Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-12-13
2005-12-13
Dentz, Bernard (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S465000, C548S517000, C549S215000
Reexamination Certificate
active
06974876
ABSTRACT:
A synthesis is described for intermediates which are readily amenable to the large scale preparation of hydroxyethylurea-based chiral HIV protease inhibitors. The method includes forming a diastereoselective epoxide from a chiral alpha amino aldehyde.
REFERENCES:
patent: 4268688 (1981-05-01), Tinker et al.
patent: 4477441 (1984-10-01), Boger et al.
patent: 4514391 (1985-04-01), Gordon et al.
patent: 4548926 (1985-10-01), Matsueda et al.
patent: 4599198 (1986-07-01), Hoover
patent: 4616088 (1986-10-01), Ryono et al.
patent: 4665055 (1987-05-01), Evans et al.
patent: 4668769 (1987-05-01), Hoover
patent: 4668770 (1987-05-01), Boger et al.
patent: 4757050 (1988-07-01), Natarajan et al.
patent: 4788010 (1988-11-01), Floyd et al.
patent: H725 (1990-01-01), Gordon
patent: 4963530 (1990-10-01), Hemmi et al.
patent: 4977277 (1990-12-01), Rosenberg et al.
patent: 4990669 (1991-02-01), Reetz et al.
patent: 5157041 (1992-10-01), Handa et al.
patent: 5583238 (1996-12-01), Ng et al.
patent: 0 104 041 (1984-03-01), None
patent: 0 114 993 (1984-08-01), None
patent: 0 172 347 (1986-02-01), None
patent: 0 223 437 (1987-05-01), None
patent: 0 264 795 (1988-04-01), None
patent: 0 337 714 (1989-10-01), None
patent: 0 342 541 (1989-11-01), None
patent: 0 346 847 (1989-12-01), None
patent: 0 356 223 (1990-02-01), None
patent: 0 389 898 (1990-10-01), None
patent: 0 393 445 (1990-10-01), None
patent: 0 393 457 (1990-10-01), None
patent: 0 402 646 (1990-12-01), None
patent: 2184730 (1987-07-01), None
patent: 2209752 (1989-05-01), None
patent: 48029731 (1973-04-01), None
patent: WO 84/03044 (1984-08-01), None
patent: WO 9004917 (1990-05-01), None
patent: WO 92/14703 (1992-09-01), None
patent: WO 93/13066 (1993-07-01), None
Roberts et al., Science, 248, p. 358 (1990).
Krohn et al, J. Med. Chem., 34, p. 3340 (1991).
Getman et al, J.Med.Chem., 38, p. 288 (1993).
Reetz et al., Tet Lett., 30, p. 5425 (1989).
Sax, N.I., “Dangerous Properties of Industrial Materials,” 6th Ed., Van Nostrand Reinhold Co., 1984, p. 433.
“Handbook of Reactive Chemical Hazards”, 3rd Ed., Butterworths, 1985, p. 295.
Matteson et al, Synlett., p. 631 (1991).
Reetz et al., Angew. Chem. Int. Ed., 26., pp. 1141-1143 (1987).
J.R. Parikh, J. Amer. Chem. Soc., 89, pp. 5505-5507 (1967).
Erickson et al., Science, 249, pp. 527-533 (1990).
Drugs of the Future, 1991, 16(3), pp. 210-212.
Meek et al., Nature, 343, pp. 90-92 (1990).
V.J. Hunby and D. H. Rich, Pept. Struct. Funct. Proc. Am. Pept. Sym. 8th ed., pp. 511-520 (1983).
McQuade et al., “A Synthetic HIV-1 Protease Inhibitor with Antiviral Activity Arrests HIV-Like Particle Maturation,” Science, pp. 274, 454 (1990).
Rosenberg et al., J. Med. Chem., 30, pp. 1224-1228 (1987).
Sadhu et al, Tet Lett, 27, p. 795 (1996).
Villieras et al., Tet. Lett., 25, p. 835 (1984).
Fittkau, J. Prakt. Chem., 315, pp. 1037-1044 (1973).
Evans et al., J. Org. Chem., vol. 50, No. 23, pp. 4615-4624 (1985).
Michnick et al, Synlett, 9, pp. 631-632 (1991).
Hoffman et al., J. Chem. Soc., pp. 1950-196, Mar. 3, 1991.
Getman Daniel P
Mueller Richard A
Ng John S
Przybyla Claire A.
Vazquez Michael L
Dentz Bernard
G.D. Searle & Co.
LandOfFree
Method for preparing intermediates useful in synthesis of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for preparing intermediates useful in synthesis of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for preparing intermediates useful in synthesis of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3491706