Abstract
AbstractSummary: The possible oligomerization of 1,1‐diphenylethylene (DPE) in the end‐capping reaction of poly(styryl)lithium (PSLi) was studied in hydrocarbon solvents using excess DPE (≤16 mol‐eq); the effect of addition of THF (30 mol‐eq Lewis base) and extended times of reaction (8‐24 h) were also investigated. The characterization of the polymers was made by size exclusion chromatography (SEC), proton nuclear magnetic resonance spectroscopy (1H NMR) and matrix‐assisted laser desorption/ionization time of flight mass spectrometry (MALDI‐TOF MS). MALDI‐ TOF mass spectrometric results revealed the absence of DPE oligomerization under the reaction conditions used in this study.
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