This product is reacted with 2 2 phenyl acetonitrile to form {HEAD ~ a corresponding tert butoxycarbonyl compound}, which is then reduced with {TAIL ~ palladium/carbon} and debenzylated to form 3 ethylpyrrolidine 
This product is reacted with 2 2 phenyl acetonitrile to form { HEAD ~ a corresponding tert butoxycarbonyl compound } , which is then reduced with { TAIL ~ palladium / carbon } and debenzylated to form 3 ethylpyrrolidine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH