HRID370602
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
PROCEDURE
实验过程
By treating 3-(2-aminothiazol-5-yl)-2-benzhydryloxycarbonyl-7-t-butoxycarbonylamino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene (4.5 g) with benzoyl chloride (1.11 cc) in dry tetrahydrofuran (55 cc), in the presence of triethylamine (1.23 cc), following the procedure of Reference Example 8, 3-(2-benzamidothiazol-5-yl)-2-benzhydryloxycarbonyl-7-t-butoxycarbonylamino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene (1.8 g) is obtained in the form of cream-coloured crystals.