Howard Isaac Tjiong - Holland MI, US Roy Thomas Winters - Pinckney MI, US
Assignee:
Warner-Lamber Company - Morris Plains NJ
International Classification:
C07D471/04 C07D239/47
US Classification:
544279, 544317
Abstract:
A process for preparing a 2-(pyridin-4-ylamino)-pyrido[2,3-d]pyrimidine of Formula II comprising reacting a 4-aminopyridine of the formula with an alkali metal amide or hydride and a 2-alkylsulfanyl-pyrido[2,3-d]pyrimidine of Formula I wherein R, R, R′ and R″, and aryl are as defined in the specification.
T Dorrell, Cynthia Hedrick, Dorothy Loyd, Dave Dale, Kenneth Idol, Rick Matthias, Leanda Windmeyer, Jean Ball, Barry Boos, Larry Hamman, Charles Waggoner