| abstract |
Compounds of formula (I) or pharmaceutically acceptable salts thereof;n wherein R₁ is a group -X-Y where X is a carbonyl group and Y is hydrogen, C₁₋₈ alkyl, C₂₋₈ alkenyl, or optionally substituted aryl or heteroaryl; R₂ is hydroxy or C₁₋₈ alkoxy; R₃ is hydrogen or an amine protection group; and each R₄ is hydrogen; their preparation, compositions containing them and their use as antifungal agents are described. |