The compounds are synthesized by reacting {HEAD ~ a compound} of the formula with an isocyanate of the formula under {TAIL ~ basic conditions} in a non reactive, polar organic solvent 
The compounds are synthesized by reacting { HEAD ~ a compound } of the formula with an isocyanate of the formula under { TAIL ~ basic conditions } in a non reactive , polar organic solvent
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH