3-Bromo-4-hydroxybenzaldehyde → 5-[(3-Bromo-4-hydroxyphenyl)methylene]-2-thioxo-4-imidazolidinone

Beteiligte Stoffe

Reaktionsschritte

Prepared according to the procedure described in Example 1 using 3-bromo-4-hydroxybenzaldehyde (3.1 g, 15 mmoles), 2-thiohydantoin (1.7 g, 15 mmoles), sodium acetate (4.5 g, 55 mmoles), and acetic acid (35 ml), to afford the pure product (3.4 g), mp 262° C. (dec).

Herkunft & Nachweise