Revisiting the gauche oxygen effect in -[OCH2-CHRO]- (R = H/CH3): experimental reassessment and the origin of conformational stability
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The conformational preference around the C-C bond in alkylene diether systems expressed as OCH2-CHRO (R = H or CH3) is central to the interpretation of poly(alkylene oxide) chain statistics and NMR conformational analyses. However, NMR studies of poly(ethylene... ...