Iterative SuFEx approach for sequence-regulated oligosulfates and its extension to periodic copolymers

Min Pyeong Kim, Swatilekha Kayal, Chiwon Hwang, Jonghoon Bae, Hyunseok Kim, Dong Gyu Hwang, Min Ho Jeon, Jeong Kon Seo, Dowon Ahn, Wonjoo Lee, Sangwon Seo, Joong-Hyun Chun (), Youngchang Yu () and Sung You Hong ()
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Min Pyeong Kim: Ulsan National Institute of Science and Technology (UNIST)
Swatilekha Kayal: Ulsan National Institute of Science and Technology (UNIST)
Chiwon Hwang: Korea Research Institute of Chemical Technology (KRICT)
Jonghoon Bae: UNIST
Hyunseok Kim: Pohang University of Science and Technology (POSTECH)
Dong Gyu Hwang: Ulsan National Institute of Science and Technology (UNIST)
Min Ho Jeon: Yonsei University College of Medicine
Jeong Kon Seo: UNIST
Dowon Ahn: Korea Research Institute of Chemical Technology (KRICT)
Wonjoo Lee: Korea Research Institute of Chemical Technology (KRICT)
Sangwon Seo: Daegu Gyeongbuk Institute of Science and Technology (DGIST)
Joong-Hyun Chun: Yonsei University College of Medicine
Youngchang Yu: Korea Research Institute of Chemical Technology (KRICT)
Sung You Hong: Ulsan National Institute of Science and Technology (UNIST)

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract The synthesis of sequence-regulated oligosulfates has not yet been established due to the difficulties in precise reactivity control. In this work, we report an example of a multi-directional divergent iterative method to furnish oligosulfates based on a chain homologation approach, in which the fluorosulfate unit is regenerated. The oligosulfate sequences are determined by high resolution mass spectrometry of the hydrolyzed fragments, and polysulfate periodic copolymers are synthesized by using oligomeric bisfluorosulfates in a bi-directional fashion. The synthetic utility of this iterative ligation is demonstrated by preparing crosslinked network polymers as synthetic adhesive materials.

Date: 2024
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DOI: 10.1038/s41467-024-47567-z

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