Ruthenium-disphosphine complexes and their use as catalysts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 26, 2002
Grant Date -
Feb 28, 2002
app pub date -
Mar 29, 2001
filing date -
Mar 30, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention concerns novel complexes, suitable in particular for use as catalysts in the asymmetric hydrogenation of ketones, of formula 1 ##STR1## or a diastereoisomer thereof, wherein each Ar is an aromatic or heteroaromatic group of up to 20 atoms; X is halide or carboxylate; and R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen, aryl or alkyl, optionally linked or part of a ring.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully