Methods of preparing sulfinamides and sulfoxides

Details Methods of preparing sulfinamides and sulfoxides Methods of preparing sulfinamides and sulfoxides

2007-08-14

2007-08-14

Shameem, Golam M. M. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

11340551

ABSTRACT:
This invention encompasses novel methods of preparing sulfinamides and sulfoxides, particularly stereomerically pure sulfinamides and sulfoxides. The invention further encompasses novel compounds from which sulfinamides and sulfoxides can be prepared.

REFERENCES:
patent: 4562185 (1985-12-01), Jager et al.
patent: 5271812 (1993-12-01), Gao et al.
patent: 5714504 (1998-02-01), Lindberg et al.
patent: 5776765 (1998-07-01), Graham et al.
patent: 5945425 (1999-08-01), Moormann et al.
patent: 5948789 (1999-09-01), Larsson et al.
patent: 7064214 (2006-06-01), Senanayake et al.
patent: 7129378 (2006-10-01), Han et al.
patent: 2005/0165240 (2005-07-01), Han et al.
Cogan, Derek A et al, Asymmetric Synthesis of Chiral Amines by Highly Diastereoselective 1,2-Additions of Organometallic Reagents to N-tert-Butanesulfinyl Imines. Tetrahedron 55 (1999) 8883-8904.
Tang, Tony P et al, The tert-Butanesulfinyl Group: An Ideal Chiral Directing Group and Boc-Surrogate for the Asymmetric Synthesis and Applications of beta-Amino Acids. J. Org. Chem. 1999, 64, 12-13.
Liu, Guangcheng et al, Catalytic Asymmetric Synthesis of tert-Butanesulfinamide. Application to the Asymmetric Synthesis of Amines. J. Am. Chem. Soc. 1997, 119, 9913-9914.
Davis, Franklin A et al, Concise Asymmetric Synthesis of alpha-Amino Acid Derivatives from N-Sulfinylimino Esters. J. Org. Chem. 1999, 64, 3396-3397.
Cogan, Derek A, Catalytic Asymmetric Oxidation of tert-Butyl Disulfide. Synthesis of tert-Butanesulfinamides, tert-Butyl Sulfoxides and tert-Butanesulfinimines. Journal of the American Chemical Society. vol. 120, No. 32, Aug. 19, 1998.
Owens, Timothy D et al, Synthesis, Utility and Structure of Novel Bis(sulfinyl)imidoamidine Ligands for Asymmetric Lewis Acid Catalysis. J. Am. Chem. Soc. 2001, 123, 1539-1540.
Kagan, H. B et al, Some Routes to Chiral Sulfoxides with Very High Enantiomeric Excesses. Synlett 643-650, 1990.
Pflum, Derek A et al, Asymmetric Synthesis of Cetirizine Dihydrochloride. Tetrahedron Letters 43 (2002) 923-926.
Wudl, F et al, Novel Asymmetric Synthesis of Chiral Sulphoxides. J.C.S. Chem. Comm. 1972, 61-62.
Wudl, F et al, Asymmetric Synthesis of Chiral Sulfoxides. II. An Intramolecular O → N Sulfinyl Migration. Journal of the American Chemical Society 95:19 Sep. 19, 1973. 6349-6358.

Affiliated with

Also associated with

Rating

Methods of preparing sulfinamides and sulfoxides does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods of preparing sulfinamides and sulfoxides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods of preparing sulfinamides and sulfoxides will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3848010