Process for producing optically active-3-quinuclidinols

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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Reexamination Certificate

active

07462722

ABSTRACT:
An object of the present invention is to provide a process for producing optically active 3-quinuclidinol having high optical purity or the salt thereof at high yield.The invention relates to a process for producing optically active 3-quinuclidinol or the salt thereof by reacting 3-quinuclidinone or the salt thereof with hydrogen in the presence of a basic compound, a complex of a transition metal in Groups 8 to 10, an optically active bidentate ligand and an optically active diamine.

REFERENCES:
patent: 5744606 (1998-04-01), Breiden
patent: 2003-277380 (2003-10-01), None
patent: 2003277380 (2003-10-01), None
patent: 2004-075560 (2004-03-01), None
patent: 2004/078686 (2004-09-01), None
W. Baratta, et al., “Organometallics”, vol. 24, No. 7, pp. 1660-1667 (2005).
European Search Report dated Mar. 14, 2006.

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