Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 2,2'-disubtituted 1,1'-diphosphino-ferrocenes and 1',2-disubstituted 1-phosphino-ferrocenes, processes for preparing them, their use, and transition metal complexes comprising them

2,2'-disubtituted 1,1'-diphosphino-ferrocenes and 1',2-disubstituted 1-phosphino-ferrocenes, processes for preparing them, their use, and transition metal complexes comprising them

US Patent 5856540 · Granted Jan 5, 1999

Estimated economic value: $484,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for carbonylating phenylalkyl derivatives by means of carbon monoxide2012
Process for the preparation of diphenyl azetidinone derivatives2009
Process for the stereoselective synthesis of 3-substituted 2-sulfonylmethylpropi1997
Halogenated biphenyl-2,2'-diylbisdiphenylphosphines, their preparation and their1997
Crystalline acid addition salts of diastereomerically pure 1-(2,2-dimethylpropin1997
Crystalline acid addition salts of diastereomerically pure 1-(2,2-dimethyl-propi1996
Process for the diastereoselective reductive pinacol coupling of homochiral .alp1996
Process for preparing tert-butyl (3R,5S)-6-hydroxy-3,5--O--isopropylidene-3,5-di1995