Scheme 1From: [11C]phenytoin revisited: synthesis by [11C]CO carbonylation and first evaluation as a P-gp tracer in rats The synthesis of azidodiphenylacetamide 3. (i) Triflyl azide, K2CO3, Cu(II)SO4·5H2O, CH2Cl2, CH3OH, 16 hr, room temperature (RT), 75% yield. (ii) SOCl2, CH3CN, 90 min, reflux. (iii) NH4, CH3CN, 16 hr, RT, 76% yield.Back to article page