Teikoku Hormone Mfg. Co., Ltd.

Tadaharu Watanabe

Takashi Mikami

Nobuyoshi Minami

Yasushi Suzuki

Katsuhiko Miyasaka

Kunio Tsukamoto

Yukio Hasegawa

Satoshi Funakoshi

Compounds of the general formula ##STR1## or their salts, esters or amide derivatives; and processes for their preparation. In the formula, R.sub.O represents hydrogen or lower alkyl, R.sub.2 represents hydrogen, halogen or nitro, R.sub.3 represents hydrogen or halogen, and R.sub.4 represents hydrogen or lower alkyl; and when R.sub.O is hydrogen, R.sub.2, R.sub.3 and R.sub.4 are all hydrogens and the group ##STR2## is present at the 2-position. These compounds exhibit superior analgesic and/or anti-inflammatory actions with little gastrointestinal troubles.

11-Oxodibenz(b,e)azepines

Growing community of inventors

Kawasaki, Japan

Tadaharu Watanabe