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 carbonyl diimidazole to convert {HEAD ~ the carboxylic acid group} to a group of the formula: ##STR3## and {TAIL ~ 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 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 carbonyl diimidazole to convert { HEAD ~ the carboxylic acid group } to a group of the formula : # # STR3 # # and { TAIL ~ 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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