US2008221338A1PendingUtilityA1
Processes for preparing darifenacin hydrobromide
Assignee: TEVA PHARMACEUTICALS U S A INCPriority: Dec 27, 2005Filed: May 6, 2008Published: Sep 11, 2008
Est. expiryDec 27, 2025(expired)· nominal 20-yr term from priority
C07D 207/48C07D 207/09A61P 13/00C07D 405/06C07D 307/79
66
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Claims
Abstract
The invention encompasses processes for the preparation of darifenacin hydrobromide.
Claims
exact text as granted — not AI-modified1 . 2-(2,3-dihydrobenzofuran-5-yl)acetaldehyde-bisulfite complex of formula X
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