In a related process according to the invention for the preparation of {TAIL ~ a substituted amide}, {HEAD ~ a compound} containing an aliphatic carboxylic acid group and at least one substituent selected from alcohol and thiol groups is reacted with carbonyl diimidazole to convert the carboxylic acid group to a group of the formula: ##STR3## and the resulting compound is reacted with a compound or polymer containing at least one primary amine group to produce the substituted amide 
In a related process according to the invention for the preparation of { TAIL ~ a substituted amide } , { HEAD ~ a compound } containing an aliphatic carboxylic acid group and at least one substituent selected from alcohol and thiol groups is reacted with carbonyl diimidazole to convert the carboxylic acid group to a group of the formula : # # STR3 # # and the resulting compound is reacted with a compound or polymer containing at least one primary amine group to produce the substituted amide
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH