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Bridged anthraquinones

  • US 5,912,386 A
  • Filed: 02/06/1998
  • Issued: 06/15/1999
  • Est. Priority Date: 02/13/1997
  • Status: Expired due to Fees
First Claim
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1. A compound of the formula (I)


  • space="preserve" listing-type="equation">R.sup.1 --NH--B--NH--R.sup.2 (I),
whereinR1 and R2 independently of one another denote a radical of the formula ##STR44## wherein each said radical is independently unsubstituted or substituted with OH, amino or substituted amino, aryloxy, halogen, alkyl, or alkoxy, andB represents an unsubstituted or substituted cycloalkylene-containing bridge member.

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