1: 27 percent / pyridinium poly(hydrogen fluoride) / tetrahydrofuran / 1.5 h / -78 °C
2: 0.5 g / pyridine / 3 h / Ambient temperature
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参考文献
Mann, John; Pietrzak, Barbara
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 11 p. 2681 - 2685