申请人:——
公开号:US20040067202A1
公开(公告)日:2004-04-08
There are provided according to the invention compounds of the formula (I) or a salt or solvate thereof, wherein: n represents an integer 1 to 6; N represents an integer 1 to 15; R
1
represents (CO)
x
C
1-9
alkyl or (CO)
x
C
1-9
fluoroalkyl, which fluoroalkyl moiety contains at least 1 fluorine atom and not more than 3 consecutive perfluorocarbon atoms wherein x represents 0 or 1; and R
2
and R
3
independently represent C
1-3
alkyl or hydrogen. There are also provided pharmaceutical aerosol formulations employing said compounds as suspension stabilising agents.
本发明提供了化合物(I)或其盐或溶剂,其中:n表示1至6的整数;N表示1至15的整数;R1表示(CO)xC1-9烷基或(CO)xC1-9氟烷基,其中氟烷基含有至少1个氟原子,但不超过3个连续的全氟碳原子,其中x表示0或1;R2和R3独立地表示C1-3烷基或氢。本发明还提供了以所述化合物作为悬浮稳定剂的制药气雾剂配方。