| abstract |
A compound of ** formula ** in which a is N or C; b is CH when a is N or O when a is C; indicates a single or double bond depending on whether the azol ring is an imidazole or an oxazole ring; Z is N or CH; W is -NR6-Y-, -O- or -S-, where R6 is H, alkyl of 1 to 4 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, cycloalkyl (of 3 to 8 carbon atoms) - alkyl (1 to 3 carbon atoms), aryl of 6 to 18 carbon atoms, heteroaryl of 3 to 18 carbon atoms, aralkyl of 7 to 19 carbon atoms or heteroaralkyl of 4 to 19 carbon atoms, and -Y - is alkylene of 1 to 4 carbon atoms or a direct bond. |