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medium at 60 8C. In this way, PSars with predictable MWs
from 1.5 to 18.7 kg/mol were obtained. Kinetic study and
block copolypeptoid synthesis further confirm the controllabil-
ity of primary amine-initiated polymerization of NNTA. We
afford a positive model of NNTA controlled polymerization and
develop a versatile and practical synthetic method to prepare
high-MW polypeptoids. These findings pave the way for con-
trollable syntheses of polypeptoids from NNTAs. NTA-
approach deserves further intensive effort of investigations.
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Financial support from the National Basic Research Program of
China (2014CB931900), the National Natural Science Founda-
tion of China (21674091 & 21528402), and the Fundamental
Research Funds for the Central Universities (2016QNA4030) is
acknowledged.
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