Hydroxyalkyl cyclic diamine compound

Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

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C544S360000

Reexamination Certificate

active

10733243

ABSTRACT:
The present invention is directed to a compound represented by the following formula (1) and to a process for producing a compound (5) from the compound (1).By use of the compound (1) of the present invention, a variety of cyclic diamine derivatives (5) or salts thereof, useful as drugs, can be produced in an industrially advantageous manner with a constant yield.

REFERENCES:
patent: 6969711 (2005-11-01), Shibuya et al.
patent: WO 98/54153 (1998-12-01), None
U.S. Appl. No. 10/535,705, filed May 20, 2005, Shibuya, et al.

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