2-Aminotetralin derivatives and process for producing the same

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United States of America Patent

PATENT NO 4239903
SERIAL NO

05906510

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Compounds, which have antispasmodic effects, represented by the following formula (I) ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom, an alkoxy group or, when taken together, R.sup.1 and R.sup.2 represent an alkylenedioxy group; R.sup.3 represents a hydrogen atom, an alkyl group or a cycloalkyl group; R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, each represents a hydrogen atom, an alkoxy group, an alkyl group, a halogen atom, a hydroxyl group or, when two of R.sup.4, R.sup.5 and R.sup.6 are taken together, they represent an alkylenedioxy group; and A represents a straight or branched chain alkylene group having 2 to 10 carbon atoms or an alkylene group having 2 to 10 carbon atoms and interrupted with an oxygen atom forming an ether bond therein, and the therapeutically useful acid-addition salts thereof; and a process for producing the same.

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Patent Owner(s)

  • DAIICHI SEIYAKU CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashizume, Takeshi Tokyo, JP 65 1060
Ichikawa, Yoshifumi Tokyo, JP 7 37
Irie, Kiyoshi Tokyo, JP 16 140
Isoda, Sumiro Tokyo, JP 3 4
Kanao, Munefumi Tokyo, JP 3 13
Kasai, Yoshio Tokyo, JP 19 259

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