Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2003-12-19
2008-10-07
Wang, Shengjun (Department: 1617)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S263370, C544S276000, C544S277000
Reexamination Certificate
active
07432274
ABSTRACT:
Methods and novel intermediates for the preparation of and the treatment with acyclic nucleoside derivatives of the formula:where one of R1and R2is an amino acid acyl group and the other of R1and R2is a —C(O)C3-C21saturated or monounsaturated, optionally substituted alkyl andR3is OH or H.
REFERENCES:
patent: 5216141 (1993-06-01), Benner
patent: 5216142 (1993-06-01), Horrobin et al.
patent: 5284837 (1994-02-01), Lindborg et al.
patent: 5473063 (1995-12-01), Classon et al.
patent: 5543414 (1996-08-01), Nestor et al.
patent: 5565461 (1996-10-01), Lindborg et al.
patent: 5608064 (1997-03-01), Singh et al.
patent: 5656617 (1997-08-01), Lindborg et al.
patent: 5747473 (1998-05-01), Classon et al.
patent: 5869493 (1999-02-01), Engelhardt et al.
patent: 6255312 (2001-07-01), Engelhardt et al.
patent: 6703394 (2004-03-01), Engelhardt et al.
patent: 19526163 (1996-02-01), None
patent: 0099493 (1984-02-01), None
patent: 0186640 (1986-07-01), None
patent: 0308065 (1989-03-01), None
patent: 0165289 (1989-04-01), None
patent: 0343133 (1989-11-01), None
patent: 0375329 (1990-06-01), None
patent: 0654473 (1995-05-01), None
patent: 0694547 (1996-01-01), None
patent: 0728757 (1996-08-01), None
patent: 0827960 (1998-03-01), None
patent: 85/02845 (1985-07-01), None
patent: 89/03837 (1989-05-01), None
patent: 89/10923 (1989-11-01), None
patent: 93/07163 (1993-04-01), None
patent: 94/22887 (1994-10-01), None
patent: 94/24134 (1994-10-01), None
patent: 95/09855 (1995-04-01), None
patent: 95/22330 (1995-08-01), None
patent: 97/27194 (1997-07-01), None
patent: 97/27195 (1997-07-01), None
patent: 97/27196 (1997-07-01), None
patent: 97/27197 (1997-07-01), None
patent: 97/27198 (1997-07-01), None
patent: 97/30051 (1997-08-01), None
patent: 97/30052 (1997-08-01), None
J.F. Nave et al., “Synthesis, Enzymatic Phosphorylation and Antiviral Activity of Acyclic Dienyl Phosphonate Derivatives of Guanine”, Biorganic & Medical Chemistry Letters 6 179-184 (1996).
S. Halazy et al., “9-(Difluorophosphonalkyl) guanines as a New Class of Multisubstrate Analogue Inhibitors of Purine Nucleoside Phosphorylase”, J. Am. Chem. Soc. vol. 113, pp. 315-317 (1991).
F. Vandendriessche et al., “Synthesis and Antiviral Activity of Acyclic Nucleosides with a 3(S), 5-Dihyroxypentyl or 4(R)-Methoxy-3(S), dihydroxypentyl Side Chain”, J.Med.Chem. vol. 35, No. 8, pp. 1458-1465 (1992).
Benjamin et al., Pharmaceutical Research, 4, No. 2, 120-125 (1987).
Harden et al., J. Med. Chem. 32, 1738-1743 (1989).
Lake-Bakaar et al., Antimicrobial Agents and Chemotherapy, 33, No. 1, 110-112 (1989).
Hodge et al., Antimicrobial Agents and Chemotherapy, 33, No. 10., 1765-1773 (1989).
Terao et al., Chem. Pharm. Bull. 39(3), 823-825 (1991).
Ohsawa et al., Chem. Pharm. Bull. 41(11) 1906-1909 (1993).
Lowe, Antimicrobial Agents and Chemotherapy, 39, No. 8, 1802-1808 (1995).
Kim et al., Bioorganic & Medicinal Chemistry Letters 6, No. 15, 1849-1854 (1996).
M. Perez et al. “Stereocontrolled Synthesis of Phosphonate Derivatives of Tetrahydro-and Dihydro-2H-Pyranyl Nucleosides: The Selectivity of the Ferrier Rearrangement”, Tetrahedron, vol. 6, No. 4, pp. 973-984 (1995).
G.R. Green, “The Effecet of the C-6 Constituent on the Regrioselectivity of N-Alkylation of 2-Aminopurines”, Tetrahedron, vol. 46, No. 19, 99. 6903-6914 (1990).
M. Ashwell, “An Improved Route to Guanines Substituted at N-9”, J. Chem. Soc., Chem, Commun., pp. 955-956 (1990).
“Drug Evaluation Manual,” 1993 (A.M.A) p. 1723.
de Miranda, Antiviral Chem & Chemotherapy, 3(1), 1-8.
de Miranda, “Acyclovir Symposium” in Am. J. Medicine, vol. 73, p. 31.
Engelhardt Per
Hogberg Marita
Johansson Nils-Gunnar
Lindborg Bjorn
Zhou Xiao-Xiong
Birch & Stewart Kolasch & Birch, LLP
Medivir AB
Wang Shengjun
LandOfFree
Acyclic nucleoside derivatives does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Acyclic nucleoside derivatives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Acyclic nucleoside derivatives will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4018256