1: 54 percent / triphenylphosphine / various solvent(s) / 40 h / Heating 2: 80 percent / 2M H2SO4 / tetrahydrofuran / 2 h / 50 °C View Scheme
参考文献
Hughes, Ian; Nolan, William P.; Raphael, Ralph A.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 9 p. 2475 - 2480