Compounds of formula (I):
1
R is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl or heterocyclyl; and
R
1
is bicyclyl or heterobicyclyl, are useful in the treatment and prophylaxis of conditions mediated by s-CD23.
式(I)的化合物:1R是
氢,烷基,
烯基,炔基,芳基,杂芳基或杂
环烷基;和R1是双
环烷基或杂双
环烷基,对由s-CD23介导的疾病的治疗和预防具有用处。