N-苄氧羰基-D-天冬氨酸合成路线 (共 11 条)
反应条件
1.1: acetic anhydride / 18 - 25 °C
2.1: sodium tetrahydroborate / tetrahydrofuran / 6 h / 0 - 25 °C
2.2: 0 °C / pH 4
3.1: toluene-4-sulfonic acid / toluene / 3 h / Dean-Stark conditions; Reflux
4.1: tetrahydrofuran / 18 - 25 °C
5.1: tributylphosphine / toluene / 80 °C / Inert atmosphere
View Scheme
参考文献
ASTRAZENECA AB
Patent: US2012/35134 A1, 2012 ;