Optically active diamines and their use in catalytic processes

Details Optically active diamines and their use in catalytic processes Optically active diamines and their use in catalytic processes

2006-06-20

2006-06-20

Davis, Brian (Department: 1621)

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

Organic compounds

Carboxylic acid esters

C560S038000, C558S390000, C558S430000, C564S015000, C568S814000

Reexamination Certificate

active

07064231

ABSTRACT:
The invention relates to stereoisomerically enriched diamines, to metal complexes comprising these diamines and also to their use in a process for asymmetrically reducing ketones using silanes, in particular polymethylhydrosiloxane, as reducing agents.

REFERENCES:
patent: 4165330 (1979-08-01), Whitney et al.
patent: 5227538 (1993-07-01), Buchwald et al.
patent: 6245952 (2001-06-01), Mimoun
patent: 6392103 (2002-05-01), Mimoun
patent: 6533960 (2003-03-01), Mimoun
patent: 6573395 (2003-06-01), Mimoun
patent: 2002/0161252 (2002-10-01), Mimoun
patent: 00/24751 (2000-05-01), None
Database CAPLUS on STN, Acc. No. 1983:540045, Horner et al., Phosphorus and Sulfur and the Related Elements (1983) 15(3), p. 331-49 (abstract).
Two Isomeric Cyclohexylcyclams; Polyhedron, Bd. 17, Nr. 9, 1998, Seiten 1463-1470, EX0001156620; * Beispeil lt*.
J. Am. Chem. Soc. month unavailable 1994, 116, pp. 11667-11670; M.B. Carter, B. Schiott, A. Gutierrez and S.L. Buchwald; “Enantioselective Hydrosilylation of Ketones with a Chiral Titanocene Catalyst”.
J. Am. Chem. Soc. month unvailable 1999, pp. 6158-6166; H. Mimoun, J. Yves de Saint Laumer, L. Giannini, R. Scopelliti and C. Floriani; “Enantioselective Reduction of Ketones by Polymethyl hydrosiloxane in the Presence of Chiral Zinc Catalysts”.
J. Am. Chem. Soc., 1999 Supporting Info pp. 1-35.

Affiliated with

Also associated with

Rating

Optically active diamines and their use in catalytic processes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optically active diamines and their use in catalytic processes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optically active diamines and their use in catalytic processes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3694930