There are disclosed compounds of the following formula I or a stereoisomer or pharmaceutically-acceptable salt thereof, wherein all substituents are as defined herein, which are useful in the modulation of IL-12, IL-23 and/or IFN?, by acting on Tyk-2 to cause signal transduction inhibition. The compounds of the invention may be useful for treating inflammatory and autoimmune diseases or disorders.
以下是公开的化合物的
化学式I或其立体异构体或药用可接受的盐,其中所有取代基如本文所定义,这些化合物在通过作用于Tyk-2引起
信号转导抑制的调节IL-12、I
L-23和/或IFNγ方面是有用的。本发明的化合物可能对治疗炎症性和自身免疫性疾病或紊乱有用。