Phosphonated polypyridyl compounds and their complexes
First Claim
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1. A compound, in metal-free form, of formula 1 to 3 ##STR5## In which R is hydrogen or C1-30 alkyl;
- X is hydrogen, halogen (preferably Cl or Br) or C1-30 alkyl.
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Abstract
A compound in metal-free or metal complex form of formula (1) to (3) in which R is hydrogen or C1-30 alkyl; X is hydrogen, halogen (preferably Cl or Br) or C1-30 alkyl. ##STR1##
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1 Claim
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1. A compound, in metal-free form, of formula 1 to 3 ##STR5## In which R is hydrogen or C1-30 alkyl;
X is hydrogen, halogen (preferably Cl or Br) or C1-30 alkyl.
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