Preparation of mono-N-sulphonylated diamines

Details Preparation of mono-N-sulphonylated diamines Preparation of mono-N-sulphonylated diamines

2007-06-19

2007-06-19

Barts, Samuel A (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S061000

Reexamination Certificate

active

10463799

ABSTRACT:
The present invention relates to a process for preparing mono-N-sulphonylated diamines by reacting diamines with sulphonyl halides in the presence of water, base and organic solvents.

REFERENCES:
patent: 6184381 (2001-02-01), Ikariya et al.
patent: 6887820 (2005-05-01), Ikariya et al.
Balsell, Jaume et al.: J. Org. Chem., Bd., 65, 2000, Seiten 5005-5008, XP002261976 *Seite 5005-Seite 5007.
Balsells, Jaume et al.: Tetrahedron-Asymmetry, Bd. 9, 1998, Seiten 4135-4142, XP0001091305 *Seite 4136* *Seite 4138*.
Ng K et al: “Synthesis of homochiral pentadentate sulfonamide-based ligands” Tetrahedron: Asymmetry, Elsevier Science Publishers, Amsterdam, NL, Bd. 12, Nr. 12, Jul. 16, 2001, Setien 1719-1722, XP004298252 ISSN: 0957-4166 *Seite 1719-Seite 1720*.
Meuzelaar G et al: “Chemistry of Opium Alkaloids, 45. Improvements in the Total Synthesis of Morphine” European Journal of Organic Chemistry, Wiley-VCH Verlag, Weinheim, DE Bd. 9, 1999, Seiten 2315-2321, XP002192470 ISSN: 1434-193X *Seite 2317* *Seite 2319-Seite 2320*.
Zassinovich et al., Chem. Rev. (month unavailable) 1992, 92, 1051-1069 “Asymmetric Hydrogen Transfer Reactions Promoted by Homogeneous Transition Metal Catalysts”.
Wills et al., Tetrahedron, Asymmetry 10, (month unavailable) 1999, 2045-2061, “Asymmetric transfer hydrogenation of C=O and C=N bonds”.
R.A. Sheldon et al., Eur. J. Org. Chem. (month unavailable) 1999, 2315-2321, “Chemistry of Opium Alkaloids, 45[‡]Improvements in the Total Synthesis of Morphine”.
Noyori et al., J. Amer. Chem. Soc. (month unavailable) 1995, 117, 7562, “Asymmetric Transfer Hydrogenation of Aromatic Ketones Catalyzed by Chiral Ruthenium(II) Complexes”.
Noyori et al., American Chemical Society, Accounts of Chemical Research, vol. 30, No. 2, (month unavailable) 1997, 97-102, “Asymmetric Transfer Hydrogenation Catalyzed by Chiral Ruthenium Complexes”.

Affiliated with

Also associated with

Rating

Preparation of mono-N-sulphonylated diamines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of mono-N-sulphonylated diamines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of mono-N-sulphonylated diamines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3867810