HRID1605402

反应详情

EQUATION

反应方程式

HRID 1605402 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

To a solution of 1.04 g of benzhydryl 3-fluoromethyl-7-(2-thienylacetamido)-2-cephem-4-carboxylate in 10 ml of CHCl3 at 0° is added dropwise a solution of 0.35 g of m-chloroperbenzoic acid in 5 ml of CHCl3. The solution is stirred at 0° for 2.5 hours, then diluted with CHCl3 and washed with NaHCO 3, the dried (MgSO4) and evaporated in vacuo. The residue is recrystallized from methanol to yield benzhydryl 3-fluoromethyl-7-(2-thienylacetamido)-3-cephem-4-carboxylate-1-oxide.

WORKUP

后处理

  1. washwashed with NaHCO 3
  2. dry with materialthe dried (MgSO4)
  3. customevaporated in vacuo
  4. customThe residue is recrystallized from methanol