[7-(3-chloro-4-methoxybenzlamino)-1-methyl-3-propyl-1H-pyraz...

Organic compounds -- part of the class 532-570 series – Organic compounds – Pteroyl per se or having -c- – wherein x is chalcogen – bonded...

Reexamination Certificate

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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.

REFERENCES:
patent: 4666908 (1987-05-01), Hamilton
patent: 6130223 (2000-10-01), Christadler et al.
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.

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