反应条件
1: (3R,3aS,6aR)-hexahydrofuro [2,3-b]furan-3-yl 4-nitrophenyl carbonate; 4-amino-N-(2R,3S)-(3-amino-2-hydroxy-4-phenylbutyl)-N-isobutyl-benzene sulfonamide in 1-methyl-pyrrolidin-2-one T=-4 - 30°C; 10 h; 2: ethanol T=45 - 50°C; 1 h;
参考文献
Vellanki, Siva Rama Prasad; Sahu, Arabinda; Katukuri, Aravind Kumar; Vanama, Vikram; Kothari, Satishbabu; Ponnekanti, Venkata Suryanarayana; Datta, Debashish
Patent: US2012/251826 A1, 2012 ;
Location in patent: Page/Page column 10 ;