Tetrahydroisoquinoline derivative and medical preparation containing the same
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United States of America Patent
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Aug 4, 1998
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N/A
app pub date -
Jul 21, 1997
filing date -
Nov 1, 1994
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Expired
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Abstract
The present invention relates to a tetrahydroisoquinoline derivative represented by the following formula 1 exhibiting an inhibitory action for agglutination caused by fibrinogen, which may be effectively used as an antithrombotic agent or a platelet agglutination-inhibiting agent. The present invention also relates to a medical preparation containing such compound. ##STR1## In formula 1, B and G are an alkylene optionally substituted with an alkyl or the like; D is H, an alkyl, or the like; E is 1,2,3,4-tetrahydroisoquinoline optionally substituted with R.sub.1 to R.sub.4 which binds to G at position 2; R.sub.1 to R.sub.4 are an alkyl or the like; L is hydroxy or the like; and A is a substituent represented by formula (2), and C is carbon. ##STR2## In formula 2, M and R.sub.5 to R.sub.8 are H, an alkyl or the like.
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