Patent ID: 9340530
Filing Date: 2016-05-17
CPC Classification: A61K,A61P,C07D

Claim Text:
1. A compound of the formula: or a pharmaceutically acceptable salt thereof, wherein: X is —O—, —N(R), —C(R Y is —O—, —N(R), —C(R R is H, alkyl or —S(O) R R R R R R R R R R R R R R Het is a 5- or 6-membered heterocycloalkyl, heterocyclenyl or a heteroaryl ring containing 3 to 5 carbon atoms and 1 or 2 heteroatoms selected from the group consisting of N, O or S, with the proviso that there are no adjacent oxygen or sulfur atoms present in said groups, and when Het is a N-containing heteraromatic group with one heteroatom present, then the ring nitrogen can form an N-oxide or a quaternary group with an alkyl group; wherein: 1) Het is attached to the double bond by a carbon atom ring member of Het; and 2) Het is substituted by 1 to 4 moieties, W, R R R R R R R R R R