4.
    发明专利
    未知

    公开(公告)号:DE59401406D1

    公开(公告)日:1997-02-06

    申请号:DE59401406

    申请日:1994-03-18

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP94/00863 Sec. 371 Date Sep. 28, 1995 Sec. 102(e) Date Sep. 28, 1995 PCT Filed Mar. 18, 1994 PCT Pub. No. WO94/22960 PCT Pub. Date Oct. 13, 1994A process is described for preparing alkoxy-octasubstituted metal-free or metal-containing naphthalocyanines by etherification of 1,4-dihydroxy-2,3-dicyanonaphthalene and formation of the metal-free naphthalocyanine with or without subsequent metallization.

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