The method 1 wherein {TAIL ~ R7} is a protecting group and conducting one or more reactions on the linker attached to {HEAD ~ the azlactone} functionalized support comprises removing the protecting group 
The method 1 wherein { TAIL ~ R7 } is a protecting group and conducting one or more reactions on the linker attached to { HEAD ~ the azlactone } functionalized support comprises removing the protecting group
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH