1: 73 percent / NaH / tetrahydrofuran / 72 h / 20 °C
2: 88 percent / aq. NaOH; NH2OH*HCl / methanol / 2 h / Heating
3: 82 percent / trifluoroacetic anhydride; Et3N / CH2Cl2 / 0.5 h / 0 °C
4: 71 percent / various solvent(s) / 10 h / 200 °C
View Scheme
参考文献
Stevens, Kirk L.; Jung, David K.; Alberti, Michael J.; Badiang, Jennifer G.; Peckham, Gregory E.; Veal, Jim M.; Cheung, Mui; Harris, Philip A.; Chamberlain, Stanley D.; Peel, Michael R.
Organic Letters, 2005 , vol. 7, # 21 p. 4753 - 4756