The invention provides compounds of formula (I) or pharmaceutically acceptable salts thereof, wherein R
a
, R
b
, R
c
, R
d
, R
e
, R
f
and Y are as defined in the specification. The compounds are partial or full agonists at the growth hormone secretagogue (GHS) receptors. Pharmaceutical compositions comprising the compounds methods of preparing the compounds, uses of the compounds and methods involving the compounds are also provided.
本发明提供了公式(I)的化合物或其药学上可接受的盐,其中Ra,Rb,Rc,Rd,Re,Rf和Y如规范中所定义。这些化合物是
生长激素促分泌剂(GHS)受体的部分或全激动剂。还提供了包含这些化合物的药物组合物、制备这些化合物的方法、使用这些化合物的方法以及涉及这些化合物的方法。