Reaktion #77431

Reaktionsgleichung

4-(4-hydroxy-phenoxy)-N-methyl-benzamide

5-bromo-5-(2-ethoxy-ethyl)-pyrimidine-2,4,6-trione

dec-5-ene

PTBD

→

4-{4-[5-(2-ethoxy-ethyl)-2,4,6-trioxo-hexahydro-pyrimidin-5-yloxy]-phenoxy}-N-methyl-benzamide

Ausbeute 15.6%

Lösungsmittel

acetonitrile

Reaktionsbedingungen

Vorschrift

Following the procedure outlined for the preparation of Example 1 4-(4-hydroxy-phenoxy)-N-methyl-benzamide (0.14 g, 0.58 mmol) was reacted with 5-bromo-5-(2-ethoxy-ethyl)-pyrimidine-2,4,6-trione (0.16 g, 0.58 mmol), 1,5,7-trazabicyclo[4.4.0]dec-5-ene bound to polystyrene crosslinked with 2% DVB (PTBD, Fluka, 0.40 g) and 2.0 mL of acetonitrile, affording 4-{4-[5-(2-ethoxy-ethyl)-2,4,6-trioxo-hexahydro-pyrimidin-5-yloxy]-phenoxy}-N-methyl-benzamide (0.040 g) as a colorless solid.

Quelle