Six-membered chiral phosphine ligands

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C564S012000, C564S016000, C568S012000

Reexamination Certificate

active

06900352

ABSTRACT:
A novel class of chiral phosphine ligands useful for producing catalyst for asymmetric reactions with general structure of Formula 1:

REFERENCES:
patent: 5202493 (1993-04-01), Burk
patent: 5521281 (1996-05-01), Sen et al.
patent: 5532395 (1996-07-01), Burk
patent: 5807872 (1998-09-01), Shih et al.
patent: 5936109 (1999-08-01), Berens
patent: 6172249 (2001-01-01), Berens et al.
patent: 6337406 (2002-01-01), Zhang
BRN 3877114 abs of J. Chem Soc by Mann et al pp 3039-42 1952.*
CA:110:83109 abs of Izvestiya Akademii Nauk SSSR Seriya Khimicheskaya by Prokof ev et al (9) pp 2074-80 1988.*
CA:82:98077 abs of Tetrahedron Letters by S. Samaan (45) pp 3927-30 1974.*
CA:91:175450 abs of Phosphorus and Sulfur and the related elements by S. Samaan 7(1) pp 89-94 1979.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Six-membered chiral phosphine ligands does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Six-membered chiral phosphine ligands, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Six-membered chiral phosphine ligands will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3425449

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.