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Efficient Synthesis and Characterization of Monoprotected Symmetrical Poly(Ethylene Glycol) Diamine
- Issue Date
- Dec-2017
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Monofunctionalization; Solid-phase synthesis; 2-Chlorotrityl chloride resin; Poly(ethylene glycol); Fmoc group
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.39, no.1, pp 29 - 32
- Pages
- 4
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 39
- Number
- 1
- Start Page
- 29
- End Page
- 32
- ISSN
- 0253-2964
1229-5949
- Abstract
- Solid-phase synthesis of monoprotected poly(ethylene glycol) (PEG) diamine is demonstrated. 2-Chlorotrityl chloride (2-CTC) resin was used as a solid support for inducing monofunctionalization using excess PEG diamine. Fmoc-monoprotected PEG was prepared from 2-CTC resin and fully characterized by high-performance liquid chromatography and electrospray ionization mass spectrometry. We envision that this strategy will provide an efficient method of preparing various kinds of heterobifunctional PEG molecules without a need for further purification steps.
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