PROCESS FOR INDUSTRIALLY PRODUCING OPTICALLY ACTIVE 1,4-BENZODIOXANE DERIVATIVE

Details for Australian Patent Application No. 2003252221 (hide)

Owner KANEKA CORPORATION

Inventors MITSUDA, Masaru; TANAKA, Tatsuyoshi

Pub. Number AU-A-2003252221

PCT Number PCT/JP03/09125

PCT Pub. Number WO2004/011451

Priority 2002-220152 29.07.02 JP

Filing date 17 July 2003

Wipo publication date 16 February 2004

International Classifications

C07D 319/20 Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms

C07C 041/03 Preparation of ethers

C07C 041/16 Preparation of ethers

C07C 043/23 Ethers

C07C 303/28 Preparation of esters or amides of sulfuric acids

C07C 309/66 Sulfonic acids

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 2002-220152 29.07.02 JP

25 March 2004 Application Open to Public Inspection

  Published as AU-A-2003252221

21 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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