1: With n-butyllithium in tetrahydrofuran T=-78°C; 0.666667 h; 2: With sulfur dioxide in tetrahydrofuran T=-78 - 20°C; 1 h; 3: With N-chloro-succinimide in dichloromethane T=0 - 20°C; 0.5 h;
参考文献
MEMORY PHARMACEUTICALS CORPORATION
Patent: US2008/200471 A1, 2008 ;
Location in patent: Page/Page column 55 ;
US 20080200471 A1
