(dimethylamino)-phosphorylmethylidene-methyl-bis(dimethylamino)phosphorane ; bis(dimethylamino)phosphoryl-methyl(dimethylamino)phosphonylmethylene ; nmr, mass spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Hydrolysis of 1,1,3,3-Tetrakis(dimethylamino)-1λ5, 3λ5 -diphospheteHydrolysis of 1,1,3,3-Tetrakis(dimethylamino)-1λ5, 3λ5 -diphosphet (2) yields in the first step Bis(dimethylamino)phosphorylmethyliden-methyl-bis(dimethylamino)phosphorane (5). In the second step Bis(dimethylamino)phosphoryl-methyl(dimethylamino)phosphosphonylmethylen (6) is the main product of hydrolysis. In addition small amounts of methylphosphonic-bis(dimethylamide) (7) are formed. Properties, nmr and mass spectra of 5 and 6 are described, their mechanism of formation is discussed.
    Notes: Die Hydrolyse von 1,1,3,3-Tetrakis(dimethylamino)-1λ5, 3λ5 -diphosphet (2) führt in erster Stufe zu Bis(dimethylamino)phosphorylmethyliden-methyl-bis(dimethylamino)phosphorane (5). In zweiter Stufe wird vornehmlich Bis(dimethylamino)phosphoryl-methyl(dimethylamino)phosphosphonylmethylen (6) neben geringen Mengen von Methylphosphonsphonsäure-bis(dimethylamid) (7) gebildet. Eigenschaften, NMR- und Massenspektren von 5 und 6 sind beschrieben, ihr Bildungsmechanismus wird diskutiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19916010108
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  • 10
    Electronic Resource
    Electronic Resource
    o-1λ5,3λ5-Diphosphaphenylen-bis(diphenylphosphan) und seine chelatbildenden Eigenschaften (1994)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 483-488 
    Details
    ISSN: 0044-2313
    Keywords: o-1λ5,3λ5-Diphosphaphenylene-bis(diphenylphosphane) ; nickel(II) chloride chelate complex ; crystal structure ; NMR, Ir spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: o-1λ5,3λ5-Diphosphaphenylene-bis(diphenylphosphane) and its Chelating PropertiesBis(diphenylphosphanyl)acetylene and 1,1′,3,3′-tetrakis(dimethylamino)-1λ5,3λ5-diphosphete react at higher temperatures to yield the title compound 5, which forms easily the chelate complex 6 with nickel(II) chloride.
    Notes: Bis(diphenylphosphanyl)acetylen und 1,1′,3,3′-Tetrakis(dimethylamino)-1λ5,3λ5-diphosphet reagieren bei höheren Temperaturen zur Titelverbindung 5, die mit Nickel(II)-chlorid leicht den Chelatkomplex 6 bildet.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19946200314
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