Macrocyclic tetraamido ligands as bleaching catalysts and...

Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

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C540S463000, C510S311000, C510S376000

Reexamination Certificate

active

06992184

ABSTRACT:
The invention relates to a novel synthetic route for a group of ligands and to an improved catalyst containing the ligand. The invention also provides use of a ligand for inhibiting dye transfer.

REFERENCES:
patent: 4517122 (1985-05-01), Tomalia et al.
patent: 4577042 (1986-03-01), Collins et al.
patent: 4758682 (1988-07-01), Collins et al.
patent: 5189160 (1993-02-01), Memeger, Jr.
patent: 5247075 (1993-09-01), Parker et al.
patent: 5298618 (1994-03-01), Speranza et al.
patent: 5445755 (1995-08-01), Convents et al.
patent: 5474576 (1995-12-01), Thoen et al.
patent: 5785886 (1998-07-01), Kerschner et al.
patent: 5847120 (1998-12-01), Collins et al.
patent: 5853428 (1998-12-01), Collins et al.
patent: 5876625 (1999-03-01), Collins et al.
patent: 6051704 (2000-04-01), Gordon-Wylie et al.
patent: 6054580 (2000-04-01), Collins et al.
patent: 6099586 (2000-08-01), Collins et al.
patent: 6127536 (2000-10-01), Deline et al.
patent: 6136223 (2000-10-01), Collins et al.
patent: 6241779 (2001-06-01), Collins et al.
patent: 6297400 (2001-10-01), Deline et al.
patent: 6384279 (2002-05-01), Deline et al.
patent: WO 94/12621 (1994-06-01), None
patent: WO 94/21777 (1994-09-01), None
patent: WO 95/31526 (1995-11-01), None
patent: WO 97/29174 (1997-08-01), None
patent: WO 97/48787 (1997-12-01), None
patent: WO 98/39405 (1998-09-01), None
Al-Hassan. S. S. et al., Specific Inhibitors in Vitamin Biosynthesis. Part 7. Synthesis of Blocked 7,8-Dihydropteridines via α-Amino Ketones, J. Chem. Soc., Perkin Trans. 1 1985, pp. 1645-1659.
Bradshaw, J. S. et al., Aza-Crown Macrocycles, Chap IV, p. 146, John Wiley & Sons Inc. 1993.
Buschmann, J. et al., The Structures of Difluorodiisocyanatomethane, CF2(NCO)2:X-ray Crystallography, Gas Electron Diffraction, and Quantum Chemical Calculations, Phys. Chem. A 2000, 104, pp. 7123-7128.
Bushby, R. J. et al., The Introduction of Alkylidene Substituents into the 4-Position of the 3,3,5,5—Tetramethyl-Δ-pyrazoline Nucleus by the Thioketone plus Diazoalkane Reaction: Synthesis of Tetra substituted Episulphides and Alkenes, J. Chem. Soc., Perkin Trans. 1, pp. 2401-2408, 1979.
Collins. T. J., Designing Ligands for Oxidizing Complexes, Department of Chemistry, Carnegie Mellon University, Accounts of Chemical Research, 1994, 27, pp. 279-285.
Drake, N. L. et al. Synthetic Antimalarials. Some Derivatives of 8-Aminoquinoline, Laboratories of the University of Maryland, vol. 68, Aug. 1946, pp. 1536-1543.
Fletcher, G. A. et al., A List of Amino-Acids Derivatives Which Are Useful in Peptide Synthesis, Int J. Peptide Protein Res. 4, 1972, pp. 347-371.
Greene, T. W., Protactive Groups in Organic Synthesis, Chap. V, pp. 154-192, Chap. VII, pp. 218-287, Harvard University, John Wiley & Sons, 1981.
Kozmin, A. S. et al., Opening of the Three-Membered Ring of Derivatives of Cyclopropane-1, 1-Dicarboxylic Acid in the Reaction with Hydrazine Hydrate, trans. from Zhurnal Organicheskoi Khimil, vol. 7, No. 10, p. 2224, Oct, 1971, Journal of Organic Chemistry of U.S.S.R, pp. 2309-2310.
Kelnan, E. et al., Diiodosilane. 3. Direct Synthesis of Acyl Iodides from Carboxylic Acids, Esters, Lactones, Acyl Chlorides, and Anhydrides, J. Org. Chem. 1990, 55, pp. 3922-3926.
Krapcho, A. P. et al., α-Carbalkoxylations of Carboxylic Acids. A General Synthetic Route to Monoesters of Malonic Acids, Tetrahedron Letters No. 32, pp. 2721-2723, 1974.
Larock, R. C., Comprehensive Organic Transformations: A Guide to Functional Group Preparations, Wiley-VCH, New York. 22 nded., 1999, pp. 1941-1954.
Nakamura, M. et al., Fluorimetric Determination of Aromatuc Aldehydes With 4,6-Dimethoxyl-1,2-Diaminobenzene, Analytica Chimica Acta, 134, 1982, pp. 39-45.
Uffelman, E. S., Macrocyclic Tetraamido-N Ligands that Stabilize High Valent Complexes of Chromium, Manganese, Iron, Cobalt, Nickel and Copper, Chapter II, pp. 39-97, California Institute of Technology, Aug. 19, 1991.

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