【発明の名称】抗腫瘍性物質およびその使用方法 - Harbor Branch Oceanography Institution Usage Incorporated

Title:

【発明の名称】抗腫瘍性物質およびその使用方法

Document Type and Number:

Japanese Patent JPH01500519

Kind Code:

A

Abstract:

Antiviral organic triterpene compositions and derivatives thereof; a process of producing the antiviral compositions; and a method for inhibiting viruses utilizing the compositions. More particularly, the compositions of formula (I), wherein R<1> is a hydrogen, halogen, hydroxyl, acyloxy, or alkyl; R<2> and R<5> are a hydrogen, alkyl, or acyl; at least one R<3> or R<4> is hydrogen and the remaining R<3> or R<4> is hydrogen, hydroxyl, alkyl, halogen, alkoxy or an acyloxy, or R<3> and R<4> are in combination an oxygen (ketone), are derived from marine red alga, Laurencia venusta.

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Inventors:

Higa, Tatsuo
Salmon, sinichi
Cross, sues

Application Number:

JP50428087A

Publication Date:

February 23, 1989

Filing Date:

June 25, 1987

Export Citation:

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Assignee:

Harbor Branch Oceanography Institution Usage Incorporated

International Classes:

A61K31/35; A61P31/12; C07D493/00; C07D493/04; (IPC1-7): A61K31/35; C07D493/04

Attorney, Agent or Firm:

Takehiko Suzue (2 outside)

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