The invention relates to 17ß lupane derivatives of formula (I): wherein R1 and X are as defined herein, and pharmaceutically acceptable salts and solvates thereof. These compounds exhibit significant anti-HIV activity. Thus, the invention also relates to methods for prevention or treatment of HIV infection by administering therapeutically effective amounts of a compound of formula (I), or a pharmaceutically acceptable salt or solvate thereof to a subject in need of such treatment.
                            该发明涉及公式(I)的17ß鲁潘衍
生物,其中R1和X如本文所定义,以及其药学上可接受的盐和溶剂化合物。这些化合物表现出显著的抗HIV活性。因此,该发明还涉及通过向需要此类治疗的受试者施用公式(I)的化合物或其药学上可接受的盐或溶剂化合物的治疗有效量来预防或治疗HIV感染的方法。