Teikoku Hormone Mfg. Co., Ltd.

Mamoru Mieda

Naoyuki Koizumi

Shigehiro Takegawa

Kenyu Shibata

Shigeki Iwashita

Tomoko Kawachi

Hiroo Takahashi

Teruaki Matsui

Seijiro Honma

Nobuaki Yamakoshi

Eiichiro Shimazawa

Tomohito Fujii

Tomoyuki Saito

Fumiko Inoue

Kaoru Ueda

Koichi Minato

Mitsuteru Numazawa

3-substituted-D-homo-1,3,5(10)-estratriene derivatives

7-substituted oxa- or azasteroid compound

Oxa- or azasteroid derivatives

Benzothiophene derivative

A compound represented by the following formula ##STR1## wherein A represents a hydrogen atom or a lower alkanoyl group, Z represents an oxygen atom or the group ##STR2## in which R represents a hydrogen atom or a lower alkyl group, and X represents a halogen atom, the compound being useful for controlling androgen-dependent diseases, particularly for preventing abortion or for contraception.

Compositions and methods employing 2-oxa- or -aza-pregnan compounds for

A compound represented by the following formula ##STR1## wherein A represents a hydrogen atom or a lower alkanoyl group, Z represents an oxygen atom or the group ##STR2## in which R represents a hydrogen atom or a lower alkyl group, and X represents a halogen atom, the compound being useful for controlling androgen-dependent diseases, particularly for preventing prostatic hypertrophy.

2-oxa- or -aza-pregnane compounds

Growing community of inventors

Ebina, Japan

Mamoru Mieda