HRID708466
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
产物
AUXILIARIES
试剂、催化剂与溶剂
CONDITIONS
反应条件
- 温度
- 0 °C
PROCEDURE
实验过程
To a solution of (Z)-2-((1-((benzhydryloxy)carbonyl)cyclopropoxy)imino)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)acetic acid (2.5 g, 4.43 mmol) in DCM (78 mL) and DMF (15 ml) at 0° C. was added DIPEA (1.2 ml, 7.00 mmol), HATU (1.9 g, 5.13 mmol), and (3S,4R)-3-amino-4-((4-(hydroxymethyl)-2H-1,2,3-triazol-2-yl)methyl)azetidin-2-one (0.92 g, 4.67 mmol). After stirring at 0° C. for 1 h, the reaction mixture was diluted with DCM, washed with water, brine, dried over Na2SO4 and concentrated in vacuo. The crude residue was purified via silica gel chromatography (MeOH-DCM, 0-5%), affording the title compound (2.5 g, 75%). LCMS: R=0.98 min, m/z=717.3 (M+1) Method 2m_acidic.
WORKUP
后处理
- washwashed with water, brine
- dry with materialdried over Na2SO4
- concentrationconcentrated in vacuo
- customThe crude residue was purified via silica gel chromatography (MeOH-DCM, 0-5%)