Реакция #51724

Уравнение реакции

4-iodopyrazole

triphenylmethyl chloride

triethylamine

→

title compound

1-Trityl-4-iodopyrazole

Растворители

DMF

Условия реакции

Обработка

1. 1
   ДругоеThe title compound was prepared
2. 2
   workup.ADDITIONthe mixture was poured onto ice water
3. 3
   ДругоеThe precipitated solid was collected
4. 4
   Другоеrecrystallized

Методика

The title compound was prepared by combining 4-iodopyrazole (10 g, 52 mmol), triphenylmethyl chloride (14.4 g, 51.6 mmol), triethylamine (NEt3) (7.2 mL, 52 mmol), and DMF (80 mL). After stirring overnight, the mixture was poured onto ice water. The precipitated solid was collected and recrystallized to give the title compound as a solid, mp 193-194° C.

Источник