Eisai Company, Limited

Hiroshi Yamamoto

Isao Yamatsu

Takeshi Suzuki

Akiharu Kajiwara

Seiichi Araki

Masaichi Yamamoto

Yoshikazu Suzuki

Haruyoshi Arai

A &bgr;,&ggr;-dihydropolyprenyl alcohol derivative having the formula:

&bgr;,&ggr;-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound

A .beta.,.gamma.-dihydropolyprenyl alcohol derivative having the formula: ##STR1## wherein n is an integer of 5 to 7 and R is hydrogen, a lower alkyl group or an aliphatic or aromatic acyl group, is new and useful as a prophylactic therapeutic agent for human and animal immuno-deficiency deseases and phylactic agent against human and animal infectious deseases. Another disclosed polyprenyl compound is also useful as the same agent.

Beta, gamma-dihydropolyprenyl alcohol derivatives and pharmaceutical

Various .beta.,.gamma.-dihydropolyprenyl alcohol derivatives having the formula: ##STR1## wherein n is an integer of 5 to 7 and R is hydrogen, a lower alkyl group or an aliphatic or aromatic acyl group are effective at pritigating stress in animals.

.beta., .gamma.-dihydropolyprenyl alcohol derivatives effective at

A .beta.,.gamma.-dihydropolyprenyl alcohol derivative having the formula: ##STR1## wherein n is an integer of 5 to 7 and R is hydrogen, a lower alkyl group or an aliphatic or aromatic acyl group, is new and usrful as a prophylactic therapeutic agent for human and animal immuno-deficiency deseases and phylactic agent against human and animal infectious deseases. Another disclosed polyprenyl compound is also useful as the same agent.

.beta.,.gamma.-dihydropolyprenyl alcohol derivatives and pharmaceutical

A .beta.,.gamma.-dihydropolyprenyl alcohol derivative having the formula: ##STR1## wherein n is an integer of 5 to 7 and R is hydrogen, a lower alkyl group or an aliphatic or aromatic acyl group, is new and useful as a phylactic agent against human and animal infectious diseases. Other disclosed polyprenyl compounds are also useful as such agents.

Growing community of inventors

Kawashimamachi, Japan

Hiroshi Yamamoto