Pharmaceutical preparations containing alkyl and alkenyl glycerol ethers substituted in the side chain and esters thereof having the general formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different in each is selected from the group consisting of hydrogen and aliphatic acyl groups of at most 24 carbon atoms, one of R.sup.3 and R.sup.4 being hydrogen and the other being selected from the group consisting of straight, branched, saturated and unsaturated alkoxy groups of at most seven carbon atoms, and R.sup.5 is selected from the group consisting of straight, branched, alkyl and alkenyl groups of 4-21 carbon atoms. The compounds are useful as antibiotics in the treatment of infectious diseases and for inhibiting the growth of tumors.
含有烷基和烯基
甘油醚及其侧链上取代酯的制剂,其通式为##STR1##其中每个R.sup.1和R.sup.2在所选的羟基和最多含有24个碳原子的脂肪酰基组成的群中相同或不同,R.sup.3和R.sup.4中的一个为氢,另一个为最多含有七个碳原子的直链、支链、饱和和不饱和烷氧基组成的群中的一个,R.sup.5是由4-21个碳原子组成的直链、支链、烷基和烯基组成的群中的一个。这些化合物在治疗传染病和抑制肿瘤生长方面是有用的抗生素。