Summary
The effects of stereochemical structure of MMA oligomers on the fragmentation during ionization process in electron-impact ionization and chemical ionization mass spectrometry were studied using the oligomers prepared by stereospecific living oligomerization. The MMA oligomers having t-C4H9-group at the left end and methine proton at the right end showed strong tacticity dependence in their fragmentation process. Fragmentation of MMA tetramer having one head-to-head linkage in the middle of the chain was also studied.
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Kitayama, T., Nishimura, T., Oshima, A. et al. Stereochemical effects on the fragmentation in mass spectrometry of stereoregular oligomers of methyl methacrylate. Polymer Bulletin 32, 215–222 (1994). https://doi.org/10.1007/BF00306391
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DOI: https://doi.org/10.1007/BF00306391