US 6,476,234 B2Granted

Methods of synthesizing heteroatom-bearing ligands and intermediate used therefor

AssigneeBracco International B.V.

InventorKondareddiar Ramalingam

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Abstract

The invention provides improved and simplified methods of synthesizing ligands containing a heteroatom-bearing bridge using a novel intermediate compound. The ligands may be used to form metal complexes that are useful in diagnostic and therapeutic applications.

Claims6

Dependent claims

A compound having the structure of Formula II:

Dependencies are inferred from the claim text.

Facts

Application: 10/086,290Filed 1 Mar 2002 · division
Priority: 27 Mar 2001
Published: US 2002/0143190 A13 Oct 2002
Granted: 5 Nov 2002
Term ends: Not estimatedThe source records don’t support an estimate.

Classification3 codes

C07D 403/14
Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group…
C07D 233/91
With hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals,…:…
C07D
Heterocyclic compounds

Family

Application09/818,301Parent of this division · filed 27 Mar 2001
US 2002/0143190 A1Pre-grant publication · published 3 Oct 2002
US 6,384,232 B1Parent of this division
US 6,476,234 B2This patent

From the US filing history. Foreign family members aren’t listed.

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