Processes for the production of chinazoline alkaloids
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United States of America Patent
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Feb 24, 2009
Grant Date -
Apr 20, 2006
app pub date -
Jan 22, 2004
filing date -
Feb 3, 2003
priority date (Note) -
Expired
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Abstract
Processes for the production of a compound of the following formula (I)by converting a compound of formula (II) with 2-pyrrolidone used in excess relative to compound (II) and processes for the production of a compound of formula (III).The latter process includes preparing compound (I); a reduction reaction which yields compound (III) in salt form; and liberating compound (III) from the salt.
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