bismuth trifluoromethanesulphonate in acetonitrile 2.25 h;
参考文献
Anzalone, Peter W.; Baru, Ashvin R.; Danielson, Eric M.; Hayes, Patrick D.; Nguyen, Mai P.; Panico, Ambrose F.; Smith, Russell C.; Mohan, Ram S.
Journal of Organic Chemistry, 2005 , vol. 70, # 6 p. 2091 - 2096
1: With titanium(IV) isopropylate; (1R,2S)-2-(N-2-hydroxyl-3-methylbenzyl)amino-1,2-diphenyl-1-ethanol in dichloromethane; toluene
T=-20°C; 16 h;
2: With hydrogenchloride in methanol; water
T=20°C; 4 h; Title compound not separated from byproducts;
参考文献
Lin, Zheng-Chang; Chen, Chinpiao
Journal of the Chinese Chemical Society, 2010 , vol. 57, # 4 A p. 726 - 737
titanium tetraethoxide; N-((2-hydroxy-1-naphthyl)methylene)-(S)-valyl-(S)-tryptophan methyl ester in toluene
T=-40°C; 4 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Matthews, Barry R.; Jackson, W. Roy; Jayatilake, Gamini S.; Wilshire, Colin; Jacobs, Howard A.
Australian Journal of Chemistry, 1988 , vol. 41, # 11 p. 1697 - 1710