A method of inhibiting bone loss comprising administering to an animal an effective amount of a compound having the formula
wherein:
R¹ and R² are, independently, -H, -OH, halo, -OC₁-C₁₇ alkyl, -OC₃-C₆ cycloalkyl, -O(CO)C₁-C₁₇ alkyl, -O(CO) aryl, -O(CO)O aryl, or -OSO₂-(n-butyl or n-pentyl);
R³ is
and
R⁴ is -H, methyl, ethyl, propyl, ethenyl or ethynyl; or a pharmaceutically acceptable salt or solvate thereof.
一种抑制骨质流失的方法,包括向动物施用有效量的式化合物
其中
R¹和R²独立地为-H、-OH、卤素、-OC₁-C₁₇烷基、-OC₃-C₆环烷基、-O(CO)C₁-C₁₇烷基、-O(CO)芳基、-O(CO)O芳基或-OSO₂-(正丁基或正戊基);
R³ 是
和
R⁴是-H、甲基、乙基、丙基、
乙烯基或
乙炔基;或其药学上可接受的盐或溶液。