6-membered nitrogen-containing heteroaryl-oxazolidinones their preparation and pharmaceutical compositions containing them

摘要

Nitrogen-contg. heteroaryl-oxazolidinones of formula (I) and their salts and N-oxides are new. R1 = N3, OH, OR2, OSO2R3 or NR4R5; R2 = 1-8C acyl or OH protecting gp.; R3 = 1-4C alkyl or phenyl opt. substd. by 1-4C alkyl; R4, R5 = H, 3-6C cycloalkyl, phenyl, 1-8C alkyl or NH2 protecting gp.; or R4 or R5 = COR6; R6 = H, 3-6C cycloalkyl, phenyl or 1-8C alkyl; D = (a) 6-membered C-bonded aromatic heterocycle contg. at least 1 N atom; (b) C-bonded bi- or tricyclic aromatic gp. with 6-membered rings of which at least 1 is N-contg, etc.