Acetic Anhydride → 2-Methoxymethyl-4(3H)-pteridinone

Beteiligte Stoffe

Reaktionsschritte

Obtained using the procedure described in Example 1, starting with 11.7 g (0.085 mole) of 3-amino-2-pyrazinecarboxamide, 73.0 g (0.38 mole) of triethyl orthomethoxyacetate [prepared according to E. T. Stiller, U.S. Pat. No. 2,422,598; C.A. 1947, 41, 5904a] and 75 ml of acetic anhydride. Yld: 12.3 g (75%), m.p. 187°-189° C. (ethanol).

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