Cephalosporin intermediates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 7, 2004
Grant Date -
Aug 14, 2003
app pub date -
Feb 12, 2003
filing date -
Apr 28, 2000
priority date (Note) -
Expired
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Abstract
A process which comprises (i) acylating a compound of formula II ##STR1## with a compound of formula IV ##STR2## to obtain a compound of formula I ##STR3## and (ii) deformylating said compound of formula I to obtain a compound of formula III ##STR4##
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