ZfN: Search Results

1	Author	Reiner Luckenbach, Klaus Lorenz	Requires cookie*
	Title	Das 2-Oxazolinsystem als Schutzgruppe für die sterisch gehinderte Carboxylfunktion bei Grignard-Reaktionen: Synthese phosphororganischer Verbindungen m it einem o-Carboxyphenylrest
	Abstract	The efficiency of the 2-oxazoline system as a protecting group for the sterically hindered carboxyl function is demonstrated in the case of Grignard-reactions of certain organo phosphorus compounds. Thereby, organophosphorus species with an o-carboxyphenyl group are easily accessible. Additionally, the enantiomer separation of an unsymmetrically substituted tertiary phosphine oxide with an o-carboxyphenyl group is described.
	Reference	(Z. Naturforsch. 32b, 1038—1047 [1977]; eingegangen am 26. April 1977)
	Published	1977
	Keywords	2-Oxazoline System, Organophosphorus Compounds, Chiral Phosphine Oxide
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	TEI-XML for	default:Reihe_B/32/ZNB-1977-32b-1038.pdf
	Identifier	ZNB-1977-32b-1038
	Volume	32

2	Author	Reiner Luckenbach	Requires cookie*
	Title	Zur Stereochemie der Phosphinoxidspaltung chiraler acyclischer Phosphoniumsalze The Stereochemistry of the Phosphine Oxide Cleavage of Chiral Acyclic Phosphonium Salts
	Abstract	The stereochemistry of the 'phosphine oxide cleavage' of 37 different chiral acyclic quaternary phosphonium salts under various reaction conditions is presented and discussed. Über den sterischen Verlauf der unter der Be-zeichnung "Phosphinoxidspaltung" bekannten Um-setzung quartärer acychscher chiraler Phosphonium-salze mit Alkalihydroxiden zu tertiären Phosphin-oxiden und Kohlenwasserstoffen gemäß der Glei-chung (1)
	Reference	(Z. Naturforsch. 31b, 1127—1134 [1976]; eingegangen am 20. April 1976)
	Published	1976
	Keywords	Chiral Phosphonium Salts, Chiral Phosphine Oxides, Stereochemistry, Phosphine Oxide Cleavage, Phosphorane Intermediates
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	TEI-XML for	default:Reihe_B/31/ZNB-1976-31b-1127.pdf
	Identifier	ZNB-1976-31b-1127
	Volume	31