Process for Synthesizing 7-Alkynyl-4- Aminoquinazolines and a Related Intermediate
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United States of America Patent
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Issued Date -
Feb 25, 2010
app pub date -
Mar 2, 2007
filing date -
Mar 3, 2006
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Abstract
A process for synthesizing 7-alkynyl-4-aminoquinazolines from 7-haloquinazolines is disclosed. In one specific synthesis, 4-[N-3-chloro-4-fluorophenyl)]-7-[3-methyl-3-(4-methyl-1-piperazinyl)-1-butynyl]-6-[N-methyl acrylamide]quinazoline is prepared from 7-chloro-6-nitro-3H-quinazolin-4-one. Also disclosed is an intermediate useful in the syntheses of 7-alkynyl-4-ammoquinaozolines and a process for making the intermediate. The 7-alkynyl-4-aminoquinaozolines prepared by processes of the invention are useful as pharmaceutically active compounds.
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