| 主权项 |
1. A compound of formula (I):
Y—O—W (I) wherein: W is H or —C(═O)—X; X is Xaa, Xbb, Xcc, Xdd or Xee: Y is Z; Z is: wherein R15 is C1-C6 alkyl or L; R11 is H or CH3; is a single bond (C—C) or a double bond (C═C); L is L1, L2, or L3: R16, R17, R18, R19, R20, R21, R22, R23, R26, R27, R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, R44, R45 and R46 are each independently selected from H and C1-C6 alkyl; R24, R25, R28, R29 and R47 are each independently selected from H, halogen, hydroxyl, and (C1-C6)alkoxy; with the proviso that when X is Xaa or Xbb, and when R15 is L1, then R11 cannot be CH3, with the provision that when Y is selected from C2-C6 alkenyl, C3-C10 cycloalkyl, C3-C10 cycloalkenyl, (C1-C6)alkoxy(C1-C6)alkyl, (C1-C6)alkoxy(C6-C10)aryl, then W is —C(═O)—X; with the exclusion of the compounds wherein: Y is Z; W is H; is C═C; R11 is CH3; R15 is L1 with R16, R20, R22 and R30 are CH3; R24 and R28 are OH; and the other radicals Ri are H; Y is Z; W is H; is C═C; R11 is CH3; R15 is isopropyl; and the other radicals Ri are H; and the stereoisomeric forms, or mixtures of stereoisomeric forms thereof. |
