Functional monomers and polymers. XCVII.
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Inaki, Yoshiaki ;Sakuma, Yo ;Suda, Yasuo ;Takemoto, Kiichi
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Article
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1982
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John Wiley and Sons
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## Abstract A series of oligomer models of polyethyleneimine derivatives having pendant thymine bases were prepared by the reaction of carboxyethyl derivatives of thymine with oligomer amines using an activatedβester method. It was found that the hypochromicity values obtained from UV spectra and p