Superacids and Their Derivatives. IV. Kinetic Studies on the Ring-Opening Polymerization of Tetrahydrofuran Initiated with Ethyl Trifluoromethanesulfonate by Means of19F and1H Nuclear Magnetic Resonance Spectroscopy. Evidence for the Oxonium-Ester Equilibrium of the Propagating Species
2010 ◽
pp. 1-7
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2013 ◽
Vol 40
(12)
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pp. 1933-1937
1981 ◽
Vol 640
(3)
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pp. 727-733
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1975 ◽
Vol 250
(13)
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pp. 4986-4991