Organic compounds -- part of the class 532-570 series – Organic compounds – Pteroyl per se or having -c- – wherein x is chalcogen – bonded...
Reexamination Certificate
2005-11-01
2005-11-01
McKenzie, Thomas C. (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Pteroyl per se or having -c-, wherein x is chalcogen, bonded...
C548S371700
Reexamination Certificate
active
06960661
ABSTRACT:
[7-(3-chloro-4-methoxybenzylamino)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-ylmethoxy]acetic acid,is disclosed, as well as a process for its preperation and intermediates in the process of preparing the same.
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patent: 197 52 952 (1999-06-01), None
patent: WO 01 18004 (2001-03-01), None
West, Anthony R., Solid State Chemistry and its Applications, Wiley, New York, 1988, pp. 358 & 365.
Dumaitre B et al: “Synthesis and Cyclic GMP Phosphodiesterase Inhibitory Activity of a Series of 6-Phenylpyrazolou3, 4-Dpyrimidones” Journal of Medicinal Chemistry, American Chemical Society. Washington, US, vol. 39, No. 8, 1996, pp. 1635-1644, XP000651134 ISSN: 0022-2623 p. 1635, right-hand column; figure 1.
McKenzie Thomas C.
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
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