Ammonia → 2-(Methylthio)pyrido[2,3-d]pyrimidin-7-amine

Participants

Reaction Conditions

Reaction Steps

A suspension of 2.95 g (13.9 mmol) of 7-chloro-2-methylsulfanyl-pyrido[2,3-d]pyrimidine (Example 6) in 200 mL of isopropanol saturated with ammonia is sealed and heated at 40° C. for 65 hours. The suspension is resaturated with ammonia and heated for another 18 hours at 40° C. The solid is collected by filtration and triturated with water to give 1.98 g (74.2%) of the product, mp>250° C.

Provenance & Evidence