反应条件
1.1: thionyl chloride / 0 - 20 °C 2.1: N,N,N',N',N'',N''-hexamethylphosphoric triamide; diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / 1 h / -78 - 0 °C / Inert atmosphere 2.2: -78 - 20 °C 3.1: N,N,N',N',N'',N''-hexamethylphosphoric triamide; diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / -78 - 20 °C / Inert atmosphere 4.1: potassium hydroxide; water / methanol / 24 h / Reflux 4.2: pH 3 View Scheme
参考文献
SIGNAL PHARMACEUTICALS, LLC; BENNETT, Brydon, L.; ELSNER, Jan; ERDMAN, Paul; HILGRAF, Robert; LEBRUN, Laurie, Ann; MCCARRICK, Meg; MOGHADDAM, Mehran, F.; NAGY, Mark, A.; NORRIS, Stephen; PAISNER, David, A.; SLOSS, Marianne; ROMANOW, William, J.; SATOH, Yoshitaka; TIKHE, Jayashree; YOON, Won, Hyung; DELGADO, Mercedes
Patent: WO2012/145569 A1, 2012 ;