Patent ID: 7482444
Filing Date: 2009-01-27
Classification: C07H

Abstract:
1. A molecule of formula (I) Z-R-L-X (I) wherein, Z is a triphosphate anion or its organic or inorganic salt; R is a recognizing moiety, which is a nucleoside comprising a base bound to a 2,3-dideoxyribose or its acyclic derivative; and Z-R has the formula (II) wherein the ribose ring optionally is replaced by an acyclic derivative in which one or both of the 2- and 3-carbon atoms from the ribose ring optionally are missing; -L- is a linker; and X is a non-luminescent lanthanide(III) chelate comprising a lanthanide(III) ion, wherein the lanthanide(III) ion is selected from the group consisting of europium, terbium,dysprosium and samarium.