In a related process according to the invention for the preparation of a substituted amide, a compound containing an aliphatic carboxylic acid group and at least one substituent selected from alcohol and thiol groups is reacted with {HEAD ~ carbonyl diimidazole} to convert {TAIL ~ 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 
to convert
In a related process according to the invention for the preparation of a substituted amide , a compound containing an aliphatic carboxylic acid group and at least one substituent selected from alcohol and thiol groups is reacted with { HEAD ~ carbonyl diimidazole } to convert { TAIL ~ 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
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