Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2006-04-18
2006-04-18
Barts, Samuel (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S304000, C564S437000, C564S443000
Reexamination Certificate
active
07030276
ABSTRACT:
A process for preparing 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol with high stereoselectivity and high yield by reacting 2-[(dimethylamino)methyl]-cyclohexanone in a Grignard reaction with a Grignard compound of 3-bromoanisole in a suitable solvent and in the presence of an inorganic lithium salt and an α,ω-dialkoxyalkane.
REFERENCES:
patent: 6399829 (2002-06-01), Jarvi
patent: 6469213 (2002-10-01), Schickaneder
patent: 99 03820 (1999-01-01), None
patent: 99 61405 (1999-12-01), None
Akteries Bernhard
Finkam Michael
Barts Samuel
Crowell & Moring LLP
Gruenenthal GmbH
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