Ferrocene diphosphines as ligands for homogeneous catalysts

Details Ferrocene diphosphines as ligands for homogeneous catalysts Ferrocene diphosphines as ligands for homogeneous catalysts

1994-09-27

1995-11-14

Nazario-Gonzales, Porfirio

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

Organic compounds

Heavy metal containing

556 13, 556 14, 556 22, 556143, C07F 1702, C07F 1502

Patent

active

054668441

ABSTRACT:
Compounds of the formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl, phenyl or phenyl which is substituted by 1 to 3 C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy groups; R.sub.2 and R.sub.3 are each independently of the other typically C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl, or C.sub.1 -C.sub.4 alkyl- or C.sub.1 -C.sub.4 alkoxy-substituted C.sub.5 -C.sub.12 cycloalkyl, or phenyl which is substituted by one to three identical or different members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen; R.sub.10 and R.sub.11 are identical and are typically C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.1 -C.sub.4 alkyl- or C.sub.1 -C.sub.4 alkoxy-substituted C.sub.5 -C.sub.12 cycloalkyl or phenyl which is substituted by 1 to 3 identical or different members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen; or R.sub.10 and R.sub.11 are different and are C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.1 -C.sub.4 alkyl- or C.sub.1 -C.sub.4 alkoxy-substituted C.sub.5 -C.sub.12 cycloalkyl, phenyl or phenyl which is substituted by 1 to 3 identical or different members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, and * denotes a stereogenic carbon atom, in the form of their racemates and diastereoisomers or mixtures of diastereoisomers.

REFERENCES:
patent: 4994615 (1991-02-01), Spindler
patent: 5011995 (1991-04-01), Pilgin
patent: 5128478 (1992-07-01), Ito
patent: 5371256 (1994-12-01), Togni et al.
Hayashi et al., Bull. Chem. Soc. Jpn., vol. 53, No. 4, pp. 1138-1151 (1980).
Bull. Chem. Soc., Japan, 53, pp. 1136-1151 (1980).

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