{TAIL ~ Other methods} to activate the carboxylic acid include reacting said acid with one or more molar equivalents dicyclohexylcarbodiimide with or without one or more molar equivalents of hydroxybenzotriazole in a suitable solvent such as dichloromethane or dimethylformamide at {HEAD ~ temperatures} ranging from 0° C. to 60° C 
{ TAIL ~ Other methods } to activate the carboxylic acid include reacting said acid with one or more molar equivalents dicyclohexylcarbodiimide with or without one or more molar equivalents of hydroxybenzotriazole in a suitable solvent such as dichloromethane or dimethylformamide at { HEAD ~ temperatures } ranging from 0 ° C. to 60 ° C
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