HRID459828

反应详情

EQUATION

反应方程式

HRID 459828 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

In 40 ml of dioxane, 892 mg (1.56 mmol) of methyl {8-fluoro-2-[4-(3-methylphenyl)-1-piperazinyl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-3,4-dihydro-4-quinazolinyl}acetate (Example 33A) and 187.6 mg (4.69 mmol) of sodium hydroxide are stirred at 50° C. for 2 hours. Following removal of the solvent, the residue is taken up in water and adjusted to pH 4–5 using 1N hydrochloric acid. The product is filtered off and then washed with water and dried under reduced pressure.

WORKUP

后处理

  1. customremoval of the solvent
  2. filtrationThe product is filtered off
  3. washwashed with water
  4. customdried under reduced pressure