Substituted tetrahydrotetrazolo[5,1-a]phthalazines
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United States of America Patent
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Nov 27, 1984
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N/A
app pub date -
Jul 12, 1982
filing date -
Jul 12, 1982
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Expired
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Abstract
Substituted tetrahydrotetrazolo[5,1-a]phthalazine compounds such as 6-methylamino-7,8,9,10-tetrahydrotetrazolo[5,1-a]phthalazine are prepared by reacting a 6-halo-7,8,9,10-tetrahydrotetrazolo[5,1-a]phthalazine with an appropriate amine. The compounds are useful as bronchodilators.
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