Preparation and use of carbohydrate-based ring structures with antimicrobial and cytostatic activity

摘要

The invention provides a compound of the formula :
wherein
R 1 is -H, -SPh, -Ph, -allyl or -benzyl;
R 2 is -H, -Et, -allyl, -Me or benzyl;
R 3 is -H, -Et, -Me, -allyl or -benzyl; and
R 4 and R 5 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.