参考文献

Egger, Julian; Bretscher, Peter; Freigang, Stefan; Kopf, Manfred; Carreira, Erick M. Angewandte Chemie - International EditionAngew. Chem., 20132013, vol. 52125, # 2020 p. 5382 - 53855490 - 5494,5 doi: 10.1002/anie.201300739