Process for preparing substituted imidazole derivatives and intermediates used in the process
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United States of America Patent
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May 29, 2007
Grant Date -
Feb 2, 2006
app pub date -
Jan 8, 2004
filing date -
Jan 8, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for preparing substituted imidazole derivatives of formula (I) and acid addition salts thereof ##STR00001## in which formula Y is --CH.sub.2-- or --CO--, R.sub.1 is H, halo or hydroxy, R.sub.2 is H or halo and R.sub.3 is H or lower alkyl, starting from a compound of formula (II) ##STR00002## wherein Y, R.sub.1, R.sub.2 and R.sub.3 are as defined above. The invention also relates to intermediates and their preparation.
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