Optically active diphosphine ligands

Details Optically active diphosphine ligands Optically active diphosphine ligands

1998-06-16

1999-11-23

Owens, Amelia

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549206, 549213, 502207, 502213, C07F 9655, C07F 502, C07F 1500

Patent

active

059903201

ABSTRACT:
Optically active diphosphine ligands of the formula I, ##STR1## where: R.sup.1 is hydrogen, C.sub.1 -C.sub.10 -acyl, C.sub.1 -C.sub.10 -alkyl, C.sub.2 -C.sub.10 -alkenyl, each of which may be linear or branched, aryl, arylalkyl, in which the ring systems may be substituted in each case, ##STR2## R.sup.2, R.sup.3 independently of one another are C.sub.1 -C.sub.10 -alkyl, which may be linear or branched, aryl, arylalkyl, in which the ring systems may be substituted in each case,

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