Process for preparation of esculetin compounds, esculetin compounds and intermediates thereof, and use of both

Details for Australian Patent Application No. 2002217552 (hide)

Owner KUREHA CHEMICAL INDUSTRY CO., LTD.

Inventors Sagawa, Kazuhiko; Katohno, Masataka; Niimura, Koichi

Agent Davies Collison Cave

Pub. Number AU-A-2002217552

PCT Pub. Number WO2002/053552

Priority 2000-402725 28.12.00 JP

Filing date 28 December 2001

Wipo publication date 16 July 2002

International Classifications

C07D 311/16 Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

A01N 037/02 Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids - Saturated carboxylic acids or thio-analogues thereof

A01N 043/30 Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds

C07C 045/45 Preparation of compounds having CO groups bound only to carbon or hydrogen atoms

C07C 047/575 Compounds having CHO groups

C07C 043/23 Ethers

A01N 043/16 Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds

A01N 035/04 Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical

Event Publications

23 January 2003 Application Open to Public Inspection

  Published as AU-A-2002217552

20 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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