Sequence Control of Macromers via Iterative Sequential and Exponential Growth

Faheem Amir; Zhongfan Jia; Michael J. Monteiro

doi:10.1021/jacs.6b10869

Sequence Control of Macromers via Iterative Sequential and Exponential Growth

Faheem Amir, Zhongfan Jia, Michael J. Monteiro

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

A general strategy through the use of direct azidation of alcohols allowed the sequence control of macromers via both the iterative sequential growth and iterative exponential growth methods. The chemistry was highly efficient in building polymers from a sequence of compositionally different macromers tethered together in close proximity. Using the DPPA/DBU method for near quantitative azidation of the benzyl alcohol moiety, sequence controlled polymers were made via a direct and one-step procedure for CuAAC activation. With four different macromers, spherical miktoarm star-like polymers of 50 000 molecular weight were prepared with a low dispersity, and the polymer coil size depended on the type of added macromer. Polymers made via the iterative methods opens the way for the design of advanced materials with predictable properties.

Original language	English
Pages (from-to)	16600-16603
Number of pages	4
Journal	Journal of The American Chemical Society
Volume	138
Issue number	51
DOIs	https://doi.org/10.1021/jacs.6b10869
Publication status	Published - 14 Dec 2016
Externally published	Yes

Keywords

Azides
Hydrocarbons
Alcohols
Hydrodynamics
Polymers

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AU - Amir, Faheem

AU - Jia, Zhongfan

AU - Monteiro, Michael J.

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AB - A general strategy through the use of direct azidation of alcohols allowed the sequence control of macromers via both the iterative sequential growth and iterative exponential growth methods. The chemistry was highly efficient in building polymers from a sequence of compositionally different macromers tethered together in close proximity. Using the DPPA/DBU method for near quantitative azidation of the benzyl alcohol moiety, sequence controlled polymers were made via a direct and one-step procedure for CuAAC activation. With four different macromers, spherical miktoarm star-like polymers of 50 000 molecular weight were prepared with a low dispersity, and the polymer coil size depended on the type of added macromer. Polymers made via the iterative methods opens the way for the design of advanced materials with predictable properties.

KW - Azides

KW - Hydrocarbons

KW - Alcohols

KW - Hydrodynamics

KW - Polymers

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Sequence Control of Macromers via Iterative Sequential and Exponential Growth

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Keywords

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