NOVEL BENZOTHIOPHENE DERIVATIVE

KOIZUMI NAOYUKI, TAKEGAWA Shigehiro, IWASHITA Shigeki, KAWACHI Tomoko, MATSUI Teruaki, MIEDA Mamoru, TAKAHASHI HIROO, SAITO Tomoyuki, SHIBATA Kenyu
1993
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A benzothiophene derivative with specific substituents at the 2-position exhibits excellent antiestrogenic activity, making it useful for treating endometriosis and other conditions.

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Abstract

A benzothiophene derivative represented by general formula (I) or a salt thereof, which has an excellent antiestrogenic activity and is useful for treating breast cancer, endometrial cancer, endometriosis, mastopathy, and so forth. This compound is characterized in that the 2-position, i.e. substituent R2, of the benzothiophene ring is substituted by a halogen atom, a lower alkyl group, or a cycloalkyl or cycloalkenyl group which may be substituted by a lower alkyl, hydroxy, acyloxy or oxo.

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europepmc
last seen: 2026-11-04T06:09:08.831786+00:00