| abstract |
Compounds, methods of use, and processes for making inhibitors of complement Factor D comprising Formula (I), or a pharmaceutically acceptable salt or composition thereof wherein R¹² or R¹³ on the A group is a phosphonate substituent (R³²) are provided. The inhibitors described herein target Factor D and inhibit or regulate the complement cascade. The inhibitors of Factor D described herein reduces the excessive activation of complement. |