.alpha.,.beta.-Dihydropolyprenyl derivatives useful in treating hepatitis

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United States of America Patent

PATENT NO 4481217
SERIAL NO

06269930

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An .alpha.,.beta.-dihydropolyprenyl derivative having the formula (I): ##STR1## wherein X represents a group of --COOR.sub.1 or --CH.sub.2 OR.sub.2 in which R.sub.1 is the hydrogen atom or a lower alkyl group and R.sub.2 is the hydrogen atom or an aliphatic acyl group having one to four carbon atoms; and n is an integer of one to four. A process for the preparation of the .alpha.,.beta.-dihydropolyprenyl derivative and a therapeutic agent for treatment of liver diseases comprising the same are also disclosed.

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Patent Owner(s)

  • EISAI CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Shinya Tokyo, JP 186 1220
Hara, Kuniko Tokyo, JP 2 3
Igarashi, Toshiji Tokorozawa, JP 12 66
Inai, Yuichi Tokyo, JP 21 64
Shiojiri, Hiroyuki Sayama, JP 6 16
Tanabe, Yoshio Saitama, JP 23 178
Watanabe, Hideaki Aichi, JP 193 3072
Yamatsu, Isao Kawaguchi, JP 76 438

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