Derivatives of 4-aminopiperidine and their use as a medicament

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

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C546S186000, C546S197000

Reexamination Certificate

active

07858789

ABSTRACT:
A subject of the present application is new derivatives of 4-aminopiperidines of formulain which R1, R2and R3represent various radical, and their preparation processes by synthetic methods in parallel in liquid and solid phase. These products having a good affinity with certain sub-types of somatostatin receptors, they are particularly useful for treating the pathological states or diseases in which one (or more) somatostatin receptors are involved.

REFERENCES:
patent: 6756393 (2004-06-01), Andersson et al.
patent: 1 425 354 (1976-02-01), None
patent: 1 574 418 (1980-09-01), None
patent: 50-76076 (1975-06-01), None
patent: 53-87365 (1978-08-01), None
patent: WO 99/38514 (1999-08-01), None
patent: WO 00/72834 (2000-12-01), None
Archibald et al., “Antihypertensive Ureidopiperidines,” Journal of Medicinal Chemistry, vol. 23, pp. 857-861 (1980).
Harper et al., “The Chemistry and Pharmacology of Some 4-Aminopiperidines and Their Derivatives,” Journal of Medicinal Chemistry, vol. 7, pp. 729-732 (1964).
Hungarian Patent Document No. HU 157325, dated Apr. 8, 1970.

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