Nye bisphosphiner som katalysatorer for asymmetriske reaktioner

Enantiomerically pure 5,5'-dichloro-6,6'-dimethoxybiphenyl-2,2'-diyl-bis-(disubstd. phosphine) cpds. of formula (I) are new. R = phenyl (opt. substd. by 1-3 of R , OR , NO2, NH2, NHR and NR 2), 1-7C alkyl or 3-7C cycloalkyl; R = 1-6C alkyl. N.B. Formula (I) as given in the specificati...

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Bibliographische Detailangaben
Hauptverfasser:	SCHROEDER, GEORG, ARLT, DIETER, DR, LAUE, CHRISTIAN
Format:	Patent
Sprache:	dan
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Enantiomerically pure 5,5'-dichloro-6,6'-dimethoxybiphenyl-2,2'-diyl-bis-(disubstd. phosphine) cpds. of formula (I) are new. R = phenyl (opt. substd. by 1-3 of R , OR , NO2, NH2, NHR and NR 2), 1-7C alkyl or 3-7C cycloalkyl; R = 1-6C alkyl. N.B. Formula (I) as given in the specification is incorrect. Also new are complexes (A) of (I) with Gp. VIII metals, pref. rhodium, ruthenium or iridium.