Diterpenoid compounds imparting stress resistance to plants

Details Diterpenoid compounds imparting stress resistance to plants Diterpenoid compounds imparting stress resistance to plants

2003-03-12

2009-02-10

Price, Elvis O (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C514S729000, C514S706000, C514S724000, C514S743000, C514S744000, C514S756000, C514S747000

Reexamination Certificate

active

07488854

ABSTRACT:
The present invention provites a compound having the following structure:wherein, in the formula:X is selected from the group consisting of hydroxy, substituted hydroxy, halogen, thiol, and substituted thiol;one of Y1and Y2is hydrogen or alkyl, and the other is Z-W, wherein Z is a single bond, or a divalent group having alkane or substituted alkane having two hydrogen atoms removed, and W is hydroxy, substituted hydroxy, aldehyde, carboxyl, or substituted carboxyl; andR1-R24are independently selected from the group of hydrogen, alkyl, and substituted alkyl.

REFERENCES:
patent: 04-342507 (1992-11-01), None
patent: WO98/47362 (1998-10-01), None
Oshima, Y. et al., “Sterebins E, F, G and H, Diterpenoids ofStevia RebaudianaLeaves”,Phytochemistry, 27(2):624-626, 1988.
Li and Kuo, “Labdane-Type Diterpenoids from the Wood ofCunninghamia konishil”, Chem Pharm. Bull., 50(4):498-500, 2002.
International Search Report (ISR) dated Jun. 24, 2003 from PCT/JP03/02965.

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