A SECRET WEAPON FOR 4 3-FPM

To obtain analogs of compound X, the beginning acid 2 was reacted using an extra of dimethyl sulphate as well as the acquired derivative 3 was subjected to some multidirectional synthesis (Scheme three). In the 1st scenario, bromine was released in the methyl group to give a compound 3d, by response with NBS in CCl4. From the response with the comp