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1ZUR KENNTNIS DER ORGANOPHOSPHORVERBINDUNGEN XX: Bifunktionelle Aminophosphane (Et 2 N) 2 P-[CH 2 ] n -P(NEt 2 ) 2 und Et 2 N(R)P-[CH 2 ] n -P(R)NEt 2

Klaus Diemert,Wilhelm Kuchen,Jurgen Kutter

2006Phosphorus Sulfur and Silicon and The Related Elements引用：23

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2ChemInform Abstract: ORGANOPHOSPHORUS COMPOUNDS. XX. BIFUNCTIONAL AMINOPHOSPHINES POLYMETHYLENEBIS(BIS(DIETHYLAMINO)PHOSPHINES) (ET2N)2P(CH2)NP(NET2)2 AND ET2N(R)P(CH2)NP(R)NET2

K. DIEMERT,W. KUCHEN,J. KUTTER

AbstractAus den bifunktionellen Grignard‐Verbindungen (IV) bzw. den bifunktionellen Phosphorhalogeniden (V) und (VII) werden die Aminophosphane (I) und (II) hergestellt.

1983Chemischer Informationsdienst

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3Data On Organo-Phosphorus Compounds .20. Bifunctional Aminophosphanes (Et2n)2p-[Ch2]N-P(Net2)2 And Et2n(R)P-[Ch2]N-P(R)Net2

Klaus Diemert,Wilhelm Kuchen,Jurgen Kutter

1983PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS（1983）引用：21

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4Zur kenntnis der organophosphorverbindungen xx

Klaus Diemert,Wilhelm Kuchen,Jürgen Kutter

Abstract Bifunctional aminophosphanes (Et2N)2P-[CH2] n ,-P(NEt2)2 (n = 1–10) (1) and Et2NP(R)-[CH2] n -P(R)NEt2 (n = 2–4, R = Alkyl, Ph) (2), which are valuable intermediates in organophosphorus synthesis, are obtained by two methods. Because of the marked nucleophility of phosphorus in 1 and 2, reactions with Lewis acids take place very smoothly as is shown by preparation of (Et2N)2P(X)-[CH2]4-(X)P(NEt2) 2(X = O, S, Se, Te, BH3, BBr3) and [(Et2N)2P(CH3)-[CH2]4-(CH3)P(NEt2)2]2+2r. Fission of P[sbnd]bonds by PCl3, MeOH, H2S and CS2 affords Cl2P-[CH2]4-PCl2, (MeO)2P-[CH2]4-P(OMe)2, (MeO)Et2NP-[CH2]4-PNEt2(OMe), the dithiophosphinate [S2P(H)-[CH2]4-(H)PS2]2-2 Et2NH+ 2, and the dithiocarbaminate [Et2NCS2]2P-[CH2]4-P[S] Die Darstellung der bifunktionellen Aminophosphane (Et2N)2P-[CH2] n -P(NEt2)2 (n = 1−10) (1) und Et2N(R)P-[CH2] n -(R)PNEt2 (n = 2–4, R = Alkyl, Ph) (2), die sich als nutzliche Zwischenprodukte bei phosphororganischen Synthesen erwiesen, erfolgte nach zwei Verfahren. Wegen der ausgepragten Nucl...

1983Phosphorus Sulfur and Silicon and The Related Elements引用：26

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5Stabilization of Diphosphorus Tetrabromide As the Bis(pentacarbonylchromium) Complex

A HINKE,W KUCHEN,J KUTTER

The hitherto unknown P 2 Br 4 has been stabilized as ligand for the first time, namely in the bis(pentacarbonylchromium) Complex (1) . (1) is formed, inter alia , on reaction of (CO) 5 Cr. THF with PBr 3 , and of (2) with HBr. Evidence of the formation of free P 2 Br 4 was also obtained. equation image

1982Chemischer Informationsdienst（1982）引用：8

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6ChemInform Abstract: ORGANOPHOSPHORUS COMPOUNDS. XIX. SYNTHESIS AND PROPERTIES OF BIFUNCTIONAL ORGANOBROMOPHOSPHINES

K. DIEMERT,W. KUCHEN,J. KUTTER

Die bifunktionellen Organobromphosphine (II), (IV) und (VIb) werden in Abhängigkeit von der Alkylkettenlänge n, den Substituenten R′ und der Art der Brücke aus den analogen Chloriden (Ia) bzw. (III) oder den Diethylamino‐Derivaten (Ib), (V) bzw. (VIa) synthetisiert.

1982ChemInform（1982）

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7Meso, Rac-Ph(X)P-(Ch2)4-P(X)Ph Ligands In Complexes Of The Type (Co)4mcis(L-L), Investigation Of Stereoisomerism By 31p(1h) And 13c(1h) Nmr-Spectroscopy

K Diemert,W Kuchen,J Kutter

1982ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES（1982）

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8Zur Kenntnis Der Organophosphorverbindungen, XIX. Synthese Und Eigenschaften Bifunktioneller Organobromphosphane

K DIEMERT,W KUCHEN,J KUTTER

AbstractBifunktionelle Organobromphosphane Br2P[CH2]nPBr2 (n = 1–10) 1 und BrP(R′)RP‐(R′)Br (R = [CH2]n, p‐C6H4; R′ = Alkyl, Ph) 4 bzw. 8a wurden in Abhängigkeit von n, R und R′ nach verschiedenen Verfahren synthetisiert. Einige ihrer Reaktionen werden beschrieben und ihre 31P‐NMR‐Spektren diskutiert. 1,2‐Diphosphacycloalkane 13 wurden in stereospezifischer Reaktion durch Dehalogenierung von 4 mit Metallen erhalten.

1982CHEMISCHE BERICHTE-RECUEIL（1982）引用：31

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9Meso-rac-Ph(X)P-(CH2)4-P(X)Ph-Liganden in Komplexen Des Typs (CO)4M Cis(l-L), Untersuchung Der Stereoisomerie Durch 31 P{ 1 H}-und 13C{1 H}-NMR-Spektroskopie / Meso, Rac-Ph(x)p-(ch2)4-p(x)ph Ligands in Complexes of the Type (CO)4M Cis(l-L), Investigation of Stereoisomerism by 31P{1 H} and 13 C{ 1 H} NMR Spectroscopy

Klaus Diemert,Wilhelm Kuchen,Jürgen Kutter

Abstract By reaction of M(CO)6 (M = Cr, Mo, W) with the bifunctional aminophosphane Ph(NEt2)P-(CH2)4-P(NEt2)Ph (L-L) octahedral complexes (CO)4M cis(L-L) are obtained. While it is shown by 31P{1H} NMR spectroscopy, that these complexes contain meso-and rac-(L-L) to a different extent, there is evidence from 13C{1H} NMR data obtained for the Mo complex, that the rac-ligand always prevails. As racemisation is observed when the Mo complex reacts with HBr to give (CO)4Mo-cis[Ph(Br)P-(CH2)4-P(Br)Ph] an SN 1-mechanism is suggested for this reaction.

1982Zeitschrift für Naturforschung B（1982）引用：2

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10Bifunctional Aminophosphanes (et2n)2p(ch2)np(net2)2 and (et2n)2pp(net2)2 As Ligands in Metal(o) Carbonyl Complexes of Cr, Mo and W

K DIEMERT,W KUCHEN,J KUTTER

Depending on the value of n, bifunctional aminophosphanes (Et2N)2P(CH2)n-P(NEt2)2 (LL) have been shown to form either mononuclear complexes (CO)4M cis-(LL) (M = Cr, n = 1–4; M = Mo, W, n = 4) or binuclear compounds [(CO)4M(LL)]2 (M = Cr, n = 5–10) with ligand bridges in trans-positions. By suitable choice of reaction conditions, (CO)5M(LL)M(CO)5 (M = Cr, Mo, W, n = 4) containing only one ligand bridge can also be obtained. In the former compounds complete or partial substitution of amino groups by HBr was carried out, to give (CO)4M cis-[Br2P(CH2)4PBr2] (M = Cr, Mo), and (CO)4W cis-[Et2N(Br)P(CH2)4P(Br)NEt2], respectively. By the same method (CO)5CrBr2PPBr2Cr(CO)5, in which P2Br4 is stabilized by complex formation, was obtained from (CO)5Cr(Et2N)2PP(NEt2)2Cr(CO)5. The NMR, IR and mass spectra of the complexes are discussed.

1982Journal of organometallic chemistry（1982）引用：9

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11Stabilisierung Von Diphosphortetrabromid Als Bis(pentacarbonylchrom)-Komplex

Axel Hinke,Wilhelm Kuchen,Jürgen Kutter

Das bisher unbekannte P2Br4 konnte erstmalig als Ligand, und zwar im Bis(pentacarbonylchrom)-Komplex (1), stabilisiert werden. (1) entsteht u. a. aus (CO)5Cr·θF und PBr3 sowie aus (2) und HBr. Es wurden auch Hinweise auf die Bildung von freiem P2Br4 erhalten.

1981引用：12

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12(—)D-und (+)D-4-Methoxyphenylmethyl- thiophosphinsäure, Überprüfung der Racematspaltung mittels 31P{ 1H}-NMR-Spektroskopie/(—)D-and (+ )D-4-Methoxyphenylmethyl- thiophosphinic Acid, Control of the Resolution by 31P{1H} NMR Spectroscopy

Wilhelm Kuchen,Jurgen Kutter

Abstract (-)D-and (+)D-4-methoxyphenylmethyl-thiophosphinic acid, quinine salts of (-)D-and (+)D-4-methoxyphenylmethylthiophosphinic acid, checking of resolution by 31P{ 1H} NMR-spectroscopy (-)D-and(+)D-4-CH3OC6H4(CH3)P(S)OH acid were obtained from fractional crystallization of the quinine salt of the racemic acid. 31P{1H} NMR spectroscopy proved to be very useful in checking the separation process as well as the optical purity of the diastereomers and enantiomers.

1979Zeitschrift für Naturforschung B（1979）引用：4

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13(-)D And (+)D-4-Methoxyphenylmethyl-Thiophosphinic Acid, Control Of The Resolution By P-31(H-1)-Nmr Spectroscopy

W Kuchen,J Kutter

1979ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES（1979）

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