Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-05-22
2007-05-22
Habte, Kahsay (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C544S105000
Reexamination Certificate
active
11128032
ABSTRACT:
The present invention relates to enantiomerically pure compounds of general formula 1wherein the groups R1, R2, R3, R4and X−may have the meanings given in the claims and in the specification, processes for preparing them and the use thereof as pharmaceutical compositions, particularly as pharmaceutical compositions for the treatment of respiratory complaints.
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Glossary: Organic Chemistry by Paula Yurkanis Bruice, 1995 (one page).
Hamada, Takayuki, et al Practical Synthesis of Optically Active Styrene Optically Active Oxides via Reductive Transformation of 2-Chloroacetophenones with Chiral Rhodium Catalysts, Organic Letters 2002, vol. 4, No. 24, 4373-4376.
Konetzki Ingo
Lustenberger Philipp
Sieger Peter
Boehringer Ingelheim International GmbH
Devlin Mary-Ellen M.
Habte Kahsay
Morris Michael P.
Witkowski Timothy X.
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