Opiate intermediates and methods of synthesis

Details Opiate intermediates and methods of synthesis Opiate intermediates and methods of synthesis

2007-04-30

2009-11-24

Davis, Zinna N (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07622586

ABSTRACT:
Novel opiate intermediate compositions and methods of synthesis that include changing the substitution pattern on the aromatic ring of the pre-Grewe intermediate are provided.

REFERENCES:
patent: 3168546 (1965-02-01), Ballauf et al.
patent: 3438989 (1969-04-01), Shavel Jr. et al.
patent: 3652633 (1972-03-01), Distler et al.
patent: 3862327 (1975-01-01), Covey et al.
patent: 3914233 (1975-10-01), Mohacsi et al.
patent: 3922285 (1975-11-01), Leimgruber et al.
patent: 4368326 (1983-01-01), Rice
patent: 4384991 (1983-05-01), Balazs et al.
patent: 4410700 (1983-10-01), Rice
patent: 4452601 (1984-06-01), Collins et al.
patent: 4514569 (1985-04-01), Hendrickson et al.
patent: 4521601 (1985-06-01), Rice
patent: 4613668 (1986-09-01), Rice et al.
patent: 4727146 (1988-02-01), Rice
patent: 4737504 (1988-04-01), Miller et al.
patent: 5023342 (1991-06-01), Sharpless et al.
patent: 5286899 (1994-02-01), Gao
patent: 5445164 (1995-08-01), Worthen et al.
patent: 5446164 (1995-08-01), Ishikawa et al.
patent: 5519034 (1996-05-01), Kozlik et al.
patent: 5668285 (1997-09-01), Rice et al.
patent: 5804586 (1998-09-01), Sargent et al.
patent: 5807868 (1998-09-01), Sargent et al.
patent: 5869697 (1999-02-01), Busheam et al.
patent: 6043253 (2000-03-01), Brockunier et al.
patent: 6566525 (2003-05-01), Kim et al.
patent: 6593341 (2003-07-01), Feller et al.
patent: 6596734 (2003-07-01), Feller et al.
patent: 2003/0073742 (2003-04-01), Thijs et al.
patent: 2003/0176414 (2003-09-01), Guarna et al.
patent: 1138765 (1962-10-01), None
patent: 685748 (1953-01-01), None
patent: WO 82/04049 (1992-11-01), None
Hong et al., Preparation of Opium Alkaloids by Palladlum Catalyzed Bis-Cyclizaions. Formal Total Synthesis of Morphine., Tetrahedron Letters, vol. 35, No. 21, pp. 3453-3456, 1994, XP-002376506 (Search Report Apr. 11, 2006).
Hsu, et al., 215. Total Synthesis of (±)-3-Deoxy-7,8-dihydromorphine, Helvetica Chimica Acta, vol. 63, Fasc. 7, 1980-Nr. 215, pp. 2042-2045.
Degraw et al.; Investigation of the Grewe Codeine Method. Attempts to Achieve a Practical Synthesis, J. Heterocyclic Chem., vol. II, Jun. 1974, pp. 363-367.
Beyerman et al., Lab. Org. Chem., Tech. Hogesch. Delft. Delft. Neth.); Recl. Trav. Chim. Pays-Bas, 1976, 95(7-8), 184-8 (Eng.), pp. 182-187.
Seyden-Penne, Chiral Auxilianies and Ligands in Asymetric Synthesis, 1995, pp. 230-240.

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