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Doxofylline Impurity 11 synthesis

2synthesis methods

58-55-9 Synthesis

Yield:109403-76-1 75%

Reaction Conditions:

with sodium hydride in N,N-dimethyl-formamide at 20 - 70; for 18 h;

References:

Itahara;Imamura [Bulletin of the Chemical Society of Japan,1994,vol. 67,# 1,p. 203 - 209]

58-55-9 Synthesis

74-95-3 Synthesis

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