Substituted 3,4-dihydro-pyrimido[1,2a]pyrimidines and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S279000, C544S278000

Reexamination Certificate

active

10409614

ABSTRACT:
Substituted 3,4-dihydro-pyrimido[1,2a]pyrimidines and 3,4-dihydro-pyrazino[1,2a]pyrimidines of general formula I, the invention also relates to a method for the production thereof, substance libraries containing these compounds, medicaments which contain these compounds in the production of medicaments for treating pain, urinary incontinence, itching, tinnitus aurium and/or diarrhea and to pharmaceutical compositions containing these compounds.

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patent: 94/17067 (1994-08-01), None
Hirots et al., Heterocycles 37(5): 563-570, 1994.
Mellor et al., Tetrahedron Letters 37(15): 2619-2622, 1996.
Okamoto et al., Chemical & Pharmaceutical Bulletin 19(4): 764-769, 1971, CA 76:3782, 1972.
Otomasu et al., Yakugaku Zasshi 90(11): 1391-1395, 1970, CA 77: 126598, 1972.
“The SMA 12/60 opens the doors to automated biochemical analysis” Journal of Medicinal Chemistry, vol. 11, No. 5, Sep. 1968.

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