13659
Deprotection of Boc groups in the homopolymers and block copolymers under acidic conditions produced cationic , pH - responsive polymers with primary amine moieties at the side chains .
 Chemical: Boc; Chemical: primary amine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Boc; Chemical: primary amine