Reacción #80895

Ecuación de reacción

2,4,6-triamino-5-chloroquinazoline

3,4,5-trimethoxybenzaldehyde

hydrogen

→

2,4-diamino-6-[(3,4,5-trimethoxyphenylmethyl)imino]quinazoline

Disolventes

2-ethoxyethanol

Condiciones de reacción

Procedimiento

In a similar manner, 2,4,6-triamino-5-chloroquinazoline can be reacted with 3,4,5-trimethoxybenzaldehyde and hydrogen in the presence of Raney nickel in 2-ethoxyethanol, affording the corresponding 2,4-diamino-6-[(3,4,5-trimethoxyphenylmethyl)imino]quinazoline. Step C of Example 15 describes in detail the preparation of this compound. In a similar manner there may also be prepared 2,4-diamino-6-(substituted-aminomethyl)quinazolines.

Fuente