1958
DOI: 10.1002/cber.19580911107
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Zur Kenntnis der Organophosphorverbindungen, I. Das Tetraphenyl‐cyclo‐tetraphosphin

Abstract: 2296 KUCHEN und BUCHWALD Jahrg. 91 Reiiiigrmg und Isolierirng des Tryptophanals durcli Papierchromntographie: Die nach Reduktion von Tryptophan-methylester erhaltene schwachgelbe, klare Reaktionslosung wurde i. Vak. bei einer Badtemperatur von hochstens 50" fast bis zur Trockne eingedampft und der verbleibende Ruckstand rnit 50 ccm absol. Athanol behandelt. Die Losung wurde filtriert, erneut i. Vak. eingeengt und der noch feuchte Ruckstand in l00ccm absol. Athanol aufgenommen. 0.01 ccm der athanol. Losung … Show more

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Cited by 95 publications
(26 citation statements)
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“…Solvents were dried and freshly distilled from Na/K‐alloy when necessary. Phenylphosphane was synthesized by reduction of dichlorophenylphosphane with LAH . 1‐Thienyl‐4 phenyl‐butadiyne was prepared according to a published procedure .…”
Section: Methodsmentioning
confidence: 99%
“…Solvents were dried and freshly distilled from Na/K‐alloy when necessary. Phenylphosphane was synthesized by reduction of dichlorophenylphosphane with LAH . 1‐Thienyl‐4 phenyl‐butadiyne was prepared according to a published procedure .…”
Section: Methodsmentioning
confidence: 99%
“…− The melting points were determined in sealed capillaries under argon and are uncorrected. RPH 2 (R = Ph,66 Mes,67 Tipp13), and [Cu(CH 3 CN) 4 ]BF 4 68 were prepared according to literature procedures. [Cp 2 TiCl 2 ] and ethylene sulfide are commercially available (Aldrich) .…”
Section: Methodsmentioning
confidence: 99%
“…Ϫ Propene oxide and cyclohexene oxide are commercially available. RPH 2 (R ϭ Ph, [13] Mes, [14] Tipp [14] ) were prepared according to literature procedures.…”
Section: Methodsmentioning
confidence: 99%