Reacción #1812058

Ecuación de reacción

2-amino-4-chloronicotinaldehyde

2-acetyl-3-methylpyridine

t-BuOK

→

title product

5-Chloro-2-(3-methylpyridin-2-yl)-1,8-naphthyridine

Disolventes

THF

Condiciones de reacción

Tratamiento posterior

1. 1
   ConcentraciónConcentrate the reaction mixture under vacuum
2. 2
   workup.ADDITIONdilute the residue with water (10 mL)
3. 3
   Filtraciónfilter the solid
4. 4
   Lavadowash the solid with water
5. 5
   Otrodry under high vacuum

Procedimiento

Dissolve 2-amino-4-chloronicotinaldehyde (156 mg, 1.0 mmol) and 2-acetyl-3-methylpyridine (136 mg, 1.0 mmol) in anhydrous THF (5.0 mL) and cool it to −20° C. under N2 atmosphere. Add in portion t-BuOK (224 mg, 2.0 mmol) to the reaction mixture and stir the mixture at 110° C. for 2 hours. Concentrate the reaction mixture under vacuum, dilute the residue with water (10 mL), filter the solid, wash the solid with water and dry under high vacuum to afford the title product as a yellow colored solid.

Fuente