Triethylamine → 2-Chloro-6-methyl-4-(3,4-methylenedioxybenzylamino)thieno-[2,3-d]pyrimidine

Participants

Reaction Steps

3.02 g of 3,4-methylenedioxybenzylamine ("A") are added to a solution of 3.29 g of 2,4-dichloro-6-methylthieno-[2,3-d]-pyrimidine in 80 ml of methylene chloride and, after addition of 1.52 g of triethylamine, the mixture is stirred at room temperature for 12 hours. The solvent is removed and the residue is worked up in the customary manner. 3.38 g of 2-chloro-6-methyl-4-(3,4-methylenedioxybenzylamino)-thieno-[2,3-d]-pyrimidine are obtained, m.p. 162°.

Provenance & Evidence