1: 5,6-O-isopropylidene-L-gulonic acid γ-lactone With sodium periodate; sodium hydroxide in water pH=5.5; 1 h; Inert atmosphereCooling with ice; 2: ethyl (triphenylphosphoranylidene)acetate in dichloromethane; water T=20°C; 10 h; Inert atmosphere; optical yield given as percent ee;
参考文献
Enev, Valentin S.; Felzmann, Wolfgang; Gromov, Alexey; Marchart, Stefan; Mulzer, Johann
Chemistry - A European Journal, 2012 , vol. 18, # 31 p. 9651 - 9668
1: 5,6-O-isopropylidene-L-gulonic acid γ-lactone With sodium periodate; sodium hydroxide in water pH=5.5; 1 h; Inert atmosphereCooling with ice; 2: ethyl (triphenylphosphoranylidene)acetate in dichloromethane; water T=20°C; 10 h; Inert atmosphere; optical yield given as percent ee;
参考文献
Chemistry - A European Journal, , vol. 18, # 31 p. 9651 - 9668
sodium periodate; sodium borohydride; sodium chloride in water; acetone
参考文献
Barrett, Stephen Douglas; Kaufman, Michael David; Rewcastle, Gordon William; Spicer, Julie Ann
Patent: US2003/232889 A1, 2003 ;
Location in patent: Page/Page column 13 ;
1: 5,6-O-isopropylidene-L-gulonic acid γ-lactone With sodium periodate; sodium hydroxide in water pH=5.5; 1 h; Inert atmosphereCooling with ice; 2: ethyl (triphenylphosphoranylidene)acetate in dichloromethane; water T=20°C; 10 h; Inert atmosphere; optical yield given as percent ee;
参考文献
Chemistry - A European Journal, , vol. 18, # 31 p. 9651 - 9668
