The invention provides a compound of the formula :
wherein
R1 is -H, -SPh, -Ph, -allyl or -benzyl;
R2 is -H, -Et, -allyl, -Me or benzyl;
R3 is -H, -Et, -Me, -allyl or -benzyl; and
R4 and R5 together form a ring and are -OCH(Ph)O- ;
or a pharmaceutically active derivative thereof., pharmaceutical compositions comprising it and its use in therapy for example in treating a pathogenic bacterial, fungal, viral or protazoal infection or a tumour in a mammalian subject.
本发明提供了一种式......的化合物:
其中
R1 是-H、-
SPh、-Ph、-烯丙基或-苄基;
R2 是-H、-Et、-烯丙基、-Me 或苄基;
R3 是-H、-Et、-Me、-烯丙基或-苄基;以及
R4 和 R5 共同形成一个环,并且是-OCH(Ph)O- ;
或其具有药学活性的衍
生物、由其组成的药物组合物及其在治疗中的用途,例如用于治疗哺乳动物体内的致病性细菌、真菌、病毒或原虫感染或肿瘤。