申请人:Berneth Horst
公开号:US20070179285A1
公开(公告)日:2007-08-02
The invention relates to a process for preparing alkoxy-substituted, metal-containing phthalocyanines of the formula (I)
where R is substituted or unsubstituted alkyl or cycloalkyl, M is a divalent metal atom, metaloxy or a trivalent or tetravalent substituted metal atom,
characterized in that the phthalonitrile of the formula (II)
is reacted in the presence of a metal salt and a base in a water-miscible solvent.