Regiospecific reduction of the 2-carbonyl group of the 6-hydroxypyrimido[2,1-f]purine-2,4,8(1H,3H,9H)-trione system by selected metal hydrides. A novel reduction of a fused xanthine nucleus
Regiospecific reduction of the 2-carbonyl group of the 6-hydroxypyrimido[2,1-f]purine-2,4,8(1H,3H,9H)-trione system by selected metal hydrides. A novel reduction of a fused xanthine nucleus