Method for preparing tiotropium salts

Details Method for preparing tiotropium salts Method for preparing tiotropium salts

2011-08-30

2011-08-30

Desai, Rita (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S255000, C548S300100, C548S110000, C546S089000, C549S004000

Reexamination Certificate

active

08008495

ABSTRACT:
The invention relates to a new process for preparing tiotropium salts of general formula 1wherein X−may have the meanings given in the claims and in the specification.

REFERENCES:
patent: 6747154 (2004-06-01), Brandenburg et al.
patent: 03057694 (2003-07-01), None
Carballido, Montserrat, et al.; Synthesis of Amino Carba Sugars and Conformationally Restricted Polyhydroxy y-Amino Acids from (−) Quinic Acid; Eur. J. Org. Chem., 2004, 3663-3668—XP-002374123.

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