反应条件
1: 76 percent / LDA / tetrahydrofuran / 1.) -78 deg C, 10 min, 2.) room temperature, 4 h
2: 98 percent / 4-(dimethylamino)pyridine, Et3N / CH2Cl2 / 72 h / Ambient temperature
3: 63 percent / LDA / tetrahydrofuran / 0.5 h / -78 °C
4: 68 percent / phenylmercuric perchlorate / tetrahydrofuran / 0.33 h / Ambient temperature
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参考文献
Williams, Robert M.; Dung, Jen-Sen; Josey, John; Armstrong, Robert W.; Meyers, Harold
Journal of the American Chemical Society, 1983 , vol. 105, # 10 p. 3214 - 3220