Optically active iridium complexes, a process for their preparation and their use
CA 1314047 C · Owner: Kaschig, Jurgen · Inventors: Kaschig, Jurgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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6-15878/+, Optically active iridium complexes a process for their, preparation and their use Abstract, Optically active iridium complexes of the formula I and mixtures of the diastereomers, (I) in which R1 and R' are H and A is a radical of the formula II, IIa or IIb, (II), (IIa), (IIb) or R1 and R' represent a bond and A is a radical of the formula IIc, (IIC), in which R2 is -H or -CH3 X? is an anion of an inor-, ganic or organic acid Y and Z are each ethylene, or Y and, Z together represent an open-chain or cyclic diene having 6-10 C atoms, whose diene groups are bonded via one or two C atoms; and R is a hydrocarbon radical having at least one chiral C atom or a hydrocarbon radical having …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 2, 2010.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.