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To great (monodisperse) lengths: An improved synthesis of purer ethylene glycol (EG) oligomers allows access to 16- and 32-mers pure enough for multiple incorporation, and also to the longest (48-mer) discrete EG oligomer yet reported. The high purity enables the first crystallizations and hence the first glimpses of secondary 3(10)-helical PEG structures.

Original publication

DOI

10.1002/anie.200804623

Type

Journal article

Journal

Angew Chem Int Ed Engl

Publication Date

2009

Volume

48

Pages

1248 - 1252

Keywords

Crystallization, Ethylene Glycol, Mass Spectrometry, Molecular Structure, Polyethylene Glycols, X-Ray Diffraction