Iridium complexes and the use thereof

Details Iridium complexes and the use thereof Iridium complexes and the use thereof

1989-04-12

1991-03-05

Prescott, Arthur C.

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

Organic compounds

Heavy metal containing

C07F 1500

Patent

active

049979647

ABSTRACT:
Optically active iridium complex of the formula I ##STR1## in which the >CH--CH< group contains at least one chiral C atom, R.sup.1 and R.sup.2 together are unsubstituted or C.sub.1 -C.sub.4 -alkyl substituted --(CH.sub.2).sub.4 -- or R.sup.1 is alkyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl substituted, cycloalkyl, aryl, or aralkyl or alkaralkyl and R.sup.2 is H, X.sup.- is the anion of a monobasic inorganic or organic acid, and Y and Z are each ethylene or Y and Z together are an acyclic or cyclic diene having 6 to 10 c atoms whose diene groups are bonded via 1 or 2 C atoms, are suitable for use as enantioselective homogeneous catalysts.

REFERENCES:
patent: 4290961 (1981-09-01), Mestroni et al.
A. L. McCrary and W. L. Howard, Chelating Agents, vol. 5, p. 340, Kirk-Othmer, 3rd Ed.
Griffith, W. P. The Chemistry of the Rare Platinum Metals (Os, Ru, Ir & Rh), 1967, Interscience, pp. 262, 263, 82-84, 86, 87, 109, 350, 351, 169, 172.
Hartley, F. R. The Chemistry of Platinum & Palladium, Wiley, 1973, See Index under Ethylenediamine Complexes.

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