Synthesis of a New Optically Active Triphosphine with a Neopentane Backbone

Autor:	Gottfried Huttner, Laszlo Zsolnai, Horst Heidel
Rok vydání:	1995
Předmět:	chemistry.chemical_compound Neopentane chemistry Organic chemistry General Chemistry Optically active Photochemistry
Zdroj:	Zeitschrift für Naturforschung B. 50:729-734
ISSN:	1865-7117 0932-0776
DOI:	10.1515/znb-1995-0508
Popis:	The resolution of the racemate (BzlOCH2)(Me)C (COOH)(COOEt) (±)1 is the entry point for the enantioselective synthesis of the key compound 7 (MeC(CH2Cl)(CH2Br)(CH2OTfl)). Successive phosphination of 7 furnishes the triphosphine 10 (MeC(CH2PPh2)(CH2DBP)(CH2P(3,5-Me2C6H3)2) in both enantiomeric forms (DBP = dibenzophospholyl). The structures of the precursors (+)8S(MeC(CH2PPh2)(CH2DBP)(CH2Cl)) and (±)9 (MeC(CH2Br)(CH2Cl)(CH2DBP)) have been confirmed by X-ray analysis.
Databáze:	OpenAIRE
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