Reacción #927

ord-6da8fccbc46d48d9b47085df7224e0c2

Ecuación de reacción

Nc1ncccc1C=O
2-Aminonicotinaldehyde
CC(=O)c1nccs1
2-acetylthiazole
[K+].[OH-]
KOH
c1cnc2nc(-c3nccs3)ccc2c1
desired product
Rendimiento 46.5%
c1cnc2nc(-c3nccs3)ccc2c1
2-(2-Thiazolyl)-1,8-naphthyridine
Rendimiento 46.5%

Disolventes

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    workup.ADDITIONthe mixture is poured onto water
  2. 2
    FiltraciónThe solid which is deposited is filtered off with suction
  3. 3
    Lavadowashed
  4. 4
    Otrodried

Procedimiento

2-Aminonicotinaldehyde (1.5 g, 12.3 mmol) and 2-acetylthiazole (1.64 g, 12.9 mmol) are dissolved in 12 ml of MeOH and the mixture is treated with 1.5 ml of 40% KOH. After 3 h, the reaction is complete and the mixture is poured onto water. The solid which is deposited is filtered off with suction, washed and dried. 1.22 g (yield 46%) of the desired product are obtained. M.p. 160°-165° C.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US05723413uspto-grants-1998_03