Reaction #3377

Reaction equation

2-dimethylamino-4-mercapto-pyrimidine-5-carboxylic acid (2-pyridin-2-yl-ethyl)-amide

iodine

→

title compound

Yield 56.3%

6-Dimethylamino-2-(2-pyridin-2-yl-ethyl)-isothiazolo [5,4-d]pyrimidin-3-one

Yield 56.3%

Conditions

Procedure

Using the procedure of Example 20, 7.5 g (24.8 mmol) of 2-dimethylamino-4-mercapto-pyrimidine-5-carboxylic acid (2-pyridin-2-yl-ethyl)-amide were treated with 6.4 g (25.2 mmol) of iodine to give 4.21 g of the title compound after recrystallization from isopropanol, mp 134°-136° C.

Source