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Title:
NEW SESQUITERPENE AND ITS PRODUCTION AND USE
Document Type and Number:
Japanese Patent JP2935668
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain the subject new compound capable of inhibiting the adhesion and metamorphosis of fouling organisms such as Armina and thereby useful as an adhesion and metamorphosis-inhibiting substance capable of being utilized as an antifouling agent, etc.
SOLUTION: A compound of formula I (R1 is isocyano, formamido: R2 is H, an acyl), e.g. compound of formula II extracted and purified from a mollusk, manatee. A compound of formula II wherein R1 is isocyano and R2 is H in obtained by extracting the mollusk, manatee, with an extraction solvent such as a water-fee solvent such as ethanol, distributing the extract with water and a non-polar solvent such as dichloromethane, concentrating the obtained organic phase and subsequently effectively purifying the concentrated product with one of various kinds of chromatography such as silica gel chromatography.


Inventors:
OKINO TATSUFUMI
YOSHIMURA ERINA
FUSEYA NOBUHIRO
HIROTA HIROSHI
Application Number:
JP25156096A
Publication Date:
August 16, 1999
Filing Date:
September 24, 1996
Export Citation:
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Assignee:
KAGAKU GIJUTSU SHINKO JIGYODAN
International Classes:
C07C217/52; A01N35/10; C07C219/24; C07C291/10; C07C331/26; C09K3/00; (IPC1-7): C07C291/10; A01N35/10; C07C217/52; C07C219/24; C07C331/26; C09K3/00
Other References:
J.Nat.Prod.,(1991)54(1)p.71−78
Attorney, Agent or Firm:
Yusuke Hiraki