Process for preparing an anticholinergic
First Claim
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1. ) A process for preparing tiotropium bromide of formula (I):
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Abstract
The invention relates to a new process for preparing (1α,2β,4β,5α,7α)-7-[(hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane-bromide.
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15 Claims
- 1. ) A process for preparing tiotropium bromide of formula (I):
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