Patent ID: 7517998
Filing Date: 2009-04-14
Classification: A61K,A61P,C07D

Abstract:
1. A compound of formula (I): wherein Ar is a tetrazole ring and wherein the groups X and R X is S; R R R R R R R iii) (C wherein Het is a 4,5- or 6-membered heterocycle or a 9- or 10-membered heterobicycle, each of which may be saturated, unsaturated or aromatic and each of which containing from one to four heteroatoms each independently selected from N, O and S, wherein each said N heteroatom may, independently and where possible, exist in an oxidized state such that it is further bonded to an O atom to form an N-oxide group and wherein each said S heteroatom may, independently and where possible, exist in an oxidized state such that it is further bonded to one or two oxygen atoms to form the groups SO or SO 2 ; or a tautomer, salt or ester thereof.