GLYCOLIPIDS AND PHARMACEUTICAL COMPOSITIONS THEREOF FOR USE IN THERAPY

THERAPY AND PHARMACEUTICAL COMPOSITION A compound of Formula I: R1-L1-C(A)(A') - CH 2 - L2-R2 (I) or a pharmaceutically acceptable salt thereof, for use in medicine, for example in the treatment of a disease or condition selected from the group comprising cancer, autistic spectrum disorders, Alzheimer's disease, Parkinson's disease, Huntingdon's disease, muscle wasting and viral infection, wherein: R1 is selected from a carbohydrate group or derivative thereof, hydrogen, a C1-C24 alkyl or a Ci-C24 derivative of an alkyl group, a C2-C24 alkenyl or a C2-C24 derivative of an alkenyl group, and a C2-C24 alkynyl group or a C2-C24 derivative of an alkynyl group; L1 is a linking group; L2 is a linking group; R2 is selected from hydrogen, a C1-C24 alkyl or a C1-C24 derivative of an alkyl group, a C2 C24 alkenyl or a C2-C24 derivative of an alkenyl group, and a C2-C24 alkynyl group or a C2-C24 derivative of an alkynyl group; A is selected from hydrogen and a C1-C6 alkyl group; A' is selected from hydrogen, a C1-C6 alkyl group, and L3-R3; wherein L3 is a linking group; and R3 is selected from hydrogen, a C1-C24 alkyl or a C1-C24 derivative of an alkyl group, a C2 C24 alkenyl or a C2-C24 derivative of an alkenyl group, and a C2-C24 alkynyl group or a C2-C24 derivative of an alkynyl group; and wherein if A' is not L3-R3, then R2 is a C1O-C24 alkyl or a C1O-C24 derivative of an alkyl group, a C10-C24 alkenyl or a C10-C24 derivative of an alkenyl group, or a C10-C24 alkynyl group or a C10-C24 derivative of an alkynyl group; and wherein if A' is L3-R3, then one or both of R2 and R3 are a C10-C24 alkyl or a C10-C24 derivative of an alkyl group, a C10-C24 alkenyl or a C10-C24 derivative of an alkenyl group, or a C10 C24 alkynyl group or a C1O-C24 derivative of an alkynyl group.