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2-(methylthio)pyrido[3,4-d]pyrimidin-8(7H)-one synthesis

2synthesis methods
50593-91-4 Synthesis
METHYL 5-BROMO-2-(METHYLSULFANYL)-4-PYRIMIDINECARBOXYLATE, 97

50593-91-4
98 suppliers
$35.20/250mg

2-(methylthio)pyrido[3,4-d]pyrimidin-8(7H)-one

1578245-94-9
11 suppliers
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Yield:-

Steps:

Multi-step reaction with 2 steps
1.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate / water; tetrahydrofuran / 18 h / 65 °C
2.1: ammonia / methanol / 18 h / 85 °C
2.2: 2 h / 90 °C

References:

WO2014/37750,2014,A1