| abstract |
The present invention relates to a compound of formula (I) or a (pharmaceutically acceptable) salt thereof wherein (a) X represents CH=CH or CZ1=CZ2, wherein if Z1 is H then Z2 represents a group selected from the group consisting of OH, NH2 , NHMe, NMe2 , OMe and OEt, and if Z2 is H then Z1 represents a group selected from the group consisting of OH, NH2 , NHMe, NMe2 , OMe and OEt, Y represents a group selected from the group consisting of NH2 , NHMe, NMe2 , NHEt, O-( CH2 ) n -OH , wherein n is 2 to 5 and R represents a group selected from the group consisting of H, OH, Me, Et, OMe, OEt, NH2 , NHMe, NMe2 , NHEt and NEt2, or (b) X represents O, Y represents a group selected from the group consisting of NH2 , NHMe, NMe2 , NHEt, O-( CH2 ) n -OH and OMe, wherein n is 2 to 5 and R represents H, OH, Me, Et, OMe, OEt, NH2 , NHMe, NMe2 , NHEt , NEt2. Coatings as antimicrobial preparations and compositions containing the same. |